//选择照片

- (IBAction)selectedPhoto:(id)sender {

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

/*

UIImagePickerControllerSourceTypePhotoLibrary, 显示所有文件夹

UIImagePickerControllerSourceTypeCamera, 调用系统摄像头

UIImagePickerControllerSourceTypeSavedPhotosAlbum 显示内置文件夹

*/

pickVC.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;

pickVC.delegate = self;

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

}

//拍照

- (IBAction)cameraPhoto:(id)sender {

//判断当前设备是否有摄像头

BOOL isCamer = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];

if (!isCamer) {

UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"没有可用摄像头" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];

[alertView show];

return;

}

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

//指定资源的来源：来自摄像头

pickVC.sourceType = UIImagePickerControllerSourceTypeCamera;

pickVC.delegate = self;

[self presentViewController:pickVC animated:YES completion:NULL];

}

//选择视频资源

- (IBAction)selectVedio:(id)sender {

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

/*

UIImagePickerControllerSourceTypePhotoLibrary, 显示所有文件夹

UIImagePickerControllerSourceTypeCamera, 调用系统摄像头

UIImagePickerControllerSourceTypeSavedPhotosAlbum 显示内置文件夹

*/

pickVC.sourceType = UIImagePickerControllerSourceTypeSavedPhotosAlbum;

pickVC.delegate = self;

//指定选择媒体资源类型 public.movie 视频类型 public.p_w_picpath 照片类型

pickVC.mediaTypes = @[@"public.movie"];

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

}

//拍视频

- (IBAction)camerVadio:(id)sender {

//判断当前设备是否有摄像头

BOOL isCamer = [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];

if (!isCamer) {

UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"没有可用摄像头" delegate:nil cancelButtonTitle:@"取消" otherButtonTitles:nil, nil];

[alertView show];

return;

}

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

/*

UIImagePickerControllerSourceTypePhotoLibrary, 显示所有文件夹

UIImagePickerControllerSourceTypeCamera, 调用系统摄像头

UIImagePickerControllerSourceTypeSavedPhotosAlbum 显示内置文件夹

*/

pickVC.sourceType = UIImagePickerControllerSourceTypeCamera;

pickVC.delegate = self;

//指定选择媒体资源类型 public.movie 视频类型 public.p_w_picpath 照片类型

pickVC.mediaTypes = @[@"public.movie"];

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

}

#pragma mark -UIImagePickerControllerDelegate

//选择一个照片、或者视频调用的协议方法

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

{

NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];

if ([mediaType isEqualToString:@"public.p_w_picpath"]) {

//图片

//获取图片

UIImage *img = [info objectForKey:UIImagePickerControllerOriginalImage];

self.imgView.p_w_picpath = img;

//判断照片的来源是否来自摄像头

if (picker.sourceType == UIImagePickerControllerSourceTypeCamera) {

//将图片保存至相册

UIImageWriteToSavedPhotosAlbum(img, self, @selector(p_w_picpath:didFinishSavingWithError:contextInfo:), NULL);

}

}else if([mediaType isEqualToString:@"public.movie"]) {

// UIImagePickerControllerReferenceURL

//1.获取到此资源的url地址

NSURL *url = [info objectForKey:UIImagePickerControllerMediaURL];

//2.创建视频播放器

MPMoviePlayerViewController *moviePlayer = [[MPMoviePlayerViewController alloc] initWithContentURL:url];

//3.弹出视频播放控制器，自动播放

[self presentMoviePlayerViewControllerAnimated:moviePlayer];

}

//关闭模态视图

[picker dismissViewControllerAnimated:YES completion:nil];

}

//通过UIImageWriteToSavedPhotosAlbum 保存图片成功以后，调用的方法

- (void)p_w_picpath:(UIImage *)p_w_picpath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo

{

NSLog(@"保存成功");

}