How to show option menu using the following source on Samsung phone but cannot see it. How to fix it? try { ViewConfigurationconfig = ViewConfiguration.get(this); Field menuKeyField = ViewConfiguration.class .getDeclaredField("sHasPermanentMenuKey"); if (menuKeyField != null) { menuKeyField.setAccessible(true); menuKeyField.setBoolean(config, false); } } catch (Exception e) { e.printStackTrace(); }

What does mean by the following XML code? AndroidManifest.xml … …. …

What's the output? public class XYZ extends AsyncTask { @Override protected String doInBackground(String... params) { PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE); final WakeLockwl = pm.newWakeLock(PowerManager.SCREEN_BRIGHT_WAKE_LOCK |PowerManager.ACQUIRE_CAUSES_WAKEUP |PowerManager.ON_AFTER_RELEASE, ''''); wl.acquire(); return ''Executed''; } @Override protected void onPostExecute(String result) {} }

Which data type does AIDL support?

The 'showAsAction' attribute of in a menu resource file can have which of the following values?

Which file contains information about the app?

What is likely to cause the UI to behave sluggishly or crash while making network calls?

Which API should you use to bring the data over to the device asynchronously if you have a fragment which displays a ListViewContaining query results?

Which of these Activity lifecycle events is when the activity is about to become visible to the user from a hidden state?

Name of component used to display web pages in the application?

Correct way to get pass string in an Intent, where key and value are both string variables?