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I'm animating 20 images using Animation Drawable,i set up an XML layout in my drawable folder containing the images and animation duration, and a JAVA class that contains the commands. I tried a lot to find the errors, i reduce the size of my images but still won't work, until I saw one line on my java class that has an Red Exclamation mark on the line code.

imageViews.setBackgroundResource(R.drawable.anim_intro_wholenum);

below is my java class, the RED EXCLAMATION MARK on the left is what i'm talking about. I can't find any dialogue to show what's the problem, I try Alt + Enter but nothing shows. i'm sure it's indicating the Line #31 of my code. I try to remove the line # 31 and run my app, and the activity is working, but there is no setBackgroundResource so there's nothing to touch and animate. Can anyone help me? i'm having a hard time on this. thank you

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First, you should use OnClickListener instead of calling onTouchListener which will call x2 times on animation.start.

Second, here are some useful links you can use:

similaier questions: Link 1 Link 2 Android animation docs: Link 3

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still not working sir, it says expected source of type is drawable

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