iOS selects a photo from a mobile album and displays Objective-c

To set the app's permissions to access the album first:

Add Privacy-photo Library Usage description Permissions in the project's Info.plist file

ViewController.h:

1 #import<UIKit/UIKit.h>2 3 @interfaceViewcontroller:uiviewcontroller4 {5Iboutlet Uiimageview *myimageview;//associating with the ImageView view6 }7 8 9-(Ibaction) ButtonUp: (ID) sender;//Associate with a buttonTen  One @end

VIEWCONTROLLER.M:

1 #import "ViewController.h"2 3 4 @interfaceViewcontroller () <UINavigationControllerDelegate,UIImagePickerControllerDelegate>//Interface5 6 @end7 8 @implementationViewcontroller9 Ten- (void) Viewdidload { One [Super Viewdidload]; A     //additional setup after loading the view, typically from a nib. - } -  the  -- (void) didreceivememorywarning { - [Super didreceivememorywarning]; -     //Dispose of any resources the can be recreated. + } -  +  A-(Ibaction) ButtonUp: (ID) Sender { at     //Initialize the Uiimagepickercontroller class -Uiimagepickercontroller * Picker =[[Uiimagepickercontroller alloc] init]; -     //judging the data source as a photo album -Picker.sourcetype =Uiimagepickercontrollersourcetypesavedphotosalbum; -     //Set up proxy -Picker.Delegate=Self ; in     //Open Album - [self presentviewcontroller:picker animated:yes completion:nil]; to } +  - //Select Complete callback function the- (void) Imagepickercontroller: (Uiimagepickercontroller *) Picker Didfinishpickingmediawithinfo: (NSDictionary<NSString *,ID> *) info{ *     //Get Pictures $UIImage *image =Info[uiimagepickercontrolleroriginalimage];Panax Notoginseng [self dismissviewcontrolleranimated:yes completion:nil]; -  theMyimageview.image =image; + } A  the //User Cancel Selection +- (void) Imagepickercontrollerdidcancel: (Uiimagepickercontroller *) picker{ - [self dismissviewcontrolleranimated:yes completion:nil]; $ } $  -  - @end

iOS selects a photo from a mobile album and displays Objective-c