android scaleAniamtion display wrong position

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I have the image, and use scaleAnimation to this:

ScaleAnimation anim = new ScaleAnimation(1, 2, 1, 2, 50, 50);
                    // anim.setFillAfter(true);
                    anim.setDuration(800);
                    imgAlpha.startAnimation(anim);

Run normally. the problem appear when before run animation, I set position of this image to new position:

imgAlpha.setY(-dimmerHeight / 2);

then when image zoom, it move position immedially to other position, not original position. I do not know why. please help me

asked 1 min ago

kemdo

177

android scaleAniamtion display wrong position