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如何在活动之间共享简单的bean?

[英]How to share simple beans between activities?

I have aa simple Java bean that gets filled in my second activity. 我有一个简单的Java Bean,可以完成第二个活动。 When I return back to my first activity(main activity) I want to have access to this data. 当我返回到我的第一个活动(主要活动)时,我想访问此数据。 But so far I have no idea how to do it. 但是到目前为止,我还不知道该怎么做。

Can anyone provide me with a code example of how to pass beans between Activities? 谁能提供给我一个如何在Activity之间传递bean的代码示例?

Kind regards 亲切的问候

Shared Preferences if you have string data 共享首选项(如果您有字符串数据)

http://developer.android.com/guide/topics/data/data-storage.html#pref http://developer.android.com/guide/topics/data/data-storage.html#pref

Singleton class if you have objects to pass around. Singleton类,如果您有要传递的对象。

If you want guaranteed persistance use database. 如果要保证持久性,请使用数据库。

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