change status bar in android code example

Example 1: change status bar color android programmatically

public void statuscolor(){
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Window window = getWindow();
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
            window.setStatusBarColor(Color.parseColor(getPreferences().getString(Constant.SECONDARY_COLOR, Constant.SECONDARY_COLOR)));
        }
    }

Example 2: change status bar color android

// for my fellow react-native developers
// add this in styles.xml
<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.DayNight.NoActionBar">
        <!-- Customize your theme here. -->
        <item name="android:textColor">#000000</item>
        <item name="android:windowDisablePreview">true</item>
        <item name="android:windowBackground">#000000</item>
        <item name="android:colorBackground">#000000</item>
        <item name="android:statusBarColor">#000000</item>//<--add_this
    </style>

</resources>