List All Audio Files in Android - modifications to this https://github.com/kaecy/android-demos/tree/master/adding%20search

OpenLinksListener.java

package org.cheat.search;

import android.content.Intent;
import android.content.Context;
import android.net.Uri;
import android.widget.TextView;
import android.widget.ListView;
import android.provider.MediaStore.Audio;

public class OpenLinksListener implements ListView.OnItemClickListener {

  Context context;
  public OpenLinksListener(Context context)
  {
    this.context = context;
  }
  
  @Override
  public void onItemClick(android.widget.AdapterView<?> parent, android.view.View view, int position, long id)
  {
    Uri openable = Uri.parse(Audio.Media.getContentUri("external").toString() + "/" + (((TextView)view).getText().toString().split(": ")[0]));
    Intent intent = new Intent(Intent.ACTION_VIEW);
    
    intent.setDataAndType(openable, "audio/*");
    context.startActivity(intent);
  }
}

Search.java

package org.cheat.search;

import android.app.Activity;
import android.os.Bundle;
import android.widget.SearchView;
import android.widget.ListView;
import android.widget.ArrayAdapter;
import android.database.Cursor;

public class Search extends Activity
{
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.search_result_layout);
        
        activity = this;
        adapter = new ArrayAdapter(this, R.layout.textview);
        
        ListView listview = (ListView)findViewById(R.id.listview);
        listview.setAdapter(adapter);
        listview.setOnItemClickListener(new OpenLinksListener(activity));
    }
    
    public void performSearch(String query)
    {
      Cursor music = getContentResolver().query(
        android.provider.MediaStore.Audio.Media.EXTERNAL_CONTENT_URI,
        new String[]{ "_id", "_data" },
        "is_music != 0", 
        null, null);
        
      adapter.clear(); // clear all the items in the listview
      
      query = query.toLowerCase(); // we want the match to be case-insensitive
      
      String path;
      
      while ( music.moveToNext() )
      {
        path = music.getString(1).toLowerCase();
        if ( path.contains(query) )
          adapter.add(music.getString(0) + ": " + music.getString(1));
      }
      
      adapter.notifyDataSetChanged(); // now we tell the adapter to update the changes
    }
    
    @Override
    public boolean onCreateOptionsMenu(android.view.Menu activityMenu)
    {
      getMenuInflater().inflate(R.menu.actions, activityMenu);
      SearchView search = (SearchView) activityMenu.findItem(R.id.search).getActionView();
      search.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
        @Override
        public boolean onQueryTextSubmit(String text) {
          activity.performSearch(text);
          return true;
        }
        @Override
        public boolean onQueryTextChange(String text) {
          return false;
        }
      });
      return true;
    }
    
    Search activity;
    ArrayAdapter adapter;
}