iOS app调用相机和相册

首先导入两个协议

UIImagePickerControllerDelegate

UINavigationControllerDelegate

实现下面两个方法

-(void)takePhoto//打开相机

{

UIImagePickerControllerSourceType sourceType = UIImagePickerControllerSourceTypeCamera;

if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {

UIImagePickerController *picker = [[UIImagePickerController alloc]init];

picker.delegate = self;

picker.allowsEditing = YES;

picker.sourceType = sourceType;

[self presentViewController:picker animated:YES completion:nil];

}

}

-(void)localPhoto//本地相册

{

UIImagePickerController *picker = [[UIImagePickerController alloc]init];

picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

picker.delegate = self;

picker.allowsEditing = YES;

[self presentViewController:picker animated:YES completion:nil];

}

调用上面两个方法即可访问相机和相册

下面方法 获取 你选中的照片 或者 你拍下的照片

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info

{

NSString *type = [info objectForKey:UIImagePickerControllerMediaType];

if ([type isEqualToString:@"public.image"]) {

//
把图片转化为NSData

UIImage *image = info[UIImagePickerControllerEditedImage];

NSData *data = UIImageJPEGRepresentation(image, 0.1);

_userHead.image = image;
}
}

这样就可以把你的一个UIImageView设置为你刚拍的或者选择的照片了