Debugging a MIDlet

Steps

  1. Open the MIDlet class from the Package Explorer window and insert breakpoints wherever required.

    Figure: Package explorer window

  2. Right-click the project and select Debug As.

    Note:

    If the configuration is not created, create the configuration by performing the steps explained in Running the MIDlet
  3. Select either Emulated Java ME JAD, or Emulated Java ME MIDlet, or Debug Configurations, to start the debugging.

    Figure: Debug configurations dialogue box

    Figure: Debug in progress on Emulator

  4. Once the debug is completed the figure below is displayed.

    Figure: Debug on Emulator

    Note:

    Ctrl + K is the hot key used to kill the MIDlet as shown in the figure below.

    Figure: MIDlet exited properly

Note:

To improve the performance of the debugger, select Windows > Preferences. In Preferences, select Java > Debug. Uncheck all the options under Suspend Execution and Hot Code Replace. Enter a higher value for Debugger timeout based on your machine performance and Emulator performance.

Figure: Enter the Preferences

© Nokia 2013.