//-(void)selectLocalMusic{

//CGFloat version = [UIDevice currentDevice].systemVersion.floatValue;

//

//if(version>= 9.3f)

//{

//MPMediaLibraryAuthorizationStatus authStatus = [MPMediaLibrary authorizationStatus];

//if (authStatus == MPMediaLibraryAuthorizationStatusNotDetermined ) {

//[MPMediaLibrary requestAuthorization:^( MPMediaLibraryAuthorizationStatus status) {

//if (status == MPMediaLibraryAuthorizationStatusAuthorized) {

//dispatch_async(dispatch_get_main_queue(), ^{

//[self openLocalMusic];

//});

//}

//}];

//}

//else if (authStatus == MPMediaLibraryAuthorizationStatusAuthorized)

//{

//[self openLocalMusic];

//}

//else

//{

//[self.view setAlertControllerWithTitle:@"提示" message:@"请前往设置->隐私->媒体与Apple Music开通音乐访问权限" actionTitle:@"确定"];

//}

//}

//else

//{

//[self openLocalMusic];

//}

//}

//-(void)openLocalMusic{

////获取本地歌曲列表信息

//MPMediaQuery *allMp3 = [[MPMediaQuery alloc] init];

//MPMediaPropertyPredicate *albumNamePredicate =

//[MPMediaPropertyPredicate predicateWithValue:[NSNumber numberWithInt:MPMediaTypeMusic ] forProperty: MPMediaItemPropertyMediaType];

//[allMp3 addFilterPredicate:albumNamePredicate];

//

//for (MPMediaItem *song in [allMp3 items]) {

//NSLog (@"名称：%@, URL：%@,歌手名称：%@", song.title, song.assetURL,song.artist);

//NSLog (@"专辑名称：%@", song.albumTitle);

//}

//

//

////创建MPMediaPickerController对象

//MPMediaPickerController *mpc = [[MPMediaPickerController alloc] initWithMediaTypes:MPMediaTypeAnyAudio];

////为MPMediaPickerController设置委托

//mpc.delegate =self;

////设置选择音乐的提示文字。

//mpc.prompt =@"请选择背景音乐";

////设置是否允许进行多选

//mpc.allowsPickingMultipleItems = NO;

////设置是否允许选择云端音乐

//mpc.showsCloudItems =NO;

//

//mpc.showsItemsWithProtectedAssets = NO;

//

//[[self parentViewController] presentViewController:mpc animated:YES completion:^{

////

//}];

//}

#pragma mark - MediaPicker delegate

//当用户选择指定音乐时激发该方法，mediaItemCollection代表用户选择的音乐

- (void)mediaPicker: (MPMediaPickerController*)mediaPicker didPickMediaItems:(MPMediaItemCollection*)mediaItemCollection

{

[[selfparentViewController]dismissViewControllerAnimated:YEScompletion:^{

//[self.delegate musicPlayed:YES];

}];

for(MPMediaItem* itemin[mediaItemCollectionitems]) {

NSString* title = item.title;

NSURL* url = item.assetURL;

TEBackgroundMusicModel* model = [[TEBackgroundMusicModelalloc]init];

model.musicName= [titlestringByAppendingString:@" (本地)"];

model.isLocal=YES;

model.isSelected=YES;

if([self.musicModelscount] >3&& [self.musicModelsobjectAtIndex:2].isLocal)

{

[self.musicModelsremoveObjectAtIndex:2];

}

//copy

NSFileManager*fileManager = [NSFileManagerdefaultManager];

NSString*directryPath = [[[NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES)lastObject]stringByAppendingPathComponent:@"DownloadMagicExpressions"]stringByAppendingPathComponent:@"musics"];

if(![fileManagerfileExistsAtPath:directryPath])

{

[fileManagercreateDirectoryAtPath:directryPathwithIntermediateDirectories:YESattributes:nilerror:nil];

}

NSString* filePath = [directryPathstringByAppendingPathComponent:@"local.mp3"];

[[NSFileManagerdefaultManager]removeItemAtPath:filePatherror:nil];

[TEExportMP3FileexportMP3:urltoFileUrl:filePath];

model.musicURL= [NSURLfileURLWithPath:filePath];

[self.musicModelsinsertObject:modelatIndex:2];

NSRangerange =NSMakeRange(0,1);

NSIndexSet*sectionToReload = [NSIndexSetindexSetWithIndexesInRange:range];

[self.tableViewreloadSections:sectionToReloadwithRowAnimation:UITableViewRowAnimationRight];

}

}

//点击取消按钮触发的方法

- (void)mediaPickerDidCancel:(MPMediaPickerController*)mediaPicker

{

[[selfparentViewController]dismissViewControllerAnimated:YEScompletion:^{

TEMusicViewCell*cell = (TEMusicViewCell*)[self.tableViewcellForRowAtIndexPath:[NSIndexPathindexPathForRow:1inSection:0]];

cell.selectedImageView.hidden=NO;

cell.selected=YES;

[self.tableViewselectRowAtIndexPath:[NSIndexPathindexPathForRow:1inSection:0]animated:NOscrollPosition:UITableViewScrollPositionNone];

}];NSLog(@"用户取消了选择");

}