list;
}
private class SetRemoteViewsAdapterIntent extends Action {
public SetRemoteViewsAdapterIntent(int id, Intent intent) {
this.viewId = id;
this.intent = intent;
}
public SetRemoteViewsAdapterIntent(Parcel parcel) {
viewId = parcel.readInt();
intent = parcel.readTypedObject(Intent.CREATOR);
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeTypedObject(intent, flags);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) return;
// Ensure that we are applying to an AppWidget root
if (!(rootParent instanceof AppWidgetHostView)) {
Log.e(LOG_TAG, "SetRemoteViewsAdapterIntent action can only be used for " +
"AppWidgets (root id: " + viewId + ")");
return;
}
// Ensure that we are calling setRemoteAdapter on an AdapterView that supports it
if (!(target instanceof AbsListView) && !(target instanceof AdapterViewAnimator)) {
Log.e(LOG_TAG, "Cannot setRemoteViewsAdapter on a view which is not " +
"an AbsListView or AdapterViewAnimator (id: " + viewId + ")");
return;
}
// Embed the AppWidget Id for use in RemoteViewsAdapter when connecting to the intent
// RemoteViewsService
AppWidgetHostView host = (AppWidgetHostView) rootParent;
intent.putExtra(EXTRA_REMOTEADAPTER_APPWIDGET_ID, host.getAppWidgetId());
if (target instanceof AbsListView) {
AbsListView v = (AbsListView) target;
v.setRemoteViewsAdapter(intent, isAsync);
v.setRemoteViewsOnClickHandler(handler);
} else if (target instanceof AdapterViewAnimator) {
AdapterViewAnimator v = (AdapterViewAnimator) target;
v.setRemoteViewsAdapter(intent, isAsync);
v.setRemoteViewsOnClickHandler(handler);
}
}
@Override
public Action initActionAsync(ViewTree root, ViewGroup rootParent,
OnClickHandler handler) {
SetRemoteViewsAdapterIntent copy = new SetRemoteViewsAdapterIntent(viewId, intent);
copy.isAsync = true;
return copy;
}
@Override
public int getActionTag() {
return SET_REMOTE_VIEW_ADAPTER_INTENT_TAG;
}
Intent intent;
boolean isAsync = false;
}
/**
* Equivalent to calling
* {@link android.view.View#setOnClickListener(android.view.View.OnClickListener)}
* to launch the provided {@link PendingIntent}.
*/
private class SetOnClickPendingIntent extends Action {
public SetOnClickPendingIntent(int id, PendingIntent pendingIntent) {
this.viewId = id;
this.pendingIntent = pendingIntent;
}
public SetOnClickPendingIntent(Parcel parcel) {
viewId = parcel.readInt();
pendingIntent = PendingIntent.readPendingIntentOrNullFromParcel(parcel);
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
PendingIntent.writePendingIntentOrNullToParcel(pendingIntent, dest);
}
@Override
public void apply(View root, ViewGroup rootParent, final OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) return;
// If the view is an AdapterView, setting a PendingIntent on click doesn't make much
// sense, do they mean to set a PendingIntent template for the AdapterView's children?
if (mIsWidgetCollectionChild) {
Log.w(LOG_TAG, "Cannot setOnClickPendingIntent for collection item " +
"(id: " + viewId + ")");
ApplicationInfo appInfo = root.getContext().getApplicationInfo();
// We let this slide for HC and ICS so as to not break compatibility. It should have
// been disabled from the outset, but was left open by accident.
if (appInfo != null &&
appInfo.targetSdkVersion >= Build.VERSION_CODES.JELLY_BEAN) {
return;
}
}
// If the pendingIntent is null, we clear the onClickListener
OnClickListener listener = null;
if (pendingIntent != null) {
listener = new OnClickListener() {
public void onClick(View v) {
// Find target view location in screen coordinates and
// fill into PendingIntent before sending.
final Rect rect = getSourceBounds(v);
final Intent intent = new Intent();
intent.setSourceBounds(rect);
handler.onClickHandler(v, pendingIntent, intent);
}
};
}
target.setOnClickListener(listener);
}
@Override
public int getActionTag() {
return SET_ON_CLICK_PENDING_INTENT_TAG;
}
PendingIntent pendingIntent;
}
private static Rect getSourceBounds(View v) {
final float appScale = v.getContext().getResources()
.getCompatibilityInfo().applicationScale;
final int[] pos = new int[2];
v.getLocationOnScreen(pos);
final Rect rect = new Rect();
rect.left = (int) (pos[0] * appScale + 0.5f);
rect.top = (int) (pos[1] * appScale + 0.5f);
rect.right = (int) ((pos[0] + v.getWidth()) * appScale + 0.5f);
rect.bottom = (int) ((pos[1] + v.getHeight()) * appScale + 0.5f);
return rect;
}
private MethodHandle getMethod(View view, String methodName, Class paramType,
boolean async) {
MethodArgs result;
Class klass = view.getClass();
synchronized (sMethods) {
// The key is defined by the view class, param class and method name.
sLookupKey.set(klass, paramType, methodName);
result = sMethods.get(sLookupKey);
if (result == null) {
Method method;
try {
if (paramType == null) {
method = klass.getMethod(methodName);
} else {
method = klass.getMethod(methodName, paramType);
}
if (!method.isAnnotationPresent(RemotableViewMethod.class)) {
throw new ActionException("view: " + klass.getName()
+ " can't use method with RemoteViews: "
+ methodName + getParameters(paramType));
}
result = new MethodArgs();
result.syncMethod = MethodHandles.publicLookup().unreflect(method);
result.asyncMethodName =
method.getAnnotation(RemotableViewMethod.class).asyncImpl();
} catch (NoSuchMethodException | IllegalAccessException ex) {
throw new ActionException("view: " + klass.getName() + " doesn't have method: "
+ methodName + getParameters(paramType));
}
MethodKey key = new MethodKey();
key.set(klass, paramType, methodName);
sMethods.put(key, result);
}
if (!async) {
return result.syncMethod;
}
// Check this so see if async method is implemented or not.
if (result.asyncMethodName.isEmpty()) {
return null;
}
// Async method is lazily loaded. If it is not yet loaded, load now.
if (result.asyncMethod == null) {
MethodType asyncType = result.syncMethod.type()
.dropParameterTypes(0, 1).changeReturnType(Runnable.class);
try {
result.asyncMethod = MethodHandles.publicLookup().findVirtual(
klass, result.asyncMethodName, asyncType);
} catch (NoSuchMethodException | IllegalAccessException ex) {
throw new ActionException("Async implementation declared as "
+ result.asyncMethodName + " but not defined for " + methodName
+ ": public Runnable " + result.asyncMethodName + " ("
+ TextUtils.join(",", asyncType.parameterArray()) + ")");
}
}
return result.asyncMethod;
}
}
private static String getParameters(Class paramType) {
if (paramType == null) return "()";
return "(" + paramType + ")";
}
/**
* Equivalent to calling
* {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)},
* on the {@link Drawable} of a given view.
*
* The operation will be performed on the {@link Drawable} returned by the
* target {@link View#getBackground()} by default. If targetBackground is false,
* we assume the target is an {@link ImageView} and try applying the operations
* to {@link ImageView#getDrawable()}.
*
*/
private class SetDrawableTint extends Action {
SetDrawableTint(int id, boolean targetBackground,
int colorFilter, @NonNull PorterDuff.Mode mode) {
this.viewId = id;
this.targetBackground = targetBackground;
this.colorFilter = colorFilter;
this.filterMode = mode;
}
SetDrawableTint(Parcel parcel) {
viewId = parcel.readInt();
targetBackground = parcel.readInt() != 0;
colorFilter = parcel.readInt();
filterMode = PorterDuff.intToMode(parcel.readInt());
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(targetBackground ? 1 : 0);
dest.writeInt(colorFilter);
dest.writeInt(PorterDuff.modeToInt(filterMode));
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) return;
// Pick the correct drawable to modify for this view
Drawable targetDrawable = null;
if (targetBackground) {
targetDrawable = target.getBackground();
} else if (target instanceof ImageView) {
ImageView imageView = (ImageView) target;
targetDrawable = imageView.getDrawable();
}
if (targetDrawable != null) {
targetDrawable.mutate().setColorFilter(colorFilter, filterMode);
}
}
@Override
public int getActionTag() {
return SET_DRAWABLE_TINT_TAG;
}
boolean targetBackground;
int colorFilter;
PorterDuff.Mode filterMode;
}
private final class ViewContentNavigation extends Action {
final boolean mNext;
ViewContentNavigation(int viewId, boolean next) {
this.viewId = viewId;
this.mNext = next;
}
ViewContentNavigation(Parcel in) {
this.viewId = in.readInt();
this.mNext = in.readBoolean();
}
public void writeToParcel(Parcel out, int flags) {
out.writeInt(this.viewId);
out.writeBoolean(this.mNext);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View view = root.findViewById(viewId);
if (view == null) return;
try {
getMethod(view,
mNext ? "showNext" : "showPrevious", null, false /* async */).invoke(view);
} catch (Throwable ex) {
throw new ActionException(ex);
}
}
public int mergeBehavior() {
return MERGE_IGNORE;
}
@Override
public int getActionTag() {
return VIEW_CONTENT_NAVIGATION_TAG;
}
}
private static class BitmapCache {
ArrayList mBitmaps;
int mBitmapMemory = -1;
public BitmapCache() {
mBitmaps = new ArrayList<>();
}
public BitmapCache(Parcel source) {
mBitmaps = source.createTypedArrayList(Bitmap.CREATOR);
}
public int getBitmapId(Bitmap b) {
if (b == null) {
return -1;
} else {
if (mBitmaps.contains(b)) {
return mBitmaps.indexOf(b);
} else {
mBitmaps.add(b);
mBitmapMemory = -1;
return (mBitmaps.size() - 1);
}
}
}
public Bitmap getBitmapForId(int id) {
if (id == -1 || id >= mBitmaps.size()) {
return null;
} else {
return mBitmaps.get(id);
}
}
public void writeBitmapsToParcel(Parcel dest, int flags) {
dest.writeTypedList(mBitmaps, flags);
}
public int getBitmapMemory() {
if (mBitmapMemory < 0) {
mBitmapMemory = 0;
int count = mBitmaps.size();
for (int i = 0; i < count; i++) {
mBitmapMemory += mBitmaps.get(i).getAllocationByteCount();
}
}
return mBitmapMemory;
}
}
private class BitmapReflectionAction extends Action {
int bitmapId;
Bitmap bitmap;
String methodName;
BitmapReflectionAction(int viewId, String methodName, Bitmap bitmap) {
this.bitmap = bitmap;
this.viewId = viewId;
this.methodName = methodName;
bitmapId = mBitmapCache.getBitmapId(bitmap);
}
BitmapReflectionAction(Parcel in) {
viewId = in.readInt();
methodName = in.readString();
bitmapId = in.readInt();
bitmap = mBitmapCache.getBitmapForId(bitmapId);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeString(methodName);
dest.writeInt(bitmapId);
}
@Override
public void apply(View root, ViewGroup rootParent,
OnClickHandler handler) throws ActionException {
ReflectionAction ra = new ReflectionAction(viewId, methodName, ReflectionAction.BITMAP,
bitmap);
ra.apply(root, rootParent, handler);
}
@Override
public void setBitmapCache(BitmapCache bitmapCache) {
bitmapId = bitmapCache.getBitmapId(bitmap);
}
@Override
public int getActionTag() {
return BITMAP_REFLECTION_ACTION_TAG;
}
}
/**
* Base class for the reflection actions.
