<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here -->
<item name="colorPrimary">#3F51B5</item>
<item name="colorPrimaryDark">#303F9F</item>
<item name="colorAccent">#FF4081</item>
</style>
<activity
android:name=".MainActivity"
android:theme="@style/AppTheme">
<!-- ... -->
</activity>
public class MainActivity extends AppCompatActivity {
// ...
}
