Android知识点_移动开发_编程开发_程序员俱乐部

The following setting avoids an class="wordasword">activity restart incase of orientation changes or position of the physical keyboard (hidden / visible).

<activity android:name=".ProgressTestActivity"
     android:label="@string/app_name"
     android:configChanges="orientation|keyboardHidden|keyboard">
</activity>