系统自带UIImagePickerController的用法 调用方式 UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera UIImagePickerControllerSourceTypeSavedPhotosAlbum; //保存的相片 if(self.picker == nil){ self.picker = [[UIImagePickerController presentViewController:self.picker animated:true completion:nil]; 回调 //当选择一张图片后进入这里 -(void)imagePickerController:(UIImagePickerController :nil]; NSLog(@"文件的路径为:%@",_filePath); } } - (void)imagePickerControllerDidCancel:(UIImagePickerController
在使用UIImagePickerController时候,你会发如今选择照片或者拍照的时候,界面的很多控件都是英文的,比方”Cancel”,”Choose”等。 參考资料:https://forums.xamarin.com/discussion/10718/localization-and-uiimagepickercontroller 发布者:全栈程序员栈长
关于iOS摄像头和相册的应用,可以使用UIImagePickerController类来完成控制。 iOS的一些设备上都安装了摄像头。现在绝大多数都有了。 一、UIImagePickerController类 UIImagePickerController 这个类可以为大家提供照相的功能,以及图片,视频浏览的功能。 #pragma mark - 摄像头和相册相关的公共类 // 判断设备是否有摄像头 - (BOOL) isCameraAvailable{ return [UIImagePickerController *)kUTTypeImage sourceType:UIImagePickerControllerSourceTypePhotoLibrary]; } 三、用摄像头进行拍照和录像功能 我们将UIImagePickerController 五、info信息 最后,需要说的是,UIImagePickerControllerDelegate协议中 -(void)imagePickerController:(UIImagePickerController
仔细看上面的代码你会发现 [self .initWithImagePickView(“拍照”)] 这个函数,我通过这个函数选择imagePicker 不同的参数 首先创建一个 var imagePicker : UIImagePickerController 对象 然后实现相关方法 func initWithImagePickView(type:NSString){ self.imagePicker = UIImagePickerController MobileCoreServices.framework 库 和 import MobileCoreServices 头文件 func imagePickerController(picker: UIImagePickerController
iOS使用UIImagePickerController调用系统相机、相册与图库 一、引言 UIImagePickerController是系统封装好的一个导航视图控制器,使用其开发者可以十分方便的进行相机相册相关功能的调用 UIImagePickerController继承于UINavigationController,其通过代理的方式将用户获取的图片或者视频文件传入给开发者。 二、UIImagePickerController中属性与方法的应用 在使用UIImagePickerController之前,应该先判断设备做支持的媒体文件获取类型,使用如下方法进行判断 IPHONE_8_0); CFStringRef与NSString类型的转换,可以使用如下方法: NSString * str = (__bridge NSString*)kUTTypeMovie; UIImagePickerController NS_DEPRECATED_IOS(2_0, 3_0); //相机录像或者从图库相册选择视频完成后触发的回调方法 info字典中是具体信息 - (void)imagePickerController:(UIImagePickerController
用户选择头像功能是最常见的调用相机相册场景,调用系统的方法会存在两个问题:1.除了UIImagePickerController的拍照页面,UISearchBar的取消按钮,键盘上的返回、完成等按钮,以及其他系统界面中带有英文的 #import <UIKit/UIKit.h> @interface ImagePickerController : UIImagePickerController @end 再其.m文件实现以下方法 : - (UIStatusBarStyle)preferredStatusBarStyle { return UIStatusBarStyleLightContent; } 方法2: 实现UIImagePickerController 的延展,并实现preferredStatusBarStyle方法 #import "UIImagePickerController+util.h" @implementation UIImagePickerController UIStatusBarStyle)preferredStatusBarStyle { return UIStatusBarStyleLightContent; } @end 由于很多大神分享UIImagePickerController
isCamera) { NSLog(@"没有摄像头"); return ; } UIImagePickerController *imagePicker = [[UIImagePickerController self presentViewController:imagePicker animated:YES completion:^{ }]; } // 打开相册 (void)openPics { UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary presentViewController:imagePicker animated:YES completion:^{ }]; } // 选中照片 (void)imagePickerController:(UIImagePickerController dismissViewControllerAnimated:YES completion:NULL]; } // 取消相册 (void)imagePickerControllerDidCancel:(UIImagePickerController
在这里,我们需要过UIImagePickerController类来和用户交互。 使用UIImagePickerController和用户交互,我们需要实现2个协议<UIImagePickerControllerDelegate,UINavigationControllerDelegate View Code 代码如下复制代码 pragma mark 从用户相册获取活动图片 (void)pickImageFromAlbum { imagePicker = [[UIImagePickerController *pickerImage = [[UIImagePickerController alloc] init]; if([UIImagePickerController isSourceTypeAvailable -(void)imagePickerController:(UIImagePickerController)picker didFinishPickingMediaWithInfo:(NSDictionary
UIAlertAction actionWithTitle:@"相册" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.allowsEditing *camera = [[UIImagePickerController alloc] init]; camera.delegate = self; camera.allowsEditing = YES; if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera presentViewController:alert animated:YES completion:nil]; } //相册代理方法 - (void)imagePickerController:(UIImagePickerController
UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera; if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera]) { UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) { // 没有相册 return; } UIImagePickerController *pickerVC = [[UIImagePickerController
