Android AsyncTask Example

Android AsyncTask Example.md

Android AsyncTask Example

1. new GetDataTask().execute();

private class GetDataTask extends AsyncTask<Void, Void, String[]> {

	@Override
	protected String[] doInBackground(Void... params) {
		// Simulates a background job.
		try {
			Thread.sleep(2000);
		} catch (InterruptedException e) {
		}
		return mChildStrings;
	}

	@Override
	protected void onPostExecute(String[] result) {
		Map<String, String> newMap = new HashMap<String, String>();
		newMap.put(KEY, "Added after refresh...");
		groupData.add(newMap);

		List<Map<String, String>> childList = new ArrayList<Map<String, String>>();
		for (String string : mChildStrings) {
			Map<String, String> childMap = new HashMap<String, String>();
			childMap.put(KEY, string);
			childList.add(childMap);
		}
		childData.add(childList);

		mAdapter.notifyDataSetChanged();

		// Call onRefreshComplete when the list has been refreshed.
		mPullRefreshListView.onRefreshComplete();

		super.onPostExecute(result);
	}
}