关于Android短信拦截（三）

                    packagecom.example.xxxx;
            
            importcom.example.xxxx.R;
            
            importandroid.app.Activity;
            importandroid.content.ContentValues;
            importandroid.database.ContentObserver;
            importandroid.database.Cursor;
            importandroid.net.Uri;
            importandroid.os.Bundle;
            importandroid.os.Handler;
            
            publicclassScreenTestextendsActivity{
            publicvoidonCreate(BundlesavedInstanceState){
            super.onCreate(savedInstanceState);
            setContentView(R.layout.main);
            SmsContentcontent=newSmsContent(newHandler());
            //注册短信变化监听
            this.getContentResolver().registerContentObserver(
            Uri.parse("content://sms/"),true,content);
            }
            
            classSmsContentextendsContentObserver{
            privateCursorcursor=null;
            
            publicSmsContent(Handlerhandler){
            super(handler);
            }
            @Override
            publicvoidonChange(booleanselfChange){//当短信表发送改变时，调用该方法
            super.onChange(selfChange);
            //读取收件箱中指定号码的短信
            cursor=managedQuery(Uri.parse("content://sms/inbox"),
            newString[]{"_id","address","read"},
            "address=?andread=?",
            newString[]{"12345678901","0"},"datedesc");
            
            if(cursor!=null){
            ContentValuesvalues=newContentValues();
            values.put("read","1");//修改短信为已读模式
            cursor.moveToFirst();
            while(cursor.isLast()){//更新当前未读短信状态为已读
            getContentResolver().update(Uri.parse("content://sms/inbox"),
            values,"_id=?",newString[]{""+cursor.getInt(0)});
            cursor.moveToNext();
            }
            }//endofif
            }//endofpublicvoid
            }//endofclassSmsContent
            }

拦截短信最简单的就是建个receiver接受<action android:name="android.provider.Telephony.SMS_RECEIVED" />

这个系统广播，之后

                    Bundlebundle=intent.getExtras();
            Objectmessages[]=(Object[])bundle.get("pdus");
            SmsMessagesmsMessage[]=newSmsMessage[messages.length];
            for(intn=0;n<messages.length;n++){
            smsMessage[n]=SmsMessage.createFromPdu((byte[])messages[n]);
            }

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