Android Radio (II)

Below, we introduce the radio in SMS by SMS blocker.

Layout file

You can set the number that you want to intercept in the layout file

<?XML version= "1.0" encoding= "Utf-8"?><LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"android:orientation= "vertical"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent">    <TextViewAndroid:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"Android:textstyle= "Bold"android:textsize= "25SP"Android:text= "number to intercept"/>    <EditTextAndroid:id= "@+id/phonenum"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content" />    <ButtonAndroid:id= "@+id/sure"Android:layout_width= "Wrap_content"Android:layout_height= "Wrap_content"android:textsize= "18SP"Android:text= "Confirm"/></LinearLayout>

Activity

Get the data in the activity and save it to a local XML database

 PackageXidian.dy.com.chujia;ImportAndroid.content.Context;Importandroid.content.SharedPreferences;ImportAndroid.os.Bundle;Importandroid.support.v7.app.AppCompatActivity;ImportAndroid.view.View;ImportAndroid.widget.Button;ImportAndroid.widget.EditText;ImportAndroid.widget.Toast; Public classMainactivityextendsappcompatactivity {sharedpreferences sp; @Override Public voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.main); SP= Getsharedpreferences ("Hate", context.mode_private); Button Button=(Button) Findviewbyid (r.id.sure); if(Button! =NULL) Button.setonclicklistener (NewView.onclicklistener () {@Override Public voidOnClick (View v) {EditText et=(EditText) Findviewbyid (r.id.phonenum); if(Et! =NULL) {sp.getstring ("Num", Et.gettext (). toString ()); Toast.maketext (mainactivity. This, "Saved successfully", Toast.length_short). Show ();    }                }            }); }}

SMS Blocker

 PackageXidian.dy.com.chujia;ImportAndroid.content.BroadcastReceiver;ImportAndroid.content.Context;Importandroid.content.Intent;ImportAndroid.os.Build;ImportAndroid.os.Bundle;ImportAndroid.provider.Telephony;ImportAndroid.telephony.SmsMessage;ImportAndroid.util.Log;/*** Created by Dy on 2016/7/11.*/ Public classSmsrecieverextendsBroadcastreceiver {@Override Public voidOnReceive (Context context, Intent Intent) {//Message information encapsulated in intentBundle bundle =Intent.getextras (); Object[] Objects= (object[]) bundle.get ("PDUs"));        Smsmessage SMS; intCurrentapivversion =Build.VERSION.SDK_INT; //get all the text messages on the radio (it's possible that the text message is too long to be split into multiple pieces for sending)         for(Object obj:objects) {if(Currentapivversion >=Build.version_codes. LOLLIPOP) SMS= SMSMESSAGE.CREATEFROMPDU ((byte[]) obj, Telephony.Sms.Intents.SMS_RECEIVED_ACTION); ElseSMS= SMSMESSAGE.CREATEFROMPDU ((byte[]) obj); LOG.I ( This. GetClass (). GetName (), sms.getoriginatingaddress ()); LOG.I ( This. GetClass (). GetName (), Sms.getmessagebody ()); //Broadcast interception//messages from 1243 will be intercepted.            if(Sms.getoriginatingaddress (). Equals ("1243") ) {abortbroadcast (); }        }    }}

The format of the SMS is complex (number + information), so it is stored in the intent object. Due to the problem of the API level considered here it is necessary to make version judgments. The broadcast will be destroyed directly after calling Abortbroadcast.

Manifest file

Message acceptance is required in the manifest file because the broadcast recipient also has a priority problem ( -1000~1000), so we should set our interceptor priority to the highest (1000)

<?XML version= "1.0" encoding= "Utf-8"?><Manifestxmlns:android= "Http://schemas.android.com/apk/res/android" Package= "Xidian.dy.com.chujia">    <uses-permissionAndroid:name= "Android.permission.RECEIVE_SMS"/>    <ApplicationAndroid:allowbackup= "true"Android:icon= "@mipmap/ic_launcher"Android:label= "@string/app_name"Android:supportsrtl= "true"Android:theme= "@style/apptheme">        <ActivityAndroid:name=". Mainactivity "Android:label= "Main interface">            <Intent-filter>                <ActionAndroid:name= "Android.intent.action.MAIN" />                <categoryAndroid:name= "Android.intent.category.LAUNCHER" />            </Intent-filter>        </Activity>        <receiverAndroid:name=". Smsreciever ">            <Intent-filterandroid:priority= "+">                <ActionAndroid:name= "Android.provider.Telephony_SMS_RECIEVED"/>            </Intent-filter>        </receiver>    </Application></Manifest>

Attention

After Android4.0, if the app is installed but has never been launched by the user, or if the user manually kills the app process, the system does not actively activate the broadcast recipient in the app to accept the broadcast.

Android Radio (II)