*/
private final class ReflectionAction extends Action {
static final int BOOLEAN = 1;
static final int BYTE = 2;
static final int SHORT = 3;
static final int INT = 4;
static final int LONG = 5;
static final int FLOAT = 6;
static final int DOUBLE = 7;
static final int CHAR = 8;
static final int STRING = 9;
static final int CHAR_SEQUENCE = 10;
static final int URI = 11;
// BITMAP actions are never stored in the list of actions. They are only used locally
// to implement BitmapReflectionAction, which eliminates duplicates using BitmapCache.
static final int BITMAP = 12;
static final int BUNDLE = 13;
static final int INTENT = 14;
static final int COLOR_STATE_LIST = 15;
static final int ICON = 16;
String methodName;
int type;
Object value;
ReflectionAction(int viewId, String methodName, int type, Object value) {
this.viewId = viewId;
this.methodName = methodName;
this.type = type;
this.value = value;
}
ReflectionAction(Parcel in) {
this.viewId = in.readInt();
this.methodName = in.readString();
this.type = in.readInt();
//noinspection ConstantIfStatement
if (false) {
Log.d(LOG_TAG, "read viewId=0x" + Integer.toHexString(this.viewId)
+ " methodName=" + this.methodName + " type=" + this.type);
}
// For some values that may have been null, we first check a flag to see if they were
// written to the parcel.
switch (this.type) {
case BOOLEAN:
this.value = in.readBoolean();
break;
case BYTE:
this.value = in.readByte();
break;
case SHORT:
this.value = (short)in.readInt();
break;
case INT:
this.value = in.readInt();
break;
case LONG:
this.value = in.readLong();
break;
case FLOAT:
this.value = in.readFloat();
break;
case DOUBLE:
this.value = in.readDouble();
break;
case CHAR:
this.value = (char)in.readInt();
break;
case STRING:
this.value = in.readString();
break;
case CHAR_SEQUENCE:
this.value = TextUtils.CHAR_SEQUENCE_CREATOR.createFromParcel(in);
break;
case URI:
this.value = in.readTypedObject(Uri.CREATOR);
break;
case BITMAP:
this.value = in.readTypedObject(Bitmap.CREATOR);
break;
case BUNDLE:
this.value = in.readBundle();
break;
case INTENT:
this.value = in.readTypedObject(Intent.CREATOR);
break;
case COLOR_STATE_LIST:
this.value = in.readTypedObject(ColorStateList.CREATOR);
break;
case ICON:
this.value = in.readTypedObject(Icon.CREATOR);
default:
break;
}
}
public void writeToParcel(Parcel out, int flags) {
out.writeInt(this.viewId);
out.writeString(this.methodName);
out.writeInt(this.type);
//noinspection ConstantIfStatement
if (false) {
Log.d(LOG_TAG, "write viewId=0x" + Integer.toHexString(this.viewId)
+ " methodName=" + this.methodName + " type=" + this.type);
}
// For some values which are null, we record an integer flag to indicate whether
// we have written a valid value to the parcel.
switch (this.type) {
case BOOLEAN:
out.writeBoolean((Boolean) this.value);
break;
case BYTE:
out.writeByte((Byte) this.value);
break;
case SHORT:
out.writeInt((Short) this.value);
break;
case INT:
out.writeInt((Integer) this.value);
break;
case LONG:
out.writeLong((Long) this.value);
break;
case FLOAT:
out.writeFloat((Float) this.value);
break;
case DOUBLE:
out.writeDouble((Double) this.value);
break;
case CHAR:
out.writeInt((int)((Character)this.value).charValue());
break;
case STRING:
out.writeString((String)this.value);
break;
case CHAR_SEQUENCE:
TextUtils.writeToParcel((CharSequence)this.value, out, flags);
break;
case BUNDLE:
out.writeBundle((Bundle) this.value);
break;
case URI:
case BITMAP:
case INTENT:
case COLOR_STATE_LIST:
case ICON:
out.writeTypedObject((Parcelable) this.value, flags);
break;
default:
break;
}
}
private Class getParameterType() {
switch (this.type) {
case BOOLEAN:
return boolean.class;
case BYTE:
return byte.class;
case SHORT:
return short.class;
case INT:
return int.class;
case LONG:
return long.class;
case FLOAT:
return float.class;
case DOUBLE:
return double.class;
case CHAR:
return char.class;
case STRING:
return String.class;
case CHAR_SEQUENCE:
return CharSequence.class;
case URI:
return Uri.class;
case BITMAP:
return Bitmap.class;
case BUNDLE:
return Bundle.class;
case INTENT:
return Intent.class;
case COLOR_STATE_LIST:
return ColorStateList.class;
case ICON:
return Icon.class;
default:
return null;
}
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View view = root.findViewById(viewId);
if (view == null) return;
Class param = getParameterType();
if (param == null) {
throw new ActionException("bad type: " + this.type);
}
try {
getMethod(view, this.methodName, param, false /* async */).invoke(view, this.value);
} catch (Throwable ex) {
throw new ActionException(ex);
}
}
@Override
public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) {
final View view = root.findViewById(viewId);
if (view == null) return ACTION_NOOP;
Class param = getParameterType();
if (param == null) {
throw new ActionException("bad type: " + this.type);
}
try {
MethodHandle method = getMethod(view, this.methodName, param, true /* async */);
if (method != null) {
Runnable endAction = (Runnable) method.invoke(view, this.value);
if (endAction == null) {
return ACTION_NOOP;
} else {
// Special case view stub
if (endAction instanceof ViewStub.ViewReplaceRunnable) {
root.createTree();
// Replace child tree
root.findViewTreeById(viewId).replaceView(
((ViewStub.ViewReplaceRunnable) endAction).view);
}
return new RunnableAction(endAction);
}
}
} catch (Throwable ex) {
throw new ActionException(ex);
}
return this;
}
public int mergeBehavior() {
// smoothScrollBy is cumulative, everything else overwites.
if (methodName.equals("smoothScrollBy")) {
return MERGE_APPEND;
} else {
return MERGE_REPLACE;
}
}
@Override
public int getActionTag() {
return REFLECTION_ACTION_TAG;
}
@Override
public String getUniqueKey() {
// Each type of reflection action corresponds to a setter, so each should be seen as
// unique from the standpoint of merging.
return super.getUniqueKey() + this.methodName + this.type;
}
@Override
public boolean prefersAsyncApply() {
return this.type == URI || this.type == ICON;
}
}
/**
* This is only used for async execution of actions and it not parcelable.
*/
private static final class RunnableAction extends RuntimeAction {
private final Runnable mRunnable;
RunnableAction(Runnable r) {
mRunnable = r;
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
mRunnable.run();
}
}
private void configureRemoteViewsAsChild(RemoteViews rv) {
rv.setBitmapCache(mBitmapCache);
rv.setNotRoot();
}
void setNotRoot() {
mIsRoot = false;
}
/**
* ViewGroup methods that are related to adding Views.
*/
private class ViewGroupActionAdd extends Action {
private RemoteViews mNestedViews;
private int mIndex;
ViewGroupActionAdd(int viewId, RemoteViews nestedViews) {
this(viewId, nestedViews, -1 /* index */);
}
ViewGroupActionAdd(int viewId, RemoteViews nestedViews, int index) {
this.viewId = viewId;
mNestedViews = nestedViews;
mIndex = index;
if (nestedViews != null) {
configureRemoteViewsAsChild(nestedViews);
}
}
ViewGroupActionAdd(Parcel parcel, BitmapCache bitmapCache, ApplicationInfo info,
int depth, Map classCookies) {
viewId = parcel.readInt();
mIndex = parcel.readInt();
mNestedViews = new RemoteViews(parcel, bitmapCache, info, depth, classCookies);
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(mIndex);
mNestedViews.writeToParcel(dest, flags);
}
@Override
public boolean hasSameAppInfo(ApplicationInfo parentInfo) {
return mNestedViews.hasSameAppInfo(parentInfo);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final Context context = root.getContext();
final ViewGroup target = root.findViewById(viewId);
if (target == null) {
return;
}
// Inflate nested views and add as children
target.addView(mNestedViews.apply(context, target, handler), mIndex);
}
@Override
public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) {
// In the async implementation, update the view tree so that subsequent calls to
// findViewById return the current view.
root.createTree();
ViewTree target = root.findViewTreeById(viewId);
if ((target == null) || !(target.mRoot instanceof ViewGroup)) {
return ACTION_NOOP;
}
final ViewGroup targetVg = (ViewGroup) target.mRoot;
// Inflate nested views and perform all the async tasks for the child remoteView.
final Context context = root.mRoot.getContext();
final AsyncApplyTask task = mNestedViews.getAsyncApplyTask(
context, targetVg, null, handler);
final ViewTree tree = task.doInBackground();
if (tree == null) {
throw new ActionException(task.mError);
}
// Update the global view tree, so that next call to findViewTreeById
// goes through the subtree as well.
target.addChild(tree, mIndex);
return new RuntimeAction() {
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler)
throws ActionException {
task.onPostExecute(tree);
targetVg.addView(task.mResult, mIndex);
}
};
}
@Override
public void setBitmapCache(BitmapCache bitmapCache) {
mNestedViews.setBitmapCache(bitmapCache);
}
@Override
public int mergeBehavior() {
return MERGE_APPEND;
}
@Override
public boolean prefersAsyncApply() {
return mNestedViews.prefersAsyncApply();
}
@Override
public int getActionTag() {
return VIEW_GROUP_ACTION_ADD_TAG;
}
}
/**
* ViewGroup methods related to removing child views.
