Release Memory of Particular Activity when it is Destroyed

Question

I have a launcher Activity that load and resize big bitmap as it\'s background when it opens.

Whenever hit the back button, the Activity is

Answer 1

Finishing an Activity doesn't clear its memory. It only removes the Activity from its stack, Android will clear its memory when it needs memory (garbage collection),if you face memory issue from drawable,

• Reducing the drawable size may solve your problem.
• Insufficient memory in Android devices also leads to memory issues.