How do I pass data between Activities in Android application?(如何在 Android 应用程序的活动之间传递数据?)
问题描述
我有一个场景,通过登录页面登录后,每个activity
上都会有一个退出按钮
.
I have a scenario where, after logging in through a login page, there will be a sign-out button
on each activity
.
点击 sign-out
时,我将传递已登录用户的 session id
以注销.谁能指导我如何使 session id
对所有 activities
可用?
On clicking sign-out
, I will be passing the session id
of the signed in user to sign-out. Can anyone guide me on how to keep session id
available to all activities
?
这种情况的任何替代方案
Any alternative to this case
推荐答案
最简单的方法是将会话 ID 传递给您用于启动的 Intent
中的注销活动活动:
The easiest way to do this would be to pass the session id to the signout activity in the Intent
you're using to start the activity:
在下一个活动中访问该意图:
Access that intent on next activity:
Intents 的 docs 有更多信息(查看标题为附加"的部分).
The docs for Intents has more information (look at the section titled "Extras").
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