通知处理程序
void firebaseCloudMessagingListeners() {
_firebaseMessaging.configure(
onMessage: (Map<String, dynamic> message) async {
print('onMessage ==> $message');
messageHandler(message);
},
onResume: (Map<String, dynamic> message) async {
print('onResume ==> $message');
messageHandler(message);
},
onLaunch: (Map<String, dynamic> message) async {
print('onLaunch ==> $message');
messageHandler(message);
},
onBackgroundMessage: Platform.isIOS ? null : myBackgroundMessageHandler,
);
}
static Future<dynamic> myBackgroundMessageHandler(
Map<String, dynamic> message) {
print('onBackgroundMessage ==> $message');
if (message.containsKey('data')) {
final dynamic data = message['data'];
print('$data');
}
if (message.containsKey('notification')) {
final dynamic notification = message['notification'];
print('$notification');
}
return null;
}
POST https://fcm.googleapis.com/fcm/send
{
"to": "myFCMToken",
"priority": "high",
"data": {
"click_action": "FLUTTER_NOTIFICATION_CLICK",
"data_title": "data_title",
"data_body": "data_body"
},
"notification": {
"title": "Good Night",
"body": "Wish you have a nice dream..",
"sound": "default"
}
}
当我用以上载荷发送通知时,通知会被传递到系统托盘,当我点击它时,会出现以下三种情况:
问题是如何接收或处理通知中的"data",同时通知也会传递到系统托盘? 任何帮助将不胜感激。
- 应用程序在后台(关闭/终止),"data"呈现并调用onLaunch方法。
- 应用程序在后台(最小化),"data"丢失,onResume方法未被调用。
- 应用程序在前台,"data"丢失,未调用onMessage方法。