文件名称：安卓属性动画
文件大小：27.75MB
文件格式：RAR
更新时间：2020-10-15 07:47:18
动画
安卓几种属性动画 rotateButton = (Button)findViewById(R.id.rotateButton); scaleButton = (Button)findViewById(R.id.scaleButton); alphaButton = (Button)findViewById(R.id.alphaButton); translateButton = (Button)findViewById(R.id.translateButton); image1 = (ImageView)findViewById(R.id.image1); image2 = (ImageView)findViewById(R.id.image2); image3 = (ImageView)findViewById(R.id.image3); image4 = (ImageView)findViewById(R.id.image4); image5 = (ImageView)findViewById(R.id.image5); rotateButton.setOnClickListener(new RotateButtonListener()); scaleButton.setOnClickListener(new ScaleButtonListener()); alphaButton.setOnClickListener(new AlphaButtonListener()); translateButton.setOnClickListener(new TranslateButtonListener()); } class AlphaButtonListener implements View.OnClickListener { public void onClick(View v) { //创建一个AnimationSet对象，参数为Boolean型， //true表示使用Animation的interpolator，false则是使用自己的 AnimationSet animationSet = new AnimationSet(true); //创建一个AlphaAnimation对象，参数从完全的透明度，到完全的不透明 AlphaAnimation alphaAnimation = new AlphaAnimation(1, 0); //设置动画执行的时间 alphaAnimation.setDuration(2000); //将alphaAnimation对象添加到AnimationSet当中 animationSet.addAnimation(alphaAnimation); //使用ImageView的startAnimation方法执行动画 image1.startAnimation(animationSet); image2.startAnimation(animationSet); image3.startAnimation(animationSet); image4.startAnimation(animationSet); image5.startAnimation(animationSet); Toast.makeText(getApplicationContext(),"消失吧!",Toast.LENGTH_SHORT).show(); } }