ACTION_MY_PACKAGE_REPLACED 사용하기

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.mypackagereplaced"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="17" />

        
    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.mypackagereplaced.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>
        
        <receiver
            android:name=".Receiver" >
            <intent-filter>
                <action android:name="android.intent.action.MY_PACKAGE_REPLACED" />
            </intent-filter>
        </receiver>
    </application>

</manifest>

Receiver.java

package com.example.mypackagereplaced;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.widget.Toast;

public class Receiver extends BroadcastReceiver {
  @Override
	public void onReceive(Context context, Intent intent) {
		if (intent.getAction().equals(Intent.ACTION_MY_PACKAGE_REPLACED)) {
			try {
				PackageManager pm = context.getPackageManager();
				PackageInfo info = pm.getPackageInfo(context.getPackageName(), 0);
				
				String versionName = info.versionName;
				int versionCode = info.versionCode;
			
				Toast.makeText(context, "[My Package replaced] name: " + versionName + " code: " + versionCode, Toast.LENGTH_LONG).show();
				
			} catch (NameNotFoundException e) {
				e.printStackTrace();
			}
		}
	}
}