How to get iPhones current orientation?

点点圈 提交于 2019-12-02 15:47:06
Satyajit

This is most likely what you want:

UIInterfaceOrientation interfaceOrientation = [[UIApplication sharedApplication] statusBarOrientation];

You can then use system macros like:

if (UIInterfaceOrientationIsPortrait(interfaceOrientation))
{

}

If you want the device orientation use:

UIDeviceOrientation deviceOrientation = [[UIDevice currentDevice] orientation];

This includes enumerations like UIDeviceOrientationFaceUp and UIDeviceOrientationFaceDown

As discussed in other answers, you need the interfaceOrientation, not the deviceOrientation.

The easiest way to get to this, is to use the property interfaceOrientation on your UIViewController. (So most often, just: self.interfaceOrientation will do).

Possible values are:

UIInterfaceOrientationPortrait           = UIDeviceOrientationPortrait,
UIInterfaceOrientationPortraitUpsideDown = UIDeviceOrientationPortraitUpsideDown,
UIInterfaceOrientationLandscapeLeft      = UIDeviceOrientationLandscapeRight,
UIInterfaceOrientationLandscapeRight     = UIDeviceOrientationLandscapeLeft

Remember: Left orientation is entered by turning your device to the right.

FreeAppl3

Here is a snippet of code I hade to write because I was getting wierd issues coming back into my root view when the orientation was changed .... I you see just call out the method that should have been called but did seem to be .... this works great no errors

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];

    if ([[UIDevice currentDevice]orientation] == UIInterfaceOrientationLandscapeLeft){
        //do something or rather
        [self 
shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationLandscapeLeft];
        NSLog(@"landscape left");
    }
    if ([[UIDevice currentDevice]orientation] == UIInterfaceOrientationLandscapeRight){
        //do something or rather
        [self 
shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationLandscapeRight];
        NSLog(@"landscape right");
    }
    if ([[UIDevice currentDevice]orientation] == UIInterfaceOrientationPortrait){
        //do something or rather
        [self shouldAutorotateToInterfaceOrientation:UIInterfaceOrientationPortrait];
        NSLog(@"portrait");
    }
}

UIInterfaceOrientation is now deprecated, and UIDeviceOrientation includes UIDeviceOrientationFaceUp and UIDeviceOrientationFaceDown so can't be relied on to give you the interface orientation.

The solution is pretty simple though

if (CGRectGetWidth(self.view.bounds) > CGRectGetHeight(self.view.bounds)) {
    // Landscape
} else {
    // Portrait
}
易学教程内所有资源均来自网络或用户发布的内容,如有违反法律规定的内容欢迎反馈
该文章没有解决你所遇到的问题?点击提问,说说你的问题,让更多的人一起探讨吧!