ANDROID - 逐帧动画

Question

我是安卓初学者。我需要在应用程序中实现逐帧动画，但我不知道它是如何完成的，请给我完整的逐帧动画示例。

Answer 1

您好，您可以通过此步骤来完成此操作。

Step 1 : Insert images in drawable folder which need for framing.

Step 2 : Create an xml for configure for FrameByFrame animation and place it into res/drawable folder. Here there are two images are use for animation is f1 and f2. android:duration defines time in milisecond for change frame.

<?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/f1"
       android:duration="50"/>
   <item
       android:drawable="@drawable/f2"
       android:duration="50"/>
</animation-list>

Step 3 : Create main.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"
tools:context="${packageName}.${activityClass}" >

   <ImageView
       android:id="@+id/imageView1"
       android:layout_width="wrap_content"
       android:layout_height="wrap_content" />
</RelativeLayout>

Step 4 : Finally execute in MainActivity.java

public class MainActivity extends Activity {
ImageView iv;

@Override
protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       setContentView(R.layout.activity_main);
       // Imageview in which images load one by one like Frame By Frame
       iv = (ImageView) findViewById(R.id.imageView1);
       //Bind xml which is configure animation.
       AnimationDrawable ad = (AnimationDrawable) getResources().getDrawable(
            R.drawable.sam);
       iv.setBackgroundDrawable(ad);
       //Start animation
       ad.start();
       //For stop animation you can use ad.stop();
   }
}