Bdtjtk

Well, one of the requirements is to make audio files such as mp3, caf and other audio files into ringtones, but the library band app needs the file. Band format to open. How to convert mp3, caf and other audio files into band files?

NSData *data = [NSData dataWithContentsOfURL:[NSURL fileURLWithPath:model.fileurl]];

NSLog(@"The file is %lu bytes", (unsigned long)[data length]);

//从路径中获得完整的文件名 （带后缀）

NSString *fileName = [model.fileurl lastPathComponent];

// 获得文件名（不带后缀）

NSString *name = [fileName stringByDeletingPathExtension];

NSString *bellName = [NSString stringWithFormat:@"%@%@.band", folderTempName, name];



ExtAudioConverter* converter = [[ExtAudioConverter alloc] init];

                            converter.inputFile =  model.fileurl;

                            converter.outputFile = bellName;

                            converter.outputFormatID = kAudioFormatMPEGLayer3;

                            converter.outputFileType = kAudioFileMP3Type;

[converter convert:^(BOOL flag) {

    if (flag) {

        NSMutableArray *items = [[NSMutableArray alloc] initWithObjects:[NSURL fileURLWithPath:bellName], nil];

        UIActivityViewController *controller = [[UIActivityViewController alloc] initWithActivityItems:items applicationActivities:nil];



        // 屏蔽AirDrop分享(需要屏蔽的内容)

        NSArray *excludedActivities = @[UIActivityTypePostToTwitter, UIActivityTypePostToFacebook,

                                                                    UIActivityTypePostToWeibo,

                                                                    UIActivityTypeMessage, UIActivityTypeMail,

                                                                    UIActivityTypePrint, UIActivityTypeCopyToPasteboard,

                                                                    UIActivityTypeAssignToContact, UIActivityTypeSaveToCameraRoll,

                                                                    UIActivityTypeAddToReadingList, UIActivityTypePostToFlickr,

                                                                    UIActivityTypePostToVimeo, UIActivityTypePostToTencentWeibo,UIActivityTypeAirDrop,UIActivityTypeOpenInIBooks];

        controller.excludedActivityTypes = excludedActivities;



        UIActivityViewControllerCompletionWithItemsHandler myBlock = ^(NSString *activityType,BOOL completed,NSArray *returnedItems,NSError *activityError)

        {

            NSLog(@"activityType :%@", activityType);

            if (completed)

            {

                NSLog(@"completed");

            }

            else

            {

                NSLog(@"cancel");

            }

        };



        // 初始化completionHandler，当post结束之后（无论是done还是cancell）该blog都会被调用



             controller.completionWithItemsHandler = myBlock;

            [self presentViewController:controller animated:YES completion:nil];

        } else {

            [MBProgressHUD showErrorMessage:NSLocalizedString(@"Error making ring tone", nil)];

        }

    }];