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85 lines
2.8 KiB
85 lines
2.8 KiB
<?xml version="1.0" encoding="UTF-8"?> |
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<!-- |
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Copyright 2013 The Android Open Source Project |
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Licensed under the Apache License, Version 2.0 (the "License"); |
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you may not use this file except in compliance with the License. |
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You may obtain a copy of the License at |
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http://www.apache.org/licenses/LICENSE-2.0 |
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Unless required by applicable law or agreed to in writing, software |
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distributed under the License is distributed on an "AS IS" BASIS, |
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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See the License for the specific language governing permissions and |
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limitations under the License. |
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--> |
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<sample> |
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<name>BasicMultitouch</name> |
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<group>Input</group> |
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<package>com.example.android.basicmultitouch</package> |
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<!-- change minSdk if needed--> |
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<minSdk>8</minSdk> |
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<strings> |
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<intro> |
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<![CDATA[ |
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This sample demonstrates the use of MotionEvent properties to keep track of individual touches |
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across multiple touch events. |
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\n\nTouch the screen with multiple fingers to show that the pointer id |
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(also represented by a color) does not change as new touch events are received. |
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]]> |
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</intro> |
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</strings> |
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<template src="base"/> |
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<common src="logger"/> |
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<metadata> |
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<status>PUBLISHED</status> |
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<categories>UI, Views, Input</categories> |
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<technologies>Android</technologies> |
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<languages>Java</languages> |
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<solutions>Mobile</solutions> |
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<level>INTERMEDIATE</level> |
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<icon>screenshots/icon-web.png</icon> |
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<screenshots> |
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<img>screenshots/intro.png</img> |
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<img>screenshots/touches.png</img> |
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</screenshots> |
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<api_refs> |
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<android>android.view.MotionEvent</android> |
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</api_refs> |
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<description> |
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<![CDATA[ |
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Sample demonstrates the use of [MotionEvent][1] properties to keep track of |
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individual touches across multiple touch events. |
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[1]: http://developer.android.com/reference/android/view/MotionEvent.html |
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]]> |
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</description> |
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<intro> |
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<![CDATA[ |
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This is an example of keeping track of individual touches across multiple |
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[MotionEvent][1]s. |
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This sample uses a custom View (`TouchDisplayView`) that responds to |
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touch events and draws a colored circle for each touch point. The view holds |
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data related to a touch pointer, including its current position, pressure, |
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and its past touch history. |
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The View draws graphics based on data associated with each touch event to a |
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canvas. A large circle indicates the current position of a touch, while smaller |
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trailing circles represent previous positions for that touch. |
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The size of the large circle is scaled depending on the pressure of the user's |
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touch. |
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[1]: http://developer.android.com/reference/android/view/MotionEvent.html |
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]]> |
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</intro> |
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</metadata> |
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</sample>
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