@Override
public void onDestroy() {
super.onDestroy();
// Remove all pending runnables
mHandler.removeMessages(ADVANCE_MSG);
mHandler.removeMessages(0);
mWorkspace.removeCallbacks(mBuildLayersRunnable);
// Stop callbacks from LauncherModel
LauncherAppState app = (LauncherAppState.getInstance());
// It's possible to receive onDestroy after a new Launcher activity has
// been created. In this case, don't interfere with the new Launcher.
if (mModel.isCurrentCallbacks(this)) {
mModel.stopLoader();
app.setLauncher(null);
}
try {
mAppWidgetHost.stopListening();
} catch (NullPointerException ex) {
Log.w(TAG, "problem while stopping AppWidgetHost during Launcher destruction", ex);
}
mAppWidgetHost = null;
mWidgetsToAdvance.clear();
TextKeyListener.getInstance().release();
unregisterReceiver(mCloseSystemDialogsReceiver);
mDragLayer.clearAllResizeFrames();
((ViewGroup) mWorkspace.getParent()).removeAllViews();
mWorkspace.removeAllWorkspaceScreens();
mWorkspace = null;
mDragController = null;
LauncherAnimUtils.onDestroyActivity();
if (mLauncherCallbacks != null) {
mLauncherCallbacks.onDestroy();
}
}
Launcher.java 文件源码
java
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