Android-Get SD card Music media information via system database

When writing something (such as a music player ), you need the MP3 list of SD card ~ START I use the column file again, but get the information of the file (singers, albums, pictures, length, etc.). ) is troublesome, so use this function directly ~

1     Private voidgetmusicpaths () {2         //3         //Get the music list4         //5cursor cursor = getcontentresolver (). Query (MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,NULL,NULL,NULL, MediaStore.Audio.Media.DEFAULT_SORT_ORDER);6         if(Cursor.movetofirst ()) {7              while(!Cursor.isafterlast ()) { 8                 //Song number9                 //int id = cursor.getint (cursor.getcolumnindexorthrow (mediastore.audio.media._id)); Ten                 //Song title OneString Tilte =cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.TITLE));  A                 //Song's album Name: MediaStore.Audio.Media.ALBUM -                 //String album = cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.ALBUM));  -                 //Song's singer name: MediaStore.Audio.Media.ARTIST theString artist =cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.ARTIST));  -                 //path to the song file: MediaStore.Audio.Media.DATA -String URL =cursor.getstring (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.DATA));  -                 //Total duration of the song: MediaStore.Audio.Media.DURATION +                 //int duration = Cursor.getint (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.DURATION));  -                 //size of the song file: MediaStore.Audio.Media.SIZE +                 //Long size = Cursor.getlong (Cursor.getcolumnindexorthrow (MediaStore.Audio.Media.SIZE)); A Cursor.movetonext (); at             }  -         } -}