Android Live更新？

Question

我正在創建一個使用JSON與Web服務器進行通信的安卓遊戲。 當有人開始一個新遊戲而另一個用戶時，我希望該用戶得到一個 即時通知。到目前爲止，我已經完成了通知，他們的工作， ，但它只會在我登錄遊戲時進行檢查，我如何創建一個實時更新 ，即使遊戲關閉，也許會以一分鐘的時間間隔進行檢查？

---

c2dm.php

<? 

function googleAuthenticate($username, $password, $source="Company-AppName-Version", $service="ac2dm") { 


    session_start(); 
    if(isset($_SESSION['google_auth_id']) && $_SESSION['google_auth_id'] != null) 
     return $_SESSION['google_auth_id']; 

    // get an authorization token 
    $ch = curl_init(); 
    if(!ch){ 
     return false; 
    } 

    curl_setopt($ch, CURLOPT_URL, "https://www.google.com/accounts/ClientLogin"); 
    $post_fields = "accountType=" . urlencode('HOSTED_OR_GOOGLE') 
     . "&Email=" . urlencode($username) 
     . "&Passwd=" . urlencode($password) 
     . "&source=" . urlencode($source) 
     . "&service=" . urlencode($service); 
    curl_setopt($ch, CURLOPT_HEADER, true); 
    curl_setopt($ch, CURLOPT_POST, true); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
    curl_setopt($ch, CURLOPT_FRESH_CONNECT, true); 
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_ANY); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 

    // for debugging the request 
    //curl_setopt($ch, CURLINFO_HEADER_OUT, true); // for debugging the request 

    $response = curl_exec($ch); 

    //var_dump(curl_getinfo($ch)); //for debugging the request 
    //var_dump($response); 

    curl_close($ch); 

    if (strpos($response, '200 OK') === false) { 
     return false; 
    } 

    // find the auth code 
    preg_match("/(Auth=)([\w|-]+)/", $response, $matches); 

    if (!$matches[2]) { 
     return false; 
    } 

    $_SESSION['google_auth_id'] = $matches[2]; 
} 


function sendMessageToPhone($authCode, $deviceRegistrationId, $msgType, $messageText) { 

    $headers = array('Authorization: GoogleLogin auth=' . $authCode); 
    $data = array(
     'registration_id' => $deviceRegistrationId, 
     'collapse_key' => $msgType, 
     'data.message' => $messageText //TODO Add more params with just simple data instead   
    ); 

    $ch = curl_init(); 

    curl_setopt($ch, CURLOPT_URL, "https://android.apis.google.com/c2dm/send"); 
    if ($headers) 
    curl_setopt($ch, CURLOPT_HTTPHEADER, $headers); 
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); 
    curl_setopt($ch, CURLOPT_POST, true); 
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); 
    curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 


    $response = curl_exec($ch); 

    curl_close($ch); 

    return $response; 
} 
?> 

C2DMRegistrationReceiver

public class C2DMRegistrationReceiver extends BroadcastReceiver 
{ 

@Override 
public void onReceive(Context context, Intent intent) { 
    String action = intent.getAction(); 
    Log.w("C2DM", "Registration Receiver called"); 
    if ("com.google.android.c2dm.intent.REGISTRATION".equals(action)) { 
     Log.w("C2DM", "Received registration ID"); 
     final String registrationId = intent 
       .getStringExtra("registration_id"); 
     String error = intent.getStringExtra("error"); 

     Log.d("C2DM", "dmControl: registrationId = " + registrationId 
       + ", error = " + error); 
     // TODO Send this to my application server 
    } 
} 

public void sendRegistrationIdToServer(String deviceId, String registrationId) { 

    Log.d("C2DM", "Sending registration ID to my application server"); 
    HttpClient client = new DefaultHttpClient(); 
    HttpPost post = new HttpPost("myserverpage"); 
    try { 
     List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(1); 
     // Get the deviceID 
     nameValuePairs.add(new BasicNameValuePair("deviceid", deviceId)); 
     nameValuePairs.add(new BasicNameValuePair("registrationid", registrationId)); 

     post.setEntity(new UrlEncodedFormEntity(nameValuePairs)); 
     HttpResponse response = client.execute(post); 
     BufferedReader rd = 
      new BufferedReader(new InputStreamReader(response.getEntity().getContent())); 
     String line = ""; 
     while ((line = rd.readLine()) != null) { 
      Log.e("HttpResponse", line); 
     } 
    } catch (IOException e) { 
     e.printStackTrace(); 
    } 
} 
} 

C2DMMessageReceiver

public class C2DMMessageReceiver extends BroadcastReceiver { 

@Override 
public void onReceive(Context context, Intent intent) { 
    String action = intent.getAction(); 
    Log.w("C2DM", "Message Receiver called"); 
    if ("com.google.android.c2dm.intent.RECEIVE".equals(action)) { 
     Log.w("C2DM", "Received message"); 
     final String payload = intent.getStringExtra("payload"); 
     Log.d("C2DM", "dmControl: payload = " + payload); 
     // Send this to my application server 
    } 
} 
} 

public void register(View view) { 
    Intent intent = new Intent("com.google.android.c2dm.intent.REGISTER"); 
    intent.putExtra("app",PendingIntent.getBroadcast(this, 0, new Intent(), 0)); 
    intent.putExtra("sender", "app-name@gmail.com"); 
    startService(intent); 
} 

現在，如果我開始對一個人的比賽，我有發信息類n到服務器。那我該怎麼做？

Answer 1

你可以通過執行Service來達到你想要的效果。但是，每分鐘發出一次HTTP請求以獲取狀態將會消耗電池電量。我建議您查看C2DM以便向客戶端發送推送通知。