public static void changeStatusBarColor(Activity context, boolean change, int color){
if (Build.VERSION.SDK_INT >= 21)
{
Window window = context.getWindow();
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
if(change){
defaultStatusBarColor = window.getStatusBarColor();
window.setStatusBarColor(color);
}
else{
// reset
window.setStatusBarColor(defaultStatusBarColor);
}
}
}