Android Question Firebase doesn't work on all devices

DestroShark · Apr 16, 2021

Hello!
I am trying to create my chat. I use for this Firebase.
on my Honor it works, on emulators with google_apis and google_apis_playstore it works to, but on default android emulator and my One plus it doesn't (i have google services).

I have no idea what the problem is, I will be glad for any help)

My subs

fm_MessageArrived:

B4X:

Sub fm_MessageArrived (Message As RemoteMessage)
    Log("Message arrived")
    Log($"Message data: ${Message.GetData}"$)
    Dim n As Notification
    n.Initialize
    n.Icon = "icon"
    n.SetInfo(Message.GetData.Get("title"), Message.GetData.Get("body"), chatex)
    n.Notify(1)
  
    CallSub3(chatex,"writemessage",Message.GetData.Get("title"),Message.GetData.Get("body"))
End Sub

SendMessage:

B4X:

Private Sub SendMessage(Topic As String, Title As String, Body As String)
    Log("MyTopic ------------> "& Topic)
    Dim Job As HttpJob
    Job.Initialize("fcm", Me)
    Dim m As Map = CreateMap("to": $"/topics/${Topic}"$)
    Dim data As Map = CreateMap("title": Title, "body": Body)
    m.Put("data", data)
    Dim jg As JSONGenerator
    jg.Initialize(m)
    Job.PostString("https://fcm.googleapis.com/fcm/send", jg.ToString)
    Job.GetRequest.SetContentType("application/json;charset=UTF-8")
    Job.GetRequest.SetHeader("Authorization", "key=" & WebApiKey)
End Sub

and my manifest file

B4X:

AddManifestText(
<uses-sdk android:minSdkVersion="16" android:targetSdkVersion="23"/>
<supports-screens android:largeScreens="true"
    android:normalScreens="true"
    android:smallScreens="true"
    android:anyDensity="true"/>
    )
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")

CreateResourceFromFile(Macro, Themes.LightTheme)
'End of default text.
CreateResourceFromFile(Macro, FirebaseAnalytics.GooglePlayBase)
CreateResourceFromFile(Macro, FirebaseAnalytics.Firebase)
CreateResourceFromFile(Macro, FirebaseNotifications.FirebaseNotifications)

'************ Firebase Base ************
CreateResourceFromFile("google-services", "google-services.json")

AddPermission(android.permission.WRITE_EXTERNAL_STORAGE)
AddPermission(android.permission.ACCESS_NETWORK_STATE)
AddPermission(android.permission.INTERNET)
AddPermission(android.permission.WAKE_LOCK)
AddPermission(com.google.android.c2dm.permission.RECEIVE)
AddPermission(${applicationId}.permission.C2D_MESSAGE)
AddManifestText( <permission android:name="${applicationId}.permission.C2D_MESSAGE"
  android:protectionLevel="signature" />)
AddApplicationText(
<receiver
  android:name="com.google.android.gms.measurement.AppMeasurementReceiver"
  android:enabled="true">
  <intent-filter>
  <action android:name="com.google.android.gms.measurement.UPLOAD"/>
  </intent-filter>
  </receiver>

  <service
  android:name="com.google.android.gms.measurement.AppMeasurementService"
  android:enabled="true"
  android:exported="false"/>
   <provider
  android:authorities="${applicationId}.firebaseinitprovider"
  android:name="com.google.firebase.provider.FirebaseInitProvider"
  android:exported="false"
  android:initOrder="100" />
    <receiver
  android:name="com.google.android.gms.measurement.AppMeasurementReceiver"
  android:enabled="true">
  <intent-filter>
  <action android:name="com.google.android.gms.measurement.UPLOAD"/>
  </intent-filter>
  </receiver>

  <service
  android:name="com.google.android.gms.measurement.AppMeasurementService"
  android:enabled="true"
  android:exported="false"/>
   <receiver
  android:name="com.google.firebase.iid.FirebaseInstanceIdReceiver"
  android:exported="true"
  android:permission="com.google.android.c2dm.permission.SEND" >
  <intent-filter>
  <action android:name="com.google.android.c2dm.intent.RECEIVE" />
  <action android:name="com.google.android.c2dm.intent.REGISTRATION" />
  <category android:name="${applicationId}" />
  </intent-filter>
  </receiver>
    <receiver
  android:name="com.google.firebase.iid.FirebaseInstanceIdInternalReceiver"
  android:exported="false" />
</service>

  <service
  android:name="com.google.firebase.iid.FirebaseInstanceIdService"
  android:exported="true">
  <intent-filter android:priority="-500">
  <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
  </intent-filter>
  </service>
 
     <service android:name=".service.MyFirebaseMessagingService">
        <intent-filter>
            <action android:name="com.google.firebase.MESSAGING_EVENT" />
        </intent-filter>
    </service>

    <service android:name=".service.MyFirebaseInstanceIDService">
        <intent-filter>
            <action android:name="com.google.firebase.INSTANCE_ID_EVENT" />
        </intent-filter>
    </service>
)

Alex_197 · Apr 16, 2021

Is notification enabled on the real phone? If not - that's the reason, Check the phone settings. Also - check the app settings, check the app info in applications list (just tap on the app name in the list) and check App Notification if it's On or Off.

