Android Studio不断收到“错误：（60,12）错误：方法不会覆盖或实现超类型中的方法”

I keep getting this error "Error:(60, 12) error: method does not override or implement a method from a supertype" on my last 2 @Overrides im not sure where i went wrong, any help would be helpful. I added the Button billspliting and everything then when to poop. I try to build the APK but I keep getting the two over ride errors.I keep getting this error "Error:(60, 12) error