1.首先创建一个xml 在 drawable 目录下

transition_image

<?xml version="1.0" encoding="utf-8"?>
<transition xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/first" />
    <item android:drawable="@drawable/two" />
</transition>

2.在xml中引用

1	android:drawable="@drawable/transition_image"

3.在Activity中使用

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ImageView mImageView = (ImageView) findViewById(R.id.iv); 
TransitionDrawable transitionDrawable = (TransitionDrawable) mImageView.getDrawable(); 
transitionDrawable.startTransition(3000)

另外一种写法实现多张图片效果

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TransitionDrawable transitionDrawable = new TransitionDrawable(new Drawable[]{getResources().getDrawable(R.drawable.first),getResources().getDrawable(R.drawable.two)});
mImageView.setImageDrawable(transitionDrawable);
transitionDrawable.startTransition(3000);