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我一直在使用Google Cloud Messaging API開發Android Messenger。我一直在遵循在http://developer.android.com/google/gcm/index.html上給出的教程。我能夠在正確的設備上成功接收通知。但是我無法更改通知的內容。如何修改Google Cloud Messaging中的通知接收方？
我已經做了一個消息類，這是我實際發送。該消息類包含消息的基本細節。我添加了sender_name和message_body作爲GCM示例中沒有的附加字段。
Message.java
private final String collapseKey;
private final Boolean delayWhileIdle;
private final Integer timeToLive;
private final Map<String, String> data;
private final Boolean dryRun;
private final String restrictedPackageName;
private final String sender_name;
private final String message_body;
private final String TAG = "Akshay Messenger";
我不能發佈整個代碼，因爲它太冗長。 get和set方法也適用於這個類中的各個領域。
以一個隨機例如，傳遞給HTTP POST方法的最終體看起來像以下
字符串體傳遞給HTTP POST方法
registration_id=this_is_the_registration_id&delay_while_idle=0&collapse_key=Akshay&sender_name=sfvshh&messaage_body=dhbvsh&time_to_live=108
用於發送POST請求的功能
Sender.java
protected HttpURLConnection post(String url, String contentType, String body) throws IOException
{
Log.i(TAG, "Sender Class Making a HTTP Post request to a given url using a content .");
if (url == null || body == null)
{
Log.i(TAG, "Sender Class URL is null or body is null.");
throw new IllegalArgumentException("arguments cannot be null");
}
if (!url.startsWith("https://"))
{
Log.i(TAG, "Sender Class URL does not use https: " + url);
}
Log.i(TAG, "Sender Class Sending POST to " + url);
Log.i(TAG, "Sender Class POST body: " + body);
byte[] bytes = body.getBytes();
HttpURLConnection conn = getConnection(url);
conn.setDoOutput(true);
conn.setUseCaches(false);
conn.setFixedLengthStreamingMode(bytes.length);
conn.setRequestMethod("POST");
conn.setRequestProperty("Content-Type", contentType);
conn.setRequestProperty("Authorization", "key=" + key);
OutputStream out = conn.getOutputStream();
try
{
out.write(bytes);
Log.i(TAG, "Sender Class bytes : " + new String(bytes));
}
finally
{
close(out);
}
Log.i(TAG, "Sender Class HTTP Post object : " + conn);
Log.i(TAG, "Sender Class HTTP Post Object OutStream Object " + out.toString());
return conn;
}
用於接收該通知的類如下：
GCMIntentService.java
protected void onHandleIntent(Intent intent)
{
Log.i(TAG, "GCM Intent Service Inside GCMIntentService class.");
Bundle extras = intent.getExtras();
Log.i(TAG, "GCM Intent Service extras.toString() : " + extras.toString());
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);
String messageType = gcm.getMessageType(intent);
if (!extras.isEmpty())
{
Log.i(TAG, "GCM Intent Service Message recieved.");
if (GoogleCloudMessaging.MESSAGE_TYPE_SEND_ERROR.equals(messageType))
{
sendNotification("Send error: " + extras.toString());
}
else if (GoogleCloudMessaging.MESSAGE_TYPE_DELETED.equals(messageType))
{
sendNotification("Deleted messages on server: " + extras.toString());
}
else if (GoogleCloudMessaging.MESSAGE_TYPE_MESSAGE.equals(messageType))
{
Log.i(TAG, "GCM Intent Service Message recieved in a correct format.");
sendNotification("Received: " + extras.toString());
Log.i(TAG, "GCM Intent Service Received: " + extras.toString());
}
else
{
Log.i(TAG, "GCM Intent Service Message Sent taking back the control.");
}
}
}
private void sendNotification(String msg)
{
Log.i(TAG, "GCM Intent Service Notificaton Manager called.");
mNotificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0, new Intent(this, MainActivity.class), 0);
NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(this).setSmallIcon(R.drawable.ic_stat_gcm).setContentTitle(TAG).setStyle(new NotificationCompat.BigTextStyle().bigText(msg)).setContentText(msg);
mBuilder.setContentIntent(contentIntent);
mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
}
i之後上發送按鈕是有關於MainActivity點擊我可以接收通知，但所有額外的屬性都丟失了。通知看起來像以下：
所有其他atributtes丟失。任何幫助將被大大承認。我已經浪費了很多時間，但仍然陷入同樣的問題。
的logcat的看起來像這樣（我張貼只是它的relevnat部分）：
logcat的
08-29 14:43:47.237: I/Akshay Messenger(2909): Main Activity Main Activity Inside Main Activity Application started.
08-29 14:43:47.247: I/Akshay Messenger(2909): Main Activity Checking for Google Play Services.
08-29 14:43:47.297: I/Akshay Messenger(2909): Main Activity Google Services SDK found.
08-29 14:43:47.297: I/Akshay Messenger(2909): Main Activity Getting the registration ID for the device.
08-29 14:43:47.297: I/Akshay Messenger(2909): Main Activity Getting the GCM Preferences Context Variables.
08-29 14:43:47.297: I/Akshay Messenger(2909): Main Activity Getting the App Version.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity App version = 1
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Registeration ID found, Registeration ID = THIS_IS_MY_REGISTRATION_ID
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Resuming the activity.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Checking for Google Play Services.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Google Services SDK found.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Getting the registration ID for the device.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Getting the GCM Preferences Context Variables.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Getting the App Version.
