使用单例对象在活动之间保存状态或共享数据是否可以接受？
如果 StackOverflow 能有一个版块，让我们可以发布像我这样的教程，那就太好了，这样我就可以一举回答这里提出的数百个问题。看...每天我都会阅读有关如何在活动之间传递复杂对象、如何保存状态以便您的应用程序可以在方向更改后恢复、如何在数据更改时更新列表视图等问题。
这是第二部分我在博客上发布的教程系列的一部分...我希望您能真正阅读它...因为我在任何地方都没有看到过任何类似的示例...它改变了我对 Android 开发的全面思考。问题是……这样的发展有负面影响吗？
请仔细阅读这两个教程...我会在这里回答任何有关它的问题...我真的很想知道您对此有何看法以及它是否可以为您解决问题。
版主注意：我的博客上没有任何类型的广告..所以不要因为您认为我在发送垃圾邮件而关闭此博客...我不会在这里重复我的帖子。而且......我真的想知道这种方法是否存在缺陷。
It would be nice if StackOverflow had a section where we could post tutorials like mine so that I can answer literally hundreds of questions that have been asked here with a single blow. See... every day I read questions about how to pass complex objects between activities, how to save state so that your app can resume after orientation change, how to update listviews when the data changes, etc, etc.
Here is the second part of a tutorial series I posted on my blog... I hope that you actually read it... because I haven't seen any examples like it anywhere... and it has changed how I think about developing for Android across the board. The question is... is there a downside or negative affect of developing like this?
Beyond Smart Lists – How Observable Singletons change the game.
Please read through both of these tutorials carefully... I will answer any questions about it here that I can... I really want to know what you think about this and if it might solve issues for you.
NOTE TO MODERATORS: there are no advertisements of any kind on my blog.. so don't just close this because you think I am spamming somehow... I am not going to duplicate my post here. And... really I want to know if there is a flaw in this approach.
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您了解过 Android 的
Application类吗？Have you read about Android's
Applicationclass?