iOS调用相册和摄像头

- (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view.

UIImageView *imageView = [[UIImageView alloc] init];
imageView.frame = CGRectMake(0, 0, 80, 120);
imageView.backgroundColor = [UIColor greenColor];
imageView.tag = 101;

[self.view addSubview:imageView];

UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button.frame = CGRectMake(0, 200, 100, 30);
[button setTitle:@"打开相册" forState:UIControlStateNormal];
[button addTarget:self action:@selector(openPics) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button];

UIButton *button2 = [UIButton buttonWithType:UIButtonTypeRoundedRect];
button2.frame = CGRectMake(0, 300, 100, 30);
[button2 setTitle:@"打开相机" forState:UIControlStateNormal];
[button2 addTarget:self action:@selector(openCamera) forControlEvents:UIControlEventTouchUpInside];
[self.view addSubview:button2];

}

// 打开相机

• (void)openCamera { // UIImagePickerControllerCameraDeviceRear 后置摄像头 // UIImagePickerControllerCameraDeviceFront 前置摄像头 BOOL isCamera = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear]; if (!isCamera) { NSLog(@"没有摄像头"); return ; } UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; imagePicker.sourceType = UIImagePickerControllerSourceTypeCamera; imagePicker.delegate = self; // 编辑模式 imagePicker.allowsEditing = YES; [self presentViewController:imagePicker animated:YES completion:^{ }];

}

// 打开相册

• (void)openPics { UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init]; imagePicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; imagePicker.delegate = self; [self presentViewController:imagePicker animated:YES completion:^{ }];

}

// 选中照片

• (void)imagePickerController:(UIImagePickerController )picker didFinishPickingMediaWithInfo:(NSDictionary )info{ NSLog(@"%@", info); UIImageView imageView = (UIImageView )[self.view viewWithTag:101]; // UIImagePickerControllerOriginalImage 原始图片 // UIImagePickerControllerEditedImage 编辑后图片 UIImage *image = [info objectForKey:UIImagePickerControllerEditedImage]; imageView.image = image; [picker dismissViewControllerAnimated:YES completion:NULL];

}

// 取消相册

• (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker { [picker dismissViewControllerAnimated:YES completion:NULL];

}</pre>