Mobile app developent

Name and define three ways in which the Android platform is more open than iOS (iPhone).

Android is open source. Android is open for use by hardware vendors: Android is an open distribution.

Which of these is key to why App Inventor was developed for Android?

Android's open distribution is the key reason why App Inventor was developed with Android instead of iOS. It allows students to build samples and unrefined apps and share them with other students, their teacher, their family and friends, etc.

visual components For Purr BCC

Cat Image and pet me label

non-visual components of PURR

Cat purring

One function call in the HelloPurr app requires an argument (also known as parameter). Which function is it and what is the parameter?

The parameter is the number of seconds in which the device will vibrate while using my app. The device will vibrate for five seconds after each shake

Define the term parameter in the context of an App Inventor app.

The parameters of a function provide the information the function needs to perform its job, e.g., how long should the phone vibrate, or how big a circle should be drawn.

Events:

The yellow block in which you put your intentions for how you want your app to run

How can you download an app you build to your phone?

You can either get the QR code or save Apk to your computer

How do you test an app while you're developing it?

You connect the tablet with the QR code and you test the functions in which you programmed.

function calls

The blocks you put inside the event

Event-handlers:

What you put inside the yellow box. An example would be to play sound 1

Properties

sound, image, length of sound (milliseconds), Font size for label, text for label