Android audio file browsing + audio playback

After running the Demo, a list of all the music files on your SD card is displayed, and you can click the list to select a song for playing.

Running effect:

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Then, click the song to call the system player to play the video.

Source code:

Activity_audio_browser.xml:

AudioBrowser. java:

Package com. multimediademo5customaudioplayer2; import java. io. file; import android. app. listActivity; import android. content. intent; import android. database. cursor; import android.net. uri; import android. OS. bundle; import android. provider. mediaStore; import android. view. view; import android. widget. listView; import android. widget. simpleCursorAdapter;/*** after the Demo is run, a list of all music files on your SD card is displayed, and you can click the list to select a song for playing. **/Public class AudioBrowser extends ListActivity {private Cursor cursor; public static int Cursor = 0; public static int STATE_SELECT_SONG = 1; private int currentState = STATE_SELECT_ALBUM; @ SuppressWarnings ("deprecation ") @ Overrideprotected void onCreate (Bundle savedInstanceState) {super. onCreate (savedInstanceState); setContentView (R. layout. activity_audio_browser);/*** creates a string array, indicating that when the query is run The columns returned from MediaStore. */String [] columns = {android. provider. mediaStore. audio. albums. _ ID, android. provider. mediaStore. audio. albums. ALBUM};/*** returns a list of all available ALBUM sets */cursor = managedQuery (MediaStore. audio. albums. EXTERNAL_CONTENT_URI, columns, null); String [] displayFields = new String [] {MediaStore. audio. albums. ALBUM}; int [] displayViews = new int [] {android. r. id. text1};/*** you can use the setListAdapter method to bind the Cursor object to Li StView object */setListAdapter (new SimpleCursorAdapter (this, android. r. layout. simple_list_item_1, cursor, displayFields, displayViews);} @ SuppressWarnings ("deprecation") @ Overrideprotected void onListItemClick (ListView l, View v, int position, long id) {super. onListItemClick (l, v, position, id);/*** determine whether the clicked song folder or a single song */if (currentState = STATE_SELECT_ALBUM) {/*** if it is a song folder, enter the song list of this folder */if (cursor. move ToPosition (position) {String [] columns = {MediaStore. audio. media. DATA, MediaStore. audio. media. _ ID, MediaStore. audio. media. TITLE, MediaStore. audio. media. DISPLAY_NAME, MediaStore. audio. media. MIME_TYPE}; String where = android. provider. mediaStore. audio. media. ALBUM + "=? "; String whereVal [] = {cursor. getString (cursor. getColumnIndex (MediaStore. audio. albums. ALBUM)}; String orderBy = android. provider. mediaStore. audio. media. TITLE; cursor = managedQuery (MediaStore. audio. media. EXTERNAL_CONTENT_URI, columns, where, whereVal, orderBy); String [] displayFields = new String [] {MediaStore. audio. media. DISPLAY_NAME}; int [] displayViews = new int [] {android. r. id. text1}; setListAdapter (new SimpleCursorAdapter (this, android. r. layout. simple_list_item_1, cursor, displayFields, displayViews); currentState = STATE_SELECT_SONG;} else if (currentState = STATE_SELECT_SONG) {/*** if you click a song, then the system player is called to play the song */if (cursor. moveToPosition (position) {int fileColumn = cursor. getColumnIndex (MediaStore. audio. media. DATA); int mimeTypeColumn = cursor. getColumnIndex (MediaStore. audio. media. MIME_TYPE); String audioFilePath = cursor. getString (fileColumn); String mimeType = cursor. getString (mimeTypeColumn); Intent intent = new Intent (android. content. intent. ACTION_VIEW); File newFile = new File (audioFilePath); intent. setDataAndType (Uri. fromFile (newFile), mimeType); startActivity (intent );}}}}

Source code download:

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