VelocityTracker可以获取触屏事件的速率。
使用步骤:
1.获取VelocityTracker实例:
VelocityTracker mVelocityTracker = VelocityTracker.obtain();2.将MotionEvent事件纳入到VelocityTracker中:mVelocityTracker.addMovement(event);3....
分类:
移动开发 时间:
2014-11-30 14:14:01
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226
ExplanationCreate a visualization window.Get camera pose from camera position, camera focal point and y direction.Obtain transform matrix knowing the ...
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其他好文 时间:
2014-11-28 15:53:14
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217
You would normally use a series linear regulator or a dc/dc converter to obtain 3V dc from a higher supply. However, when breadboarding a concept, you...
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其他好文 时间:
2014-11-28 14:05:17
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142
在多线程操作中,有一个著名的错误,叫做“Tried to obtain the web lock from a thread other than the main thread or the web thread. This may be a result of calling to UIKit from a secondary thread”,一旦出现这个错误,程序会立即crashed。
这...
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其他好文 时间:
2014-11-26 19:09:12
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138
原文:sql server2008 搭建链接服务器成功后查询时报Cannot obtain the schema rowset "DBSCHEMA_TABLES_INFO" for OLE DB provider "SQLNCLI10" for linked server "XXXXX". 的解决方...
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数据库 时间:
2014-11-25 20:15:16
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199
JSON Service In the previous section, you learned how to consume XML web services by using HTTP to connect to the web server and then obtain the r...
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Web程序 时间:
2014-11-23 20:16:08
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264
准备工作:下载Nessus-5.2.7-es5.i386.rpmhttp://www.tenable.com/products/nessus/select-your-operating-system申请激活码:http://www.tenable.com/products/nessus/nessus-plugins/obtain-an-activation-code2.安装和注册Nessus:rpm-ivhNessus-5.2.7-es5.i386.rpm注册方法..
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系统相关 时间:
2014-11-21 16:44:01
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239
Let $A$ be a nilpotent operator. Show how to obtain, from aJordan basis for $A$, aJordan basis of $\wedge^2A$.
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其他好文 时间:
2014-11-21 10:37:06
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160
<divclass="product-sku">SKU:<?phpecho$_product->getSku();?> Brand:<?php$attributes=$_product->getAttributes();echo$attributes[‘brand‘]->getFrontend()->getValue($_product);?> UNIT:<?phpec..
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其他好文 时间:
2014-11-04 15:11:11
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177
SKU:getSku();?>Brand:<?php$attributes=$_product->getAttributes();echo$attributes[‘brand‘]->getFrontend()->getValue($_product);?>UNIT:getUnit();?>
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其他好文 时间:
2014-11-04 15:11:05
阅读次数:
142