*/
private class ViewGroupActionRemove extends Action {
/**
* Id that indicates that all child views of the affected ViewGroup should be removed.
*
* Using -2 because the default id is -1. This avoids accidentally matching that.
*/
private static final int REMOVE_ALL_VIEWS_ID = -2;
private int mViewIdToKeep;
ViewGroupActionRemove(int viewId) {
this(viewId, REMOVE_ALL_VIEWS_ID);
}
ViewGroupActionRemove(int viewId, int viewIdToKeep) {
this.viewId = viewId;
mViewIdToKeep = viewIdToKeep;
}
ViewGroupActionRemove(Parcel parcel) {
viewId = parcel.readInt();
mViewIdToKeep = parcel.readInt();
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(mViewIdToKeep);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final ViewGroup target = root.findViewById(viewId);
if (target == null) {
return;
}
if (mViewIdToKeep == REMOVE_ALL_VIEWS_ID) {
target.removeAllViews();
return;
}
removeAllViewsExceptIdToKeep(target);
}
@Override
public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) {
// In the async implementation, update the view tree so that subsequent calls to
// findViewById return the current view.
root.createTree();
ViewTree target = root.findViewTreeById(viewId);
if ((target == null) || !(target.mRoot instanceof ViewGroup)) {
return ACTION_NOOP;
}
final ViewGroup targetVg = (ViewGroup) target.mRoot;
// Clear all children when nested views omitted
target.mChildren = null;
return new RuntimeAction() {
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler)
throws ActionException {
if (mViewIdToKeep == REMOVE_ALL_VIEWS_ID) {
targetVg.removeAllViews();
return;
}
removeAllViewsExceptIdToKeep(targetVg);
}
};
}
/**
* Iterates through the children in the given ViewGroup and removes all the views that
* do not have an id of {@link #mViewIdToKeep}.
*/
private void removeAllViewsExceptIdToKeep(ViewGroup viewGroup) {
// Otherwise, remove all the views that do not match the id to keep.
int index = viewGroup.getChildCount() - 1;
while (index >= 0) {
if (viewGroup.getChildAt(index).getId() != mViewIdToKeep) {
viewGroup.removeViewAt(index);
}
index--;
}
}
@Override
public int getActionTag() {
return VIEW_GROUP_ACTION_REMOVE_TAG;
}
@Override
public int mergeBehavior() {
return MERGE_APPEND;
}
}
/**
* Helper action to set compound drawables on a TextView. Supports relative
* (s/t/e/b) or cardinal (l/t/r/b) arrangement.
*/
private class TextViewDrawableAction extends Action {
public TextViewDrawableAction(int viewId, boolean isRelative, int d1, int d2, int d3, int d4) {
this.viewId = viewId;
this.isRelative = isRelative;
this.useIcons = false;
this.d1 = d1;
this.d2 = d2;
this.d3 = d3;
this.d4 = d4;
}
public TextViewDrawableAction(int viewId, boolean isRelative,
Icon i1, Icon i2, Icon i3, Icon i4) {
this.viewId = viewId;
this.isRelative = isRelative;
this.useIcons = true;
this.i1 = i1;
this.i2 = i2;
this.i3 = i3;
this.i4 = i4;
}
public TextViewDrawableAction(Parcel parcel) {
viewId = parcel.readInt();
isRelative = (parcel.readInt() != 0);
useIcons = (parcel.readInt() != 0);
if (useIcons) {
i1 = parcel.readTypedObject(Icon.CREATOR);
i2 = parcel.readTypedObject(Icon.CREATOR);
i3 = parcel.readTypedObject(Icon.CREATOR);
i4 = parcel.readTypedObject(Icon.CREATOR);
} else {
d1 = parcel.readInt();
d2 = parcel.readInt();
d3 = parcel.readInt();
d4 = parcel.readInt();
}
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(isRelative ? 1 : 0);
dest.writeInt(useIcons ? 1 : 0);
if (useIcons) {
dest.writeTypedObject(i1, 0);
dest.writeTypedObject(i2, 0);
dest.writeTypedObject(i3, 0);
dest.writeTypedObject(i4, 0);
} else {
dest.writeInt(d1);
dest.writeInt(d2);
dest.writeInt(d3);
dest.writeInt(d4);
}
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final TextView target = root.findViewById(viewId);
if (target == null) return;
if (drawablesLoaded) {
if (isRelative) {
target.setCompoundDrawablesRelativeWithIntrinsicBounds(id1, id2, id3, id4);
} else {
target.setCompoundDrawablesWithIntrinsicBounds(id1, id2, id3, id4);
}
} else if (useIcons) {
final Context ctx = target.getContext();
final Drawable id1 = i1 == null ? null : i1.loadDrawable(ctx);
final Drawable id2 = i2 == null ? null : i2.loadDrawable(ctx);
final Drawable id3 = i3 == null ? null : i3.loadDrawable(ctx);
final Drawable id4 = i4 == null ? null : i4.loadDrawable(ctx);
if (isRelative) {
target.setCompoundDrawablesRelativeWithIntrinsicBounds(id1, id2, id3, id4);
} else {
target.setCompoundDrawablesWithIntrinsicBounds(id1, id2, id3, id4);
}
} else {
if (isRelative) {
target.setCompoundDrawablesRelativeWithIntrinsicBounds(d1, d2, d3, d4);
} else {
target.setCompoundDrawablesWithIntrinsicBounds(d1, d2, d3, d4);
}
}
}
@Override
public Action initActionAsync(ViewTree root, ViewGroup rootParent, OnClickHandler handler) {
final TextView target = root.findViewById(viewId);
if (target == null) return ACTION_NOOP;
TextViewDrawableAction copy = useIcons ?
new TextViewDrawableAction(viewId, isRelative, i1, i2, i3, i4) :
new TextViewDrawableAction(viewId, isRelative, d1, d2, d3, d4);
// Load the drawables on the background thread.
copy.drawablesLoaded = true;
final Context ctx = target.getContext();
if (useIcons) {
copy.id1 = i1 == null ? null : i1.loadDrawable(ctx);
copy.id2 = i2 == null ? null : i2.loadDrawable(ctx);
copy.id3 = i3 == null ? null : i3.loadDrawable(ctx);
copy.id4 = i4 == null ? null : i4.loadDrawable(ctx);
} else {
copy.id1 = d1 == 0 ? null : ctx.getDrawable(d1);
copy.id2 = d2 == 0 ? null : ctx.getDrawable(d2);
copy.id3 = d3 == 0 ? null : ctx.getDrawable(d3);
copy.id4 = d4 == 0 ? null : ctx.getDrawable(d4);
}
return copy;
}
@Override
public boolean prefersAsyncApply() {
return useIcons;
}
@Override
public int getActionTag() {
return TEXT_VIEW_DRAWABLE_ACTION_TAG;
}
boolean isRelative = false;
boolean useIcons = false;
int d1, d2, d3, d4;
Icon i1, i2, i3, i4;
boolean drawablesLoaded = false;
Drawable id1, id2, id3, id4;
}
/**
* Helper action to set text size on a TextView in any supported units.
*/
private class TextViewSizeAction extends Action {
public TextViewSizeAction(int viewId, int units, float size) {
this.viewId = viewId;
this.units = units;
this.size = size;
}
public TextViewSizeAction(Parcel parcel) {
viewId = parcel.readInt();
units = parcel.readInt();
size = parcel.readFloat();
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(units);
dest.writeFloat(size);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final TextView target = root.findViewById(viewId);
if (target == null) return;
target.setTextSize(units, size);
}
@Override
public int getActionTag() {
return TEXT_VIEW_SIZE_ACTION_TAG;
}
int units;
float size;
}
/**
* Helper action to set padding on a View.
*/
private class ViewPaddingAction extends Action {
public ViewPaddingAction(int viewId, int left, int top, int right, int bottom) {
this.viewId = viewId;
this.left = left;
this.top = top;
this.right = right;
this.bottom = bottom;
}
public ViewPaddingAction(Parcel parcel) {
viewId = parcel.readInt();
left = parcel.readInt();
top = parcel.readInt();
right = parcel.readInt();
bottom = parcel.readInt();
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(left);
dest.writeInt(top);
dest.writeInt(right);
dest.writeInt(bottom);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) return;
target.setPadding(left, top, right, bottom);
}
@Override
public int getActionTag() {
return VIEW_PADDING_ACTION_TAG;
}
int left, top, right, bottom;
}
/**
* Helper action to set layout params on a View.
*/
private static class LayoutParamAction extends Action {
/** Set marginEnd */
public static final int LAYOUT_MARGIN_END_DIMEN = 1;
/** Set width */
public static final int LAYOUT_WIDTH = 2;
public static final int LAYOUT_MARGIN_BOTTOM_DIMEN = 3;
final int mProperty;
final int mValue;
/**
* @param viewId ID of the view alter
* @param property which layout parameter to alter
* @param value new value of the layout parameter
*/
public LayoutParamAction(int viewId, int property, int value) {
this.viewId = viewId;
this.mProperty = property;
this.mValue = value;
}
public LayoutParamAction(Parcel parcel) {
viewId = parcel.readInt();
mProperty = parcel.readInt();
mValue = parcel.readInt();
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeInt(mProperty);
dest.writeInt(mValue);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) {
return;
}
ViewGroup.LayoutParams layoutParams = target.getLayoutParams();
if (layoutParams == null) {
return;
}
switch (mProperty) {
case LAYOUT_MARGIN_END_DIMEN:
if (layoutParams instanceof ViewGroup.MarginLayoutParams) {
int resolved = resolveDimenPixelOffset(target, mValue);
((ViewGroup.MarginLayoutParams) layoutParams).setMarginEnd(resolved);
target.setLayoutParams(layoutParams);
}
break;
case LAYOUT_MARGIN_BOTTOM_DIMEN:
if (layoutParams instanceof ViewGroup.MarginLayoutParams) {
int resolved = resolveDimenPixelOffset(target, mValue);
((ViewGroup.MarginLayoutParams) layoutParams).bottomMargin = resolved;
target.setLayoutParams(layoutParams);
}
break;
case LAYOUT_WIDTH:
layoutParams.width = mValue;
target.setLayoutParams(layoutParams);
break;
default:
throw new IllegalArgumentException("Unknown property " + mProperty);
}
}
private static int resolveDimenPixelOffset(View target, int value) {
if (value == 0) {
return 0;
}
return target.getContext().getResources().getDimensionPixelOffset(value);
}
@Override
public int getActionTag() {
return LAYOUT_PARAM_ACTION_TAG;
}
@Override
public String getUniqueKey() {
return super.getUniqueKey() + mProperty;
}
}
/**
* Helper action to add a view tag with RemoteInputs.
