android sd卡 txt,android应用读取sd卡下的所有txt文档_

android

1. package your.txtsdka;

2.

3. import java.io.File;

4. import java.util.ArrayList;

5. import java.util.HashMap;

6.

7. import android.app.Activity;

8. import android.os.Bundle;

9. import android.os.Environment;

10.import android.util.Log;

11.import android.widget.ListView;

12.import android.widget.SimpleAdapter;

13.

14.public class Txt_sdkaActivity extends Activity {

15. private ListView lv;

16. ArrayList name;

17.

18. /** Called when the activity is first created. */

19. @Override

20. public void onCreate(Bundle savedInstanceState) {

21. super.onCreate(savedInstanceState);

22. setContentView(http://doc.docsou.comyout.main);

23. lv = (ListView) findViewById(R.id.lv);

24. name = new ArrayList();

25. if (Environment.getExternalStorageState().equals(

26. Environment.MEDIA_MOUNTED)) {

27. File path = Environment.getExternalStorageDirectory();// 获得SD卡路径

28. // File path = new File("/mnt/sdcard/");

29. File[] files = path.listFiles();// 读取

30. getFileName(files);

31. }