how to set status bar background as gradient color or a drawable in android

For some one who want to set gradient color to status bar background you can use following method in your activity before setContentView()

 @TargetApi(Build.VERSION_CODES.LOLLIPOP)    public static void setStatusBarGradiant(Activity activity) {        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {            Window window = activity.getWindow();            Drawable background = activity.getResources().getDrawable(R.drawable.gradient_theme);            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);            window.setStatusBarColor(activity.getResources().getColor(android.R.color.transparent));            window.setNavigationBarColor(activity.getResources().getColor(android.R.color.transparent));            window.setBackgroundDrawable(background);        }    } 

Thanks every one for your help

EDIT

If the above code don't work, try to add this in your styles.xml:

<style name="AppTheme.NoActionBar">    <!-- Customize your theme here. -->    <item name="windowActionBar">false</item>    <item name="windowNoTitle">true</item></style>

an extension to the sushant's answer since getColor is deprecated and in kotlin language.

@RequiresApi(Build.VERSION_CODES.LOLLIPOP)fun backGroundColor() {    window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS)    window.statusBarColor = ContextCompat.getColor(this, android.R.color.transparent)    window.navigationBarColor = ContextCompat.getColor(this, android.R.color.transparent)    window.setBackgroundDrawableResource(R.drawable.ic_drawable_vertical_background)}

The idea is to make transparent status bar and setting a background to the whole window which will also cover the status bar in the same background.

Here how you do it without any Java code,

Gradient drawable file drawable/bg_toolbar.xml

<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android">    <gradient        android:type="linear"        android:angle="0"        android:startColor="#11998e"        android:endColor="#38ef7d" /></shape>

add this in your values/style.xml

<item name="android:windowBackground">@drawable/bg_toolbar</item><item name="toolbarStyle">@style/Widget.Toolbar</item><item name="android:statusBarColor">#00000000</item>

make a new file for your toolbar Gradient values/toolbar.xml

<?xml version="1.0" encoding="utf-8"?><resources>    <style name="Widget.Toolbar" parent="@style/Widget.AppCompat.Toolbar">        <item name="contentInsetStart">0dp</item>        <item name="android:background">@drawable/bg_toolbar</item>    </style></resources> 

Edit: Add background android:background="#ffffff" in your Activity Layout file.