ios 如何在 iPhone 中以编程方式检查设备的方向？
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How to check the orientation of device programmatically in iPhone?
提问by suse
Possible Duplicate:
iPhone orientation
可能重复：
iPhone 方向
How to check the orientation of device at any point off time programmatically in iPhone ?
如何在 iPhone 中以编程方式在任何时间点检查设备的方向？
Thank You.
谢谢你。
回答by Azhar
Here are macros UIDeviceOrientationIsLandscapeand UIDeviceOrientationIsPortrait
这里是宏UIDeviceOrientationIsLandscape和UIDeviceOrientationIsPortrait
so rather checking separately you can do it like this ...
所以宁愿单独检查，你可以这样做......
if (UIDeviceOrientationIsLandscape([UIDevice currentDevice].orientation))
{
// code for landscape orientation
}
OR
或者
if (UIDeviceOrientationIsPortrait([UIDevice currentDevice].orientation))
{
// code for Portrait orientation
}
回答by Sanket Pandya
Try it.
尝试一下。
[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];
if ( ([[UIDevice currentDevice] orientation] == UIDeviceOrientationPortrait) )
{
// do something for Portrait mode
}
else if(([[UIDevice currentDevice] orientation] == UIDeviceOrientationLandscapeRight) || ([[UIDevice currentDevice] orientation] == UIInterfaceOrientationLandscapeLeft))
{
// do something for Landscape mode
}
回答by AlexVogel
Try also:
也试试：
UIInterfaceOrientationIsPortrait(orientation)
and
和
UIInterfaceOrientationIsLandscape(orientation)
回答by Joost
-[UIViewController interfaceOrientation]
-[UIViewController interfaceOrientation]
However it is possible to retrieve the deviceOrientation, independent from the current interface orientation:
但是，可以独立于当前界面方向来检索 deviceOrientation：
[[UIDevice currentDevice] orientation]
[[UIDevice currentDevice] orientation]
Read the documentation for more information though, you need to do some more things to make that work.
阅读文档以获取更多信息，但您需要做更多的事情才能使其工作。
回答by kumar123
You can also check within the function
您也可以在函数内检查
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
if(interfaceOrientation == UIInterfaceOrientationPortrait || interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown)
{
//do for portrait
}
else
{
//do for Landscape
}
return (interfaceOrientation == UIInterfaceOrientationLandscapeRight ||
interfaceOrientation == UIInterfaceOrientationPortrait ||
interfaceOrientation == UIInterfaceOrientationLandscapeLeft ||
interfaceOrientation == UIInterfaceOrientationPortraitUpsideDown);
}
回答by Kyle
You should place [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];in your AppDelegate didFinishLaunchingWithOptions
你应该把[[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications];你的AppDelegate didFinishLaunchingWithOptions
Then, anywhere in your application you can get the current orientation with:
然后，您可以在应用程序的任何位置获取当前方向：
UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];
UIDeviceOrientation orientation = [[UIDevice currentDevice] orientation];
And test orientation with:
并测试方向：
UIInterfaceOrientationIsPortrait(orientation)UIInterfaceOrientationIsLandscape(orientation)
UIInterfaceOrientationIsPortrait(orientation)UIInterfaceOrientationIsLandscape(orientation)
