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copied!<pre><code>public class Testopen extends Activity { private List<String> list; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); File file = new File(Environment.getExternalStorageDirectory() + File.separator + "mymusic" //folder name ); if (!file.exists()) { file.mkdirs(); } ListView lv = (ListView) findViewById(R.id.listview1); list = getSD(); lv.setAdapter((ListAdapter) new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, list)); Log.d("LOG", "FIRE !!!! " ); lv.setOnItemClickListener(new OnItemClickListener() { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // When clicked, show a toast with the TextView text Toast.makeText(Testopen.this,"clicked an item", Toast.LENGTH_LONG).show(); Intent intent = new Intent(Testopen.this, OpenFileActivity.class); startActivity(intent); } }); } //read from sdcard private List<String> getSD() { List<String> item = new ArrayList<String>(); File f = new File("/sdcard/download"); File[] files = f.listFiles(); for(int i = 0; i < files.length; i++) { File file = files[i]; //take the file name only long size = file.length()/1024; String myfile = file.getPath().substring(file.getPath().lastIndexOf("/")+1,file.getPath().length()).toLowerCase(); //item.add(myfile); item.add(myfile+" "+"Size:"+size+" KB"); // Log.d("LOG", "fs "+file.length()); //item.add(file.length()); } return item; } } </code></pre>

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