If the application crashes then you should see an error message in the logs.
Registo conectado a: motorola XT1058
--------- beginning of crash
--------- beginning of main
Copying updated assets files (5)
*** Service (starter) Create ***
** Service (starter) Start **
** Activity (main) Create, isFirst = true **
Error occurred on line: 137 (Main)
java.lang.RuntimeException: Object should first be initialized (Spinner).
at anywheresoftware.b4a.AbsObjectWrapper.getObject(AbsObjectWrapper.java:50)
at anywheresoftware.b4a.objects.SpinnerWrapper.Add(SpinnerWrapper.java:100)
at b4a.totalgaz.main._activity_create(main.java:499)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at anywheresoftware.b4a.shell.Shell.runMethod(Shell.java:733)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:355)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:255)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at anywheresoftware.b4a.ShellBA.raiseEvent2(ShellBA.java:144)
at b4a.totalgaz.main.afterFirstLayout(main.java:104)
at b4a.totalgaz.main.access$000(main.java:17)
at b4a.totalgaz.main$WaitForLayout.run(main.java:82)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5343)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:905)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:700)
** Activity (main) Resume **
This is what i get in the logs