java - Frame Animation Not Running -


i have tried every sample of code can find defines , runs frame animation, imageview never changes. original image in imageview stays.

edit: after many days of trial , error, ran apk on phone instead of emulator. works on phone, reason not on emulator.

i not clear why can't start animations oncreate thread, need posted whatever thread handler of view created on.

@override public void oncreate(bundle savedinstancestate) {     super.oncreate(savedinstancestate);     setcontentview(r.layout.main);     final imageview view = (imageview) findviewbyid(r.id.shell);     view.setvisibility(imageview.visible);     view.setbackgroundresource(r.drawable.animation_frame);      view.post(new runnable(){        public void run(){         animationdrawable frameanimation =  (animationdrawable) view.getbackground();         frameanimation.start();       }     });    } }

i have no idea why need do.

edit:here snippets working project should need...

in java in oncreate: 

final imageview image1 =  (imageview) v.findviewbyid(r.id.coin1); image1.post(new runnable() {          @override         public void run() {             animationdrawable ani = (animationdrawable) image1.getbackground();             ani.start();         }     });

in xml layout:

        <imageview android:layout_width="wrap_content"         android:layout_height="wrap_content"         android:background="@drawable/coin"         android:id="@+id/coin1"/>

coin xml:

<animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:oneshot="false">     <item android:drawable="@drawable/coin_spin_a" android:duration="100"/>     <item android:drawable="@drawable/coin_spin_b" android:duration="100"/>     <item android:drawable="@drawable/coin_spin_c" android:duration="100"/>     <item android:drawable="@drawable/coin_spin_d" android:duration="100"/>     <item android:drawable="@drawable/coin_spin_e" android:duration="100"/>     <item android:drawable="@drawable/coin_spin_f" android:duration="100"/> </animation-list>

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