*/
private class SetRemoteInputsAction extends Action {
public SetRemoteInputsAction(int viewId, RemoteInput[] remoteInputs) {
this.viewId = viewId;
this.remoteInputs = remoteInputs;
}
public SetRemoteInputsAction(Parcel parcel) {
viewId = parcel.readInt();
remoteInputs = parcel.createTypedArray(RemoteInput.CREATOR);
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(viewId);
dest.writeTypedArray(remoteInputs, flags);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
final View target = root.findViewById(viewId);
if (target == null) return;
target.setTagInternal(R.id.remote_input_tag, remoteInputs);
}
@Override
public int getActionTag() {
return SET_REMOTE_INPUTS_ACTION_TAG;
}
final Parcelable[] remoteInputs;
}
/**
* Helper action to override all textViewColors
*/
private class OverrideTextColorsAction extends Action {
private final int textColor;
public OverrideTextColorsAction(int textColor) {
this.textColor = textColor;
}
public OverrideTextColorsAction(Parcel parcel) {
textColor = parcel.readInt();
}
public void writeToParcel(Parcel dest, int flags) {
dest.writeInt(textColor);
}
@Override
public void apply(View root, ViewGroup rootParent, OnClickHandler handler) {
// Let's traverse the viewtree and override all textColors!
Stack viewsToProcess = new Stack<>();
viewsToProcess.add(root);
while (!viewsToProcess.isEmpty()) {
View v = viewsToProcess.pop();
if (v instanceof TextView) {
TextView textView = (TextView) v;
textView.setText(NotificationColorUtil.clearColorSpans(textView.getText()));
textView.setTextColor(textColor);
}
if (v instanceof ViewGroup) {
ViewGroup viewGroup = (ViewGroup) v;
for (int i = 0; i < viewGroup.getChildCount(); i++) {
viewsToProcess.push(viewGroup.getChildAt(i));
}
}
}
}
@Override
public int getActionTag() {
return OVERRIDE_TEXT_COLORS_TAG;
}
}
/**
* Create a new RemoteViews object that will display the views contained
* in the specified layout file.
*
* @param packageName Name of the package that contains the layout resource
* @param layoutId The id of the layout resource
*/
public RemoteViews(String packageName, int layoutId) {
this(getApplicationInfo(packageName, UserHandle.myUserId()), layoutId);
}
/**
* Create a new RemoteViews object that will display the views contained
* in the specified layout file.
*
* @param packageName Name of the package that contains the layout resource.
* @param userId The user under which the package is running.
* @param layoutId The id of the layout resource.
*
* @hide
*/
public RemoteViews(String packageName, int userId, int layoutId) {
this(getApplicationInfo(packageName, userId), layoutId);
}
/**
* Create a new RemoteViews object that will display the views contained
* in the specified layout file.
*
* @param application The application whose content is shown by the views.
* @param layoutId The id of the layout resource.
*
* @hide
*/
protected RemoteViews(ApplicationInfo application, int layoutId) {
mApplication = application;
mLayoutId = layoutId;
mBitmapCache = new BitmapCache();
mClassCookies = null;
}
private boolean hasLandscapeAndPortraitLayouts() {
return (mLandscape != null) && (mPortrait != null);
}
/**
* Create a new RemoteViews object that will inflate as the specified
* landspace or portrait RemoteViews, depending on the current configuration.
*
* @param landscape The RemoteViews to inflate in landscape configuration
* @param portrait The RemoteViews to inflate in portrait configuration
*/
public RemoteViews(RemoteViews landscape, RemoteViews portrait) {
if (landscape == null || portrait == null) {
throw new RuntimeException("Both RemoteViews must be non-null");
}
if (!landscape.hasSameAppInfo(portrait.mApplication)) {
throw new RuntimeException("Both RemoteViews must share the same package and user");
}
mApplication = portrait.mApplication;
mLayoutId = portrait.getLayoutId();
mLandscape = landscape;
mPortrait = portrait;
mBitmapCache = new BitmapCache();
configureRemoteViewsAsChild(landscape);
configureRemoteViewsAsChild(portrait);
mClassCookies = (portrait.mClassCookies != null)
? portrait.mClassCookies : landscape.mClassCookies;
}
/**
* Creates a copy of another RemoteViews.
*/
public RemoteViews(RemoteViews src) {
mBitmapCache = src.mBitmapCache;
mApplication = src.mApplication;
mIsRoot = src.mIsRoot;
mLayoutId = src.mLayoutId;
mIsWidgetCollectionChild = src.mIsWidgetCollectionChild;
mReapplyDisallowed = src.mReapplyDisallowed;
mClassCookies = src.mClassCookies;
if (src.hasLandscapeAndPortraitLayouts()) {
mLandscape = new RemoteViews(src.mLandscape);
mPortrait = new RemoteViews(src.mPortrait);
}
if (src.mActions != null) {
Parcel p = Parcel.obtain();
p.putClassCookies(mClassCookies);
src.writeActionsToParcel(p);
p.setDataPosition(0);
// Since src is already in memory, we do not care about stack overflow as it has
// already been read once.
readActionsFromParcel(p, 0);
p.recycle();
}
// Now that everything is initialized and duplicated, setting a new BitmapCache will
// re-initialize the cache.
setBitmapCache(new BitmapCache());
}
/**
* Reads a RemoteViews object from a parcel.
*
* @param parcel
*/
public RemoteViews(Parcel parcel) {
this(parcel, null, null, 0, null);
}
private RemoteViews(Parcel parcel, BitmapCache bitmapCache, ApplicationInfo info, int depth,
Map classCookies) {
if (depth > MAX_NESTED_VIEWS
&& (UserHandle.getAppId(Binder.getCallingUid()) != Process.SYSTEM_UID)) {
throw new IllegalArgumentException("Too many nested views.");
}
depth++;
int mode = parcel.readInt();
// We only store a bitmap cache in the root of the RemoteViews.
if (bitmapCache == null) {
mBitmapCache = new BitmapCache(parcel);
// Store the class cookies such that they are available when we clone this RemoteView.
mClassCookies = parcel.copyClassCookies();
} else {
setBitmapCache(bitmapCache);
mClassCookies = classCookies;
setNotRoot();
}
if (mode == MODE_NORMAL) {
mApplication = parcel.readInt() == 0 ? info :
ApplicationInfo.CREATOR.createFromParcel(parcel);
mLayoutId = parcel.readInt();
mIsWidgetCollectionChild = parcel.readInt() == 1;
readActionsFromParcel(parcel, depth);
} else {
// MODE_HAS_LANDSCAPE_AND_PORTRAIT
mLandscape = new RemoteViews(parcel, mBitmapCache, info, depth, mClassCookies);
mPortrait = new RemoteViews(parcel, mBitmapCache, mLandscape.mApplication, depth,
mClassCookies);
mApplication = mPortrait.mApplication;
mLayoutId = mPortrait.getLayoutId();
}
mReapplyDisallowed = parcel.readInt() == 0;
}
private void readActionsFromParcel(Parcel parcel, int depth) {
int count = parcel.readInt();
if (count > 0) {
mActions = new ArrayList<>(count);
for (int i = 0; i < count; i++) {
mActions.add(getActionFromParcel(parcel, depth));
}
}
}
private Action getActionFromParcel(Parcel parcel, int depth) {
int tag = parcel.readInt();
switch (tag) {
case SET_ON_CLICK_PENDING_INTENT_TAG:
return new SetOnClickPendingIntent(parcel);
case SET_DRAWABLE_TINT_TAG:
return new SetDrawableTint(parcel);
case REFLECTION_ACTION_TAG:
return new ReflectionAction(parcel);
case VIEW_GROUP_ACTION_ADD_TAG:
return new ViewGroupActionAdd(parcel, mBitmapCache, mApplication, depth,
mClassCookies);
case VIEW_GROUP_ACTION_REMOVE_TAG:
return new ViewGroupActionRemove(parcel);
case VIEW_CONTENT_NAVIGATION_TAG:
return new ViewContentNavigation(parcel);
case SET_EMPTY_VIEW_ACTION_TAG:
return new SetEmptyView(parcel);
case SET_PENDING_INTENT_TEMPLATE_TAG:
return new SetPendingIntentTemplate(parcel);
case SET_ON_CLICK_FILL_IN_INTENT_TAG:
return new SetOnClickFillInIntent(parcel);
case SET_REMOTE_VIEW_ADAPTER_INTENT_TAG:
return new SetRemoteViewsAdapterIntent(parcel);
case TEXT_VIEW_DRAWABLE_ACTION_TAG:
return new TextViewDrawableAction(parcel);
case TEXT_VIEW_SIZE_ACTION_TAG:
return new TextViewSizeAction(parcel);
case VIEW_PADDING_ACTION_TAG:
return new ViewPaddingAction(parcel);
case BITMAP_REFLECTION_ACTION_TAG:
return new BitmapReflectionAction(parcel);
case SET_REMOTE_VIEW_ADAPTER_LIST_TAG:
return new SetRemoteViewsAdapterList(parcel);
case SET_REMOTE_INPUTS_ACTION_TAG:
return new SetRemoteInputsAction(parcel);
case LAYOUT_PARAM_ACTION_TAG:
return new LayoutParamAction(parcel);
case OVERRIDE_TEXT_COLORS_TAG:
return new OverrideTextColorsAction(parcel);
default:
throw new ActionException("Tag " + tag + " not found");
}
};
/**
* Returns a deep copy of the RemoteViews object. The RemoteView may not be
* attached to another RemoteView -- it must be the root of a hierarchy.
*
* @deprecated use {@link #RemoteViews(RemoteViews)} instead.
* @throws IllegalStateException if this is not the root of a RemoteView
* hierarchy
*/
@Override
@Deprecated
public RemoteViews clone() {
Preconditions.checkState(mIsRoot, "RemoteView has been attached to another RemoteView. "
+ "May only clone the root of a RemoteView hierarchy.");
return new RemoteViews(this);
}
public String getPackage() {
return (mApplication != null) ? mApplication.packageName : null;
}
/**
* Returns the layout id of the root layout associated with this RemoteViews. In the case
* that the RemoteViews has both a landscape and portrait root, this will return the layout
* id associated with the portrait layout.
*
* @return the layout id.
*/
public int getLayoutId() {
return mLayoutId;
}
/*
* This flag indicates whether this RemoteViews object is being created from a
* RemoteViewsService for use as a child of a widget collection. This flag is used
* to determine whether or not certain features are available, in particular,
* setting on click extras and setting on click pending intents. The former is enabled,
* and the latter disabled when this flag is true.
