标签：io color ar os sp for div on bs
//检查前后摄像头
BOOL cameraAvailable = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];//前BOOL frontCameraAvailable = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront];//后//检查指南针 CoreLocation.framework <CoreLocation/CoreLocation.h>BOOL magnetometerAvailbale = [CLLocationManager headingAvailable];//检查声音支持 AVFoundation.framework <AVFoundation/AVFoundation.h>AVAudioSession *audioSession = [AVAudioSession sharedInstance]; //返回一个AVAudioSession实例BOOL audioAvailable = audioSession.inputAvailable;//bool值。获取是否支持//检查录像支持 MobileCoreServices.framework <MobileCoreServices/MobileCoreServices.h>- (BOOL)isvideoCameraAvailable{ //简单检查所有的可用的媒体资源类型，然后检查返回的数组，如果其中包含了kUTTypeMovie的NSString类型对象，就证明摄像头支持录像 UIImagePickerController *picker = [[UIImagePickerController alloc]init]; NSArray *sourceTypes = [UIImagePickerController availableMediaTypesForSourceType:picker.sourceType];//返回所支持的media的类型数组 [picker release]; if (![sourceTypes containsObject:(NSString *)kUTTypeMovie]) {//containsObject确定数组中是否包含后面的对象 return NO; } return YES;} //检查陀螺仪可用 CoreMotion.framework <CoreMotion/CoreMotion.h>- (BOOL) isGyroscopeAvailable{#ifdef __IPHONE_4_0//4.0之后才有 CMMotionManager *motionManager = [[CMMotionManager alloc]init]; BOOL gyroscopeAvailable = motionManager.gyroAvailable; [motionManager release]; return gyroscopeAvailable;#else return NO;#endif}标签：io color ar os sp for div on bs
原文地址：http://www.cnblogs.com/daguo/p/4081352.html
