美团app动画奔跑的小人

MainActivity.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:onClick="start"
        android:scaleType="fitCenter"
        android:src="@anim/frame" />

</RelativeLayout>

frame.xml 

<?xml version="1.0" encoding="utf-8"?>
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false" >

    <item
        android:drawable="@drawable/progress_loading_image_01"
        android:duration="500"/>
    <item
        android:drawable="@drawable/progress_loading_image_02"
        android:duration="500"/>
    <item
        android:drawable="@drawable/progress_loading_image_03"
        android:duration="500"/>
    <item
        android:drawable="@drawable/progress_loading_image_04"
        android:duration="500"/>

</animation-list>

MainActivity.java

public class MainActivity extends ActionBarActivity {

	private ImageView imageView;
	private AnimationDrawable ad;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

		imageView = (ImageView) findViewById(R.id.imageView);
		ad = (AnimationDrawable) imageView.getDrawable(); // 获取图片内容, 强转为动画对象

	}

	public void start(View v) {
		if (ad.isRunning())
			ad.stop();
		ad.start(); // 开始播放
	}

}