onPause() and onStop() in Activity

Question

I am new to Android development and I am still not able to understand the onPause() and onStop() methods in an activity.

In my app, I have

Answer 1

The differences between when onPause() and onStop() are called can be pretty subtle. However, as explained here, onPause() will usually get executed when another activity takes focus (maybe as a pop up, or transparent window) while the current activity is still running. If you navigate away from the app completely (for example, by hitting the home button), the activity is no longer visible and the system may execute onStop(). I only say may because, as Alex mentioned, there are some cases where onStop doesn't get called before the Activity is destroyed.