How to get duration of a video file?

Question

I\'m a beginner in Android programming.

I\'m writing an application to list all video file in a folder and display information of all videos in the folder. But when

Answer 1

Use MediaMetadataRetriever to retrieve media specific data:

MediaMetadataRetriever retriever = new MediaMetadataRetriever();
//use one of overloaded setDataSource() functions to set your data source
retriever.setDataSource(context, Uri.fromFile(videoFile));
String time = retriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
long timeInMillisec = Long.parseLong(time );

retriever.release()