DestroShark · Apr 18, 2021

Alex_197 said:
Is notification enabled on the real phone? If not - that's the reason, Check the phone settings. Also - check the app settings, check the app info in applications list (just tap on the app name in the list) and check App Notification if it's On or Off.

Hi, thanks for the reply. Notifications enabled

Erel · Apr 18, 2021

Don't waste your time with the emulator.

B4X:

CallSub3(chatex,"writemessage",Message.GetData.Get("title"),Message.GetData.Get("body"))

What is chatex?

Make sure not to kill the app with a swipe and test it in release mode.

DestroShark · Apr 19, 2021

Erel said:
Don't waste your time with the emulator.

B4X:

CallSub3(chatex,"writemessage",Message.GetData.Get("title"),Message.GetData.Get("body"))

What is chatex?

Make sure not to kill the app with a swipe and test it in release mode.

Hello, Erel, thanks for reply)
Im testing my app in the release mode.

chatex its my activity module for printing messages on the screen and sending (like SendMessage sub)

B4X:

Sub writemessage(username As String,text As String)
    EditTextChatView.Text=EditTextChatView.Text & CRLF & username
    EditTextChatView.Text=EditTextChatView.Text & CRLF & text & CRLF
End Sub

Erel · Apr 19, 2021

It will only work when a message arrives while the activity is in the foreground.

DestroShark · Apr 19, 2021

Erel said:
It will only work when a message arrives while the activity is in the foreground.

I checking on two phones at the same time, while my activity is in the foreground. From first (HONOR) I can send messages and see all messages (mine and from another phone), but from another one I can only send messages and dont see all messages (from HONOR and from another phone)
As i found out, sub fm_MessageArrived not called on second device

KMatle · Apr 19, 2021

With newer Android versions came more possibilities to set options. Mostly there are config issues which cause messages to be not delivered like.

- energy savings
- app isn't allowed to run in the background = app is fully stopped when phone goes to sleep (older phones have a whitelist, on my Huawei P10 even WhatsApp wasn't allowed to run in the background first).
- app isn't allowed to show messages
- ...

If the phone is set up correctly, you can even swipe the app without problems.

Hint: Use DATA messages only. These do not throw a notification (= less problems due to settings). Throw a notification on you own.

DestroShark · Apr 20, 2021

KMatle said:
With newer Android versions came more possibilities to set options. Mostly there are config issues which cause messages to be not delivered like.

- energy savings
- app isn't allowed to run in the background = app is fully stopped when phone goes to sleep (older phones have a whitelist, on my Huawei P10 even WhatsApp wasn't allowed to run in the background first).
- app isn't allowed to show messages
- ...

If the phone is set up correctly, you can even swipe the app without problems.

Hint: Use DATA messages only. These do not throw a notification (= less problems due to settings). Throw a notification on you own.

Hello, my two devices are set up the same, they have the same android version

If you mean https://www.b4x.com/android/forum/t...-messages-firebase-cloud-messaging-fcm.67716/ guide, then the message does not
аrrived the phone too

KMatle · Apr 20, 2021

Try this (with high priority) and send a timestamp inside the message to check if the message IS delivered or just the notification isn't "fired":

B4X:

Private Sub SendMessageToSingleDevice(Devtoken As String, MyData As String)
 
   Dim Job As HttpJob
   Job.Initialize("SendMessage", Me)
  
   Dim m As Map = CreateMap("to": $"${Devtoken}"$)
   Dim data As Map = CreateMap("data": MyData)
    [B][COLOR=rgb(209, 72, 65)]Dim pri As Map=CreateMap("priority":"high") 'important [/COLOR][/B]
    m.Put("data", data)
    m.Put("android", pri)
 
   Dim jg As JSONGenerator
   jg.Initialize(m)
   Job.Tag=jg
   Log(jg.ToString)
   Job.PostString("https://fcm.googleapis.com/fcm/send", jg.ToString)
   Job.GetRequest.SetContentType("application/json;charset=UTF-8")
   Job.GetRequest.SetHeader("Authorization", "key=" & API_KEY)
  
  End Sub

B4X:

Sub fm_MessageArrived (Message As RemoteMessage)
    
    Log("Message arrived")
    
    Dim n As Notification
   [B][COLOR=rgb(209, 72, 65)] n.Initialize2(n.IMPORTANCE_HIGH) 'important otherwise the notification isn't "fired"[/COLOR][/B]
    
    n.Icon = "icon"
    n.OnGoingEvent=False
    n.Light=True
    n.Vibrate=False
    n.SetInfo2("FCM","The message...","This is the tag", "Main")
    
    n.Notify(1)

Works for me

Android Question Firebase doesn't work on all devices

DestroShark

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Alex_197

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DestroShark

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Erel

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