*/
void setIsWidgetCollectionChild(boolean isWidgetCollectionChild) {
mIsWidgetCollectionChild = isWidgetCollectionChild;
}
/**
* Recursively sets BitmapCache in the hierarchy and update the bitmap ids.
*/
private void setBitmapCache(BitmapCache bitmapCache) {
mBitmapCache = bitmapCache;
if (!hasLandscapeAndPortraitLayouts()) {
if (mActions != null) {
final int count = mActions.size();
for (int i= 0; i < count; ++i) {
mActions.get(i).setBitmapCache(bitmapCache);
}
}
} else {
mLandscape.setBitmapCache(bitmapCache);
mPortrait.setBitmapCache(bitmapCache);
}
}
/**
* Returns an estimate of the bitmap heap memory usage for this RemoteViews.
*/
/** @hide */
public int estimateMemoryUsage() {
return mBitmapCache.getBitmapMemory();
}
/**
* Add an action to be executed on the remote side when apply is called.
*
* @param a The action to add
*/
private void addAction(Action a) {
if (hasLandscapeAndPortraitLayouts()) {
throw new RuntimeException("RemoteViews specifying separate landscape and portrait" +
" layouts cannot be modified. Instead, fully configure the landscape and" +
" portrait layouts individually before constructing the combined layout.");
}
if (mActions == null) {
mActions = new ArrayList<>();
}
mActions.add(a);
}
/**
* Equivalent to calling {@link ViewGroup#addView(View)} after inflating the
* given {@link RemoteViews}. This allows users to build "nested"
* {@link RemoteViews}. In cases where consumers of {@link RemoteViews} may
* recycle layouts, use {@link #removeAllViews(int)} to clear any existing
* children.
*
* @param viewId The id of the parent {@link ViewGroup} to add child into.
* @param nestedView {@link RemoteViews} that describes the child.
*/
public void addView(int viewId, RemoteViews nestedView) {
addAction(nestedView == null
? new ViewGroupActionRemove(viewId)
: new ViewGroupActionAdd(viewId, nestedView));
}
/**
* Equivalent to calling {@link ViewGroup#addView(View, int)} after inflating the
* given {@link RemoteViews}.
*
* @param viewId The id of the parent {@link ViewGroup} to add the child into.
* @param nestedView {@link RemoteViews} of the child to add.
* @param index The position at which to add the child.
*
* @hide
*/
public void addView(int viewId, RemoteViews nestedView, int index) {
addAction(new ViewGroupActionAdd(viewId, nestedView, index));
}
/**
* Equivalent to calling {@link ViewGroup#removeAllViews()}.
*
* @param viewId The id of the parent {@link ViewGroup} to remove all
* children from.
*/
public void removeAllViews(int viewId) {
addAction(new ViewGroupActionRemove(viewId));
}
/**
* Removes all views in the {@link ViewGroup} specified by the {@code viewId} except for any
* child that has the {@code viewIdToKeep} as its id.
*
* @param viewId The id of the parent {@link ViewGroup} to remove children from.
* @param viewIdToKeep The id of a child that should not be removed.
*
* @hide
*/
public void removeAllViewsExceptId(int viewId, int viewIdToKeep) {
addAction(new ViewGroupActionRemove(viewId, viewIdToKeep));
}
/**
* Equivalent to calling {@link AdapterViewAnimator#showNext()}
*
* @param viewId The id of the view on which to call {@link AdapterViewAnimator#showNext()}
*/
public void showNext(int viewId) {
addAction(new ViewContentNavigation(viewId, true /* next */));
}
/**
* Equivalent to calling {@link AdapterViewAnimator#showPrevious()}
*
* @param viewId The id of the view on which to call {@link AdapterViewAnimator#showPrevious()}
*/
public void showPrevious(int viewId) {
addAction(new ViewContentNavigation(viewId, false /* next */));
}
/**
* Equivalent to calling {@link AdapterViewAnimator#setDisplayedChild(int)}
*
* @param viewId The id of the view on which to call
* {@link AdapterViewAnimator#setDisplayedChild(int)}
*/
public void setDisplayedChild(int viewId, int childIndex) {
setInt(viewId, "setDisplayedChild", childIndex);
}
/**
* Equivalent to calling {@link View#setVisibility(int)}
*
* @param viewId The id of the view whose visibility should change
* @param visibility The new visibility for the view
*/
public void setViewVisibility(int viewId, int visibility) {
setInt(viewId, "setVisibility", visibility);
}
/**
* Equivalent to calling {@link TextView#setText(CharSequence)}
*
* @param viewId The id of the view whose text should change
* @param text The new text for the view
*/
public void setTextViewText(int viewId, CharSequence text) {
setCharSequence(viewId, "setText", text);
}
/**
* Equivalent to calling {@link TextView#setTextSize(int, float)}
*
* @param viewId The id of the view whose text size should change
* @param units The units of size (e.g. COMPLEX_UNIT_SP)
* @param size The size of the text
*/
public void setTextViewTextSize(int viewId, int units, float size) {
addAction(new TextViewSizeAction(viewId, units, size));
}
/**
* Equivalent to calling
* {@link TextView#setCompoundDrawablesWithIntrinsicBounds(int, int, int, int)}.
*
* @param viewId The id of the view whose text should change
* @param left The id of a drawable to place to the left of the text, or 0
* @param top The id of a drawable to place above the text, or 0
* @param right The id of a drawable to place to the right of the text, or 0
* @param bottom The id of a drawable to place below the text, or 0
*/
public void setTextViewCompoundDrawables(int viewId, int left, int top, int right, int bottom) {
addAction(new TextViewDrawableAction(viewId, false, left, top, right, bottom));
}
/**
* Equivalent to calling {@link
* TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(int, int, int, int)}.
*
* @param viewId The id of the view whose text should change
* @param start The id of a drawable to place before the text (relative to the
* layout direction), or 0
* @param top The id of a drawable to place above the text, or 0
* @param end The id of a drawable to place after the text, or 0
* @param bottom The id of a drawable to place below the text, or 0
*/
public void setTextViewCompoundDrawablesRelative(int viewId, int start, int top, int end, int bottom) {
addAction(new TextViewDrawableAction(viewId, true, start, top, end, bottom));
}
/**
* Equivalent to calling {@link
* TextView#setCompoundDrawablesWithIntrinsicBounds(Drawable, Drawable, Drawable, Drawable)}
* using the drawables yielded by {@link Icon#loadDrawable(Context)}.
*
* @param viewId The id of the view whose text should change
* @param left an Icon to place to the left of the text, or 0
* @param top an Icon to place above the text, or 0
* @param right an Icon to place to the right of the text, or 0
* @param bottom an Icon to place below the text, or 0
*
* @hide
*/
public void setTextViewCompoundDrawables(int viewId, Icon left, Icon top, Icon right, Icon bottom) {
addAction(new TextViewDrawableAction(viewId, false, left, top, right, bottom));
}
/**
* Equivalent to calling {@link
* TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable, Drawable, Drawable, Drawable)}
* using the drawables yielded by {@link Icon#loadDrawable(Context)}.
*
* @param viewId The id of the view whose text should change
* @param start an Icon to place before the text (relative to the
* layout direction), or 0
* @param top an Icon to place above the text, or 0
* @param end an Icon to place after the text, or 0
* @param bottom an Icon to place below the text, or 0
*
* @hide
*/
public void setTextViewCompoundDrawablesRelative(int viewId, Icon start, Icon top, Icon end, Icon bottom) {
addAction(new TextViewDrawableAction(viewId, true, start, top, end, bottom));
}
/**
* Equivalent to calling {@link ImageView#setImageResource(int)}
*
* @param viewId The id of the view whose drawable should change
* @param srcId The new resource id for the drawable
*/
public void setImageViewResource(int viewId, int srcId) {
setInt(viewId, "setImageResource", srcId);
}
/**
* Equivalent to calling {@link ImageView#setImageURI(Uri)}
*
* @param viewId The id of the view whose drawable should change
* @param uri The Uri for the image
*/
public void setImageViewUri(int viewId, Uri uri) {
setUri(viewId, "setImageURI", uri);
}
/**
* Equivalent to calling {@link ImageView#setImageBitmap(Bitmap)}
*
* @param viewId The id of the view whose bitmap should change
* @param bitmap The new Bitmap for the drawable
*/
public void setImageViewBitmap(int viewId, Bitmap bitmap) {
setBitmap(viewId, "setImageBitmap", bitmap);
}
/**
* Equivalent to calling {@link ImageView#setImageIcon(Icon)}
*
* @param viewId The id of the view whose bitmap should change
* @param icon The new Icon for the ImageView
*/
public void setImageViewIcon(int viewId, Icon icon) {
setIcon(viewId, "setImageIcon", icon);
}
/**
* Equivalent to calling {@link AdapterView#setEmptyView(View)}
*
* @param viewId The id of the view on which to set the empty view
* @param emptyViewId The view id of the empty view
*/
public void setEmptyView(int viewId, int emptyViewId) {
addAction(new SetEmptyView(viewId, emptyViewId));
}
/**
* Equivalent to calling {@link Chronometer#setBase Chronometer.setBase},
* {@link Chronometer#setFormat Chronometer.setFormat},
* and {@link Chronometer#start Chronometer.start()} or
* {@link Chronometer#stop Chronometer.stop()}.
*
* @param viewId The id of the {@link Chronometer} to change
* @param base The time at which the timer would have read 0:00. This
* time should be based off of
* {@link android.os.SystemClock#elapsedRealtime SystemClock.elapsedRealtime()}.
* @param format The Chronometer format string, or null to
* simply display the timer value.
* @param started True if you want the clock to be started, false if not.
*
* @see #setChronometerCountDown(int, boolean)
*/
public void setChronometer(int viewId, long base, String format, boolean started) {
setLong(viewId, "setBase", base);
setString(viewId, "setFormat", format);
setBoolean(viewId, "setStarted", started);
}
/**
* Equivalent to calling {@link Chronometer#setCountDown(boolean) Chronometer.setCountDown} on
* the chronometer with the given viewId.
*
* @param viewId The id of the {@link Chronometer} to change
* @param isCountDown True if you want the chronometer to count down to base instead of
* counting up.
*/
public void setChronometerCountDown(int viewId, boolean isCountDown) {
setBoolean(viewId, "setCountDown", isCountDown);
}
/**
* Equivalent to calling {@link ProgressBar#setMax ProgressBar.setMax},
* {@link ProgressBar#setProgress ProgressBar.setProgress}, and
* {@link ProgressBar#setIndeterminate ProgressBar.setIndeterminate}
*
* If indeterminate is true, then the values for max and progress are ignored.
