Refactor to coupler/presenter pattern. Moved framework classes to correct packages
Bug:2579760
Change-Id: Ia0c475e55830aa2d8b13cdb2685fc0981b6f6ade
diff --git a/src/android/app/patterns/AsyncTaskLoader.java b/src/android/app/patterns/AsyncTaskLoader.java
new file mode 100644
index 0000000..01b3e24
--- /dev/null
+++ b/src/android/app/patterns/AsyncTaskLoader.java
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package android.app.patterns;
+
+import android.content.Context;
+import android.os.AsyncTask;
+
+/**
+ * Abstract Loader that provides an {@link AsyncTask} to do the work.
+ *
+ * @param <D> the data type to be loaded.
+ */
+public abstract class AsyncTaskLoader<D> extends Loader<D> {
+ final class LoadListTask extends AsyncTask<Void, Void, D> {
+ /* Runs on a worker thread */
+ @Override
+ protected D doInBackground(Void... params) {
+ return AsyncTaskLoader.this.loadInBackground();
+ }
+
+ /* Runs on the UI thread */
+ @Override
+ protected void onPostExecute(D data) {
+ AsyncTaskLoader.this.onLoadComplete(data);
+ }
+ }
+
+ public AsyncTaskLoader(Context context) {
+ super(context);
+ }
+
+ /**
+ * Called on a worker thread to perform the actual load. Implementions should not deliver the
+ * results directly, but should return them from this this method and deliver them from
+ * {@link #onPostExecute()}
+ *
+ * @return the result of the load
+ */
+ protected abstract D loadInBackground();
+
+ /**
+ * Called on the UI thread with the result of the load.
+ *
+ * @param data the result of the load
+ */
+ protected abstract void onLoadComplete(D data);
+}