Develop a button that changes label text

Develop a button that changes the text of a label when you select the button.
Application example
Button labeled Run Script next to text reading Original label text.
Button labeled Run Script highlighted in blue, with adjacent text displaying Changed
          label text.
TIP:
You can download a sample project from:
ButtonThatChangesLabelText.zip
Prerequisites
Select
Run icon
Run
to run the project using the client emulator to test your project. To run the project on a remote client, see Add a target device.
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