Which of the following is an Android class for the playback of sound?

how can you check if your activity is first on stack ?

Correct argument passed in the Array.sort() function

Which method can be called to destroy an activity?

Which one runs in a separate thread?

What does this layout show?

Which method sets the layout for the activity?

Which object can be used to display a pop-up message?

Correct location of the menu resource file?

Which of the following are true for intent?

Which are correct about Intent filter?