Broadcast

Normal broadcast

Create a broadcast receiver

Class broadcast extends BroadcastReceiver {
@ Override
Public void onReceive (Context context, Intent intent ){

Log. I ("Ma", "broadcast ");

}}

Create a broadcast transmitter

Intent intent = new Intent ();

Intent. setAction ("com. xiazdong ");

SendBroadcast (intent );

Create a filter to control the content to be received

IntentFilter filter = new IntentFilter ();
Filter. addAction ("com. xiazdong ");

Open Broadcast Receiver
RegisterReceiver (new broadcast, filter );

Linear broadcast

Create two broadcast receivers

Class broadcast01 extends BroadcastReceiver {
@ Override
Public void onReceive (Context context, Intent intent ){

Log. I ("Ma", "first broadcast ");

AbortBroadcast ();

}}

Class broadcast02 extends BroadcastReceiver {
@ Override
Public void onReceive (Context context, Intent intent ){

Log. I ("Ma", "second broadcast ");

}}

Register two broadcast receivers in AndroidManifest. xml <receiver er android: name = ". broadcast01">
<Intent-filter android: priority = "20"> <! -- Control the priority level. The priority value is-1000--1000, and 1000 is the highest priority. --->
<Action android: name = "com. example. broadcast. broadcast"/>
               
</Intent-filter>
</Cycler>
<Cycler android: name = ". broadcast02">
<Intent-filter android: priority = "20">
<Action android: name = "com. example. broadcast. broadcast"/>
</Intent-filter>
</Cycler>

Create a broadcast transmitter

Intent intent = new Intent ();

Intent. setAction ("com. example. broadcast. broadcast ");

SendOrderedBroadcast (intent, null );

Sticky broadcast

Create a broadcast receiver

Class broadcast extends BroadcastReceiver {
@ Override
Public void onReceive (Context context, Intent intent ){

Log. I ("Ma", "broadcast ");

}}

Create a broadcast transmitter

Intent intent = new Intent ();

Intent. setAction ("com. xiazdong ");

SendStickyBroadcast (intent );

Create a filter to control the content to be received

IntentFilter filter = new IntentFilter ();
Filter. addAction ("com. xiazdong ");

Open Broadcast Receiver
RegisterReceiver (new broadcast, filter );

<! -- To send a sticky message, you must obtain the permission in the configuration file: -->

<Uses-permission android: name = "android. permission. BROADCAST_STICKY"/>

Broadcast