Detect AnimationDrawable.isRunning() to toggle start/stop animation

This example base on the old example "Start and Stop frame animation with AnimationDrawable". When button clicked, it read AnimationDrawable.isRunning() and call AnimationDrawable.start() or AnimationDrawable.stop() to toggle the animation.


Download the png files and copy /res/anim/anim_android.xml here.

/res/layout/main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <Button
        android:id="@+id/startstopanimation"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Start/Stop Animation" />

    <ImageView 
        android:id="@+id/myanimation"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@anim/anim_android"
        />

</LinearLayout>

AndroidAnimationActivity.java

package com.exercise.AndroidAnimation;

import android.app.Activity;
import android.graphics.drawable.AnimationDrawable;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;

public class AndroidAnimationActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        ImageView myAnimation = (ImageView)findViewById(R.id.myanimation);
        final AnimationDrawable myAnimationDrawable 
         = (AnimationDrawable)myAnimation.getDrawable();
        
        Button startStopAnimation = (Button)findViewById(R.id.startstopanimation);
        
        startStopAnimation.setOnClickListener(new Button.OnClickListener(){

   @Override
   public void onClick(View arg0) {
    
    if(myAnimationDrawable.isRunning()){
     myAnimationDrawable.stop(); 
    }else{
     myAnimationDrawable.start(); 
    }

   }});

    }
}

Download the files.

Next:
- Determine end of animation to start another animation