Hour 9. Multi-Touch User Input
What You’ll Learn in This Hour
• Using single-touch input
• Listening for touch inputs
• Using multi-touch input
This hour covers the touchscreen: getting both single and multiple touch events from an Android device. Although Android supports a soft keyboard and a hardware keyboard (via Bluetooth or USB), we will concern ourselves only with touch-screen input because that is the most prevalent form of input on Android 4.0 devices.
Single-Touch Input
There are several ways to get user input on an Android device. The most common form of input on the newest devices is with a multi-touch-capable screen. Additionally, Android supports input via keyboard. The accelerometer and compass might be considered inputs as well. ...
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