我自己创建的一个程序,在程序中自定义一个广播接收器类,同时想截断这个广播:
package com.example.smstest;
import android.os.Bundle;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.telephony.gsm.SmsMessage;
import android.view.Menu;
import android.widget.TextView;
public class MainActivity extends Activity {
private TextView sender;
private TextView content;
private IntentFilter receiveFilter;
private MessageReceiver messageReceiver;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sender=(TextView)findViewById(R.id.sender);
content=(TextView)findViewById(R.id.content);
receiveFilter=new IntentFilter();
receiveFilter.addAction("android.provider.Telephony.SMS_RECEIVED");
receiveFilter.setPriority(100);
messageReceiver=new MessageReceiver();
registerReceiver(messageReceiver, receiveFilter);
}
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
unregisterReceiver(messageReceiver);
}
class MessageReceiver extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
Bundle bundle=intent.getExtras();
Object[] pdus=(Object[]) bundle.get("pdus");
SmsMessage[] messages=new SmsMessage[pdus.length];
for(int i=0;i<messages.length;i++){
messages[i]=SmsMessage.createFromPdu((byte[])pdus[i]);
}
String address=messages[0].getOriginatingAddress();
String fullMessage="";
for(SmsMessage message : messages){
fullMessage += message.getMessageBody();
}
sender.setText(address);
content.setText(fullMessage);
abortBroadcast();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
但是运行程序后,系统自带短信程序仍可以接收到,拦截失败。如图:
配置文件:
<?xml version="1.0" encoding="utf-8"?>
package="com.example.smstest"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="14"
android:targetSdkVersion="18" />
<uses-permission android:name="android.permission.RECEIVE_SMS"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.smstest.MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>