android studio change button color code example

Example 1: button style android studio

style="@style/Widget.AppCompat.Button"
style="@style/Widget.AppCompat.Button.Colored"
style="@style/Widget.AppCompat.Button.Borderless"
style="@style/Widget.AppCompat.Button.Borderless.Colored"

Example 2: 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 3: android studio change button color programmatically

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