Java Code Examples for android.os.AsyncTask#cancel()

The following examples show how to use android.os.AsyncTask#cancel() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: LocationPickerActivity.java    From LocationPicker with MIT License 6 votes vote down vote up 
private void getAddressByGeoCodingLatLng() {

        //Get string address by geo coding from lat long
        if (mLatitude != 0 && mLongitude != 0) {

            if (MapUtility.popupWindow != null && MapUtility.popupWindow.isShowing()) {
                MapUtility.hideProgress();
            }

            Log.d(TAG, "getAddressByGeoCodingLatLng: START");
            //Cancel previous tasks and launch this one
            for (AsyncTask prevTask : filterTaskList) {
                prevTask.cancel(true);
            }

            filterTaskList.clear();
            GetAddressFromLatLng asyncTask = new GetAddressFromLatLng();
            filterTaskList.add(asyncTask);
            asyncTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, mLatitude, mLongitude);
        }
    }
Example 2
Source File: SearchBookContentsActivity.java    From weex with Apache License 2.0 5 votes vote down vote up 
@Override
protected void onPause() {
  AsyncTask<?,?,?> oldTask = networkTask;
  if (oldTask != null) {
    oldTask.cancel(true);
    networkTask = null;
  }
  super.onPause();
}
Example 3
Source File: BaseBlurEngine.java    From EtsyBlur with Apache License 2.0 5 votes vote down vote up 
@CallSuper
@Override
public void destroy() {
    for (AsyncTask asyncTask : asyncTasks) {
        asyncTask.cancel(true);
    }
    asyncTasks.clear();
}
Example 4
Source File: InactivityTimer.java    From Android with MIT License 5 votes vote down vote up 
private synchronized void cancel() {
	AsyncTask<?, ?, ?> task = inactivityTask;
	if (task != null) {
		task.cancel(true);
		inactivityTask = null;
	}
}
Example 5
Source File: AppPickerActivity.java    From zxingfragmentlib with Apache License 2.0 5 votes vote down vote up 
@Override
protected void onPause() {
  AsyncTask<?,?,?> task = backgroundTask;
  if (task != null) {
    task.cancel(true);
    backgroundTask = null;
  }
  super.onPause();
}
Example 6
Source File: SearchBookContentsActivity.java    From barcodescanner-lib-aar with MIT License 5 votes vote down vote up 
@Override
protected void onPause() {
  AsyncTask<?,?,?> oldTask = networkTask;
  if (oldTask != null) {
    oldTask.cancel(true);
    networkTask = null;
  }
  super.onPause();
}
Example 7
Source File: SearchBookContentsActivity.java    From zxingfragmentlib with Apache License 2.0 5 votes vote down vote up 
@Override
protected void onPause() {
  AsyncTask<?,?,?> oldTask = networkTask;
  if (oldTask != null) {
    oldTask.cancel(true);
    networkTask = null;
  }
  super.onPause();
}
Example 8
Source File: BaseActivity.java    From Simpler with Apache License 2.0 5 votes vote down vote up 
/**
 * 如果任务未执行完毕，则取消任务
 *
 * @param clazz Activity Class
 */
public void unregisterAsyncTask(Class<? extends BaseActivity> clazz) {
    ArrayList<AsyncTask> tasks = new ArrayList<>(mTasks.removeAll(clazz));
    int size = tasks.size();
    if (size > 0) {
        for (int i = 0; i < size; i++) {
            AsyncTask task = tasks.get(i);
            //you may call the cancel() method but if it is not handled in doInBackground() method
            if (task != null && task.getStatus() != AsyncTask.Status.FINISHED) {
                task.cancel(true);
            }
        }
    }
}
Example 9
Source File: NetworkTaskManager.java    From CineLog with GNU General Public License v3.0 5 votes vote down vote up 
void cancelTasks() {
    for (AsyncTask task : taskList) {
        task.cancel(true);
    }

    taskList.clear();
}
Example 10
Source File: SearchBookContentsActivity.java    From Study_Android_Demo with Apache License 2.0 5 votes vote down vote up 
private void launchSearch() {
  String query = queryTextView.getText().toString();
  if (query != null && !query.isEmpty()) {
    AsyncTask<?,?,?> oldTask = networkTask;
    if (oldTask != null) {
      oldTask.cancel(true);
    }
    networkTask = new NetworkTask();
    networkTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, query, isbn);
    headerView.setText(R.string.msg_sbc_searching_book);
    resultListView.setAdapter(null);
    queryTextView.setEnabled(false);
    queryButton.setEnabled(false);
  }
}
Example 11
Source File: AppPickerActivity.java    From ZXing-Standalone-library with Apache License 2.0 5 votes vote down vote up 
@Override
protected void onPause() {
  AsyncTask<?,?,?> task = backgroundTask;
  if (task != null) {
    task.cancel(true);
    backgroundTask = null;
  }
  super.onPause();
}
Example 12
Source File: ManagedAsyncTask.java    From commcare-android with Apache License 2.0 5 votes vote down vote up 
/**
 * Call cancel on all tasks and then wipe the living task list.
 */
public static void cancelTasks() {
    synchronized (livingTasks) {
        for (AsyncTask task : livingTasks) {
            task.cancel(true);
        }
        livingTasks.clear();
    }
}
Example 13
Source File: InactivityTimer.java    From analyzer-of-android-for-Apache-Weex with Apache License 2.0 5 votes vote down vote up 
private synchronized void cancel() {
  AsyncTask<?,?,?> task = inactivityTask;
  if (task != null) {
    task.cancel(true);
    inactivityTask = null;
  }
}
Example 14
Source File: InactivityTimer.java    From appinventor-extensions with Apache License 2.0 5 votes vote down vote up 
private synchronized  void cancel() {
  AsyncTask<?,?,?> task = inactivityTask;
  if (task != null) {
    task.cancel(true);
    inactivityTask = null;
  }
}
Example 15
Source File: InactivityTimerAssist.java    From DevUtils with Apache License 2.0 5 votes vote down vote up 
/**
 * 取消计时任务
 */
private synchronized void cancel() {
    AsyncTask<?, ?, ?> task = mInactivityTask;
    if (task != null) {
        task.cancel(true);
        // 重置为 null
        mInactivityTask = null;
    }
}
Example 16
Source File: InactivityTimer.java    From moVirt with Apache License 2.0 5 votes vote down vote up 
private synchronized void cancel() {
    AsyncTask<?, ?, ?> task = inactivityTask;
    if (task != null) {
        task.cancel(true);
        inactivityTask = null;
    }
}
Example 17
Source File: InactivityTimer.java    From zxingfragmentlib with Apache License 2.0 5 votes vote down vote up 
private synchronized void cancel() {
  AsyncTask<?,?,?> task = inactivityTask;
  if (task != null) {
    task.cancel(true);
    inactivityTask = null;
  }
}
Example 18
Source File: LocationPickerActivity.java    From LocationPicker with MIT License 5 votes vote down vote up 
@Override
protected void onDestroy() {
    super.onDestroy();
    for (AsyncTask task : filterTaskList) {
        task.cancel(true);
    }
}
Example 19
Source File: InactivityTimer.java    From AirFree-Client with GNU General Public License v3.0 5 votes vote down vote up 
private synchronized void cancel() {
    AsyncTask<?, ?, ?> task = inactivityTask;
    if (task != null) {
        task.cancel(true);
        inactivityTask = null;
    }
}
Example 20
Source File: ListViewFragment.java    From Header2ActionBar with Apache License 2.0 4 votes vote down vote up 
private void cancelAsyncTask(AsyncTask task) {
    if (task != null) task.cancel(false);
}