Tuesday, 6 January 2015

About Touch Screens in Android.

* Many Android devices incorporate touch screens.When a device does not have a physical keyboard,
much of the user input must come through the touch screen.

* Therefore,your applications will often need to be able to deal with touch input from the user.

* You've most likely already seen the virtual keyboard that displays on the screen when text input is
required from the user.

* The implementation of the touch screen interface have been hidden from you so far,but now we'll
show you how to take advantage of the touch screen.

It is made up of 4 major parts : 

i)- MotionEvent
ii)- Velocity Tracker
iii)- Multitouch
iv)- Gestures.

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