Use Uiimagepickercontroller for photo and video recording

A Uiimagepickercontroller Introduction and attribute introduction.

Uiimagepickercontroller inherits from Uinavigationcontroller. Uiimagepickercontroller can be used to select photos, which can also be used to take pictures and record videos. First look at the properties and methods commonly used in this class:

Property	Description
@property (nonatomic) Uiimagepickercontrollersourcetype sourcetype	Pick source Type, SourceType is enum type: Uiimagepickercontrollersourcetypephotolibrary: Photo Gallery , the default value Uiimagepickercontrollersourcetypecamera: Webcam Uiimagepickercontrollersourcetypesavedphotosalbum: Photo Albums
@property (nonatomic,copy)       nsarray                                *mediatypes	media type, by default this array contains Kuttypeimage, so you can take photos without setting, but when you want to record the time must be set, can be set to Kuttypevideo (video, Without sound) or Kuttypemovie (video with sound)
@property (nonatomic)            nstimeinterval                          videomaximumduration	video maximum recording duration, default is ten s
@property (nonatomic)            uiimagepickercontrollerqualitytype    videoquality	Video quality, enumeration type: Uiimagepickercontrollerqualitytypehigh: HD quality Uiimagepickercontrollerqualitytypemedium: Medium quality, suitable for WiFi transmission Uiimagepickercontrollerqualitytypelow: Low quality, suitable for cellular network transmission uiimagepickercontrollerqualitytype640x480:640*480 uiimagepickercontrollerqualitytypeiframe1280x720:1280 *720 uiimagepickercontrollerqualitytypeiframe960x540:960*540
@property (nonatomic)            bool                                    Showscameracontrols	If the camera control Panel is displayed, the default is Yes
@property (nonatomic,retain)     uiview                                  *cameraoverlayview	The view that is covered on the camera can be used to customize the photo or video interface via this video
@property (nonatomic) Cgaffinetransform Cameraviewtransform	Camera deformation
@property (nonatomic) Uiimagepickercontrollercameracapturemode Cameracapturemode	Camera capture mode, capture mode is enum type: Uiimagepickercontrollercameracapturemodephoto: Photo Mode Uiimagepickercontrollercameracapturemodevideo: Video recording mode
@property (nonatomic) uiimagepickercontrollercameradevice      Cameradevice	camera device, Cameradevice is an enumeration type: Uiimagepickercontrollercameradevicerear: Front-facing camera Uiimagepickercontrollercameradevicefront: Rear-facing camera
@property (nonatomic) Uiimagepickercontrollercameraflashmode Cameraflashmode	Flash mode, Enumeration type: Uiimagepickercontrollercameraflashmodeoff: Turn off the flash Uiimagepickercontrollercameraflashmodeauto: Flash Automatic Uiimagepickercontrollercameraflashmodeon: Turn on the flash
Class method	Description
+ (BOOL) issourcetypeavailable: (Uiimagepickercontrollersourcetype) sourcetype	Whether the specified source type is available, SourceType is an enumeration type: Uiimagepickercontrollersourcetypephotolibrary: Photo Gallery Uiimagepickercontrollersourcetypecamera: Webcam Uiimagepickercontrollersourcetypesavedphotosalbum: Photo Albums
+ (Nsarray *) Availablemediatypesforsourcetype: (Uiimagepickercontrollersourcetype) sourcetype	The media type that is available on the specified source device, typically pictures and videos
+ (BOOL) iscameradeviceavailable: (Uiimagepickercontrollercameradevice) Cameradevice	Specifies whether the camera is available, Cameradevice is an enumeration type: Uiimagepickercontrollercameradevicerear: Front-facing camera Uiimagepickercontrollercameradevicefront: Rear-facing camera
+ (BOOL) Isflashavailableforcameradevice: (Uiimagepickercontrollercameradevice) Cameradevice	Specifies whether the camera's flash is available
+ (Nsarray *) Availablecapturemodesforcameradevice: (Uiimagepickercontrollercameradevice) CameraDevice	Gets the available capture mode on the specified camera, which is the enumeration type: Uiimagepickercontrollercameracapturemodephoto: Photo Mode Uiimagepickercontrollercameracapturemodevideo: Video recording mode
Object methods	Description
-(void) takepicture	Take pictures programmatically
-(BOOL) startvideocapture	Recording video Programmatically
-(void) stopvideocapture	Stop recording Video programmatically
Proxy method	Description
-(void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (NSDictionary *) info	Media pickup Complete
-(void) Imagepickercontrollerdidcancel: (Uiimagepickercontroller *) picker	Cancel Pickup
Extension methods (primarily for saving photos, videos to albums)	Description
Uiimagewritetosavedphotosalbum (UIImage *image, id completiontarget, SEL completionselector, void *contextinfo)	Save photos to albums
Uivideoatpathiscompatiblewithsavedphotosalbum (NSString *videopath)	Can I save a video to a photo album
void Uisavevideoatpathtosavedphotosalbum (NSString *videopath, id completiontarget, SEL completionselector, void * ContextInfo)	Save Video to Photo album

