#import //资产库框架
#import //移动核心服务框架
<UIImagePickerControllerDelegate,UINavigationControllerDelegate>
@property(nonatomic,strong)UIImagePickerController *picker;
-(void)tuxiang
{
//初始化图像选择控制器
self.picker = [[UIImagePickerController alloc]init];
//遵守代理
self.picker.delegate =self;
}
-(void)paizhao
{
//如果拍摄的摄像y头可用
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
// 将sourceType设为UIImagePickerControllerSourceTypeCamera代表拍照或拍视频
self.picker.sourceType = UIImagePickerControllerSourceTypeCamera;
//设置拍摄照片
self.picker.cameraCaptureMode = UIImagePickerControllerCameraCaptureModePhoto;
//设置使用手机的后置摄像头(默认使用后置摄像头)
self.picker.cameraDevice = UIImagePickerControllerCameraDeviceRear;
//设置使用手机的前置摄像头。
//picker.cameraDevice = UIImagePickerControllerCameraDeviceFront;
// 设置拍摄的照片允许编辑
_picker.allowsEditing =YES;
}else{
NSLog(@"模拟器无法打开摄像头");
}
// 显示picker视图控制器
[self presentViewController:self.picker animated:YES completion:nil];
}
-(void)shipin
{
//如果拍摄的摄像头可用
if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) {
// 将sourceType设为UIImagePickerControllerSourceTypeCamera代表拍照或拍视频
self.picker.sourceType = UIImagePickerControllerSourceTypeCamera;
// 将mediaTypes设为所有支持的多媒体类型
self.picker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera];
//设置拍摄视频
self.picker.cameraCaptureMode = UIImagePickerControllerCameraCaptureModeVideo;
//设置拍摄高质量的视频
self.picker.videoQuality = UIImagePickerControllerQualityTypeHigh;
}else{
NSLog(@"模拟器无法打开摄像头");
}
// 显示picker视图控制器
[self presentViewController:self.picker animated:YES completion:nil];
}
-(void)xiangce
{
//设置选择载相册的图片或视频
self.picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
//是否允许编辑
self.picker.allowsEditing = NO;
//显示picker视图控制器
[self presentViewController:self.picker animated:YES completion:nil];
}
#pragma mark - 图像选择控制器代理实现
// 当得到照片或者视频后，调用该方法
-(void)imagePickerController:(UIImagePickerController*)picker
didFinishPickingMediaWithInfo:(NSDictionary*)info
{
//获取用户拍摄的是照片还是视频
NSString *mediaType = [info objectForKey:UIImagePickerControllerMediaType];
//判断获取类型：图片，并且是刚拍摄的照片
if ([mediaType isEqualToString:(NSString*)kUTTypeImage] && picker.sourceType == UIImagePickerControllerSourceTypeCamera) {
UIImage* theImage =nil;
//判断图片是否允许修改
if([pickerallowsEditing]) {
//获取用户编辑之后的图像
theImage = [infoobjectForKey:UIImagePickerControllerEditedImage];
}else{
//获取原始的照片
theImage = [infoobjectForKey:UIImagePickerControllerOriginalImage];
}
//保存图片到相册中
UIImageWriteToSavedPhotosAlbum(theImage, self, nil, nil);
}else if ([mediaType isEqualToString:(NSString *)kUTTypeMovie]){
//判断获取类型：视频，并且是刚拍摄的视频
//获取视频文件的URL
NSURL * mediaURL = [info objectForKey:UIImagePickerControllerMediaURL];
//创建ALAssetsLibrary对象并将视频保存到媒体库
ALAssetsLibrary* assetsLibrary = [[ALAssetsLibraryalloc]init];
//将视频保存到相册中
[assetsLibrarywriteVideoAtPathToSavedPhotosAlbum:mediaURLcompletionBlock:^(NSURL*assetURL,NSError*error) {
//如果没有错误显示保存成功
if(!error) {
NSLog(@"保存成功");
}else{
NSLog(@"保存视频出现错误");
}
}];
}
// 隐藏UIImagePickerController
[pickerdismissViewControllerAnimated:YES completion:nil];
}
#pragma mark - 当用户取消时，调用该方法
- (void)imagePickerControllerDidCancel:(UIImagePickerController*)picker
{
NSLog(@"用户取消拍摄");
//隐藏UIimagePickerController
[pickerdismissViewControllerAnimated:YES completion:nil];
}
