Prevent Memory Leak In Android

I'm having some troubles with memory leaks on Android. I do have a simple application with a relatively picture as background and it works fine, until I change the orientation.

Solution 1:

You could try to avoid reload your activity with this in your manifest under your activity:

android:configChanges="orientation|screenSize"

Solution 2:

I've managed to solve the problem.
It was all because of a damn timer which was setting a tick event on every screen orientation change.
To fix the issue I simply binded the timer to a variable, and called timer.cancel() in onSaveInstance()

Now my memory leaks are gone (as shown below):