Android Open Source - markj Jw Async Task

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License

The source code is released under:

GNU Lesser General Public License

Java Source Code

package com.markjmind.mobile.api.android.controller;
//from w  w  w . ja v  a  2s. c om
import android.annotation.SuppressLint;
import android.os.AsyncTask;
import android.os.Build;
import android.util.Log;

import com.markjmind.mobile.api.hub.Store;

/**
 * ???
 * @author ???
 * @phone 010-2898-7850
 * @email markjmind@gmail.com
 * @date 2014. 4. 30.
 */
public class JwAsyncTask extends AsyncTask<Object, Integer, Object>{
  private final static Store<JwAsyncTask> asyncTaskPool = new Store<JwAsyncTask>();
  private String taskKey;
  protected boolean isStop = false;
  
  
  public JwAsyncTask(String taskKey){
    this.taskKey = taskKey;
    this.isStop = false;
  }
  
  public String getTaskKey(){
    return taskKey;
  }
  
  public void stop(){
    isStop = true;
    removeTask();
    Log.e("JwViewer","Stop AsyncTask : "+taskKey);
  }
  
  @Override
  protected void onPreExecute() {
  }
  @Override
  protected void onProgressUpdate(Integer... values) {
  }
  @Override
  protected Object doInBackground(Object... params) {
    return true; 
  }
  @Override
  protected void onPostExecute(Object result) {
    if(isStop){
      return;
    }
    removeTask();
  }
  
  private void removeTask(){
    if(taskKey!=null){
      asyncTaskPool.remove(taskKey);
    }
  }
  
  public static void cancelTask(String taskKey){
    JwAsyncTask ref = asyncTaskPool.get(taskKey);
    if(ref!=null){
      ref.stop();
    }
  }
  
  @SuppressLint("NewApi") 
  public void excute(){
    cancelTask(taskKey);
    JwAsyncTask ref = new JwAsyncTask(taskKey);
    asyncTaskPool.add(taskKey, ref);
    
    if( Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ) {
      ref.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    } else {
      ref.execute();
    }
  }
}

Java Source Code List

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