 <p>try this code: write this code in your manifest</p> <pre><code> &lt;activity android:name="Activity1" android:theme="@style/AppTheme1" /&gt; </code></pre> <p>for another activity</p> <pre><code>&lt;activity android:name="Activity2" android:theme="@style/AppTheme2" /&gt; </code></pre>