Hi, I have a very weird behavior on this Google Maps example program https://www.b4x.com/android/forum/threads/google-maps-with-fusedlocationprovider.83876/.
This example is working in debugging mode with stepping through the code. But it's will crash when I direct run without step into the code. What I suspected is that the maps loaded slower than adding the marker in Map_Ready function. Ended up it's caused the Maps not initialized. Below are the errors displayed in the logs. Any advice to overcome this problem? Thanks in advance.
I am using
B4A v8.30,
Android\platforms\android-28\android.jar,
Java\jdk1.8.0_131\bin\javac.exe
java.lang.RuntimeException: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object anywheresoftware.b4a.objects.collections.Map.Get(java.lang.Object)' on a null object reference
at anywheresoftware.b4a.objects.MapFragmentWrapper$1.onMapReady(MapFragmentWrapper.java:197)
at com.google.android.gms.maps.MapFragment$zza$1.zza(Unknown Source:14)
at com.google.android.gms.maps.internal.zzo$zza.onTransact(Unknown Source:47)
at android.os.Binder.transact(Binder.java:605)
at fp.bcom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):15)
at com.google.android.gms.maps.internal.bg.acom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):4)
at com.google.maps.api.android.lib6.impl.bj.runcom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):4)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:101)
at android.os.Looper.loop(Looper.java:166)
at android.app.ActivityThread.main(ActivityThread.java:7425)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object anywheresoftware.b4a.objects.collections.Map.Get(java.lang.Object)' on a null object reference
at anywheresoftware.b4a.objects.MapFragmentWrapper$1.onMapReady(MapFragmentWrapper.java:182)
... 13 more
This example is working in debugging mode with stepping through the code. But it's will crash when I direct run without step into the code. What I suspected is that the maps loaded slower than adding the marker in Map_Ready function. Ended up it's caused the Maps not initialized. Below are the errors displayed in the logs. Any advice to overcome this problem? Thanks in advance.
I am using
B4A v8.30,
Android\platforms\android-28\android.jar,
Java\jdk1.8.0_131\bin\javac.exe
java.lang.RuntimeException: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object anywheresoftware.b4a.objects.collections.Map.Get(java.lang.Object)' on a null object reference
at anywheresoftware.b4a.objects.MapFragmentWrapper$1.onMapReady(MapFragmentWrapper.java:197)
at com.google.android.gms.maps.MapFragment$zza$1.zza(Unknown Source:14)
at com.google.android.gms.maps.internal.zzo$zza.onTransact(Unknown Source:47)
at android.os.Binder.transact(Binder.java:605)
at fp.bcom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):15)
at com.google.android.gms.maps.internal.bg.acom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):4)
at com.google.maps.api.android.lib6.impl.bj.runcom.google.android.gms.dynamite_mapsdynamite@[email protected] (040408-213742215):4)
at android.os.Handler.handleCallback(Handler.java:808)
at android.os.Handler.dispatchMessage(Handler.java:101)
at android.os.Looper.loop(Looper.java:166)
at android.app.ActivityThread.main(ActivityThread.java:7425)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:245)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:921)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object anywheresoftware.b4a.objects.collections.Map.Get(java.lang.Object)' on a null object reference
at anywheresoftware.b4a.objects.MapFragmentWrapper$1.onMapReady(MapFragmentWrapper.java:182)
... 13 more