Android动画

[java]代码库

package com;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.view.animation.Animation;

import android.view.animation.AnimationUtils;

import android.widget.ImageButton;

public class MainAnimation extends Activity {

	/** Called when the activity is first created. */

	@Override
	public void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.main);

		// 定义UI组件

		final ImageButton ib1 = (ImageButton) findViewById(R.id.ImageButton01);

		final ImageButton ib2 = (ImageButton) findViewById(R.id.ImageButton02);

		final ImageButton ib3 = (ImageButton) findViewById(R.id.ImageButton03);

		final ImageButton ib4 = (ImageButton) findViewById(R.id.ImageButton04);

		final ImageButton ib5 = (ImageButton) findViewById(R.id.ImageButton05);

		// 定义监听器

		OnClickListener ocl = new OnClickListener() {

			@Override
			public void onClick(View v) {

				switch (v.getId()) {

				case R.id.ImageButton01:

					// 创建Animation对象

					Animation ani1 = AnimationUtils.loadAnimation(

					getApplicationContext(), R.anim.alpha_animation);

					// 组件播放动画

					ib1.startAnimation(ani1);

					break;

				case R.id.ImageButton02:

					Animation ani2 = AnimationUtils.loadAnimation(

					getApplicationContext(), R.anim.scale_animation);

					ib2.startAnimation(ani2);

					break;

				case R.id.ImageButton03:

					Animation ani3 = AnimationUtils.loadAnimation(

					getApplicationContext(), R.anim.translate_animation);

					ib3.startAnimation(ani3);

					break;

				case R.id.ImageButton04:

					Animation ani4 = AnimationUtils.loadAnimation(

					getApplicationContext(), R.anim.rotate_animation);

					ib4.startAnimation(ani4);

					break;

				case R.id.ImageButton05:

					Animation ani5 = AnimationUtils.loadAnimation(

					getApplicationContext(), R.anim.composite_animation);

					ib5.startAnimation(ani5);

					break;

				}

			}

		};

		// 绑定监听器

		ib1.setOnClickListener(ocl);

		ib2.setOnClickListener(ocl);

		ib3.setOnClickListener(ocl);

		ib4.setOnClickListener(ocl);

		ib5.setOnClickListener(ocl);

	}

}