今天我们继续看其他的类别 UIImagePickerController+RACSignalSupport.h #import <UIKit/UIKit.h> @class RACDelegateProxy ; @class RACSignal<__covariant ValueType>; NS_ASSUME_NONNULL_BEGIN @interface UIImagePickerController ] subscribeNext:^(RACTuple * _Nullable x) { NSLog(@"取消代理: %@", x); UIImagePickerController UIImagePickerController *imgPickerController = [[UIImagePickerController alloc] init]; imgPickerController.sourceType 处理了UIImagePickerControllerDelegate而已, 所以这里会有警告先不管它 // 后面我们再想想其他方式, 是重新写一个UIImagePickerController
3 var imagePickerController:UIImagePickerController! UIColor.darkGray 15 self.view.addSubview(button) 16 } 17 func pickImage(){ 18 self.imagePickerController = UIImagePickerController self.imagePickerController, animated: true, completion:nil) 28 } 29 func imagePickerController(_ picker: UIImagePickerController self.dismiss(animated:true, completion:nil) 35 } 36 func imagePickerControllerDidCancel(_ picker: UIImagePickerController (UIImagePickerControllerSourceType.20 { 21 self.imagePickerController = UIImagePickerController()
在开发的过程中,如果我们需要给用户提供一个浏览器功能的支持、又或者需要让用户来从系统相册挑选图片,那么利用 UIKit 给我们提供的现成的 SFSafariViewController 和 UIImagePickerController 将是非常方便的事情,但是 let pc = UIImagePickerController() let sf = SFSafariViewController(URL: NSURL(string 比如说我们整个App都是采用的白色状态栏,而 SFSafariViewController 和 UIImagePickerController 都是默认背景为白色的(即需要一个黑色状态栏,否则用户看不清内容 ),这时候我们需要一个默认自身的状态栏永远为黑色的 SFSafariViewController 或 UIImagePickerController 下面以 UIImagePickerController class CustomImagePC: UIImagePickerController { override func viewDidLoad() { super.viewDidLoad
(info.plist中添加) ---- 选取系统图片 选择相册中图片 UIImagePickerController *imagePickerController = [[UIImagePickerController [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) { UIAlertAction [self presentViewController:alertVC animated:YES completion:nil]; return; } UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.allowsEditing = _ZYQPick) { _ZYQPick = [[UIImagePickerController alloc] init]; //sourcetype有三种分别是camera,photoLibrary
获取相册最直接的方式——UIImagePickerController 功能介绍:可直接显示分组的相处的列表,用户选择不同相册的照片后,可在委托方法中获得该图片对象; API提供三种数据源: UIImagePickerControllerSourceTypeCamera 属于UIKit UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; // 若设备支持相机,使用拍照功能 ;否则从照片库中选择 if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera UINavigationControllerDelegate,UIImagePickerControllerDelegate 代理方法 - (void)imagePickerController:(UIImagePickerController 遵守的协议UINavigationControllerDelegate,UIImagePickerControllerDelegate 代理方法 - (void)imagePickerController:(UIImagePickerController
UIImagePickerControllerDelegate //从手机相册中获得图片并显示在imageView中 - (IBAction)albumClocked:(id)sender { //创建一个图片选择器 UIImagePickerController *imagePicker = [[UIImagePickerController alloc]init]; //设置选择器的资源类型 imagePicker.sourceType animated:YES completion:nil]; } #pragma mark-imagePickerController方法 -(void)imagePickerController:(UIImagePickerController
因为是从 照相机 或者 相册 中来读取照片,需要使用 UIImagePickerController"图像选择器" 。 UIImagePickerController 是一种导航控制器,使用它,用户可以打开系统的图片选取器或者打开相机进行拍照。 - (IBAction)selectPhoto:(id)sender { UIImagePickerController *imagePicker = [[UIImagePickerController -(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary 第二个参数是压缩比例,转化为NSData类型; NSData *fileData = UIImageJPEGRepresentation(image, 1.0); //关闭以模态形式显示的UIImagePickerController
解决方法: 在网上找了很久,很多说在打开相册的时候强制竖屏,或者重写一个类,继承 UIImagePickerController,重写他的 -(BOOL) shouldAutorotate{ return UIInterfaceOrientationMaskAll ; } } 3.选择从相册打开 -(void)selectPhotos{ if ([UIImagePickerController UIImagePickerControllerSourceTypePhotoLibrary; //sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum; //保存的相片 UIImagePickerController *picker = [[UIImagePickerController alloc] init]; picker.delegate = self; picker.allowsEditing
@property (weak, nonatomic) IBOutlet UIImageView *imgView; //显示拍照的照片 @property (strong, nonatomic) UIImagePickerController viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. } //初始化picker - (UIImagePickerController *)picker{ if (_isChange || _picker == nil){ _picker = [[UIImagePickerController alloc]init presentViewController:self.picker animated:YES completion:nil]; } #pragma mark - 代理方法 - (void)imagePickerController:(UIImagePickerController
从相册选择 或者 拍照, 这部分可以用UIImagePickerController来实现 代码如下: - (void)actionPhoto { UIAlertController action) { NSLog(@"拍照"); if ([UIImagePickerController 从相册选择 或者 拍摄 这部分也可以用UIImagePickerController来实现 代码: - (void)actionVideo { UIAlertController *alertController } 这里有事先创建两个可变数组uploadArray, uploadedArray, 一个存放准要上传的内容, 一个存放上传完的内容 在准备上传后做什么操作, 可以检查两个数组的数量是否相等 最后是UIImagePickerController 的协议方法 #pragma mark - UIImagePickerDelegate methods - (void)imagePickerController:(UIImagePickerController