......

    //切换目录
    fileSelectorView.setCurrentDirectory(new File(Environment.getExternalStorageDirectory(), "Download"));
    //设置文件过滤
    fileSelectorView.setFileExtensionForFileFilter(Arrays.asList("shp", "txt"));
    //自定义文件图标
    fileSelectorView.setFileIconFactory(new FileIconCreator() {
        public Drawable getIcon(File file) {
            if (file == null) {
                return getResources().getDrawable(R.drawable.rotating);
            } else {
                return getResources().getDrawable(R.drawable.layers3);
            }
        }
    });

    fileSelectorView.setTextSize(30);//设置文字大小
    fileSelectorView.setTextColor(Color.GREEN); //设置文字颜色
    fileSelectorView.setIconSize(200); //设置图标大小也就是设置放置图标的imageView的大小

    //设置选择文件的监听
    fileSelectorView.setFileSelectedListener(new FileSelectorView.OnFileSelectedListener() {
        @Override
        public void onSelected(File selectedFile) {
            Toast.makeText(MainActivity.this, "" + selectedFile.getAbsolutePath(), Toast.LENGTH_SHORT).show();
        }
      @Override
        public void onFilePathChanged(File file) {
            curPathTextView.setText(file.getAbsolutePath());
        }
    });
    
    //设置文件排序
    fileSelectorView.setFileSortComparator(new FileSelectorView.FileAscSortComparator());
}
    
    ......