Cap widget bitmap usage by screen size (issue 6464700)

Change-Id: I04e16223861a88d40ad757afa086a0f92e84493b

2 files changed, 10 insertions, 1 deletions

diff --git a/core/java/android/appwidget/AppWidgetManager.java b/core/java/android/appwidget/AppWidgetManager.java
index 7a8c1fb..3aa5181 100644
--- a/core/java/android/appwidget/AppWidgetManager.java
+++ b/core/java/android/appwidget/AppWidgetManager.java
@@ -320,6 +320,10 @@ public class AppWidgetManager {
      * It is okay to call this method both inside an {@link #ACTION_APPWIDGET_UPDATE} broadcast,
      * and outside of the handler.
      * This method will only work when called from the uid that owns the AppWidget provider.
+     * 
+     * <p>
+     * The total Bitmap memory used by the RemoteViews object cannot exceed that required to
+     * fill the screen once, ie. (screen width x screen height x 4) bytes.
      *
      * @param appWidgetIds     The AppWidget instances for which to set the RemoteViews.
      * @param views         The RemoteViews object to show.
@@ -385,6 +389,10 @@ public class AppWidgetManager {
      * and outside of the handler.
      * This method will only work when called from the uid that owns the AppWidget provider.
      *
+     * <p>
+     * The total Bitmap memory used by the RemoteViews object cannot exceed that required to
+     * fill the screen once, ie. (screen width x screen height x 4) bytes.
+     *
      * @param appWidgetId      The AppWidget instance for which to set the RemoteViews.
      * @param views         The RemoteViews object to show.
      */
diff --git a/core/java/android/widget/RemoteViews.java b/core/java/android/widget/RemoteViews.java
index 56c4bd8..51c957a 100644
--- a/core/java/android/widget/RemoteViews.java
+++ b/core/java/android/widget/RemoteViews.java
@@ -1445,7 +1445,8 @@ public class RemoteViews implements Parcelable, Filter {
     /**
      * Returns an estimate of the bitmap heap memory usage for this RemoteViews.
      */
-    int estimateMemoryUsage() {
+    /** @hide */
+    public int estimateMemoryUsage() {
         return mMemoryUsageCounter.getMemoryUsage();
     }