The error message which you can find in the log is:
B4X:
** Activity (main) Create, isFirst = true **
main_activity_create (B4A line: 17)
seekR.SetLayout(10,90,280,30)
java.lang.NullPointerException
at anywheresoftware.b4a.objects.ViewWrapper.SetLayout(ViewWrapper.java:230)
at anywheresoftware.b4a.samples.ticktacktoe.main._activity_create(main.java:221)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:104)
at anywheresoftware.b4a.samples.ticktacktoe.main.afterFirstLayout(main.java:84)
at anywheresoftware.b4a.samples.ticktacktoe.main.access$100(main.java:16)
at anywheresoftware.b4a.samples.ticktacktoe.main$WaitForLayout.run(main.java:72)
at android.os.Handler.handleCallback(Handler.java:587)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:4363)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:521)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
at dalvik.system.NativeStart.main(Native Method)
java.lang.NullPointerException
You should first add the views to the activity or containing panel and only then you can change the layout values.