Two use Uiimagepickercontroller to take pictures and video recording

#import "ViewController.h" #import <MobileCoreServices/MobileCoreServices.h> #import <avfoundation/ Avfoundation.h> @interface Viewcontroller () <uiimagepickercontrollerdelegate,uinavigationcontrollerdelegate > @property (Weak, nonatomic) Iboutlet Uiimageview *mimageview; @property (nonatomic,assign) BOOL istakevedio;@ Property (Nonatomic,strong) Uiimagepickercontroller *imagepicker; @property (nonatomic,strong) Avplayer *player;@    End@implementation viewcontroller-(void) viewdidload {[Super viewdidload]; Do any additional setup after loading the view, typically from a nib.}    -(void) didreceivememorywarning {[Super didreceivememorywarning]; Dispose of any resources the can be recreated.}    -(Ibaction) Takepic: (ID) Sender {_istakevedio = NO; [Self showpicker];}    -(Ibaction) Takevedio: (ID) Sender {_istakevedio = YES; [Self showpicker];} -(Uiimagepickercontroller *) imagepicker{if (_imagepicker = = nil) {_imagepicker = [[Uiimagepickercontroller al]LOC] init];    _imagepicker.sourcetype = Uiimagepickercontrollersourcetypecamera; Set the source to camera _imagepicker.cameradevice = uiimagepickercontrollercameradevicerear;    Set the camera used as: Rear camera if (self.istakevedio) {_imagepicker.mediatypes = @[(NSString *) Kuttypevideo]; Set to video mode-<span style= "Color:rgb (51, 51, 51); Font-family:georgia, ' Times New Roman ', Times, Sans-serif; font-size:14px; line-height:25px; " > Note Media type definition in mobilecoreservices.framework </span> _imagepicker.videoquality = uiimagepickercontrollerqual   itytypeiframe1280x720;  Set Video Quality _imagepicker.cameracapturemode = Uiimagepickercontrollercameracapturemodevideo; Set camera mode to record video} else{_imagepicker.cameracapturemode = UIIMAGEPICKERCONTROLLERCAMERACAPTUREMODEP Hoto Set camera mode to take picture}} return _imagepicker;} -(void) showpicker{[self presentViewController:self.imagePicker animated:yes completion:nil];} #pragma mark-#pragma mark-uiimagepickercontrollerdelegate-(void) Imagepickercontroller: (Uiimagepickercontroller *) picker Didfinishpickingmediawithinfo: (nsdictionary *) info{nsstring *type = [Info objectforkey:    Uiimagepickercontrollermediatype];        if ([Type isequaltostring: (NSString *) Kuttypeimage]) {//Picture is saved and displayed UIImage *image;        if (picker.allowsediting) {image = [info objectforkey:uiimagepickercontrollereditedimage];//Allow editing, get edited picture        } else{image = [info objectforkey:uiimagepickercontrolleroriginalimage];//Edit not allowed, get original picture}        Self.mImageview.image = image;    Uiimagewritetosavedphotosalbum (Image,nil,nil, nil); } else if ([Type isequaltostring: (NSString *) Kuttypevideo]) {//video is saved after the video is played nsurl *url = [Info objectforkey:        Uiimagepickercontrollermediaurl];        NSString *urlpath = [url path]; if (Uivideoatpathiscompatiblewithsavedphotosalbum (URLPath)) {Uisavevideoatpathtosavedphotosalbum (UrlPath, self , @selector (videO:didfinishsavingwitherror:contextinfo:), nil);  }}}-(void) Imagepickercontrollerdidcancel: (Uiimagepickercontroller *) picker{} #pragma mark-#pragma mark-share method//video after saving callback-(void) Video: (NSString *) Videopath didfinishsavingwitherror: (nserror *) error ContextInfo: (void *)    contextinfo{if (error) {NSLog (@ "Save video errors, error message:%@", error.localizeddescription);        }else{NSLog (@ "video saved successfully.");        Automatically play Nsurl *url=[nsurl Fileurlwithpath:videopath] when finished recording;        _player=[avplayer Playerwithurl:url];        Avplayerlayer *playerlayer=[avplayerlayer Playerlayerwithplayer:_player];        Playerlayer.frame = Self.mImageview.frame;        [Self.mImageview.layer Addsublayer:playerlayer];    [_player play]; }}

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Use Uiimagepickercontroller for photo and video recording