java.lang.NullPointerException

Stack Overflow | R. Wang | 7 months ago
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  1. 0

    GUI builder does not show up

    Stack Overflow | 7 months ago | R. Wang
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.codename1.apps.guibuilder.GUIBuilder$1.actionPerformed()
    2. com.codename1.apps
      GUIBuilder$1.actionPerformed
      1. com.codename1.apps.guibuilder.GUIBuilder$1.actionPerformed(GUIBuilder.java:56)
      1 frame
    3. com.codename1.ui
      RunnableWrapper.run
      1. com.codename1.ui.util.EventDispatcher.fireActionEvent(EventDispatcher.java:349)
      2. com.codename1.ui.Display.mainEDTLoop(Display.java:977)
      3. com.codename1.ui.RunnableWrapper.run(RunnableWrapper.java:120)
      3 frames
    4. com.codename1.impl
      CodenameOneThread.run
      1. com.codename1.impl.CodenameOneThread.run(CodenameOneThread.java:176)
      1 frame