.h文件设置代理
<UINavigationControllerDelegate, UIImagePickerControllerDelegate, UIActionSheetDelegate>
.m文件
#import <AssetsLibrary/AssetsLibrary.h>
#import <MobileCoreServices/MobileCoreServices.h>
#pragma mark UIActionSheetDelegate Method
- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex {
if (buttonIndex == 0) {
// 拍照
if ([self isCameraAvailable] && [self doesCameraSupportTakingPhotos]) {
UIImagePickerController *controller = [[UIImagePickerController alloc] init];
controller.sourceType = UIImagePickerControllerSourceTypeCamera;
controller.allowsEditing = YES;
if ([self isFrontCameraAvailable]) {
controller.cameraDevice = UIImagePickerControllerCameraDeviceFront;
}
NSMutableArray *mediaTypes = [[NSMutableArray alloc] init];
[mediaTypes addObject:(__bridge NSString *)kUTTypeImage];
controller.mediaTypes = mediaTypes;
controller.delegate = self;
[self.viewController presentViewController:controller animated:YES completion:nil];
}
} else if (buttonIndex == 1) {
// 从相册中选取
if ([self isPhotoLibraryAvailable]) {
UIImagePickerController *controller = [[UIImagePickerController alloc] init];
controller.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
NSMutableArray *mediaTypes = [[NSMutableArray alloc] init];
controller.allowsEditing = YES;
[mediaTypes addObject:(__bridge NSString *)kUTTypeImage];
controller.mediaTypes = mediaTypes;
controller.delegate = self;
[self.viewController presentViewController:controller animated:YES completion:nil];
}
}
}
#pragma mark camera utility
- (BOOL) isCameraAvailable{
return [UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera];
}
- (BOOL) isRearCameraAvailable{
return [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceRear];
}
- (BOOL) isFrontCameraAvailable {
return [UIImagePickerController isCameraDeviceAvailable:UIImagePickerControllerCameraDeviceFront];
}
- (BOOL) doesCameraSupportTakingPhotos {
return [self cameraSupportsMedia:(__bridge NSString *)kUTTypeImage sourceType:UIImagePickerControllerSourceTypeCamera];
}
- (BOOL) isPhotoLibraryAvailable{
return [UIImagePickerController isSourceTypeAvailable:
UIImagePickerControllerSourceTypePhotoLibrary];
}
- (BOOL) canUserPickVideosFromPhotoLibrary{
return [self
cameraSupportsMedia:(__bridge NSString *)kUTTypeMovie sourceType:UIImagePickerControllerSourceTypePhotoLibrary];
}
- (BOOL) canUserPickPhotosFromPhotoLibrary{
return [self
cameraSupportsMedia:(__bridge NSString *)kUTTypeImage sourceType:UIImagePickerControllerSourceTypePhotoLibrary];
}
- (BOOL) cameraSupportsMedia:(NSString *)paramMediaType sourceType:(UIImagePickerControllerSourceType)paramSourceType{
__block BOOL result = NO;
if ([paramMediaType length] == 0) {
return NO;
}
NSArray *availableMediaTypes = [UIImagePickerController availableMediaTypesForSourceType:paramSourceType];
[availableMediaTypes enumerateObjectsUsingBlock: ^(id obj, NSUInteger idx, BOOL *stop) {
NSString *mediaType = (NSString *)obj;
if ([mediaType isEqualToString:paramMediaType]){
result = YES;
*stop= YES;
}
}];
return result;
}
#pragma mark - UIImagePickerControllerDelegate
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info {
[picker dismissViewControllerAnimated:YES completion:^() {
UIImage *portraitImg = [info objectForKey:@"UIImagePickerControllerEditedImage"];
}];
}
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker {
[picker dismissViewControllerAnimated:YES completion:nil];
}
调用相册和相机时设置语言为中文
info.plist文件里修改Localization native development region的值为China，默认为en,
没有这个就添加