class MainActivity

package org.androidtown.mysmsreceiver;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
    }
}

 

R.layout.activity_main

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="org.androidtown.mysmsreceiver.MainActivity">

    <Button
        android:text="Button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginLeft="114dp"
        android:layout_marginStart="114dp"
        android:layout_marginTop="127dp"
        android:id="@+id/button" />
</RelativeLayout>

 

 

class MySMSReceiver

 

 

package org.androidtown.mysmsreceiver;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.util.Log;

public class MySMSReceiver extends BroadcastReceiver {

    private final static String TAG="MySMSReceiver";

    public MySMSReceiver() {
    }


    @Override
    public void onReceive(Context context, Intent intent) {
        Log.d(TAG, "onReceive() 호출됨");
        Intent myIntent =new Intent(context, MainActivity.class);
        //한번 만들어진 인텐트는 새로 만들지 말고 재사용 하라
        myIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK|Intent.FLAG_ACTIVITY_SINGLE_TOP);
        context.startActivity(myIntent);
    }


}

 

 

AndroidMainfest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="org.androidtown.mysmsreceiver">

    <uses-permission android:name="android.permission.RECEIVE_SMS" />
    
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        <receiver
            android:name=".MySMSReceiver"
            android:enabled="true"
            android:exported="true">
            <intent-filter>
                <action android:name="android.provider.Telephony.SMS_RECEIVED" />
            </intent-filter>
        </receiver>
    </application>

    

</manifest>

 

 

 

 

 

 

 

32강

 

 

33강