Created
May 4, 2019 14:07
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For Medium article "Animate Everything! (Android Animation Showcase)"
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| override fun onDraw(canvas: Canvas) { | |
| canvas?.drawOval(defRect, backgroundPaint) | |
| canvas?.drawOval(animatedRect, foregroundPaint) | |
| } | |
| fun startAnimation() { | |
| // ... | |
| val animateLeft = ObjectAnimator.ofFloat(animatedRect, "left", animatedRect.left, toRect.left) | |
| val animateTop = ObjectAnimator.ofFloat(animatedRect, "top", animatedRect.top, toRect.top) | |
| val animateRight = ObjectAnimator.ofFloat(animatedRect, "right", animatedRect.right, toRect.right) | |
| val animateBottom = ObjectAnimator.ofFloat(animatedRect, "bottom", animatedRect.bottom, toRect.bottom) | |
| val foregroundColorAnimator = ValueAnimator().apply { /* init animator */ } | |
| val backgroundColorAnimator = ValueAnimator().apply { /* init animator */ } | |
| animatorSet.apply { | |
| // init animator set | |
| playTogether(animateLeft, animateTop, animateRight, animateBottom, foregroundColorAnimator, backgroundColorAnimator) | |
| duration = ANIMATION_DURATION | |
| start() | |
| } | |
| } |
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