package com.osinit.bitsfusion.service;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.app.ListActivity;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.ListView;

public class CustomizesFolders extends ListActivity {

    private List<Model> item = null;
    private String root ; 
    private File mCurrentDirectory;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.customizes_folders);
        root = Environment.getExternalStorageDirectory().getPath();
        getDir(root); 
        
    }

    //   выводит список папок 
    private void getDir(String dirPath) {
        mCurrentDirectory = new File(dirPath);
        item = new ArrayList<Model>();
        File f = new File(dirPath);
        File[] files = f.listFiles(); 
        // если мы не в корневой папке
        if (!dirPath.equals(root)) {
            item.add(getModel("../", f.getParent()));
        }

        // формируем список папок и файлов для передачи адаптеру
        for (int i = 0; i < files.length; i++) {
            File file = files[i];
            if(!file.isHidden() && file.canRead()){
            	if (file.isDirectory())
                	item.add(getModel(file.getName(), file.getPath()));            	
            }
        } 
        CustomizesAdapter adapter = new CustomizesAdapter(this, item);
        setListAdapter(adapter);
    }
    
    private Model getModel(String name, String path){
        return new Model(name, path);
    }
    
    @Override
    public void onBackPressed() {
        if (mCurrentDirectory.getAbsolutePath().equals(root)) {
            super.onBackPressed();
            return;
        }
        upOneLevel();
    }
    
 //перейти на parent директорию
    private void upOneLevel() {
        if (mCurrentDirectory.getParent() != null) {
            getDir(mCurrentDirectory.getParent());
        }
    }
    
    public void onCancelClick(View v) {
        setResult(RESULT_CANCELED);
        finish();
    }
    
  // обработка нажатий на элементах списка
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        File file = new File(item.get(position).getPath());
     // если она доступна для просмотра, то заходим в неё
        if (file.canRead()) 
            getDir(file.getPath());
            
           
    } 
}

package com.osinit.bitsfusion.service;

import java.util.List;

import android.app.Activity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;

public class CustomizesAdapter extends ArrayAdapter<Model> {

    private final List<Model> mList;
    private final Activity mContext;

    public CustomizesAdapter(Activity context, List<Model> list) {
        super(context, R.layout.rowbutton, list);
        this.mContext = context;
        this.mList = list;
    }

    static class ViewHolder {
        protected TextView text;
        protected CheckBox checkbox;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        View view = null;
        if (convertView == null) {
            LayoutInflater inflator = mContext.getLayoutInflater();
            view = inflator.inflate(R.layout.rowbutton, null);
            final ViewHolder viewHolder = new ViewHolder();
            viewHolder.text = (TextView) view.findViewById(R.id.label);
            viewHolder.checkbox = (CheckBox) view.findViewById(R.id.checkBox);
            viewHolder.checkbox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                @Override
                public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                    Model element = (Model) viewHolder.checkbox.getTag();
                    element.setSelected(buttonView.isChecked());
                }
            });       
           view.setTag(viewHolder);
           viewHolder.checkbox.setTag(mList.get(position));
        } else {
            view = convertView;
            ((ViewHolder) view.getTag()).checkbox.setTag(mList.get(position));
        }
        ViewHolder holder = (ViewHolder) view.getTag();
        holder.text.setText(mList.get(position).getName());
        holder.checkbox.setChecked(mList.get(position).getSelected());
        return view;
    }
}

package com.osinit.bitsfusion.service;

public class Model {

    private String name;
    private String path;
    private boolean selected;

    public Model(String name, String path) {
        this.name = name;
        this.path = path;
        selected = false;
    }

    public String getName() {
        return name;
    }
    
    public String getPath() {
        return path;
    }

    public void setName(String name) {
        this.name = name;
    }
    
    public void setPath(String path) {
        this.path = path;
    }

    public boolean getSelected() {
        return selected;
    }
    
    public void setSelected(boolean selected) {
        this.selected = selected;
    }

}