ShareExtention视频分享

记录一下ShareExtention一个视频分享的功能。 需要用到appgroups

[itemProvider loadItemForTypeIdentifier:@"public.movie" options:nil completionHandler:^(id _Nullable item, NSError * _Null_unspecified error) {

    // 对itemProvider夹带着的图片进行解析
    NSURL *videoUrl = (NSURL *)item;
    
    NSString *videoName = [videoUrl lastPathComponent];
    
    NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
    NSUserDefaults *userDefaults = [[NSUserDefaults alloc] initWithSuiteName:[NSString stringWithFormat:@"group.%@",bundleIdentifier]];
    
    NSURL *uotPutPath;
    NSString *outputStr = [NSString stringWithFormat:@"%@/%.0f%d.mp4",self.storagePath,[[NSDate date] timeIntervalSince1970],arc4random()%100];
    if ([outputStr hasPrefix:@"file://"]) {
        uotPutPath = [NSURL URLWithString:outputStr];
    } else {
        uotPutPath = [NSURL URLWithString:[NSString stringWithFormat:@"file://%@",outputStr]];
    }
    
    AVURLAsset *anAsset = [[AVURLAsset alloc]initWithURL:videoUrl options:nil];
    //                                    AVURLAsset *anAsset = (AVURLAsset *)exportSession.asset;
    SDAVAssetExportSession *encoder = [SDAVAssetExportSession.alloc initWithAsset:anAsset];
    encoder.outputFileType = @"com.apple.quicktime-movie";
    encoder.outputURL = uotPutPath;
    encoder.videoSettings = @{
                              AVVideoCodecKey: AVVideoCodecH264,
                              AVVideoWidthKey: @(self.view.frame.size.width),
                              AVVideoHeightKey: @(self.view.frame.size.height),
                              AVVideoCompressionPropertiesKey: @
                              {
                              AVVideoAverageBitRateKey: @(2*self.view.frame.size.width*self.view.frame.size.height),
                              AVVideoProfileLevelKey: AVVideoProfileLevelH264MainAutoLevel,
                              },
                              };
    
    
    [encoder exportAsynchronouslyWithCompletionHandler:^
     {
         dispatch_async(dispatch_get_main_queue(), ^{
             
             [self.activityIndicatorView stopAnimating];
             NSLog(@"00============%f",    encoder.progress);
             if (encoder.status == AVAssetExportSessionStatusCompleted)
             {
                 NSLog(@"Video export succeeded");
                 NSMutableDictionary *dataDic = [NSMutableDictionary dictionary];
                 [dataDic setObject:[NSString stringWithFormat:@"%@",uotPutPath] forKey:@"imageUrl"];
                 [dataDic setObject:uotPutPath.absoluteString forKey:@"videoURL"];
                 
                 [self.imageDataArray addObject:dataDic];
                 
                 //存图片数组
                 [userDefaults setObject:self.imageDataArray forKey:@"shareImageDataArray"];
                 //用于标记是新的分享
                 [userDefaults setBool:YES forKey:@"newShare"];
                 
                 
                 //获取全部再销毁
                 [self.extensionContext completeRequestReturningItems:@[] completionHandler:nil];
                 
                 NSURL *destinationURL = [NSURL URLWithString:[NSString stringWithFormat:@"dachenmedicalcircle://%@",@"saveFilePath"]];
                 NSString *className = [[NSString alloc] initWithData:[NSData dataWithBytes:(unsigned char []){0x55, 0x49, 0x41, 0x70, 0x70, 0x6C, 0x69, 0x63, 0x61, 0x74, 0x69, 0x6F, 0x6E} length:13] encoding:NSASCIIStringEncoding];
                 if (NSClassFromString(className)) {
                     id object = [NSClassFromString(className) performSelector:@selector(sharedApplication)];
                     [object performSelector:@selector(openURL:) withObject:destinationURL];
                 }
                 
             }
             else if (encoder.status == AVAssetExportSessionStatusCancelled)
             {
                 NSLog(@"Video export cancelled");
             }
             else
             {
                 NSLog(@"Video export failed with error: %@ (%ld)", encoder.error.localizedDescription, (long)encoder.error.code);
             }
         });
     }];
}]


- (NSString *)storagePath

{ if (_storagePath) { return _storagePath; } NSString *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier]; NSURL *groupURL = [[NSFileManager defaultManager] containerURLForSecurityApplicationGroupIdentifier:[NSString stringWithFormat:@"group.%@",bundleIdentifier]]; NSString *groupPath = [groupURL path]; _storagePath = [groupPath stringByAppendingPathComponent:APP_FOLDER_NAME]; NSFileManager *fileManager = [NSFileManager defaultManager];

NSError *error;
BOOL success = [fileManager removeItemAtPath:_storagePath error:&error];
if (success) {
    NSLog(@"删除共享文件夹");
}

if (![fileManager fileExistsAtPath:_storagePath]) {
    [fileManager createDirectoryAtPath:_storagePath withIntermediateDirectories:NO attributes:nil error:nil];
}
return _storagePath;

}