diff options
Diffstat (limited to 'services/java/com/android/server/AppWidgetServiceImpl.java')
| -rw-r--r-- | services/java/com/android/server/AppWidgetServiceImpl.java | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/services/java/com/android/server/AppWidgetServiceImpl.java b/services/java/com/android/server/AppWidgetServiceImpl.java index 23f2fdd..df2e1aa 100644 --- a/services/java/com/android/server/AppWidgetServiceImpl.java +++ b/services/java/com/android/server/AppWidgetServiceImpl.java @@ -49,6 +49,7 @@ import android.util.Pair; import android.util.Slog; import android.util.TypedValue; import android.util.Xml; +import android.view.WindowManager; import android.widget.RemoteViews; import com.android.internal.appwidget.IAppWidgetHost; @@ -171,6 +172,7 @@ class AppWidgetServiceImpl { boolean mSafeMode; int mUserId; boolean mStateLoaded; + int mMaxWidgetBitmapMemory; // These are for debugging only -- widgets are going missing in some rare instances ArrayList<Provider> mDeletedProviders = new ArrayList<Provider>(); @@ -181,6 +183,14 @@ class AppWidgetServiceImpl { mPm = AppGlobals.getPackageManager(); mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); mUserId = userId; + computeMaximumWidgetBitmapMemory(); + } + + void computeMaximumWidgetBitmapMemory() { + WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE); + int height = wm.getDefaultDisplay().getRawHeight(); + int width = wm.getDefaultDisplay().getRawWidth(); + mMaxWidgetBitmapMemory = 4 * width * height; } public void systemReady(boolean safeMode) { @@ -806,6 +816,15 @@ class AppWidgetServiceImpl { if (appWidgetIds == null) { return; } + + int bitmapMemoryUsage = views.estimateMemoryUsage(); + if (bitmapMemoryUsage > mMaxWidgetBitmapMemory) { + throw new IllegalArgumentException("RemoteViews for widget update exceeds maximum" + + " bitmap memory usage (used: " + bitmapMemoryUsage + ", max: " + + mMaxWidgetBitmapMemory + ") The total memory cannot exceed that required to" + + " fill the device's screen once."); + } + if (appWidgetIds.length == 0) { return; } |