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Diffstat (limited to 'input/multitouch/BasicMultitouch/README.md')
| -rw-r--r-- | input/multitouch/BasicMultitouch/README.md | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/input/multitouch/BasicMultitouch/README.md b/input/multitouch/BasicMultitouch/README.md index 0b0be8f0..27889e9b 100644 --- a/input/multitouch/BasicMultitouch/README.md +++ b/input/multitouch/BasicMultitouch/README.md @@ -1,19 +1,43 @@ + Android BasicMultitouch Sample -============================== +=================================== + +Sample demonstrates the use of [MotionEvent][1] properties to keep track of +individual touches across multiple touch events. + +[1]: http://developer.android.com/reference/android/view/MotionEvent.html + +Introduction +------------ -This samples demonstrates the use of MotionEvent properties to keep track of individual touches -across multiple touch events. +This is an example of keeping track of individual touches across multiple +[MotionEvent][1]s. -Touch the screen with multiple fingers to show that the pointer id -(also represented by a colour) does not change as new touch events are received.</string> +This sample uses a custom View (`TouchDisplayView`) that responds to +touch events and draws a colored circle for each touch point. The view holds +data related to a touch pointer, including its current position, pressure, +and its past touch history. + +The View draws graphics based on data associated with each touch event to a +canvas. A large circle indicates the current position of a touch, while smaller +trailing circles represent previous positions for that touch. +The size of the large circle is scaled depending on the pressure of the user's +touch. + +[1]: http://developer.android.com/reference/android/view/MotionEvent.html Pre-requisites -------------- -- Android SDK v20 -- Android Build Tools v20 +- Android SDK v23 +- Android Build Tools v22.0.1 - Android Support Repository +Screenshots +------------- + +<img src="screenshots/intro.png" height="400" alt="Screenshot"/> <img src="screenshots/touches.png" height="400" alt="Screenshot"/> + Getting Started --------------- @@ -44,7 +68,7 @@ file to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at - http://www.apache.org/licenses/LICENSE-2.0 +http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |