Which is the correct file in which you should request permissions that an app will use?

What feature of the Google Play Store allows developers to release pre-production builds to testers?

Which is considered best practice according to Google’s Android Development documentation?

The default action resultant when pressing the device back button is to pop the backstack. What is the backstack?

What is the purpose of the AppCompat library?

When does ANR occur?

Best way of opening camera as sub-activity?

Which widgets help to embed images in activities?

Using a content provider, which operations are able to perform? a) create b) read c) update d) delete

What's the output try {String token = GoogleAuthUtil.getToken(this, email, 'https://www.googleapis.com/auth/devstorage.read_only'); System.out.println(token); } catch (IOException e) { System.out.println('IOException'); } catch (UserRecoverableAuthException e) { System.out.println('UserRecoverableAuthException'); } catch (GoogleAuthException e) { System.out.println('GoogleAuthException'); }

What's the output? SensorManager mgr = (SensorManager) getSystemService(SENSOR_SERVICE); List sensors = mgr.getSensorList(Sensor.TYPE_ALL); for (Sensor sensor : sensors) { System.out.println(''''+sensor.getName()); }