按钮动画(TimeAnimator和ClipDrawable)不能正常工作
按钮动画(TimeAnimator和ClipDrawable)不能正常工作
提问于 2020-04-12 19:47:22
我想要动画按钮的背景，填补它左到右。我用this 。它正常工作，当我把它放在onCreate，但我需要动画按钮，当用户选择正确的答案在我的格利泽。这是我的checkAnswer方法
fun checkAnswer(selectedAnswer: Button) {
enableAnswersButton(false)
if (selectedAnswer.text.toString() == listOfTests[currentQuestion].rightAnswer){
val layerDrawable = selectedAnswer.background as LayerDrawable
mClipDrawable =
layerDrawable.findDrawableByLayerId(R.id.clip_drawable_false) as ClipDrawable
mAnimator = TimeAnimator()
mAnimator!!.setTimeListener(this)
selectedAnswer.setOnClickListener {
if (!mAnimator!!.isRunning) {
mCurrentLevel = 0;
mAnimator!!.start()
}
}
} else {
val layerDrawable = selectedAnswer.background as LayerDrawable
mClipDrawable =
layerDrawable.findDrawableByLayerId(R.id.clip_drawable_true) as ClipDrawable
mAnimator = TimeAnimator()
mAnimator!!.setTimeListener(this)
selectedAnswer.setOnClickListener {
if (!mAnimator!!.isRunning) {
mCurrentLevel = 0;
mAnimator!!.start()
}
}问题是动画作品时有发生。有时onTimeUpdate方法不调用，动画也不起作用。
override fun onTimeUpdate(animation: TimeAnimator?, totalTime: Long, deltaTime: Long) {
mClipDrawable!!.level = mCurrentLevel
if (mCurrentLevel >= MAX_LEVEL) {
mAnimator!!.cancel()
} else {
mCurrentLevel = min(MAX_LEVEL, mCurrentLevel + LEVEL_INCREMENT)
}
}拜托，帮帮忙
Stack Overflow用户
回答已采纳
发布于 2020-04-12 21:43:46
我查过this了！那里的实现很好，只有您不应该使用。
selectedAnswer.setOnClickListener {//<===this part need to be removed as its setting onClick which will work if next time same button is clicked
if (!mAnimator!!.isRunning) {
mCurrentLevel = 0;
mAnimator!!.start()
}
}需要删除该部件作为其设置的onClick，如果下一次单击相同的按钮，该设置将工作。
如果您只想在按下任何答案按钮时才播放动画。在设置应答文本视图/按钮的选项时，需要设置动画器。
下面的代码可以给你一个想法
firstOptionTextView.setText(Put the Option here);
if (firstOptionTextView.text.toString() == listOfTests[currentQuestion].rightAnswer){
val layerDrawable = selectedAnswer.background as LayerDrawable
mClipDrawable =
layerDrawable.findDrawableByLayerId(R.id.clip_drawable_false) as ClipDrawable
mAnimator = TimeAnimator()
mAnimator!!.setTimeListener(this)
firstOptionTextView.setOnClickListener {
if (!mAnimator!!.isRunning) {
mCurrentLevel = 0;
mAnimator!!.start()
}
}
} else {
val layerDrawable = selectedAnswer.background as LayerDrawable
mClipDrawable =
layerDrawable.findDrawableByLayerId(R.id.clip_drawable_true) as ClipDrawable
mAnimator = TimeAnimator()
mAnimator!!.setTimeListener(this)
firstOptionTextView.setOnClickListener {
if (!mAnimator!!.isRunning) {
mCurrentLevel = 0;
mAnimator!!.start()
}
}现在，由于这个选项有一个动画师，无论是正确的，不正确的，它将被播放。
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/61177214
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