android studio android studio change app bar text color code example

Example 1: android studio change button color programmatically

// If you're in an activity:
Button11.setBackgroundColor(getResources().getColor(R.color.red));
// OR, if you're not: 
Button11.setBackgroundColor(Button11.getContext().getResources().getColor(R.color.red));

Example 2: statusbar text color android

getWindow().getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);//  set status text dark

getWindow().setStatusBarColor(ContextCompat.getColor(MainActivity.this,R.color.colorPrimaryDark));// set status background white