android app froze when received a call
<p>i a new programmer. i created an app and it works good. When i was playing in the app i got a call, did not answer and went back to application.</p>

<p>application froze, could not do ANYTHING in the app. Had to exit and restart the app.</p>

<p>how to avoid this problems.</p>

<p>pls anyone teach me</p>
