FrameAnimationActivity.java

package com.google.mcommerce.sample.android.chapter13.frame;

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;

import com.google.mcommerce.sample.android.R;

public class FrameAnimationActivity extends Activity {

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.c13_frame_animations_layout);
		this.setupButton();
	}

	private void setupButton() {
		Button b = (Button) this.findViewById(R.id.startFAButtonId);
		b.setOnClickListener(new Button.OnClickListener() {
			public void onClick(View v) {
				parentButtonClicked(v);
			}
		});
	}

	private void parentButtonClicked(View v) {
		animate();
	}

	private void animate() {
		ImageView imgView = (ImageView) findViewById(R.id.imageView);
		imgView.setVisibility(ImageView.VISIBLE);
		imgView.setBackgroundResource(R.drawable.frame_animation);

		AnimationDrawable frameAnimation = (AnimationDrawable) imgView
				.getBackground();

		if (frameAnimation.isRunning()) {
			frameAnimation.stop();
		} else {
			frameAnimation.stop();
			frameAnimation.start();
		}
	}
}// eof-class