Android: ViewProperty Animator is not working on 3.0 emulator
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I've used some Viewproperty animation in my application. Once it compile on android 3.0 tablet its working fine, if run on 3.0 emulator application crashes and its showing error on logcat.

**Code:** 

    ImageButton home = (ImageButton)findViewById(R.id.Home);
    home.animate().setDuration(200);
    smmslogo.animate().alpha(1);

**Error:**

    java.lang.NullPointerException
    at android.view.ViewPropertyAnimator.animatePropertyBy

can anyone help me?