安卓学习-图像处理-逐帧动画

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anim/fat_po.xml

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<?xml version="1.0" encoding="utf-8"?>
<!-- 指定动画循环播放 -->
<animation-list xmlns:android="http://schemas.android.com/apk/res/android"
    android:oneshot="false">
    <!-- 添加多个帧 -->
    <item android:drawable="@drawable/fat_po_f01" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f02" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f03" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f04" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f05" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f06" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f07" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f08" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f09" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f10" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f11" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f12" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f13" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f14" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f15" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f16" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f17" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f18" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f19" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f20" android:duration="60" />
    <item android:drawable="@drawable/fat_po_f21" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f22" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f23" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f24" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f25" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f26" android:duration="60" />    
    <item android:drawable="@drawable/fat_po_f27" android:duration="60" />                                                                    
</animation-list>
View Code

MainActivity.java

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public class MainActivity extends Activity implements OnClickListener{

    ImageView iv;
    AnimationDrawable draw;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        iv=(ImageView)findViewById(R.id.imageView1);
        draw=(AnimationDrawable)iv.getDrawable();
        draw.stop();
        Button btn1=(Button)findViewById(R.id.button1);
        Button btn2=(Button)findViewById(R.id.button2);
        btn1.setOnClickListener(this);
        btn2.setOnClickListener(this);
    }

    public void onClick(View v) {
        if(v==findViewById(R.id.button1)){
            draw.start();
        }else if(v==findViewById(R.id.button2)){
            draw.stop();;
        }
        
    }
}
View Code

activity_main.xml

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<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"
    tools:context="${relativePackage}.${activityClass}" >

    <ImageView
        android:id="@+id/imageView1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:src="@anim/fat_po" />

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_below="@+id/imageView1"
        android:layout_marginLeft="10dp"
        android:layout_marginTop="16dp"
        android:text="开始" />

    <Button
        android:id="@+id/button2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBaseline="@+id/button1"
        android:layout_alignBottom="@+id/button1"
        android:layout_alignRight="@+id/imageView1"
        android:text="停止" />

</RelativeLayout>
View Code

 

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