android 多个Activity滑动效果

  带有动画效果的滑动，大家都知道，应该使用WorkspaceView，而WorkspaceView必须使用View才能进行滑动。

那么多个Activity该如何做滑动效果呢？

  其实方法很简单，就是把Activity转换为View，下面就是Activity转换为View的代码：

 

 

	private View activityToView(Activity parent, Class<?> target, Bundle state) {

		LocalActivityManager mLocalActivityManager = new LocalActivityManager(
				parent, true);//new一个本地的activity管理器
		mLocalActivityManager.dispatchCreate(state);//这个state就是当前Activity的状态参数，就是onCreate(Bundle savedInstanceState)里面这个savedInstanceState
		mLocalActivityManager.dispatchResume();
		mLocalActivityManager.dispatchDestroy(true);

		Intent intent = new Intent(parent, target);

		final Window w = mLocalActivityManager.startActivity(target.getName(),
				intent);//取得一个window对象，以方便转换为View
		final View wd = w != null ? w.getDecorView() : null;//转换为view
		if (wd != null) {
			wd.setVisibility(View.VISIBLE);
			wd.setClickable(true);
			wd.setFocusable(true);
			wd.setFocusableInTouchMode(true);
			((ViewGroup) wd)
					.setDescendantFocusability(ViewGroup.FOCUS_AFTER_DESCENDANTS);
		}
		return wd;
	}

 

然后定义一个WorkspaceView把所有的activity转换为View加载进去：

 

work = new WorkspaceView(this, null) {
			@Override
			public boolean onTouchEvent(MotionEvent ev) {
				super.onTouchEvent(ev);

				switch (ev.getAction()) {
				case MotionEvent.ACTION_MOVE:
					  //处理移动事件

					break;

				case MotionEvent.ACTION_UP:

					//处理action_up事件

					break;

				}

				return true;

			}
		};

		work.setTouchSlop(16);//设置滑动距离
		// work.setBackgroundColor(getResources().getColor(R.color.main_contain_bgcolor));
                
                 //调用activityToView方法,加载所有的activity
		work.addView(activityToView(this, SmartdialerActivity.class,
				savedInstanceState));

		work.addView(activityToView(this, MainActivity.class,
				savedInstanceState));
		work.addView(smsGroupView);
		work.addView(activityToView(this, AutoReplyActivity.class,
				savedInstanceState));

 

ps:重要的我用红色字体标示了

评论

1 楼 haifengyulu 2012-04-15  

WorkSpaceView哪儿来的呢？