in my android project i use many asynTask in on activity. i need the code that stop asynTask when i start other asynTask . i was use myAsynTask.cancel(true); in my android project. but it does stop the asynTask.i try many time but sill don't work.

protected String doInBackground(String... args) {

        HashMap<String, String> params = new HashMap<>();
        params.put("id", args[0]);

        Log.d("get value: ", params.toString());

        JSONObject json = jParser.makeHttpRequest(url_comment, "GET", params);

        Log.d("All matches: ", json.toString());
        
        if(isCancelled()) {
            finish();
        }
        else {

            try {

                int success = json.getInt(TAG_SUCCESS);
                if (success == 1) {

                    JSONmatches = json.getJSONArray(TAG_vedio);

                    for (int i = 0; i < JSONmatches.length(); i++) {
                        JSONObject c = JSONmatches.getJSONObject(i);

                        String title = c.getString(TAG_title);
                        String url = c.getString(TAG_url);

                        HashMap<String, String> map = new HashMap<String, String>();

                        map.put(TAG_title, title);
                        map.put(TAG_url, url);

                        arrayList22.add(map);
                    }
                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
        return null;
    }

plz help me.