Android：如何在活动之间切换，例如在家庭应用程序中切换桌面？
我正在开发一个 Android 应用程序，它具有三个非常相似的活动。我希望用户能够通过在屏幕上左右滑动来在它们之间进行切换。 到目前为止，这就是我的管理方式：
我关注了这篇帖子
然后我以这种方式更改了 onSwipe() 方法：
@Override
public void onSwipe(int direction) {
Intent intent = new Intent();
switch (direction) {
case SimpleGestureFilter.SWIPE_RIGHT:
intent.setClass(this, TodoTodaySheet.class);
break;
case SimpleGestureFilter.SWIPE_LEFT:
intent.setClass(this, TrashSheet.class);
break;
}
startActivity(intent);
}
它有效，但我对此并不完全满意。此外，我不知道这是否是正确的方法。
我希望在切换桌面时有一种类似于家庭应用程序的行为。因此，我想要一个更流畅的动画以及从正确方向调用的活动的外观，例如。向右滑动时从屏幕左侧。
有什么提示吗？非常感谢。
I'm developing an Android Application that has three very similar Activities. I would like the user to be able to switch between them by swiping left and right on the screen.
This is how I managed that up to now:
I followed this post
Then I changed the method onSwipe() in this way:
@Override
public void onSwipe(int direction) {
Intent intent = new Intent();
switch (direction) {
case SimpleGestureFilter.SWIPE_RIGHT:
intent.setClass(this, TodoTodaySheet.class);
break;
case SimpleGestureFilter.SWIPE_LEFT:
intent.setClass(this, TrashSheet.class);
break;
}
startActivity(intent);
}
It works but I'm not completely satisfied with this. Moreover, I don't know if this is the correct approach.
I would like to have a behavior like the one on Home apps, when switching desktop. Therefore I would like a smoother animation and the appearance of the called activity from the right direction, eg. from the left side of the screen when swiping on the right.
Any hints? Thank you very much.
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虽然最好将它们作为三个单独的 Activity，但我见过人们使用 ViewFlipper 在单个 Activity 中实现类似的效果。
这是一个包含更多信息的链接：
http://www.inter- fusionr.com/2009/07/android-transistions-slide-in-and-slide.html
While it's probably best to have them as three separate Activities, I've seen people use a ViewFlipper to achieve a similar effect in a single Activity.
Here's a link with a little more information about it:
http://www.inter-fuser.com/2009/07/android-transistions-slide-in-and-slide.html
主屏幕不会在活动之间滚动，它只会在不同视图之间滚动，如您在 其源代码（第298行是改变屏幕的地方）。
如果您在活动之间切换，您将受到用户配置和操作的支配。设备的能力决定了转换期间显示会发生什么，因此您无能为力。
The home screen doesn't scroll between activities it only scrolls between differing views as you can see in its' source code (line 298 is where the screens are changed).
If you're switching between activities you're at the mercy of the users configuration & the devices abilities as to what happens to the display during the transition, so there isn't a lot you can do.