Android ListView动画实现方法

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在Android中listview是最经常使用的控件之中的一个，可是有时候我们会认为千篇一律的listview看起来过于单调，于是就产生了listView动画，listview载入了动画会让用户体验更好,本期就分享一些listview动画以及实现方法。效果图

相信大家都熟悉Android的Tween动画,前四种动画就是Translate,Alpha,Rotate,Scale,最后一种Rotate3d则是用了一个3D旋转动画工具类Rotate3dAnimation,这个类的构造函数中接收一些3D旋转时所需用到的參数。比方旋转開始和结束的角度，旋转的中心点等。

LayoutAnimationController能够控制一组控件依照规定显示。ListView中的mListView.setLayoutAnimation相信大家都知道是用来干什么的了。接下来上代码

	private Button button, button2, button3, button4, button5;

	private ListView mListView;

	private Animation animation;

	private LayoutAnimationController controller;

	private String[] arry = { "一", "二", "三", "四", "五", "六" };

	private ArrayAdapter<String> adapter;

	protected void onCreate(Bundle savedInstanceState) {

		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_main);

		initView();

		adapter = new ArrayAdapter<String>(this,

				android.R.layout.simple_list_item_1, arry);

		mListView.setAdapter(adapter);

	}

	private void initView() {

		// TODO Auto-generated method stub

		mListView = (ListView) findViewById(R.id.list);

		button = (Button) findViewById(R.id.btn_tran);

		button.setOnClickListener(this);

		button2 = (Button) findViewById(R.id.btn_alpha);

		button2.setOnClickListener(this);

		button3 = (Button) findViewById(R.id.btn_rotate);

		button3.setOnClickListener(this);

		button4 = (Button) findViewById(R.id.btn_scale);

		button4.setOnClickListener(this);

		button5 = (Button) findViewById(R.id.rotate3d);

		button5.setOnClickListener(this);

	}

	@Override

	public void onClick(View arg0) {

		// LayoutAnimationController.ORDER_NORMAL; 顺序显示

		// LayoutAnimationController.ORDER_REVERSE;反显示

		// LayoutAnimationController.ORDER_RANDOM; 随机显示

		switch (arg0.getId()) {

		case R.id.btn_tran:

			animation = new TranslateAnimation(-50f, 0f, 0f, 0f);

			animation.setDuration(500);

			//1f为延时

			controller = new LayoutAnimationController(animation, 1f);

			controller.setOrder(LayoutAnimationController.ORDER_NORMAL);

			mListView.setLayoutAnimation(controller);

			adapter.notifyDataSetInvalidated();

			break;

		case R.id.btn_alpha:

			animation = new AlphaAnimation(0f, 1f);

			animation.setDuration(500);

			controller = new LayoutAnimationController(animation, 1f);

			controller.setOrder(LayoutAnimationController.ORDER_NORMAL);

			mListView.setLayoutAnimation(controller);

			adapter.notifyDataSetInvalidated();

			break;

		case R.id.btn_rotate:

			animation = new RotateAnimation(0f, 360f);

			animation.setDuration(500);

			controller = new LayoutAnimationController(animation, 1f);

			controller.setOrder(LayoutAnimationController.ORDER_NORMAL);

			mListView.setLayoutAnimation(controller);

			adapter.notifyDataSetInvalidated();

			break;

		case R.id.btn_scale:

			animation = new ScaleAnimation(0.1f, 1.0f, 0.1f, 1.0f);

			animation.setDuration(500);

			controller = new LayoutAnimationController(animation, 1f);

			controller.setOrder(LayoutAnimationController.ORDER_NORMAL);

			mListView.setLayoutAnimation(controller);

			adapter.notifyDataSetInvalidated();

			break;

		case R.id.rotate3d:

			animation = new Rotate3dAnimation(0, 360, 200, 200, 0, true);

			animation.setDuration(1000);

			controller = new LayoutAnimationController(animation, 0.1f);

			controller.setOrder(LayoutAnimationController.ORDER_NORMAL);

			mListView.setLayoutAnimation(controller);

			adapter.notifyDataSetInvalidated();

			break;

		default:

			break;

		}

	}