public
final
class
LocalBroadcastManager
extends Object
java.lang.Object | |
↳ | android.support.v4.content.LocalBroadcastManager |
Helper to register for and send broadcasts of Intents to local objects
within your process. This is has a number of advantages over sending
global broadcasts with sendBroadcast(Intent)
:
Public methods | |
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static
LocalBroadcastManager
|
getInstance(Context context)
|
void
|
registerReceiver(BroadcastReceiver receiver, IntentFilter filter)
Register a receive for any local broadcasts that match the given IntentFilter. |
boolean
|
sendBroadcast(Intent intent)
Broadcast the given intent to all interested BroadcastReceivers. |
void
|
sendBroadcastSync(Intent intent)
Like |
void
|
unregisterReceiver(BroadcastReceiver receiver)
Unregister a previously registered BroadcastReceiver. |
Inherited methods | |
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From
class
java.lang.Object
|
LocalBroadcastManager getInstance (Context context)
Parameters | |
---|---|
context |
Context
|
Returns | |
---|---|
LocalBroadcastManager |
void registerReceiver (BroadcastReceiver receiver, IntentFilter filter)
Register a receive for any local broadcasts that match the given IntentFilter.
Parameters | |
---|---|
receiver |
BroadcastReceiver :
The BroadcastReceiver to handle the broadcast. |
filter |
IntentFilter :
Selects the Intent broadcasts to be received. |
See also:
boolean sendBroadcast (Intent intent)
Broadcast the given intent to all interested BroadcastReceivers. This call is asynchronous; it returns immediately, and you will continue executing while the receivers are run.
Parameters | |
---|---|
intent |
Intent :
The Intent to broadcast; all receivers matching this
Intent will receive the broadcast. |
Returns | |
---|---|
boolean |
void sendBroadcastSync (Intent intent)
Like sendBroadcast(Intent)
, but if there are any receivers for
the Intent this function will block and immediately dispatch them before
returning.
Parameters | |
---|---|
intent |
Intent
|
void unregisterReceiver (BroadcastReceiver receiver)
Unregister a previously registered BroadcastReceiver. All filters that have been registered for this BroadcastReceiver will be removed.
Parameters | |
---|---|
receiver |
BroadcastReceiver :
The BroadcastReceiver to unregister. |