public static void setStatusBarColor(Activity activity, int statusColor) {
    Window window = activity.getWindow();
    window.clearFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
    window.addFlags(Integer.MIN_VALUE);
    window.setStatusBarColor(statusColor);
    window.getDecorView().setSystemUiVisibility(0);
    View mChildView = ((ViewGroup) window.findViewById(16908290)).getChildAt(0);
    if (mChildView != null) {
        ViewCompat.setOnApplyWindowInsetsListener(mChildView, new OnApplyWindowInsetsListener() {
            public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
                return insets;
            }
        });
        ViewCompat.setFitsSystemWindows(mChildView, true);
        ViewCompat.requestApplyInsets(mChildView);
    }
}
 

public static void translucentStatusBar(Activity activity, boolean hideStatusBarBackground) {
    Window window = activity.getWindow();
    window.addFlags(Integer.MIN_VALUE);
    if (hideStatusBarBackground) {
        window.clearFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
        window.setStatusBarColor(0);
        window.getDecorView().setSystemUiVisibility(FimiAppContext.UI_HEIGHT);
    } else {
        window.addFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
        window.getDecorView().setSystemUiVisibility(0);
    }
    View mChildView = ((ViewGroup) window.findViewById(16908290)).getChildAt(0);
    if (mChildView != null) {
        ViewCompat.setOnApplyWindowInsetsListener(mChildView, new OnApplyWindowInsetsListener() {
            public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
                return insets;
            }
        });
        ViewCompat.setFitsSystemWindows(mChildView, false);
        ViewCompat.requestApplyInsets(mChildView);
    }
}
 

public static void setStatusBarColorForCollapsingToolbar(Activity activity, AppBarLayout appBarLayout, CollapsingToolbarLayout collapsingToolbarLayout, Toolbar toolbar, int statusColor) {
    Window window = activity.getWindow();
    window.clearFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
    window.addFlags(Integer.MIN_VALUE);
    window.setStatusBarColor(0);
    window.getDecorView().setSystemUiVisibility(0);
    View mChildView = ((ViewGroup) window.findViewById(16908290)).getChildAt(0);
    if (mChildView != null) {
        ViewCompat.setOnApplyWindowInsetsListener(mChildView, new OnApplyWindowInsetsListener() {
            public WindowInsetsCompat onApplyWindowInsets(View v, WindowInsetsCompat insets) {
                return insets;
            }
        });
        ViewCompat.setFitsSystemWindows(mChildView, true);
        ViewCompat.requestApplyInsets(mChildView);
    }
    ((View) appBarLayout.getParent()).setFitsSystemWindows(true);
    appBarLayout.setFitsSystemWindows(true);
    collapsingToolbarLayout.setFitsSystemWindows(true);
    collapsingToolbarLayout.getChildAt(0).setFitsSystemWindows(true);
    toolbar.setFitsSystemWindows(false);
    collapsingToolbarLayout.setStatusBarScrimColor(statusColor);
}
 

private static void setWindowInsets(final View mainLayout,
		final Rect windowInsets) {
	ViewCompat.setOnApplyWindowInsetsListener(mainLayout, new OnApplyWindowInsetsListener() {
		@Override
		public WindowInsetsCompat onApplyWindowInsets(View v,
				WindowInsetsCompat insets) {
			if (insets.hasSystemWindowInsets()) {
				int left = insets.getSystemWindowInsetLeft();
				int top = insets.getSystemWindowInsetTop();
				int right = insets.getSystemWindowInsetRight();
				int bottom = insets.getSystemWindowInsetBottom();
				mainLayout.setPadding(left, top, right, bottom);
				if (windowInsets != null) {
					windowInsets.set(left, top, right, bottom);
				}
			}
			return insets.consumeSystemWindowInsets();
		}
	});
}