android - ImageView setBackgroundRessource not update even with inflate -
i'm trying update imageview gridview border, doing have xml file works : <?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item> <shape android:shape="rectangle"> <solid android:color="#158cdb" /> </shape> </item> <item android:left="3dp" android:right="3dp" android:top="3dp" android:bottom="3dp"> <shape android:shape="rectangle"> <solid android:color="#ffffff" /> </shape> </item> </layer-list> so launch activity, timer launched , after 15 secondes, try update imageview, tried code : public void highlightfooditem(int id) { imageadapter ia = (imageadapter) _grid.getadapter(); (int = 0; < ia.getcount(); i++) { view currentview