I found that you have specified android:radius in , which only takes effects starting from API Level 23. The ripple effect in the ripple_timer.xml will be affected.
Plus, I found you referred ripple_time in android:foreground of . For your information, android:foreground cannot be used in android:foreground at API Level < 23. You may change to another attribute like android:tint.
I found that you have specified android:radius in, which only takes effects starting from API Level 23. The ripple effect in the ripple_timer.xml will be affected.
Plus, I found you referred ripple_time in android:foreground of. For your information, android:foreground cannot be used in android:foreground at API Level < 23. You may change to another attribute like android:tint.