Android Question Error when using example firebaseauth

Ong Beny Hinadrayanto

Ong Beny Hinadrayanto

Member
Licensed User
Thank Erel i write a new thread

When I using example from this thread (Firebase Auth) i got error

Logger connected to: Xiaomi Mi A2 Lite
--------- beginning of main
Copying updated assets files (2)
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 27 (Main)
java.lang.NullPointerException: Attempt to invoke virtual method 'void com.google.firebase.auth.FirebaseAuth.addAuthStateListener(com.google.firebase.auth.FirebaseAuth$AuthStateListener)' on a null object reference
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:73)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)

this my
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
Click to expand...

This my manifest editor code.

Manifest Code: 
'This code will be applied to the manifest file during compilation.
'You do not need to modify it in most cases.
'See this link for for more information: https://www.b4x.com/forum/showthread.php?p=78136
AddManifestText(
<uses-sdk android:minSdkVersion="5" android:targetSdkVersion="29"/>
<supports-screens android:largeScreens="true"
    android:normalScreens="true"
    android:smallScreens="true"
    android:anyDensity="true"/>)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
'************ Google Play Services Base ************
AddApplicationText(
    <activity android:name="com.google.android.gms.common.api.GoogleApiActivity"
                  android:theme="@android:style/Theme.Translucent.NoTitleBar"
                  android:exported="false"/>
     <meta-data
            android:name="com.google.android.gms.version"
            android:value="[USER=21225]@Integer[/USER]/google_play_services_version" />
)
'************ Google Play Services Base (end) ************

'************ Firebase Base ************
CreateResourceFromFile("google-services", "google-services.json")
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
            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>
)
'************ Firebase Base (end) ************
'************ Firebase Auth ************
'CreateResourceFromFile(Macro, FirebaseAuth.FirebaseAuth)
AddApplicationText(
   <activity android:name="com.google.android.gms.auth.api.signin.internal.SignInHubActivity"
                  android:theme="@android:style/Theme.Translucent.NoTitleBar"
                  android:excludeFromRecents="true"
                  android:exported="false" />

        <service
            android:name="com.google.android.gms.auth.api.signin.RevocationBoundService"
            android:exported="true"
            android:permission="com.google.android.gms.auth.api.signin.permission.REVOCATION_NOTIFICATION" />
)

'************ Firebase Auth (end) ************
 
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Ong Beny Hinadrayanto

Ong Beny Hinadrayanto

Member
Licensed User
1. Delete the m anifest code and add it as explained here: https://www.b4x.com/android/forum/threads/integrating-firebase-services.67692/#content
I was deleted new manifest code like this
B4X: 
'This code will be applied to the manifest file during compilation.
'You do not need to modify it in most cases.
'See this link for for more information: https://www.b4x.com/forum/showthread.php?p=78136
AddManifestText(
<uses-sdk android:minSdkVersion="5" android:targetSdkVersion="29"/>
<supports-screens android:largeScreens="true"
    android:normalScreens="true"
    android:smallScreens="true"
    android:anyDensity="true"/>)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
CreateResourceFromFile(Macro, FirebaseAuth.FirebaseAuth)

2. Make sure to use the latest version of B4A.
I using version 10.6
3. Make sure to use a recent Android SDK: https://www.b4x.com/b4a.html
Yes it was

Still got error like this (different from first error)
Logger connected to: Xiaomi Mi A2 Lite
--------- beginning of main
Copying updated assets files (2)
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 28 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runVoidMethod(Shell.java:777)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:354)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 25 (Main)
java.lang.IllegalStateException: Default FirebaseApp is not initialized in this process com.pijakpijak.firebase. Make sure to call FirebaseApp.initializeApp(Context) first.
at com.google.firebase.FirebaseApp.getInstance(FirebaseApp.java:184)
at com.google.firebase.auth.FirebaseAuth.getInstance(com.google.firebase:firebase-auth@@19.3.2:1)
at anywheresoftware.b4a.objects.FirebaseAuthWrapper.Initialize(FirebaseAuthWrapper.java:71)
at com.pijakpijak.firebase.main._activity_create(main.java:394)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:732)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:351)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at com.pijakpijak.firebase.main.afterFirstLayout(main.java:105)
at com.pijakpijak.firebase.main.access$000(main.java:17)
at com.pijakpijak.firebase.main$WaitForLayout.run(main.java:83)
at android.os.Handler.handleCallback(Handler.java:873)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6694)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
** Activity (main) Resume **

Click to expand...
 
Upvote 0
Ong Beny Hinadrayanto

Ong Beny Hinadrayanto

Member
Licensed User
Erel thanks .....I SOLVED this Problem

?????

Just add this
Region Project Attributes: 
#AdditionalJar: com.google.android.gms:play-services-base
#AdditionalJar: android-support-v4.jar
 
Upvote 0
Ong Beny Hinadrayanto

Ong Beny Hinadrayanto

Member
Licensed User
I was using this C:\Android\platforms\android-30\android.jar (SDK 30) from installation B4A but still error before using this
Region Project Attributes: 
#AdditionalJar: com.google.android.gms:play-services-base
#AdditionalJar: android-support-v4.jar
B4X:
 
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