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commonsguy/SimpleAsyncTask.java

Created October 9, 2013 12:46
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  1. commonsguy created this gist Oct 9, 2013.
    48 changes: 48 additions & 0 deletions SimpleAsyncTask.java
    View file
    Original file line number Diff line number Diff line change
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    /***
    Copyright (c) 2013 CommonsWare, LLC
    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.
    From _The Busy Coder's Guide to Android Development_
    http://commonsware.com/Android
    */

    package com.commonsware.android.async;

    import android.annotation.TargetApi;
    import android.os.AsyncTask;
    import android.os.Build;

    abstract public class SimpleAsyncTask extends
    AsyncTask<Void, Void, Void> {
    abstract protected void doInBackground();

    abstract protected void onPostExecute();

    @Override
    final protected Void doInBackground(Void... unused) {
    doInBackground();

    return null;
    }

    @Override
    final protected void onPostExecute(Void unused) {
    onPostExecute();
    }

    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
    public SimpleAsyncTask execute() {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
    executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    return(this);
    }

    return (SimpleAsyncTask)(super.execute());
    }
    }