Suppose Screen1 is the main screen of an Android application MyAndroid. Now if another screen, Screen2 has to be opened from Screen1, then which of the following are true?

Which one to display a progress bar in an Android application?

One can declare a logical parent '.MainActivity' to < activity > by adding the following line in the respective < activity > in AndroidManifest.xml.

Which lifecycle methods are common to both Activity and Fragment?

Which statement converts the Object into String?

Which is not an activity lifecycle method?

AsyncTask methods can run on the UI thread, but one of them doesn't run on this UI thread, which one?

Which method can get the context tied to the lifecycle of the entire application ?

Is it possible to update this textView as follows ? new Thread(new Runnable() { @Override public void run() { textView.setText('Hello World'); } }).start();

invalidateOptionsMenu() method of ActionBarActivity calls:

Codename of the latest Android platform?