Is there an on end event where I can free up drawable resources in android? -

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in android app, use imageview's show images. want free when activity ends. read somewhere can use imgview.setimagedrawable(null); free up. when activity ends. there function on destroy or on end can override can free there?

thanks

actually there ondestroy in activity, don't need null drawables unless introduced memory leak somewhere else in code.


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