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LiveCode Mobile Development Beginner's Guide (2nd Edition)

You're reading from   LiveCode Mobile Development Beginner's Guide (2nd Edition) Create interactive mobile apps for Android and iOS with LiveCode

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Product type Paperback
Published in May 2015
Publisher
ISBN-13 9781849699655
Length 256 pages
Edition 1st Edition
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Authors (2):
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Colin Holgate Colin Holgate
Author Profile Icon Colin Holgate
Colin Holgate
Joel W Gerdeen Joel W Gerdeen
Author Profile Icon Joel W Gerdeen
Joel W Gerdeen
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Toc

Table of Contents (10) Chapters Close

Preface 1. LiveCode Fundamentals FREE CHAPTER 2. Getting Started with LiveCode Mobile 3. Building User Interfaces 4. Using Remote Data and Media 5. Making a Jigsaw Puzzle Application 6. Making a Reminder Application 7. Deploying to Your Device A. Extending LiveCode Index

Time for action – trying out native location tracking


Later in this chapter, we will add in a feature to allow the app user to add a set of favorite locations. For the moment, we'll just try out the basic functions. Location doesn't work in the simulators; you'll have to try this on a real device:

  1. Use the test-rig stack from the preceding steps and add a Get Location button and a location field. Make sure that the location field is as wide as the card window; it will show three long numbers.

  2. Set the script of the button to the following:

    on mouseUp
      mobileStartTrackingSensor "location", true
      put mobileSensorReading("location", false) into field "location"
      mobileStopTrackingSensor "location"
    end mouseUp
  3. The true value in the second line is the one that defines a loosely value saying that we don't need the precision of GPS. The false value in the third line says that we don't need detailed information to be returned.

  4. Go to Standalone Application Settings and choose your target device as iOS...

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