xcode 将视频保存到照片库 - iPhone SDK
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Saving a Video to the Photo Library - iPhone SDK
提问by lab12
Is there any way for me to save a video in the Documents directory to the Photos Library? I have the link of the video in the documents directory, I just don't know how to save it to the Photos app.
有什么办法可以将 Documents 目录中的视频保存到照片库中吗？我在文档目录中有视频的链接，我只是不知道如何将它保存到照片应用程序中。
Thanks,
谢谢，
Kevin
凯文
采纳答案by Kris Markel
Use the UISaveVideoAtPathToSavedPhotosAlbumfunction.
回答by Gokul
If you are saving it in a local directory first, then you can save it as..
如果您先将其保存在本地目录中，则可以将其另存为..
ALAssetsLibrary *assetLibrary = [[ALAssetsLibrary alloc] init];
[assetLibrary writeVideoAtPathToSavedPhotosAlbum:url completionBlock:^(NSURL *assetURL, NSError *error){
if(error) {
NSLog(@"error while saving to camera roll %@",[error localizedDescription]);
} else {
//For removing the back up copy from the documents directory
NSError *removeError = nil;
[[NSFileManager defaultManager] removeItemAtURL:url error:&removeError];
NSLog(@"%@",[removeError localizedDescription]);
}
}];
回答by DJ1
Try this
尝试这个
You can also use this code to download and save video from internet to Photos.
您还可以使用此代码从互联网下载视频并将其保存到照片。
NSURL *videoUrl = [NSURL URLWithString:[NSString stringWithFormat:@"Your Video Url or Path"]];
dispatch_queue_t q = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0ul);
dispatch_async(q, ^{
NSData *videoData = [NSData dataWithContentsOfURL:videoUrl];
dispatch_async(dispatch_get_main_queue(), ^{
// Write it to cache directory
NSString *videoPath = [[NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) objectAtIndex:0] stringByAppendingPathComponent:@"file.mov"];
[videoData writeToFile:videoPath atomically:YES];
// After that use this path to save it to PhotoLibrary
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library writeVideoAtPathToSavedPhotosAlbum:[NSURL fileURLWithPath:videoPath] completionBlock:^(NSURL *assetURL, NSError *error)
{
if (error)
{
NSLog("Error");
}
else
{
NSLog("Success");
}
}];
});
});
