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What is a Sticky Intent?

Question ListCategory: AndroidWhat is a Sticky Intent?
denielshakespeare5 author asked 2 years ago
1 Answers
jamessmith05 author answered 1 year ago

sendStickyBroadcast() performs a sendBroadcast (Intent) that is ?sticky, i.e. the Intent
you are sending stays around after the broadcast is complete, so that others can quickly

retrieve that data through the return value of registerReceiver (BroadcastReceiver,

IntentFilter). In all other ways, this behaves the same as sendBroadcast(Intent).

One example of a sticky broadcast sent via the operating system is

ACTION_BATTERY_CHANGED. When you call registerReceiver() for that action –

even with a null BroadcastReceiver – you get the Intent that was last broadcast for that

action. Hence, you can use this to find the state of the battery without necessarily

registering for all future state changes in the battery.

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