*
* @param viewId The id of the {@link ProgressBar} to change
* @param max The 100% value for the progress bar
* @param progress The current value of the progress bar.
* @param indeterminate True if the progress bar is indeterminate,
* false if not.
*/
public void setProgressBar(int viewId, int max, int progress,
boolean indeterminate) {
setBoolean(viewId, "setIndeterminate", indeterminate);
if (!indeterminate) {
setInt(viewId, "setMax", max);
setInt(viewId, "setProgress", progress);
}
}
/**
* Equivalent to calling
* {@link android.view.View#setOnClickListener(android.view.View.OnClickListener)}
* to launch the provided {@link PendingIntent}. The source bounds
* ({@link Intent#getSourceBounds()}) of the intent will be set to the bounds of the clicked
* view in screen space.
* Note that any activity options associated with the pendingIntent may get overridden
* before starting the intent.
*
* When setting the on-click action of items within collections (eg. {@link ListView},
* {@link StackView} etc.), this method will not work. Instead, use {@link
* RemoteViews#setPendingIntentTemplate(int, PendingIntent)} in conjunction with
* {@link RemoteViews#setOnClickFillInIntent(int, Intent)}.
*
* @param viewId The id of the view that will trigger the {@link PendingIntent} when clicked
* @param pendingIntent The {@link PendingIntent} to send when user clicks
*/
public void setOnClickPendingIntent(int viewId, PendingIntent pendingIntent) {
addAction(new SetOnClickPendingIntent(viewId, pendingIntent));
}
/**
* When using collections (eg. {@link ListView}, {@link StackView} etc.) in widgets, it is very
* costly to set PendingIntents on the individual items, and is hence not permitted. Instead
* this method should be used to set a single PendingIntent template on the collection, and
* individual items can differentiate their on-click behavior using
* {@link RemoteViews#setOnClickFillInIntent(int, Intent)}.
*
* @param viewId The id of the collection who's children will use this PendingIntent template
* when clicked
* @param pendingIntentTemplate The {@link PendingIntent} to be combined with extras specified
* by a child of viewId and executed when that child is clicked
*/
public void setPendingIntentTemplate(int viewId, PendingIntent pendingIntentTemplate) {
addAction(new SetPendingIntentTemplate(viewId, pendingIntentTemplate));
}
/**
* When using collections (eg. {@link ListView}, {@link StackView} etc.) in widgets, it is very
* costly to set PendingIntents on the individual items, and is hence not permitted. Instead
* a single PendingIntent template can be set on the collection, see {@link
* RemoteViews#setPendingIntentTemplate(int, PendingIntent)}, and the individual on-click
* action of a given item can be distinguished by setting a fillInIntent on that item. The
* fillInIntent is then combined with the PendingIntent template in order to determine the final
* intent which will be executed when the item is clicked. This works as follows: any fields
* which are left blank in the PendingIntent template, but are provided by the fillInIntent
* will be overwritten, and the resulting PendingIntent will be used. The rest
* of the PendingIntent template will then be filled in with the associated fields that are
* set in fillInIntent. See {@link Intent#fillIn(Intent, int)} for more details.
*
* @param viewId The id of the view on which to set the fillInIntent
* @param fillInIntent The intent which will be combined with the parent's PendingIntent
* in order to determine the on-click behavior of the view specified by viewId
*/
public void setOnClickFillInIntent(int viewId, Intent fillInIntent) {
addAction(new SetOnClickFillInIntent(viewId, fillInIntent));
}
/**
* @hide
* Equivalent to calling
* {@link Drawable#setColorFilter(int, android.graphics.PorterDuff.Mode)},
* on the {@link Drawable} of a given view.
*
*
* @param viewId The id of the view that contains the target
* {@link Drawable}
* @param targetBackground If true, apply these parameters to the
* {@link Drawable} returned by
* {@link android.view.View#getBackground()}. Otherwise, assume
* the target view is an {@link ImageView} and apply them to
* {@link ImageView#getDrawable()}.
* @param colorFilter Specify a color for a
* {@link android.graphics.ColorFilter} for this drawable. This will be ignored if
* {@code mode} is {@code null}.
* @param mode Specify a PorterDuff mode for this drawable, or null to leave
* unchanged.
*/
public void setDrawableTint(int viewId, boolean targetBackground,
int colorFilter, @NonNull PorterDuff.Mode mode) {
addAction(new SetDrawableTint(viewId, targetBackground, colorFilter, mode));
}
/**
* @hide
* Equivalent to calling {@link android.widget.ProgressBar#setProgressTintList}.
*
* @param viewId The id of the view whose tint should change
* @param tint the tint to apply, may be {@code null} to clear tint
*/
public void setProgressTintList(int viewId, ColorStateList tint) {
addAction(new ReflectionAction(viewId, "setProgressTintList",
ReflectionAction.COLOR_STATE_LIST, tint));
}
/**
* @hide
* Equivalent to calling {@link android.widget.ProgressBar#setProgressBackgroundTintList}.
*
* @param viewId The id of the view whose tint should change
* @param tint the tint to apply, may be {@code null} to clear tint
*/
public void setProgressBackgroundTintList(int viewId, ColorStateList tint) {
addAction(new ReflectionAction(viewId, "setProgressBackgroundTintList",
ReflectionAction.COLOR_STATE_LIST, tint));
}
/**
* @hide
* Equivalent to calling {@link android.widget.ProgressBar#setIndeterminateTintList}.
*
* @param viewId The id of the view whose tint should change
* @param tint the tint to apply, may be {@code null} to clear tint
*/
public void setProgressIndeterminateTintList(int viewId, ColorStateList tint) {
addAction(new ReflectionAction(viewId, "setIndeterminateTintList",
ReflectionAction.COLOR_STATE_LIST, tint));
}
/**
* Equivalent to calling {@link android.widget.TextView#setTextColor(int)}.
*
* @param viewId The id of the view whose text color should change
* @param color Sets the text color for all the states (normal, selected,
* focused) to be this color.
*/
public void setTextColor(int viewId, @ColorInt int color) {
setInt(viewId, "setTextColor", color);
}
/**
* @hide
* Equivalent to calling {@link android.widget.TextView#setTextColor(ColorStateList)}.
*
* @param viewId The id of the view whose text color should change
* @param colors the text colors to set
*/
public void setTextColor(int viewId, @ColorInt ColorStateList colors) {
addAction(new ReflectionAction(viewId, "setTextColor", ReflectionAction.COLOR_STATE_LIST,
colors));
}
/**
* Equivalent to calling {@link android.widget.AbsListView#setRemoteViewsAdapter(Intent)}.
*
* @param appWidgetId The id of the app widget which contains the specified view. (This
* parameter is ignored in this deprecated method)
* @param viewId The id of the {@link AdapterView}
* @param intent The intent of the service which will be
* providing data to the RemoteViewsAdapter
* @deprecated This method has been deprecated. See
* {@link android.widget.RemoteViews#setRemoteAdapter(int, Intent)}
*/
@Deprecated
public void setRemoteAdapter(int appWidgetId, int viewId, Intent intent) {
setRemoteAdapter(viewId, intent);
}
/**
* Equivalent to calling {@link android.widget.AbsListView#setRemoteViewsAdapter(Intent)}.
* Can only be used for App Widgets.
*
* @param viewId The id of the {@link AdapterView}
* @param intent The intent of the service which will be
* providing data to the RemoteViewsAdapter
*/
public void setRemoteAdapter(int viewId, Intent intent) {
addAction(new SetRemoteViewsAdapterIntent(viewId, intent));
}
/**
* Creates a simple Adapter for the viewId specified. The viewId must point to an AdapterView,
* ie. {@link ListView}, {@link GridView}, {@link StackView} or {@link AdapterViewAnimator}.
* This is a simpler but less flexible approach to populating collection widgets. Its use is
* encouraged for most scenarios, as long as the total memory within the list of RemoteViews
* is relatively small (ie. doesn't contain large or numerous Bitmaps, see {@link
* RemoteViews#setImageViewBitmap}). In the case of numerous images, the use of API is still
* possible by setting image URIs instead of Bitmaps, see {@link RemoteViews#setImageViewUri}.
*
* This API is supported in the compatibility library for previous API levels, see
* RemoteViewsCompat.
*
* @param viewId The id of the {@link AdapterView}
* @param list The list of RemoteViews which will populate the view specified by viewId.
* @param viewTypeCount The maximum number of unique layout id's used to construct the list of
* RemoteViews. This count cannot change during the life-cycle of a given widget, so this
* parameter should account for the maximum possible number of types that may appear in the
* See {@link Adapter#getViewTypeCount()}.
*
* @hide
*/
public void setRemoteAdapter(int viewId, ArrayList list, int viewTypeCount) {
addAction(new SetRemoteViewsAdapterList(viewId, list, viewTypeCount));
}
/**
* Equivalent to calling {@link ListView#smoothScrollToPosition(int)}.
*
* @param viewId The id of the view to change
* @param position Scroll to this adapter position
*/
public void setScrollPosition(int viewId, int position) {
setInt(viewId, "smoothScrollToPosition", position);
}
/**
* Equivalent to calling {@link ListView#smoothScrollByOffset(int)}.
*
* @param viewId The id of the view to change
* @param offset Scroll by this adapter position offset
*/
public void setRelativeScrollPosition(int viewId, int offset) {
setInt(viewId, "smoothScrollByOffset", offset);
}
/**
* Equivalent to calling {@link android.view.View#setPadding(int, int, int, int)}.
*
* @param viewId The id of the view to change
* @param left the left padding in pixels
* @param top the top padding in pixels
* @param right the right padding in pixels
* @param bottom the bottom padding in pixels
*/
public void setViewPadding(int viewId, int left, int top, int right, int bottom) {
addAction(new ViewPaddingAction(viewId, left, top, right, bottom));
}
/**
* @hide
* Equivalent to calling {@link android.view.ViewGroup.MarginLayoutParams#setMarginEnd(int)}.
* Only works if the {@link View#getLayoutParams()} supports margins.
* Hidden for now since we don't want to support this for all different layout margins yet.
*
* @param viewId The id of the view to change
* @param endMarginDimen a dimen resource to read the margin from or 0 to clear the margin.
*/
public void setViewLayoutMarginEndDimen(int viewId, @DimenRes int endMarginDimen) {
addAction(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_MARGIN_END_DIMEN,
endMarginDimen));
}
/**
* Equivalent to setting {@link android.view.ViewGroup.MarginLayoutParams#bottomMargin}.
