2011. 3. 21. 18:10
[android] C2DM을 이용한 push notification
2011. 3. 21. 18:10 in 개발/모바일OS(안드로이드,아이폰,윈도모바일등)
C2DM 소개
등록
http://code.google.com/intl/ko-KR/android/c2dm/signup.html 에서 가입을 하고나면 해당 메일 주소로 메일이 하나 온다.
AUTH 정보 받기
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import java.io.BufferedReader;import java.io.InputStreamReader;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;public class Auth_android { private static String EMAIL = "메일주소"; private static String PASS = "메일주소 비밀번호"; private static String SOURCE = "알아보기 쉽게 적힌 프로그램 정보(예 : company-project-version. apple-iphone-4.2.1)"; public static void main( String[] args ) throws Exception { try { StringBuffer postDataBuilder = new StringBuffer(); postDataBuilder.append("Email=" + EMAIL); postDataBuilder.append("&Passwd=" + PASS); postDataBuilder.append("&accountType=GOOGLE"); postDataBuilder.append("&source=" + SOURCE); postDataBuilder.append("&service=ac2dm"); byte[] postData = postDataBuilder.toString().getBytes("UTF8"); URL url = new URL(HOST); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length",Integer.toString(postData.length)); OutputStream out = conn.getOutputStream(); out.write(postData); out.close(); BufferedReader in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String inputLine; while ((inputLine = in.readLine()) != null) { System.out.println(inputLine); } } catch (Exception e) { e.printStackTrace(); } } }// 결과SID=DQAAAL0AAADVvGAVXO.......LSID=DQAAAL8AAAAp5iSaE8h.........Auth=DQAAAL8AAADrYkFbucd............// 요것만 사용함 |
registration_id 받기
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<?xml version="1.0" encoding="utf-8"?> package="mint.TestC2dm" android:versionCode="1" android:versionName="1.0" android:minSdkVersion="8"> <permission android:name="mint.TestC2dm.permission.C2D_MESSAGE" android:protectionLevel="signature" /> <uses-permission android:name="mint.TestC2dm.permission.C2D_MESSAGE" /> <uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" /> <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="android.permission.WAKE_LOCK" /> <uses-permission android:name="android.permission.GET_ACCOUNTS" /> <uses-permission android:name="android.permission.USE_CREDENTIALS" /> <uses-permission android:name="android.permission.READ_PHONE_STATE" /> <application android:icon="@drawable/icon" android:label="@string/app_name"> <activity android:name=".TestC2dm" android:theme="@android:style/Theme.Black.NoTitleBar" 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=".C2DMReceiver" android:permission="com.google.android.c2dm.permission.SEND"> <intent-filter> <action android:name="com.google.android.c2dm.intent.RECEIVE" /> <category android:name="mint.TestC2dm" /> </intent-filter> <intent-filter> <action android:name="com.google.android.c2dm.intent.REGISTRATION" /> <category android:name="mint.TestC2dm" /> </intent-filter> </receiver> <activity android:name=".showMsg" android:screenOrientation="portrait" android:theme="@android:style/Theme.Translucent" android:launchMode="singleTask"> <intent-filter> <action android:name="android.intent.action.AlertDialogs" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> </application></manifest> |
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package mint.TestC2dm;import android.app.Activity;import android.app.PendingIntent;import android.content.Intent;import android.os.Bundle;import android.view.View;public class TestC2dm extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } // 등록 public void onRegist(View v) { Intent registrationIntent = new Intent("com.google.android.c2dm.intent.REGISTER"); registrationIntent.putExtra("app", PendingIntent.getBroadcast(this, 0, new Intent(), 0)); registrationIntent.putExtra("sender", "메일주소"); startService(registrationIntent); } // 해지 public void onUnregist(View v) { Intent unregIntent = new Intent("com.google.android.c2dm.intent.UNREGISTER"); unregIntent.putExtra("app", PendingIntent.getBroadcast(this, 0, new Intent(), 0)); startService(unregIntent); }} |
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<?xml version="1.0" encoding="utf-8"?> android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent"> <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="가입" android:onClick="onRegist"/> <Button android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="해지" android:onClick="onUnregist"/></LinearLayout>l |
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package mint.TestC2dm;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.util.Log;import android.widget.Toast;public class C2DMReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { Log.e("###############", "onReceive"); if (intent.getAction().equals("com.google.android.c2dm.intent.REGISTRATION")) { handleRegistration(context, intent); } else if (intent.getAction().equals("com.google.android.c2dm.intent.RECEIVE")) { handleMessage(context, intent); } } private void handleRegistration(Context context, Intent intent) { Log.e("###############", "handleRegistration"); String registration = intent.getStringExtra("registration_id"); if (intent.getStringExtra("error") != null) { // Registration failed, should try again later. } else if (intent.getStringExtra("unregistered") != null) { Log.e("@@@@@@@@unregistered", "unregistered"); } else if (registration != null) { // Send the registration ID to the 3rd party site that is sending the messages. // This should be done in a separate thread. // When done, remember that all registration is done. Log.e("@@@@@@@@registration_id", registration); } } private void handleMessage(Context context, Intent intent) { Log.e("###############", "handleMessage"); String title = intent.getStringExtra("title"); String msg = intent.getStringExtra("msg"); // 화면 깨우기 PushWakeLock.acquireCpuWakeLock(context); Intent i = new Intent(context, showMsg.class); Bundle b = new Bundle(); b.putString("title", title); b.putString("msg", msg); i.putExtras(b); i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); context.startActivity(i); }} |
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package mint.TestC2dm;import android.app.KeyguardManager;import android.content.Context;import android.os.PowerManager;import android.util.Log;class PushWakeLock { private static PowerManager.WakeLock sCpuWakeLock; private static KeyguardManager.KeyguardLock mKeyguardLock; private static boolean isScreenLock; static void acquireCpuWakeLock(Context context) { Log.e("PushWakeLock", "Acquiring cpu wake lock"); if (sCpuWakeLock != null) { return; } PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE); sCpuWakeLock = pm.newWakeLock( PowerManager.SCREEN_BRIGHT_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP | PowerManager.ON_AFTER_RELEASE, "I'm your father"); sCpuWakeLock.acquire(); // KeyguardManager km = (KeyguardManager)context.getSystemService(context.KEYGUARD_SERVICE);// mKeyguardLock = km.newKeyguardLock("key guard");// if (km.inKeyguardRestrictedInputMode()) {// mKeyguardLock.disableKeyguard();// isScreenLock = true;// } else {// isScreenLock = false;// } } static void releaseCpuLock() { Log.e("PushWakeLock", "Releasing cpu wake lock");// if (isScreenLock) {// mKeyguardLock.reenableKeyguard();// isScreenLock = false;// } if (sCpuWakeLock != null) { sCpuWakeLock.release(); sCpuWakeLock = null; } }} |
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package mint.TestC2dm;import android.app.Activity;import android.app.AlertDialog;import android.content.DialogInterface;import android.content.Intent;import android.os.Bundle;import android.view.Window;import android.view.WindowManager;public class showMsg extends Activity { @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); String title, msg; Bundle bun = getIntent().getExtras(); title = bun.getString("title"); msg = bun.getString("msg"); AlertDialog.Builder alertDialog = new AlertDialog.Builder(showMsg.this); alertDialog.setPositiveButton("닫기", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { PushWakeLock.releaseCpuLock(); showMsg.this.finish(); } }); alertDialog.setNegativeButton("보기", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startActivity(new Intent().setClassName(getPackageName(), getPackageName()+".TestC2dm")); PushWakeLock.releaseCpuLock(); showMsg.this.finish(); } }); alertDialog.setTitle(title); alertDialog.setMessage(msg); alertDialog.show(); // 폰 설정의 조명시간을 가져와서 해당 시간만큼만 화면을 켠다. int defTimeOut = Settings.System.getInt(getContentResolver(), Settings.System.SCREEN_OFF_TIMEOUT, 15000); TimerTask task = new TimerTask() { @Override public void run() { PushWakeLock.releaseCpuLock(); } }; Timer timer = new Timer(); timer.schedule(task, defTimeOut); }} |
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###############: onReceive###############: handleRegistrationregistration_id: APA91bGxex5sJi5hbeQkGUaURZo8....... |
메세지 보내기
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import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;public class Push { private static String AUTH = "DQAAAL8AAADrYkFbucd............"; // DB에 저장된 디바이스 토큰 목록 private static String[] arrId = { "APA91bGxex5sJi5hbeQkGUaURZo8......."// "APA91bHCRg6NhgMYv8Rbb2LVCoj4al......." }; public static void main( String[] args ) throws Exception { for (int i=0; i<arrId.length; i++) { androidPush(arrId[i], "제목", "내용"); } } public static void androidPush(String regId, String title, String msg) throws Exception { try { StringBuffer postDataBuilder = new StringBuffer(); postDataBuilder.append("registration_id=" + regId); // 등록ID postDataBuilder.append("&collapse_key=1"); postDataBuilder.append("&delay_while_idle=1"); postDataBuilder.append("&data.title=" + URLEncoder.encode(title, "UTF-8")); // 제목 postDataBuilder.append("&data.msg=" + URLEncoder.encode(msg, "UTF-8")); // 내용 byte[] postData = postDataBuilder.toString().getBytes("UTF8"); URL url = new URL(HOST); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded"); conn.setRequestProperty("Content-Length",Integer.toString(postData.length)); conn.setRequestProperty("Authorization", "GoogleLogin auth="+AUTH); OutputStream out = conn.getOutputStream(); out.write(postData); out.close(); conn.getInputStream(); } catch (Exception e) { e.printStackTrace(); } } } |
결과
문제점
- 메세지는 한번에 하나의 폰에만 전송 가능(해당 registration_id를 가진 폰에만 전송)=>그래서 loop를 돌아야한다
- 가끔씩 엄청 느리게 오는 메세지가 있다.(잘 되다가도 10분후에 메세지가 오는 경우도 있다)
- 폰에 구글계정을 등록해놔야한다
장점
- 한번 구독을 하면 앱이 실행되고있지 않아도 구독이 가능(재부팅 후 앱 실행없이도 정상 작동)
