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Cant change button color when app run android studio

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));

Android studio change button color programmatically

Button11.setBackgroundColor(0xFFFF0000); // 0xAARRGGBB

Cant change button color when app run android studio

replace <Button with <androidx.appcompat.widget.AppCompatButton

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