是否启用了设备方向javascript html5
[英]is device orientation enabled javascript html5
问题描述
I need to find out whether device orientation is locked on iPhone or Android devices. 
我需要确定设备方向是否在iPhone或Android设备上锁定。
I can find a way to find out if device orientation is supported but that won't help me when I want to display a message telling the user that my html5 web page needs rototion to landscape and that his device is locked... 我可以找到一种方法来确定是否支持设备方向，但是当我想显示一条消息告诉用户我的html5网页需要旋转才能旋转并且设备已被锁定时，这对我没有帮助...
1 个解决方案
解决方案1
0 2015-03-12 18:14:11
Its only a partial solution. 它只是部分解决方案。 Sorry. 抱歉。
I would check device window.orientation on page load, if its not landscape, display message to user to change orientation and turn off orientation lock. 我会在页面加载时检查设备window.orientation，如果它不是横向的，则向用户显示消息以更改方向并关闭方向锁定。
Then listen for "devicemotion" event which should fire even if orientation is locked. 然后侦听即使锁定方向也应触发的“ devicemotion”事件。 Then on "devicemotion" check window.orientation again, If window.orientation is landscape then dismiss message. 然后在“ devicemotion”上再次检查window.orientation，如果window.orientation是landscape，则关闭消息。
devicemotion 设备运动
https://developer.mozilla.org/en-US/docs/Web/Events/devicemotion https://developer.mozilla.org/zh-CN/docs/Web/Events/devicemotion
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