取得SD卡所有名称关键代码

来源：互联网发布：宁夏干部网络培训中心编辑：程序博客网时间：2024/05/19 23:12

lv_sd = (ListView)findViewById(R.id.lv_sd);
        ArrayList<HashMap<String,String>> listItems = new ArrayList<HashMap<String,String>>();
        String sdStateString = Environment.getExternalStorageState();
        if(sdStateString.equals(android.os.Environment.MEDIA_MOUNTED)) {
        try{
          File sdFile = android.os.Environment.getExternalStorageDirectory();
          File sdPath = new File(sdFile.getAbsolutePath());
          if(sdPath.listFiles().length>0) {
           for(File file:sdPath.listFiles()) {
            HashMap<String,String> map = new HashMap<String,String>();
            map.put("text_content", file.getName());
            listItems.add(map);
           }
          }
        }catch(Exception e) {
          Log.e("exception", e.toString());
        }
        }
        //生成适配器并和动态数组对应的元素绑定
        SimpleAdapter listItemAdapter = new SimpleAdapter(this,listItems,R.layout.main_view_list_item,
          new String[] {"text_content"},
          new int[] {R.id.main_list_item_name});

//设置数据源
lv_sd.setAdapter(listItemAdapter);