A Tip Calculator App (version 1) written in App Inventor

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5 Responses

  1. Mrs Y says:

    Please explain where lclBillAmount comes from. There is a txtBillAmount and the label but how do you know to call it lclBillAmount and where is it stored?

    • Edward M says:

      lclBillAmount is a locally defined variable in the btnCalculateTip event handler. It is defined right at the top of the code using Initialize Local block.

      Ed

  1. October 28, 2015

    […] Version 1 introduced the basic app and the use of error checking to handle user data entry mistakes. […]

  2. October 28, 2015

    […] Version 1 introduced the basic app and the use of error checking to handle user data entry mistakes. […]

  3. October 28, 2015

    […] Version 1 introduced the basic app and the use of error checking to handle user data entry mistakes. […]

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