allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

AsyncTask<String, Void, String> ExAsyncTask = new AsyncTask<String, Void, String>() {
        @Override
        protected String doInBackground(String... strings) {


            String content = HttpMhUtils.DownLoadContent(strings[0]);

            Log.i(TAG, "doInBackground: content:"+content);
            return content;
        }

        @Override
        protected void onPostExecute(String content) {

            contentTextView.setText(content);
        }
    };