Catching RemoteViews#apply() layout inflation exceptions in RemoteViewsAdapter (b7ffea69) · Commits · e / os / android_frameworks_base

core/java/android/widget/RemoteViewsAdapter.java

+65 −27

Original line number	Diff line number	Diff line
		@@ -53,6 +53,10 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		// This ensures that we don't stay continually bound to the service and that it can be destroyed
		// if we need the memory elsewhere in the system.
		private static final int sUnbindServiceDelay = 5000;

		// Default height for the default loading view, in case we cannot get inflate the first view
		private static final int sDefaultLoadingViewHeight = 50;

		// Type defs for controlling different messages across the main and worker message queues
		private static final int sDefaultMessageType = 0;
		private static final int sUnbindServiceMessageType = 1;
		@@ -386,21 +390,39 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback

		// Create a new loading view
		synchronized (mCache) {
		boolean customLoadingViewAvailable = false;

		if (mUserLoadingView != null) {
		// A user-specified loading view
		// Try to inflate user-specified loading view
		try {
		View loadingView = mUserLoadingView.apply(parent.getContext(), parent);
		loadingView.setTagInternal(com.android.internal.R.id.rowTypeId, new Integer(0));
		loadingView.setTagInternal(com.android.internal.R.id.rowTypeId,
		new Integer(0));
		layout.addView(loadingView);
		} else {
		customLoadingViewAvailable = true;
		} catch (Exception e) {
		Log.w(TAG, "Error inflating custom loading view, using default loading" +
		"view instead", e);
		}
		}
		if (!customLoadingViewAvailable) {
		// A default loading view
		// Use the size of the first row as a guide for the size of the loading view
		if (mFirstViewHeight < 0) {
		try {
		View firstView = mFirstView.apply(parent.getContext(), parent);
		firstView.measure(
		MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
		MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
		mFirstViewHeight = firstView.getMeasuredHeight();
		mFirstView = null;
		} catch (Exception e) {
		float density = mContext.getResources().getDisplayMetrics().density;
		mFirstViewHeight = (int)
		Math.round(sDefaultLoadingViewHeight * density);
		mFirstView = null;
		Log.w(TAG, "Error inflating first RemoteViews" + e);
		}
		}

		// Compose the loading view text
		@@ -937,6 +959,7 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback
		indexMetaData.isRequested = true;
		int typeId = indexMetaData.typeId;

		try {
		// Reuse the convert view where possible
		if (layout != null) {
		if (convertViewTypeId == typeId) {
		@@ -950,11 +973,26 @@ public class RemoteViewsAdapter extends BaseAdapter implements Handler.Callback

		// Otherwise, create a new view to be returned
		View newView = rv.apply(context, parent);
		newView.setTagInternal(com.android.internal.R.id.rowTypeId, new Integer(typeId));
		newView.setTagInternal(com.android.internal.R.id.rowTypeId,
		new Integer(typeId));
		layout.addView(newView);
		if (hasNewItems) loadNextIndexInBackground();

		return layout;

		} catch (Exception e){
		// We have to make sure that we successfully inflated the RemoteViews, if not
		// we return the loading view instead.
		Log.w(TAG, "Error inflating RemoteViews at position: " + position + ", using" +
		"loading view instead" + e);

		RemoteViewsFrameLayout loadingView = null;
		final RemoteViewsMetaData metaData = mCache.getMetaData();
		synchronized (metaData) {
		loadingView = metaData.createLoadingView(position, convertView, parent);
		}
		return loadingView;
		} finally {
		if (hasNewItems) loadNextIndexInBackground();
		}
		} else {
		// If the cache does not have the RemoteViews at this position, then create a
		// loading view and queue the actual position to be loaded in the background