我在远程服务器上使用pyFCM将事件通知推送到我的应用程序。该通知还具有数据有效载荷，这对于进行某些UI更改是必需的。
当服务器应用程序向应用程序发送通知时，电话上会弹出一条通知，按此键将打开默认活动。另外，我在扩展FirebaseMessagingService的服务中重写了onMessageReceived，然后从消息中获取数据有效负载并进行处理。
我在SO上看到了多个这样的问题：
上述所有SO问题的共同点在于，它们涉及使用 Notification.Builder 构建通知，然后设置要打开的Activity（或被触发的onNewIntent取决于它是否为android：launchMode是清单中的“ singleTop” ）。我的独特理解是，如果使用FCM向应用发送数据消息而不是通知，该方法将起作用。
问题
我真正不明白的是，在从FCM接收数据后 设置通知如何帮助我更改从FCM推送接收到的通知的行为。甚至可能，或者我弄错了吗？
该问题的第二部分是：如何处理用户单击推送通知以在活动中加载特定片段的情况（当我不是在应用程序中创建片段的人时-通过FCM刚收到）？
这是在我的应用中运行的当前代码。
onMessage接收到的代码为：
@Override
public void onMessageReceived(RemoteMessage remoteMessagenew) {
this.remoteMessage = remoteMessagenew;
super.onMessageReceived (remoteMessage);
database = MyDatabase.getDatabase(getApplication());
appuser = database.AppDao().getUserDetails();
Log.d(TAG, "onMessageReceived: ");
Log.d (TAG, "onMessageReceived: #########################################################");
Log.d (TAG, "onMessageReceived: #########################################################");
Log.d (TAG, "onMessageReceived: Message Data is : " + remoteMessage.getData ());
Map messageData = remoteMessage.getData ();
// Broadcast
args = new Bundle ();
int stage = 0 ;
Log.d (TAG, "onMessageReceived: ");
if(messageData.containsKey ("otherid")) {
incidenthandler(messageData);
} else if(messageData.containsKey ("itemid")) {
itemhandler(messageData);
}
}
用于处理要在应用程序屏幕上刷新的数据的项目处理程序
private void itemhandler(Map messageData) {
messagebody = remoteMessage.getNotification().getBody();
if(messageData.containsKey("itemid")) {
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: UPDATING");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
String item = (String ) messageData.get("itemid");
JsonParser jsonParser = new JsonParser();
JsonObject jsonObject = (JsonObject)jsonParser.parse(item);
item refreshedItem = parseFromJson(jsonObject);
database.revivDao().upsert(refreshedItem);
} else {
// this really shouldn't happen, but putting in a scenario where this does
// syncing the db with the app
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: REFRESHING ");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
// this triggers a call to my intentservice to refresh the db
Log.d(TAG, "itemhandler: refreshing items");
Intent intent = new Intent ("refreshitems");
Bundle clickdata = new Bundle();
data.putString("item_sub1", item_sub1);
data.putString("item_sub1", item_sub1);
intent.putExtra("data", clickdata) ; // add Bundle to Intent
localBroadcastManager.getInstance(getApplication()).sendBroadcast(intent); // Broadcast Intent
}
String itemid = messageData.get("itemid").toString();
try{
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: sending localbroadcast");
Log.d(TAG, "itemhandler: #######################");
Log.d(TAG, "itemhandler: #######################");
// this is where I try and switch to the screen to display some info - if the app is running
Intent notificationIntent = new Intent("switchtofragment");
notificationIntent.putExtra("launchitemfragment", true);
notificationIntent.putExtra("itemid", itemid);
notificationIntent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
if(localBroadcastManager == null) localBroadcastManager = LocalBroadcastManager.getInstance(getApplication());
localBroadcastManager.sendBroadcast(notificationIntent);
// now override the notification to load the fragment on click
setupNotification(itemid, messagebody);
notificationManager.notify(1, builder.build());
} catch (NullPointerException e){
return;
}
}
最后，用于处理通知的函数：
private void setupNotification(String housecallid, String message) {
//Log.d(TAG, "setting up notification");
String idChannel = ANDROID_CHANNEL_ID;
Context context = getApplicationContext();
Intent notificationIntent = new Intent(getApplicationContext(), Reviv.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
notificationIntent.putExtra("housecallid", housecallid);
notificationIntent.putExtra("launchhousecallfragment", true);
Bundle extras = new Bundle();
extras.putBoolean("launchhousecallfragment", true);
extras.putString("housecallid", housecallid);
notificationIntent.putExtras(extras);
notificationIntent.putExtra("data", extras);
PendingIntent pendingIntent = PendingIntent.getActivity(this,0, notificationIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
if(notificationManager == null )
notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
builder = new NotificationCompat.Builder(context, null);
builder. setSmallIcon(R.drawable.heart)
.setLargeIcon(BitmapFactory.decodeResource(context.getResources(),
R.drawable.heart))
.setContentIntent(pendingIntent)
.setContentTitle("Reviv")
.setContentText(message);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
if(notificationChannel == null) {
notificationChannel = new NotificationChannel(idChannel, context.getString(R.string.app_name), importance);
// Configure the notification channel.
notificationChannel.setDescription("Reviv Housecall Notification");
notificationChannel.enableLights(true);
notificationChannel.setLightColor(Color.RED);
notificationChannel.setVibrationPattern(new long[]{100, 200, 300, 400, 500, 400, 300, 200, 400});
notificationManager.createNotificationChannel(notificationChannel);
builder.setChannelId(idChannel);
builder.setAutoCancel(true);
}
} else {
builder.setContentTitle(context.getString(R.string.app_name))
.setPriority(NotificationCompat.PRIORITY_HIGH)
.setColor(ContextCompat.getColor(context, R.color.transparent))
.setVibrate(new long[]{100, 250})
.setLights(Color.RED, 500, 5000)
.setAutoCancel(true);
}
builder.setContentIntent(pendingIntent);
}
答案 0 :(得分：0)
Reviv活动开始时检查其他内容，并相应地替换片段。 getIntent().getExtras()）通知。