*
* @param bottomMarginDimen a dimen resource to read the margin from or 0 to clear the margin.
* @hide
*/
public void setViewLayoutMarginBottomDimen(int viewId, @DimenRes int bottomMarginDimen) {
addAction(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_MARGIN_BOTTOM_DIMEN,
bottomMarginDimen));
}
/**
* Equivalent to setting {@link android.view.ViewGroup.LayoutParams#width}.
*
* @param layoutWidth one of 0, MATCH_PARENT or WRAP_CONTENT. Other sizes are not allowed
* because they behave poorly when the density changes.
* @hide
*/
public void setViewLayoutWidth(int viewId, int layoutWidth) {
if (layoutWidth != 0 && layoutWidth != ViewGroup.LayoutParams.MATCH_PARENT
&& layoutWidth != ViewGroup.LayoutParams.WRAP_CONTENT) {
throw new IllegalArgumentException("Only supports 0, WRAP_CONTENT and MATCH_PARENT");
}
mActions.add(new LayoutParamAction(viewId, LayoutParamAction.LAYOUT_WIDTH, layoutWidth));
}
/**
* Call a method taking one boolean on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setBoolean(int viewId, String methodName, boolean value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BOOLEAN, value));
}
/**
* Call a method taking one byte on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setByte(int viewId, String methodName, byte value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BYTE, value));
}
/**
* Call a method taking one short on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setShort(int viewId, String methodName, short value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.SHORT, value));
}
/**
* Call a method taking one int on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setInt(int viewId, String methodName, int value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.INT, value));
}
/**
* Call a method taking one long on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setLong(int viewId, String methodName, long value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.LONG, value));
}
/**
* Call a method taking one float on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setFloat(int viewId, String methodName, float value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.FLOAT, value));
}
/**
* Call a method taking one double on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setDouble(int viewId, String methodName, double value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.DOUBLE, value));
}
/**
* Call a method taking one char on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setChar(int viewId, String methodName, char value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.CHAR, value));
}
/**
* Call a method taking one String on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setString(int viewId, String methodName, String value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.STRING, value));
}
/**
* Call a method taking one CharSequence on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setCharSequence(int viewId, String methodName, CharSequence value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.CHAR_SEQUENCE, value));
}
/**
* Call a method taking one Uri on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setUri(int viewId, String methodName, Uri value) {
if (value != null) {
// Resolve any filesystem path before sending remotely
value = value.getCanonicalUri();
if (StrictMode.vmFileUriExposureEnabled()) {
value.checkFileUriExposed("RemoteViews.setUri()");
}
}
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.URI, value));
}
/**
* Call a method taking one Bitmap on a view in the layout for this RemoteViews.
* @more
* The bitmap will be flattened into the parcel if this object is
* sent across processes, so it may end up using a lot of memory, and may be fairly slow.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setBitmap(int viewId, String methodName, Bitmap value) {
addAction(new BitmapReflectionAction(viewId, methodName, value));
}
/**
* Call a method taking one Bundle on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The value to pass to the method.
*/
public void setBundle(int viewId, String methodName, Bundle value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.BUNDLE, value));
}
/**
* Call a method taking one Intent on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The {@link android.content.Intent} to pass the method.
*/
public void setIntent(int viewId, String methodName, Intent value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.INTENT, value));
}
/**
* Call a method taking one Icon on a view in the layout for this RemoteViews.
*
* @param viewId The id of the view on which to call the method.
* @param methodName The name of the method to call.
* @param value The {@link android.graphics.drawable.Icon} to pass the method.
*/
public void setIcon(int viewId, String methodName, Icon value) {
addAction(new ReflectionAction(viewId, methodName, ReflectionAction.ICON, value));
}
/**
* Equivalent to calling View.setContentDescription(CharSequence).
*
* @param viewId The id of the view whose content description should change.
* @param contentDescription The new content description for the view.
*/
public void setContentDescription(int viewId, CharSequence contentDescription) {
setCharSequence(viewId, "setContentDescription", contentDescription);
}
/**
* Equivalent to calling {@link android.view.View#setAccessibilityTraversalBefore(int)}.
*
* @param viewId The id of the view whose before view in accessibility traversal to set.
* @param nextId The id of the next in the accessibility traversal.
**/
public void setAccessibilityTraversalBefore(int viewId, int nextId) {
setInt(viewId, "setAccessibilityTraversalBefore", nextId);
}
/**
* Equivalent to calling {@link android.view.View#setAccessibilityTraversalAfter(int)}.
*
* @param viewId The id of the view whose after view in accessibility traversal to set.
* @param nextId The id of the next in the accessibility traversal.
**/
public void setAccessibilityTraversalAfter(int viewId, int nextId) {
setInt(viewId, "setAccessibilityTraversalAfter", nextId);
}
/**
* Equivalent to calling {@link View#setLabelFor(int)}.
*
* @param viewId The id of the view whose property to set.
* @param labeledId The id of a view for which this view serves as a label.
*/
public void setLabelFor(int viewId, int labeledId) {
setInt(viewId, "setLabelFor", labeledId);
}
private RemoteViews getRemoteViewsToApply(Context context) {
if (hasLandscapeAndPortraitLayouts()) {
int orientation = context.getResources().getConfiguration().orientation;
if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
return mLandscape;
} else {
return mPortrait;
}
}
return this;
}
/**
* Inflates the view hierarchy represented by this object and applies
* all of the actions.
*
* Caller beware: this may throw
*
* @param context Default context to use
* @param parent Parent that the resulting view hierarchy will be attached to. This method
* does not attach the hierarchy. The caller should do so when appropriate.
* @return The inflated view hierarchy
*/
public View apply(Context context, ViewGroup parent) {
return apply(context, parent, null);
}
/** @hide */
public View apply(Context context, ViewGroup parent, OnClickHandler handler) {
RemoteViews rvToApply = getRemoteViewsToApply(context);
View result = inflateView(context, rvToApply, parent);
loadTransitionOverride(context, handler);
rvToApply.performApply(result, parent, handler);
return result;
}
private View inflateView(Context context, RemoteViews rv, ViewGroup parent) {
// RemoteViews may be built by an application installed in another
// user. So build a context that loads resources from that user but
// still returns the current users userId so settings like data / time formats
// are loaded without requiring cross user persmissions.
final Context contextForResources = getContextForResources(context);
Context inflationContext = new RemoteViewsContextWrapper(context, contextForResources);
LayoutInflater inflater = (LayoutInflater)
context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
// Clone inflater so we load resources from correct context and
// we don't add a filter to the static version returned by getSystemService.
inflater = inflater.cloneInContext(inflationContext);
inflater.setFilter(this);
View v = inflater.inflate(rv.getLayoutId(), parent, false);
v.setTagInternal(R.id.widget_frame, rv.getLayoutId());
return v;
}
private static void loadTransitionOverride(Context context,
RemoteViews.OnClickHandler handler) {
if (handler != null && context.getResources().getBoolean(
com.android.internal.R.bool.config_overrideRemoteViewsActivityTransition)) {
TypedArray windowStyle = context.getTheme().obtainStyledAttributes(
com.android.internal.R.styleable.Window);
int windowAnimations = windowStyle.getResourceId(
com.android.internal.R.styleable.Window_windowAnimationStyle, 0);
TypedArray windowAnimationStyle = context.obtainStyledAttributes(
windowAnimations, com.android.internal.R.styleable.WindowAnimation);
handler.setEnterAnimationId(windowAnimationStyle.getResourceId(
com.android.internal.R.styleable.
WindowAnimation_activityOpenRemoteViewsEnterAnimation, 0));
windowStyle.recycle();
windowAnimationStyle.recycle();
}
}
/**
* Implement this interface to receive a callback when
* {@link #applyAsync} or {@link #reapplyAsync} is finished.
* @hide
*/
public interface OnViewAppliedListener {
void onViewApplied(View v);
void onError(Exception e);
}
/**
* Applies the views asynchronously, moving as much of the task on the background
* thread as possible.
*
* @see #apply(Context, ViewGroup)
* @param context Default context to use
* @param parent Parent that the resulting view hierarchy will be attached to. This method
* does not attach the hierarchy. The caller should do so when appropriate.
* @param listener the callback to run when all actions have been applied. May be null.
* @param executor The executor to use. If null {@link AsyncTask#THREAD_POOL_EXECUTOR} is used.
* @return CancellationSignal
* @hide
*/
public CancellationSignal applyAsync(
Context context, ViewGroup parent, Executor executor, OnViewAppliedListener listener) {
return applyAsync(context, parent, executor, listener, null);
}
private CancellationSignal startTaskOnExecutor(AsyncApplyTask task, Executor executor) {
CancellationSignal cancelSignal = new CancellationSignal();
cancelSignal.setOnCancelListener(task);
task.executeOnExecutor(executor == null ? AsyncTask.THREAD_POOL_EXECUTOR : executor);
return cancelSignal;
}
/** @hide */
public CancellationSignal applyAsync(Context context, ViewGroup parent,
Executor executor, OnViewAppliedListener listener, OnClickHandler handler) {
return startTaskOnExecutor(getAsyncApplyTask(context, parent, listener, handler), executor);
}
private AsyncApplyTask getAsyncApplyTask(Context context, ViewGroup parent,
OnViewAppliedListener listener, OnClickHandler handler) {
return new AsyncApplyTask(getRemoteViewsToApply(context), parent, context, listener,
handler, null);
}
private class AsyncApplyTask extends AsyncTask
implements CancellationSignal.OnCancelListener {
final RemoteViews mRV;
final ViewGroup mParent;
final Context mContext;
final OnViewAppliedListener mListener;
final OnClickHandler mHandler;
private View mResult;
private ViewTree mTree;
private Action[] mActions;
private Exception mError;
private AsyncApplyTask(
RemoteViews rv, ViewGroup parent, Context context, OnViewAppliedListener listener,
OnClickHandler handler, View result) {
mRV = rv;
mParent = parent;
mContext = context;
mListener = listener;
mHandler = handler;
mResult = result;
loadTransitionOverride(context, handler);
}
@Override
protected ViewTree doInBackground(Void... params) {
try {
if (mResult == null) {
mResult = inflateView(mContext, mRV, mParent);
}
mTree = new ViewTree(mResult);
if (mRV.mActions != null) {
int count = mRV.mActions.size();
mActions = new Action[count];
for (int i = 0; i < count && !isCancelled(); i++) {
// TODO: check if isCancelled in nested views.
mActions[i] = mRV.mActions.get(i).initActionAsync(mTree, mParent, mHandler);
}
} else {
mActions = null;
}
return mTree;
} catch (Exception e) {
mError = e;
return null;
}
}
@Override
protected void onPostExecute(ViewTree viewTree) {
if (mError == null) {
try {
if (mActions != null) {
OnClickHandler handler = mHandler == null
? DEFAULT_ON_CLICK_HANDLER : mHandler;
for (Action a : mActions) {
a.apply(viewTree.mRoot, mParent, handler);
}
}
} catch (Exception e) {
mError = e;
}
}
if (mListener != null) {
if (mError != null) {
mListener.onError(mError);
} else {
mListener.onViewApplied(viewTree.mRoot);
}
} else if (mError != null) {
if (mError instanceof ActionException) {
throw (ActionException) mError;
} else {
throw new ActionException(mError);
}
}
}
@Override
public void onCancel() {
cancel(true);
}
}
/**
* Applies all of the actions to the provided view.
