Add View constructor that supplies a default style resource

Also updates the constructor of every class that extends View.

BUG: 10676369
Change-Id: Ifaf27bf82028d180afa4931c0e906df88d858ac3

1 files changed, 45 insertions, 18 deletions

diff --git a/core/java/android/preference/Preference.java b/core/java/android/preference/Preference.java
index 37a810236832..9abd7efeb051 100644
--- a/core/java/android/preference/Preference.java
+++ b/core/java/android/preference/Preference.java
@@ -188,30 +188,33 @@ public class Preference implements Comparable<Preference> {
 
     /**
      * Perform inflation from XML and apply a class-specific base style. This
-     * constructor of Preference allows subclasses to use their own base
-     * style when they are inflating. For example, a {@link CheckBoxPreference}
+     * constructor of Preference allows subclasses to use their own base style
+     * when they are inflating. For example, a {@link CheckBoxPreference}
      * constructor calls this version of the super class constructor and
-     * supplies {@code android.R.attr.checkBoxPreferenceStyle} for <var>defStyle</var>.
-     * This allows the theme's checkbox preference style to modify all of the base
-     * preference attributes as well as the {@link CheckBoxPreference} class's
-     * attributes.
-     * 
+     * supplies {@code android.R.attr.checkBoxPreferenceStyle} for
+     * <var>defStyleAttr</var>. This allows the theme's checkbox preference
+     * style to modify all of the base preference attributes as well as the
+     * {@link CheckBoxPreference} class's attributes.
+     *
      * @param context The Context this is associated with, through which it can
-     *            access the current theme, resources, {@link SharedPreferences},
-     *            etc.
-     * @param attrs The attributes of the XML tag that is inflating the preference.
-     * @param defStyle The default style to apply to this preference. If 0, no style
-     *            will be applied (beyond what is included in the theme). This
-     *            may either be an attribute resource, whose value will be
-     *            retrieved from the current theme, or an explicit style
-     *            resource.
+     *            access the current theme, resources,
+     *            {@link SharedPreferences}, etc.
+     * @param attrs The attributes of the XML tag that is inflating the
+     *            preference.
+     * @param defStyleAttr An attribute in the current theme that contains a
+     *            reference to a style resource that supplies default values for
+     *            the view. Can be 0 to not look for defaults.
+     * @param defStyleRes A resource identifier of a style resource that
+     *            supplies default values for the view, used only if
+     *            defStyleAttr is 0 or can not be found in the theme. Can be 0
+     *            to not look for defaults.
      * @see #Preference(Context, AttributeSet)
      */
-    public Preference(Context context, AttributeSet attrs, int defStyle) {
+    public Preference(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
         mContext = context;
 
-        TypedArray a = context.obtainStyledAttributes(attrs,
-                com.android.internal.R.styleable.Preference, defStyle, 0);
+        final TypedArray a = context.obtainStyledAttributes(
+                attrs, com.android.internal.R.styleable.Preference, defStyleAttr, defStyleRes);
         for (int i = a.getIndexCount(); i >= 0; i--) {
             int attr = a.getIndex(i); 
             switch (attr) {
@@ -281,6 +284,30 @@ public class Preference implements Comparable<Preference> {
             mCanRecycleLayout = false;
         }
     }
+
+    /**
+     * Perform inflation from XML and apply a class-specific base style. This
+     * constructor of Preference allows subclasses to use their own base style
+     * when they are inflating. For example, a {@link CheckBoxPreference}
+     * constructor calls this version of the super class constructor and
+     * supplies {@code android.R.attr.checkBoxPreferenceStyle} for
+     * <var>defStyleAttr</var>. This allows the theme's checkbox preference
+     * style to modify all of the base preference attributes as well as the
+     * {@link CheckBoxPreference} class's attributes.
+     *
+     * @param context The Context this is associated with, through which it can
+     *            access the current theme, resources,
+     *            {@link SharedPreferences}, etc.
+     * @param attrs The attributes of the XML tag that is inflating the
+     *            preference.
+     * @param defStyleAttr An attribute in the current theme that contains a
+     *            reference to a style resource that supplies default values for
+     *            the view. Can be 0 to not look for defaults.
+     * @see #Preference(Context, AttributeSet)
+     */
+    public Preference(Context context, AttributeSet attrs, int defStyleAttr) {
+        this(context, attrs, defStyleAttr, 0);
+    }
     
     /**
      * Constructor that is called when inflating a Preference from XML. This is