android - how to use on resume method()? -

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help me this, have button image should unselected,when click should selected if go next activity , if come should selected,if not selected before going next activity should unselected.how can have 32 buttons totally in activity 1.

dwn15=(button)findviewbyid(r.id.adultdwn15); dwn15.setonclicklistener(new view.onclicklistener() {       public void onclick(view view){         if(teeth[30]==0){            dwn15.setbackgroundresource(r.drawable.adultdwn15);                      teeth[30]=31;         }         else{            dwn15.setbackgroundresource(r.drawable.adultdwn15_pressed);                   teeth[30]=0;         }       }     });

try selector this:

<?xml version = "1.0" encoding = "utf-8" ?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_pressed="true" android:drawable="@drawable/selectable_image" /> <item android:state_focused="true" android:drawable="@drawable/selectable_image" /> <item android:state_selected = "true" android:drawable = "@drawable/selectable_image" /> <item android:drawable = "@drawable/default_image" /> </selector>

set selector in place of image button , on button click put button.setselected("true").


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