iOS拍照後使用該圖片(獲取照片的ALasset傳到相簿)
阿新 • • 發佈:2019-01-04
問題:
拍照後,點選選擇照片在-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info 的代理方法中獲取了相簿的Alasset後,發現為空
解決辦法:
-(void)imagePickerController:(UIImagePickerController*)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
NSString *type = [info objectForKey:UIImagePickerControllerMediaType];
if ([type isEqualToString:@"public.image"])
{
//先把圖片轉成NSData
UIImage* image = [info objectForKey:@"UIImagePickerControllerOriginalImage"];
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library writeImageToSavedPhotosAlbum:[image CGImage] orientation:(ALAssetOrientation)[image imageOrientation] completionBlock:^(NSURL *assetURL, NSError *error){
if (error) {
// TODO: error handling
} else {
[library assetForURL:assetURL resultBlock:^(ALAsset *asset) {
[self.selectPhotos addObject:asset];
[_imageCollection reloadData];
} failureBlock:^(NSError *error) {
}];
}
}];
}
}