本文讲述了Java实现帧动画的实例代码。分享给大家供大家参考，具体如下：

1、效果图

2、帧动画的简要代码

private ImageView bgAnimView; private AnimationDrawable mAnimationDrawable; //初始化 mAnimationDrawable = new AnimationDrawable(); bgAnimView = new ImageView(mContext); bgAnimView.setBackgroundDrawable(getAnimationDrawable(mAnimationDrawable)); params = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT); params.topMargin = Util.Div(176 + 58); params.gravity = Gravity.CENTER_HORIZONTAL; addView(bgAnimView, params); private AnimationDrawable getAnimationDrawable(AnimationDrawable mAnimationDrawable) { int duration = 50; mAnimationDrawable.addFrame(mContext.getResources().getDrawable(R.drawable.loading1), duration); mAnimationDrawable.addFrame(mContext.getResources().getDrawable(R.drawable.loading2), duration); mAnimationDrawable.addFrame(mContext.getResources().getDrawable(R.drawable.loading3), duration); mAnimationDrawable.setOneShot(false); return mAnimationDrawable; } //动画开始 public void animLoadingStart() { this.setVisibility(View.VISIBLE); if (mAnimationDrawable != null) { mAnimationDrawable.start(); } } //动画结束 public void animLoadingEnd() { if (mAnimationDrawable != null) { mAnimationDrawable.stop(); }

3、扩展：

//X轴平移 public void animY(int y, int nextY, int duration) { LinearInterpolator ll = new LinearInterpolator(); //匀速 ObjectAnimator animator = ObjectAnimator.ofFloat(yourView, "translationY", 0, 300);//300若为负值，就是向上平移 animator.setDuration(duration); animator.setInterpolator(ll); animator.start(); } //Y轴平移 public void animX(int x, int nextX, int duration) { LinearInterpolator ll = new LinearInterpolator(); ObjectAnimator animator = ObjectAnimator.ofFloat(yourView, "translationX", x, nextX); animator.setDuration(duration); animator.setInterpolator(ll); animator.start(); } //纵向压缩0.5倍 LinearInterpolator ll = new LinearInterpolator();//匀速 ScaleAnimation scaleAnimation = new ScaleAnimation(1, 1, 1, 0.5f);//默认从（0,0） scaleAnimation.setDuration(500); scaleAnimation.setInterpolator(ll); scaleAnimation.setFillAfter(true); chartView.startAnimation(scaleAnimation); //横向压缩0.5倍 LinearInterpolator ll = new LinearInterpolator(); ScaleAnimation scaleAnimation = new ScaleAnimation(1, 0.5f, 1, 1);//默认从（0,0） scaleAnimation.setDuration(500); scaleAnimation.setInterpolator(ll); scaleAnimation.setFillAfter(true); chartView.startAnimation(scaleAnimation);

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