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity App version = 1
08-29 14:43:47.307: I/Akshay Messenger(2909): Main Activity Registeration ID found, Registeration ID = THIS_IS_MY_REGISTRATION_ID
08-29 14:43:58.218: I/Akshay Messenger(2909): Main Activity Send Button Pressed.
08-29 14:43:58.258: I/Akshay Messenger(2909): message_content : ghjkl
08-29 14:43:58.298: I/Akshay Messenger(2909): Main Activity Sending the registration ID to Backend Server.
08-29 14:43:58.298: I/Akshay Messenger(2909): Main Activity sender_name : asdf
08-29 14:43:58.298: I/Akshay Messenger(2909): Main Activity message_body : ghjkl
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class API Key Recieved : THIS_IS_THE_API_KEY
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class sendNoRetry function called.
08-29 14:43:58.328: I/Akshay Messenger(2909): Message Converting message object to string.
08-29 14:43:58.328: I/Akshay Messenger(2909): Message CollapseKey not null
08-29 14:43:58.328: I/Akshay Messenger(2909): Message timeToLive not null
08-29 14:43:58.328: I/Akshay Messenger(2909): Message delayWhileIdle not null
08-29 14:43:58.328: I/Akshay Messenger(2909): Message sender_name not null
08-29 14:43:58.328: I/Akshay Messenger(2909): Message message_body not null
08-29 14:43:58.328: I/Akshay Messenger(2909): Message final builder.toString() : Message(collapseKey=Akshay, timeToLive=108, delayWhileIdle=false, sender_name=asdf, message_body=ghjkl)
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class Message message : Message(collapseKey=Akshay, timeToLive=108, delayWhileIdle=false, sender_name=asdf, message_body=ghjkl)
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class String registrationId : THIS_IS_MY_REGISTRATION_ID
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class delayWhileIdle bit is not null passing to body.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class collapseKey bit not null passing to body.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class sender_name is not null passing to body.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class message_body is not null passing to body.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class timeToLive bit not null passing to body.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender HTTP requestBody : registration_id=THIS_IS_MY_REGISTRATION_ID&delay_while_idle=0&collapse_key=Akshay&sender_name=asdf&messaage_body=ghjkl&time_to_live=108
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class Making the Http Post request.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class making a HTTP Post request to a given URL.
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class Making a HTTP Post request to a given url using a content .
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class Sending POST to https://android.googleapis.com/gcm/send
08-29 14:43:58.328: I/Akshay Messenger(2909): Sender Class POST body: registration_id=THIS_IS_MY_REGISTRATION_ID&delay_while_idle=0&collapse_key=Akshay&sender_name=asdf&messaage_body=ghjkl&time_to_live=108
08-29 14:44:05.535: I/Akshay Messenger(2909): Sender Class bytes : registration_id=THIS_IS_MY_REGISTRATION_ID&delay_while_idle=0&collapse_key=Akshay&sender_name=asdf&messaage_body=ghjkl&time_to_live=108
08-29 14:44:05.535: I/Akshay Messenger(2909): Sender Class HTTP Post object : com.android.okhttp.internal.http.HttpsURLConnectionImpl$HttpUrlConnectionDelegate:https://android.googleapis.com/gcm/send
08-29 14:44:05.535: I/Akshay Messenger(2909): Sender Class HTTP Post Object OutStream Object com.and[email protected]44944cc8
08-29 14:44:05.535: I/Akshay Messenger(2909): Sender Class Post request completed.
08-29 14:44:06.215: I/Akshay Messenger(2909): conn.getInputStream() : co[email protected]44949468
08-29 14:44:06.215: I/Akshay Messenger(2909): Sender Class Status code : 200
08-29 14:44:06.215: I/Akshay Messenger(2909): Sender Class Successfull message status return code.
08-29 14:44:06.215: I/Akshay Messenger(2909): Sender Class inside getAndClose function.
08-29 14:44:06.215: I/Akshay Messenger(2909): Sender class getAndClose stream co[email protected]44949468
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class inside getString function.
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class responseBody : id=0:1409303399939497%ca7e668b7504ac97
08-29 14:44:06.225: I/Akshay Messenger(2909): lines.length : 1
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class TOKEN_MESSAGE_ID match found.
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class Checking for messageId = 0:1409303399939497%ca7e668b7504ac97 in Result Class.
08-29 14:44:06.225: I/Akshay Messenger(2909): Inside Result.Builder.build()
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class result = [ messageId=0:1409303399939497%ca7e668b7504ac97 ]
08-29 14:44:06.225: I/Akshay Messenger(2909): Sender Class Message created successfully.
08-29 14:44:06.225: I/Akshay Messenger(2909): Main Activity Sender function called.
08-29 14:44:06.225: I/Akshay Messenger(2909): Main Activity message sending status : Sent message msgID : 1 Message : ghjkl
08-29 14:44:06.446: I/Akshay Messenger(2909): GCM Intent Service Inside GCMIntentService class.
08-29 14:44:06.446: I/Akshay Messenger(2909): GCM Intent Service extras.toString() : Bundle[mParcelledData.dataSize=256]
08-29 14:44:06.446: I/Akshay Messenger(2909): GCM Intent Service Message recieved.
08-29 14:44:06.446: I/Akshay Messenger(2909): GCM Intent Service Message Sent taking back the control.
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service Inside GCMIntentService class.
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service extras.toString() : Bundle[mParcelledData.dataSize=208]
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service Message recieved.
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service Message recieved in a correct format.
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service Notificaton Manager called.
08-29 14:44:06.516: I/Akshay Messenger(2909): GCM Intent Service Received: Bundle[{from=678478691968, android.support.content.wakelockid=2, collapse_key=Akshay}]