*
* Caller beware: this may throw
*
* @param v The view to apply the actions to. This should be the result of
* the {@link #apply(Context,ViewGroup)} call.
*/
public void reapply(Context context, View v) {
reapply(context, v, null);
}
/** @hide */
public void reapply(Context context, View v, OnClickHandler handler) {
RemoteViews rvToApply = getRemoteViewsToApply(context);
// In the case that a view has this RemoteViews applied in one orientation, is persisted
// across orientation change, and has the RemoteViews re-applied in the new orientation,
// we throw an exception, since the layouts may be completely unrelated.
if (hasLandscapeAndPortraitLayouts()) {
if ((Integer) v.getTag(R.id.widget_frame) != rvToApply.getLayoutId()) {
throw new RuntimeException("Attempting to re-apply RemoteViews to a view that" +
" that does not share the same root layout id.");
}
}
rvToApply.performApply(v, (ViewGroup) v.getParent(), handler);
}
/**
* Applies all the actions to the provided view, moving as much of the task on the background
* thread as possible.
*
* @see #reapply(Context, View)
* @param context Default context to use
* @param v The view to apply the actions to. This should be the result of
* the {@link #apply(Context,ViewGroup)} call.
* @param listener the callback to run when all actions have been applied. May be null.
* @param executor The executor to use. If null {@link AsyncTask#THREAD_POOL_EXECUTOR} is used
* @return CancellationSignal
* @hide
*/
public CancellationSignal reapplyAsync(
Context context, View v, Executor executor, OnViewAppliedListener listener) {
return reapplyAsync(context, v, executor, listener, null);
}
/** @hide */
public CancellationSignal reapplyAsync(Context context, View v, Executor executor,
OnViewAppliedListener listener, OnClickHandler handler) {
RemoteViews rvToApply = getRemoteViewsToApply(context);
// In the case that a view has this RemoteViews applied in one orientation, is persisted
// across orientation change, and has the RemoteViews re-applied in the new orientation,
// we throw an exception, since the layouts may be completely unrelated.
if (hasLandscapeAndPortraitLayouts()) {
if ((Integer) v.getTag(R.id.widget_frame) != rvToApply.getLayoutId()) {
throw new RuntimeException("Attempting to re-apply RemoteViews to a view that" +
" that does not share the same root layout id.");
}
}
return startTaskOnExecutor(new AsyncApplyTask(rvToApply, (ViewGroup) v.getParent(),
context, listener, handler, v), executor);
}
private void performApply(View v, ViewGroup parent, OnClickHandler handler) {
if (mActions != null) {
handler = handler == null ? DEFAULT_ON_CLICK_HANDLER : handler;
final int count = mActions.size();
for (int i = 0; i < count; i++) {
Action a = mActions.get(i);
a.apply(v, parent, handler);
}
}
}
/**
* Returns true if the RemoteViews contains potentially costly operations and should be
* applied asynchronously.
*
* @hide
*/
public boolean prefersAsyncApply() {
if (mActions != null) {
final int count = mActions.size();
for (int i = 0; i < count; i++) {
if (mActions.get(i).prefersAsyncApply()) {
return true;
}
}
}
return false;
}
private Context getContextForResources(Context context) {
if (mApplication != null) {
if (context.getUserId() == UserHandle.getUserId(mApplication.uid)
&& context.getPackageName().equals(mApplication.packageName)) {
return context;
}
try {
return context.createApplicationContext(mApplication,
Context.CONTEXT_RESTRICTED);
} catch (NameNotFoundException e) {
Log.e(LOG_TAG, "Package name " + mApplication.packageName + " not found");
}
}
return context;
}
/**
* Returns the number of actions in this RemoteViews. Can be used as a sequence number.
*
* @hide
*/
public int getSequenceNumber() {
return (mActions == null) ? 0 : mActions.size();
}
/* (non-Javadoc)
* Used to restrict the views which can be inflated
*
* @see android.view.LayoutInflater.Filter#onLoadClass(java.lang.Class)
*/
public boolean onLoadClass(Class clazz) {
return clazz.isAnnotationPresent(RemoteView.class);
}
public int describeContents() {
return 0;
}
public void writeToParcel(Parcel dest, int flags) {
if (!hasLandscapeAndPortraitLayouts()) {
dest.writeInt(MODE_NORMAL);
// We only write the bitmap cache if we are the root RemoteViews, as this cache
// is shared by all children.
if (mIsRoot) {
mBitmapCache.writeBitmapsToParcel(dest, flags);
}
if (!mIsRoot && (flags & PARCELABLE_ELIDE_DUPLICATES) != 0) {
dest.writeInt(0);
} else {
dest.writeInt(1);
mApplication.writeToParcel(dest, flags);
}
dest.writeInt(mLayoutId);
dest.writeInt(mIsWidgetCollectionChild ? 1 : 0);
writeActionsToParcel(dest);
} else {
dest.writeInt(MODE_HAS_LANDSCAPE_AND_PORTRAIT);
// We only write the bitmap cache if we are the root RemoteViews, as this cache
// is shared by all children.
if (mIsRoot) {
mBitmapCache.writeBitmapsToParcel(dest, flags);
}
mLandscape.writeToParcel(dest, flags);
// Both RemoteViews already share the same package and user
mPortrait.writeToParcel(dest, flags | PARCELABLE_ELIDE_DUPLICATES);
}
dest.writeInt(mReapplyDisallowed ? 1 : 0);
}
private void writeActionsToParcel(Parcel parcel) {
int count;
if (mActions != null) {
count = mActions.size();
} else {
count = 0;
}
parcel.writeInt(count);
for (int i = 0; i < count; i++) {
Action a = mActions.get(i);
parcel.writeInt(a.getActionTag());
a.writeToParcel(parcel, a.hasSameAppInfo(mApplication)
? PARCELABLE_ELIDE_DUPLICATES : 0);
}
}
private static ApplicationInfo getApplicationInfo(String packageName, int userId) {
if (packageName == null) {
return null;
}
// Get the application for the passed in package and user.
Application application = ActivityThread.currentApplication();
if (application == null) {
throw new IllegalStateException("Cannot create remote views out of an aplication.");
}
ApplicationInfo applicationInfo = application.getApplicationInfo();
if (UserHandle.getUserId(applicationInfo.uid) != userId
|| !applicationInfo.packageName.equals(packageName)) {
try {
Context context = application.getBaseContext().createPackageContextAsUser(
packageName, 0, new UserHandle(userId));
applicationInfo = context.getApplicationInfo();
} catch (NameNotFoundException nnfe) {
throw new IllegalArgumentException("No such package " + packageName);
}
}
return applicationInfo;
}
/**
* Returns true if the {@link #mApplication} is same as the provided info.
*
* @hide
*/
public boolean hasSameAppInfo(ApplicationInfo info) {
return mApplication.packageName.equals(info.packageName) && mApplication.uid == info.uid;
}
/**
* Parcelable.Creator that instantiates RemoteViews objects
*/
public static final Parcelable.Creator CREATOR = new Parcelable.Creator() {
public RemoteViews createFromParcel(Parcel parcel) {
return new RemoteViews(parcel);
}
public RemoteViews[] newArray(int size) {
return new RemoteViews[size];
}
};
/**
* A representation of the view hierarchy. Only views which have a valid ID are added
* and can be searched.
*/
private static class ViewTree {
private static final int INSERT_AT_END_INDEX = -1;
private View mRoot;
private ArrayList mChildren;
private ViewTree(View root) {
mRoot = root;
}
public void createTree() {
if (mChildren != null) {
return;
}
mChildren = new ArrayList<>();
if (mRoot instanceof ViewGroup) {
ViewGroup vg = (ViewGroup) mRoot;
int count = vg.getChildCount();
for (int i = 0; i < count; i++) {
addViewChild(vg.getChildAt(i));
}
}
}
public ViewTree findViewTreeById(int id) {
if (mRoot.getId() == id) {
return this;
}
if (mChildren == null) {
return null;
}
for (ViewTree tree : mChildren) {
ViewTree result = tree.findViewTreeById(id);
if (result != null) {
return result;
}
}
return null;
}
public void replaceView(View v) {
mRoot = v;
mChildren = null;
createTree();
}
public T findViewById(int id) {
if (mChildren == null) {
return mRoot.findViewById(id);
}
ViewTree tree = findViewTreeById(id);
return tree == null ? null : (T) tree.mRoot;
}
public void addChild(ViewTree child) {
addChild(child, INSERT_AT_END_INDEX);
}
/**
* Adds the given {@link ViewTree} as a child at the given index.
*
* @param index The position at which to add the child or -1 to add last.
*/
public void addChild(ViewTree child, int index) {
if (mChildren == null) {
mChildren = new ArrayList<>();
}
child.createTree();
if (index == INSERT_AT_END_INDEX) {
mChildren.add(child);
return;
}
mChildren.add(index, child);
}
private void addViewChild(View v) {
// ViewTree only contains Views which can be found using findViewById.
// If isRootNamespace is true, this view is skipped.
// @see ViewGroup#findViewTraversal(int)
if (v.isRootNamespace()) {
return;
}
final ViewTree target;
// If the view has a valid id, i.e., if can be found using findViewById, add it to the
// tree, otherwise skip this view and add its children instead.
if (v.getId() != 0) {
ViewTree tree = new ViewTree(v);
mChildren.add(tree);
target = tree;
} else {
target = this;
}
if (v instanceof ViewGroup) {
if (target.mChildren == null) {
target.mChildren = new ArrayList<>();
ViewGroup vg = (ViewGroup) v;
int count = vg.getChildCount();
for (int i = 0; i < count; i++) {
target.addViewChild(vg.getChildAt(i));
}
}
}
}
}
}