In Android Lollipop have ability to change the color of status bar in your app for a more immersive user experience and in tune with Google's Material Design Guidelines.
window.setStatusBarColor method introduced in API level 21
Programatically
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
Window window = getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.BLUE);
}
style.xml
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light">
<item name="colorPrimary">@color/color_primary</item>
<item name="colorPrimaryDark">@color/color_secondary</item>
<item name="colorAccent">@color/color_accent</item>
<item name="android:statusBarColor">@color/color_primary</item>
</style>
</resources>
