2014/10/15 下午 10:15:42

iphone Programming Glossary: valueforproperty

http://stackoverflow.com/questions/1656124/mpmediaitems-raw-song-data

Implement in your project the media item picker MPMediaItem curItem musicPlayer.nowPlayingItem NSURL url curItem valueForProperty MPMediaItemPropertyAssetURL AVURLAsset songAsset AVURLAsset URLAssetWithURL url options nil AVAssetExportSession exporter..

How to play a song from the itunes library in iphone

http://stackoverflow.com/questions/1665119/how-to-play-a-song-from-the-itunes-library-in-iphone

itemsFromGenericQuery everything items MPMediaItem song for song in itemsFromGenericQuery NSString songTitle song valueForProperty MPMediaItemPropertyTitle NSLog @ @ songTitle assign a playback queue containing all media items on the device myPlayer setQueueWithQuery..

On iPhone: Find out what song is currently playing? (in the iPod music player)

http://stackoverflow.com/questions/1917014/on-iphone-find-out-what-song-is-currently-playing-in-the-ipod-music-player

improve this question MPMediaItem song MPMusicPlayerController iPodMusicPlayer nowPlayingItem NSString title song valueForProperty MPMediaItemPropertyTitle NSString album song valueForProperty MPMediaItemPropertyAlbumTitle NSString artist song valueForProperty.. iPodMusicPlayer nowPlayingItem NSString title song valueForProperty MPMediaItemPropertyTitle NSString album song valueForProperty MPMediaItemPropertyAlbumTitle NSString artist song valueForProperty MPMediaItemPropertyArtist share improve this answer..

how to detect (iphone sdk) if a video file was recorded in portrait orientation, or landscape

http://stackoverflow.com/questions/4627940/how-to-detect-iphone-sdk-if-a-video-file-was-recorded-in-portrait-orientation

or landscape mode. In the following code asset is an AlAsset and I have tested to see if it is a video asset asset valueForProperty ALAssetPropertyType is AlAssetTypeVideo then int orientation asset valueForProperty ALAssetPropertyOrientation intValue.. see if it is a video asset asset valueForProperty ALAssetPropertyType is AlAssetTypeVideo then int orientation asset valueForProperty ALAssetPropertyOrientation intValue In this case orientation is always 0 which is ALAssetOrientationUp . Maybe this is to..

Drawing waveform with AVAssetReader

http://stackoverflow.com/questions/5032775/drawing-waveform-with-avassetreader

MPMediaItem item NSString assetFolder self class assetCacheFolder NSNumber libraryId item valueForProperty MPMediaItemPropertyPersistentID NSString assetPictogramFilename NSString stringWithFormat @ asset_ @. @ libraryId imgExt.. MPMediaItem item NSString assetFolder self class assetCacheFolder NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL NSNumber libraryId item valueForProperty MPMediaItemPropertyPersistentID NSString assettFileExt.. self class assetCacheFolder NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL NSNumber libraryId item valueForProperty MPMediaItemPropertyPersistentID NSString assettFileExt assetURL path lastPathComponent pathExtension NSString assetFilename..

Using MPMediaItems with AVAudioPlayer

http://stackoverflow.com/questions/5222464/using-mpmediaitems-with-avaudioplayer

didPickMediaItems MPMediaItemCollection collection MPMediaItem item collection items objectAtIndex 0 NSURL url item valueForProperty MPMediaItemPropertyAssetURL self dismissModalViewControllerAnimated YES Play the item using MPMusicPlayer MPMusicPlayerController..

Application crashed while importing songs from Ipod library in Iphone for iOs 5.0

http://stackoverflow.com/questions/8077725/application-crashed-while-importing-songs-from-ipod-library-in-iphone-for-ios-5

release self UpdateMediaCollection NSString getExtension MPMediaItem item self showLoadingView NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL AVURLAsset songAsset AVURLAsset URLAssetWithURL assetURL options nil JP AVAssetExportSession.. void exportAssetAsSourceFormat MPMediaItem item self showLoadingView NSLog @ export asset called NSURL assetURL item valueForProperty MPMediaItemPropertyAssetURL NSLog @ n assetURL @ assetURL absoluteString AVURLAsset songAsset AVURLAsset URLAssetWithURL.. default break exportSession.outputFileType fileType NSString fileName nil fileName NSString stringWithString item valueForProperty MPMediaItemPropertyTitle fileName fileName stringByAppendingString @ stringByAppendingString item valueForProperty MPMediaItemPropertyArtist..

Get video NSData from ALAsset url iOS

http://stackoverflow.com/questions/8791049/get-video-nsdata-from-alasset-url-ios

asset defaultRepresentation .url I also tried something like this NSData webData1 NSData dataWithContentsOfURL asset valueForProperty ALAssetPropertyURLs valueForKey asset valueForProperty ALAssetPropertyURLs allKeys objectAtIndex 0 The url that I get from.. like this NSData webData1 NSData dataWithContentsOfURL asset valueForProperty ALAssetPropertyURLs valueForKey asset valueForProperty ALAssetPropertyURLs allKeys objectAtIndex 0 The url that I get from the ALAsset assets library asset asset.MOV id 1000000116..

How Do I Get The Correct Latitude and Longitude From An Uploaded iPhone Photo?

http://stackoverflow.com/questions/9319465/how-do-i-get-the-correct-latitude-and-longitude-from-an-uploaded-iphone-photo