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PONumber of touchmove events severely reduced on Android 2.3.3
 

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  1. PONumber of touchmove events severely reduced on Android 2.3.3
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    <p>I am currently working on the redesign of a website following the responsive design + mobile first approach.</p> <p>I am trying to detect swipe events using JS on touch-enabled devices. For this purpose, I am using the following code:</p> <pre><code>document.addEventListener ('touchstart', function(event) { //Get initial finger coords }, false); document.addEventListener ('touchmove', function(event) { //Update final finger coords }, false); document.addEventListener ('touchend', function(event) { //Compare initial and final coords, trigger swipe events if necessary }, false); </code></pre> <p>I have tested this code on an iPad 1, an iPhone 4 and several devices running Android 2.2.1, and the result when I drag my finger on the screen is what I am expecting: the <code>touchmove</code> event fires several times (it can easily rise up to a hundred when doing a long gesture).</p> <p>The problem comes when I test it on an Android 2.3.3 device (I'm using a Samsung Galaxy S2). Using its native broswer, the amount of <code>touchmove</code> events is reduced to only 1 (or rarely 2).</p> <p>Am I doing something wrong or is it supposed to behave like that? Has anybody found the same problem? I was unable to find documentation about the behaviour of <code>touchmove</code> events in this version of Andriod.</p> <p>You can test it here (using a touch-enabled device): <a href="http://jsfiddle.net/xs5BG/embedded/result/" rel="nofollow">http://jsfiddle.net/xs5BG/embedded/result/</a></p>
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