ios|ios 拍照功能简单实现 ios拍照功能简单实现

文章图片
storyboard.png import import "ViewController.h" @interface ViewController ()
{
UIImagePickerController * _imagePickerController;
}
@property (weak, nonatomic) IBOutlet UIImageView *imageView;
@end
@implementation ViewController

【ios|ios 拍照功能简单实现】(void)viewDidLoad {
[super viewDidLoad];
UIButton *btn = [[UIButton alloc] initWithFrame:CGRectMake(100, 100, 100, 50)];
btn.backgroundColor = [UIColor purpleColor];
[btn addTarget:self action:@selector(gotoPhoto) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:btn];
// Do any additional setup after loading the view, typically from a nib.
}
(void)gotoPhoto
{
NSLog(@"photo");
self.imageView.backgroundColor = [UIColor yellowColor];
[self setupImagePickerController];
}

/*创建对象/

(void)setupImagePickerController
{
//第一步:判断摄像头是否打开
if([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
{
//第二步:实例化UIImagePickerController对象
_imagePickerController = [[UIImagePickerController alloc] init];
//第三步:告诉picker对象是获取相机资源
_imagePickerController.sourceType = UIImagePickerControllerSourceTypeCamera;
//第四步:设置代理
_imagePickerController.delegate = self;
//第五步:设置picker可以编辑
_imagePickerController.allowsEditing = YES;
//第六步:设置进去的模态方式
_imagePickerController.modalPresentationStyle=UIModalPresentationOverCurrentContext;
//第七步:跳转
[self presentViewController:_imagePickerController animated:YES completion:nil];
}
}

pragma mark --代理方法UIImagePickerControllerDelegate--

(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
//获取选中资源的类型
NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
//只能拍照(还有摄像或者二者都可以有的)
NSString *requiredMediaType = (NSString *)kUTTypeImage;
if([mediaType isEqualToString:requiredMediaType])
{
UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage];
self.imageView.image = image;
}
[picker dismissViewControllerAnimated:YES completion:nil];
}

pragma mark --取消选择图片

(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
(void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end