android async

gistfile1.txt

public class StartActivity extends AppCompatActivity implements ResultHandleInterface {

 private ProgressBar mCycler;
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        new APITask(this).execute(place);

    }

    @Override
    public Boolean APIrun(String... params) {
    
       runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mCycler.setVisibility(View.VISIBLE);
            }
        });
        
        Boolean result = false;
        try {
            //TODO API request 
        } catch (IOException e) {
            //todo API network error
       
        }
        return result;
    }

    @Override
    public void APISuccess() {
        runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mCycler.setVisibility(View.INVISIBLE);
            }
        });
    }

    @Override
    public void APIFailed() {
          runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mCycler.setVisibility(View.INVISIBLE);
            }
        });
    }

    private class APITask extends AsyncTask<String, Integer, Boolean> {
        private ResultHandleInterface listenerLogin;

        public settingDataTask(ResultHandleInterface listener) {
            this.listenerLogin = listener;
        }

        @Override
        protected Boolean doInBackground(String... userCred) {
            boolean result = listenerLogin.APIrun(userCred);
            return result;
        }

        @Override
        protected void onProgressUpdate(Integer... progress) {

        }

        @Override
        protected void onPostExecute(Boolean result) {

            if (result) {
                listenerLogin.APISuccess();
            } else {
                listenerLogin.APIFailed();
            }

        }
    }

}