Created
June 7, 2012 03:56
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Fake Pageshow Event for iOS Home App
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| var time = Date.now(); | |
| setInterval(function(){ | |
| var now = Date.now(); | |
| if(now - time > 5000) | |
| alert('pageshow(fake)'); | |
| time = now; | |
| }, 1000); |
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iOS 5のSafariにはwebkitvisibilitychange/visibilitychangeが存在せず、ウィンドウのfocus/blurも動作しない。
pageshow/pagehideはあるが、ホームに置いたアプリではロック復帰後にイベントが発生しない。
これを回避するため、タイマのズレからバックグラウンドを判定しpageshowの代わりとした。