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via Stack Overflow by R. Wang
, 1 year ago
This exception has no message.
java.lang.NullPointerException at com.codename1.apps.guibuilder.GUIBuilder$1.actionPerformed(GUIBuilder.java:56) at com.codename1.ui.util.EventDispatcher.fireActionEvent(EventDispatcher.java:349) at com.codename1.ui.Display.mainEDTLoop(Display.java:977) at com.codename1.ui.RunnableWrapper.run(RunnableWrapper.java:120) at com.codename1.impl.CodenameOneThread.run(CodenameOneThread.java:176)