Fix issue #5418999: [From My Phone] - ANR when navigating back from OneUp view (421fa274) · Commits · e / os / android_frameworks_base

core/java/android/content/CursorLoader.java

+18 −4

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package android.content;
		import android.database.ContentObserver;
		import android.database.Cursor;
		import android.net.Uri;
		import android.os.AsyncTask;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		@@ -49,6 +50,19 @@ public class CursorLoader extends AsyncTaskLoader<Cursor> {

		Cursor mCursor;

		final static class CloseTask extends AsyncTask<Cursor, Void, Void> {
		@Override
		protected Void doInBackground(Cursor... params) {
		params[0].close();
		return null;
		}
		}

		static void closeAsync(Cursor cursor) {
		CloseTask closeTask = new CloseTask();
		closeTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, cursor);
		}

		/* Runs on a worker thread */
		@Override
		public Cursor loadInBackground() {
		@@ -76,7 +90,7 @@ public class CursorLoader extends AsyncTaskLoader<Cursor> {
		if (isReset()) {
		// An async query came in while the loader is stopped
		if (cursor != null) {
		cursor.close();
		closeAsync(cursor);
		}
		return;
		}
		@@ -88,7 +102,7 @@ public class CursorLoader extends AsyncTaskLoader<Cursor> {
		}

		if (oldCursor != null && oldCursor != cursor && !oldCursor.isClosed()) {
		oldCursor.close();
		closeAsync(oldCursor);
		}
		}

		@@ -148,7 +162,7 @@ public class CursorLoader extends AsyncTaskLoader<Cursor> {
		@Override
		public void onCanceled(Cursor cursor) {
		if (cursor != null && !cursor.isClosed()) {
		cursor.close();
		closeAsync(cursor);
		}
		}

		@@ -160,7 +174,7 @@ public class CursorLoader extends AsyncTaskLoader<Cursor> {
		onStopLoading();

		if (mCursor != null && !mCursor.isClosed()) {
		mCursor.close();
		closeAsync(mCursor);
		}
		mCursor = null;
		}