为了将您的应用程序带到前台，您必须从另一个上下文(Service 或 BroadcastReceiver).仅从 Activity 中调用 startActivity() 不会将您的应用带到前台.

In order to bring your app to the foreground, you must call startActivity() from another context (either a Service or a BroadcastReceiver). Just calling startActivity() from within an Activity won't bring your app to the foreground.

Intent 中不需要 ACTION 和 CATEGORY，但需要设置 Intent.FLAG_ACTIVITY_NEW_TASK.

You don't need the ACTION and CATEGORY in your Intent, but you do need to set Intent.FLAG_ACTIVITY_NEW_TASK.