Clean up CalendarView docs and annotations

Change-Id: Ie086af87b4113ef83d07370eb2b25fd7530a8781

1 files changed, 28 insertions, 26 deletions

diff --git a/core/java/android/widget/CalendarView.java b/core/java/android/widget/CalendarView.java
index 2aaa356cb00a..cde7604b7e7c 100644
--- a/core/java/android/widget/CalendarView.java
+++ b/core/java/android/widget/CalendarView.java
@@ -16,8 +16,11 @@
 
 package android.widget;
 
+import android.annotation.AttrRes;
 import android.annotation.ColorInt;
 import android.annotation.DrawableRes;
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.StyleRes;
 import android.annotation.Widget;
 import android.content.Context;
@@ -37,9 +40,13 @@ import java.util.Locale;
 import java.util.TimeZone;
 
 /**
- * This class is a calendar widget for displaying and selecting dates. The range
- * of dates supported by this calendar is configurable. A user can select a date
- * by taping on it and can scroll and fling the calendar to a desired date.
+ * This class is a calendar widget for displaying and selecting dates. The
+ * range of dates supported by this calendar is configurable.
+ * <p>
+ * The exact appearance and interaction model of this widget may vary between
+ * OS versions and themes (e.g. Holo versus Material), but in general a user
+ * can select a date by tapping on it and can scroll or fling the calendar to a
+ * desired date.
  *
  * @attr ref android.R.styleable#CalendarView_showWeekNumber
  * @attr ref android.R.styleable#CalendarView_firstDayOfWeek
@@ -77,22 +84,24 @@ public class CalendarView extends FrameLayout {
          * @param month The month that was set [0-11].
          * @param dayOfMonth The day of the month that was set.
          */
-        public void onSelectedDayChange(CalendarView view, int year, int month, int dayOfMonth);
+        void onSelectedDayChange(@NonNull CalendarView view, int year, int month, int dayOfMonth);
     }
 
-    public CalendarView(Context context) {
+    public CalendarView(@NonNull Context context) {
         this(context, null);
     }
 
-    public CalendarView(Context context, AttributeSet attrs) {
+    public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs) {
         this(context, attrs, R.attr.calendarViewStyle);
     }
 
-    public CalendarView(Context context, AttributeSet attrs, int defStyleAttr) {
+    public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs,
+            @AttrRes int defStyleAttr) {
         this(context, attrs, defStyleAttr, 0);
     }
 
-    public CalendarView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
+    public CalendarView(@NonNull Context context, @Nullable AttributeSet attrs,
+            @AttrRes int defStyleAttr, @StyleRes int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
 
         final TypedArray a = context.obtainStyledAttributes(
@@ -322,7 +331,7 @@ public class CalendarView extends FrameLayout {
      *
      * @attr ref android.R.styleable#CalendarView_weekDayTextAppearance
      */
-    public void setWeekDayTextAppearance(int resourceId) {
+    public void setWeekDayTextAppearance(@StyleRes int resourceId) {
         mDelegate.setWeekDayTextAppearance(resourceId);
     }
 
@@ -333,7 +342,7 @@ public class CalendarView extends FrameLayout {
      *
      * @attr ref android.R.styleable#CalendarView_weekDayTextAppearance
      */
-    public int getWeekDayTextAppearance() {
+    public @StyleRes int getWeekDayTextAppearance() {
         return mDelegate.getWeekDayTextAppearance();
     }
 
@@ -344,7 +353,7 @@ public class CalendarView extends FrameLayout {
      *
      * @attr ref android.R.styleable#CalendarView_dateTextAppearance
      */
-    public void setDateTextAppearance(int resourceId) {
+    public void setDateTextAppearance(@StyleRes int resourceId) {
         mDelegate.setDateTextAppearance(resourceId);
     }
 
@@ -355,7 +364,7 @@ public class CalendarView extends FrameLayout {
      *
      * @attr ref android.R.styleable#CalendarView_dateTextAppearance
      */
-    public int getDateTextAppearance() {
+    public @StyleRes int getDateTextAppearance() {
         return mDelegate.getDateTextAppearance();
     }
 
@@ -552,36 +561,29 @@ public class CalendarView extends FrameLayout {
         int getShownWeekCount();
 
         void setSelectedWeekBackgroundColor(@ColorInt int color);
-        @ColorInt
-        int getSelectedWeekBackgroundColor();
+        @ColorInt int getSelectedWeekBackgroundColor();
 
         void setFocusedMonthDateColor(@ColorInt int color);
-        @ColorInt
-        int getFocusedMonthDateColor();
+        @ColorInt int getFocusedMonthDateColor();
 
         void setUnfocusedMonthDateColor(@ColorInt int color);
-        @ColorInt
-        int getUnfocusedMonthDateColor();
+        @ColorInt int getUnfocusedMonthDateColor();
 
         void setWeekNumberColor(@ColorInt int color);
-        @ColorInt
-        int getWeekNumberColor();
+        @ColorInt int getWeekNumberColor();
 
         void setWeekSeparatorLineColor(@ColorInt int color);
-        @ColorInt
-        int getWeekSeparatorLineColor();
+        @ColorInt int getWeekSeparatorLineColor();
 
         void setSelectedDateVerticalBar(@DrawableRes int resourceId);
         void setSelectedDateVerticalBar(Drawable drawable);
         Drawable getSelectedDateVerticalBar();
 
         void setWeekDayTextAppearance(@StyleRes int resourceId);
-        @StyleRes
-        int getWeekDayTextAppearance();
+        @StyleRes int getWeekDayTextAppearance();
 
         void setDateTextAppearance(@StyleRes int resourceId);
-        @StyleRes
-        int getDateTextAppearance();
+        @StyleRes int getDateTextAppearance();
 
         void setMinDate(long minDate);
         long getMinDate();