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Programming with App Inventor

Programming with App Inventor. Computing Institute for K-12 Teachers Summer 2012 Workshop. Advanced Topics 2 Session SA-7. Features. The App Inventor provides for many features that one might want to utilize.

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Programming with App Inventor

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  1. Programming with App Inventor Computing Institute for K-12 Teachers Summer 2012 Workshop

  2. Advanced Topics 2Session SA-7

  3. Features • The App Inventor provides for many features that one might want to utilize. • When looking through the objects in the Palette that may be added to your project, remember that the online reference is a good source for information. • BasicPalette: CheckBox • When the Checkbox is checked or unchecked the .Changed event will be executed. In the .Changed block you determine if the Checkbox is checked or not. • But no matter how you combine them, Boolean expressions evaluate to either True or False.

  4. Features • Media Palette : VideoPlayer– Displays and plays a video. Similar to the Player that can play audio files as well.

  5. Features • Media Palette : ImagePicker- User taps to select and image from the image gallery on the phone. Sets the attribute ImagePath that is used to reference the image.

  6. Features • Media Palette : Camera – Allows for using camera’s phone to create and assign an image to an image object.

  7. Features • Social Palette : Provides for programmatically accessing or controlling Contact, Email and texting processing. Please see the online reference for details. • Sensor Palette : Provides for programmatically determining the phone physical movements on a three dimensional axis.

  8. Features • Other Stuff Palette : Provides for programmatically accessing or controlling Contact, Email and texting processing. Please see the online reference. • Help on these objects and more are provided online in the reference documents. • Activity Starter : Provides for programmatically starting other applications, webpage, web searches and starting the Camera. • Notifier : Displays a pop-up window to the user presenting information. Can also be used to obtain user input. • SpeechRecognizer : Will convert speech to text using the microphone • TextToSpeech: Also for the application to speak, using the text from any object. • Web : Implements HTTP Posts and Gets used in communications between server and client side webpage forms.

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