Getting Started with Android--broadcast (2)

Custom broadcasts

<?XML version= "1.0" encoding= "Utf-8"?><Manifestxmlns:android= "Http://schemas.android.com/apk/res/android" Package= "Com.example.wkp.broadcast">    <!--declaring custom Power -    <PermissionAndroid:name= "Com.example.wkp.broadcast.MY_PEMISSION"/>    <ApplicationAndroid:allowbackup= "true"Android:icon= "@mipmap/ic_launcher"Android:label= "@string/app_name"Android:supportsrtl= "true"Android:theme= "@style/apptheme">        <ActivityAndroid:name=". Mainactivity ">            <!--<intent-filter> -                <!--<action android:name= "Android.intent.action.MAIN"/> -                <!--<category android:name= "Android.intent.category.LAUNCHER"/> -            <!--</intent-filter> -        </Activity>        <ActivityAndroid:name=". Secondactivity ">            <Intent-filter>                <ActionAndroid:name= "Android.intent.action.MAIN" />                <categoryAndroid:name= "Android.intent.category.LAUNCHER" />            </Intent-filter>        </Activity>        <receiverAndroid:name=". MyReceiver2 ">            <Intent-filter>                <ActionAndroid:name= "Com.example.wkp.broadcast.MY_ACTION"/>            </Intent-filter>        </receiver>         <!--Static Registration -        <receiverAndroid:name=". Myreceiver ">            <Intent-filter>                <!--action triggers broadcast when airplane mode is turned on -                <!--<action android:name= "Android.intent.action.AIRPLANE_MODE"/> -                <!--cannot be implemented temporarily when receiving SMS -                <!--<action android:name= "Android.provider.Telephony.SMS_RECEIVED"/> -                <!--<action android:name= "Android.provider.Telephony.SMS_DELIVER"/> -            </Intent-filter>        </receiver>    </Application>    <!--Turn on SMS permissions -    <uses-permissionAndroid:name= "Android.permission.SEND_SMS"></uses-permission>    <uses-permissionAndroid:name= "Android.permission.RECEIVE_SMS"></uses-permission>    <uses-permissionAndroid:name= "Android.permission.READ_SMS"></uses-permission>    <!--Custom Power -    <uses-permissionAndroid:name= "Com.example.wkp.broadcast.MY_PEMISSION"></uses-permission></Manifest>

Androidmainfest.xml

Notice that the custom power is declared

<permission android:name= "Com.example.wkp.broadcast.MY_PEMISSION"/>

Open Power

<uses-permission android:name= "Com.example.wkp.broadcast.MY_PEMISSION" ></uses-permission>

Static registration

<receiver android:name= ". MyReceiver2 ">
    <intent-filter>
        <action android:name= "Com.example.wkp.broadcast.MY_ACTION"/>
    </intent-filter>
</receiver>

 PackageCom.example.wkp.broadcast;ImportAndroid.content.BroadcastReceiver;ImportAndroid.content.Context;Importandroid.content.Intent;ImportAndroid.util.Log;/*** Created by WKP on 2016/9/21.*/ Public classMyReceiver2extendsbroadcastreceiver{@Override Public voidOnReceive (Context context, Intent Intent) {LOG.V ("HH", "Get Broadcast"); }}

Myreceiver2.java

Receiver

 PackageCom.example.wkp.broadcast;Importandroid.app.Activity;Importandroid.content.Intent;ImportAndroid.os.Bundle;ImportAndroid.util.Log;ImportAndroid.view.View;ImportAndroid.widget.Button;/*** Created by WKP on 2016/9/21.*/ Public classSecondactivityextendsActivity {PrivateButton btn=NULL; @Overrideprotected voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_second); BTN=(Button) Findviewbyid (r.id.send); Btn.setonclicklistener (NewView.onclicklistener () {@Override Public voidOnClick (View v) {Intent Intent=NewIntent (); Intent.setaction ("Com.example.wkp.broadcast.MY_ACTION"); Sendbroadcast (Intent,"Com.example.wkp.broadcast.MY_PEMISSION"); LOG.V ("Hehe", "already send");    }        }); }}

Secondactivity.java

Click the button to send the broadcast

Ordered broadcast first defines the first receive

Abortbroadcast (); Ignore broadcast

Can be set by Android:priority priority is not written as 0

You can set whether to receive broadcasts from other apps

You can set whether the broadcast local broadcast is received by another app Localbroadcastmanager

Private Localbroadcastmanager manager= localbroadcastmanager.getinstance (this);

Localreceiver receiver=new localreceiver ();

Intentfilter filter=new Intentfilter ();

Filter.addaction ("Com.example.wkp.broadcast.MY_ACTION");

Manager.registerreceiver (Receiver,filter);

Getting Started with Android--broadcast (2)