A PendingIntent is a token that you give to a foreign application (e.g. NotificationManager, AlarmManager, Home Screen AppWidgetManager, etc.), which allows the foreign application to use your application's permissions to execute a predefined piece of code[1][2].
If you give the foreign application a regular Intent, it will execute your Intent with its own permissions. But if you give the foreign application a PendingIntent, that application will execute your Intent using your application's permissions[2].
Some key points about PendingIntents:
They are created using static factory methods like PendingIntent.getActivity(), PendingIntent.getService(), etc.[1][3]
They allow you to pass an Intent to another app to be executed at a later time, even if your app is no longer running[1][3]
The target Intent can be an Activity, Service, BroadcastReceiver, etc.[1][3]
The target Intent should usually specify an explicit component name to ensure it is sent to ...
