使用三张图片,来形成动画效果。这里先将三张图片的资源放上来
一、在res下新建一个drawable文件夹,将这三张图片放入保存,命名为logo1,logo2,logo3
二、在drawable下建立一个logo.xml文件,代码如下:
<?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/logo1" android:duration="200"/>
<item android:drawable="@drawable/logo2" android:duration="200"/>
<item android:drawable="@drawable/logo3" android:duration="200"/>
</animation-list>
三、activity_main.xml文件里的内容:
<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/iv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</RelativeLayout>
三、Mainactivity.java里的内容
package com.example.animation;
import android.os.Bundle;
import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.view.Menu;
import android.widget.ImageView;
public class MainActivity extends Activity {
ImageView iv;
AnimationDrawable rocketAnimation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
iv= (ImageView) findViewById(R.id.iv);
//给图片设置了背景
iv.setBackgroundResource(R.drawable.logo);
//获得设置的背景
rocketAnimation = (AnimationDrawable) iv.getBackground();
rocketAnimation.start();
}
}