FileChooser

FragmentFileChooser.java

package com.macochave.tupperinventario;

import android.app.Fragment;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListView;

import com.macochave.tupperinventario.adaptador.FileAdapter;
import com.macochave.tupperinventario.item.ListViewItem;
import com.macochave.tupperinventario.mensaje.MessageEvent;

import org.greenrobot.eventbus.EventBus;

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

public class FileChooserFragment extends Fragment implements AdapterView.OnItemClickListener {

    private String DIRECTORIO;
    private ListView lista;
    private ArrayList<ListViewItem> items;
    private FileAdapter adaptador;

    private EventBus bus = EventBus.getDefault();

    public FileChooserFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        // Inflate the layout for this fragment
        View view = inflater.inflate(R.layout.fragment_file_chooser, container, false);
        lista = view.findViewById(R.id.list_files);
        items = new ArrayList<>();

        DIRECTORIO = Environment.getExternalStorageDirectory().getPath();

        Log.i("DIRECTORIO", "onCreateView: " + DIRECTORIO);
        listarArchivos(DIRECTORIO);
        lista.setOnItemClickListener(this);

        return view;
    }

    private void listarArchivos(String raiz) {
        File file = new File(raiz);
        File[] files = file.listFiles();

        try {
            items.add(
                    new ListViewItem(R.drawable.ic_folder_open_rosa_75dp, "Subir carpeta", file.getParentFile().getPath())
            );
        }
        catch (Exception ex)
        {
            items.add(
                    new ListViewItem(R.drawable.ic_folder_open_rosa_75dp, "Subir carpeta", file.getPath())
            );
        }

        for (File f : files)
        {
            ListViewItem item = new ListViewItem(
                    R.drawable.ic_folder_rosa_75dp,
                    f.getName(),
                    f.getPath()
            );

            if (f.isFile())
            {
                if (item.getTexto1().endsWith("jpg") || item.getTexto1().endsWith("JPG") || item.getTexto1().endsWith("jpeg") || item.getTexto1().endsWith("JPEG"))
                    item.setEsImagen(true);
                item.setImagen(R.drawable.ic_description_rosa_75dp);
            }
            items.add(item);
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
    }

    @Override
    public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
        ListViewItem item = (ListViewItem) adapterView.getItemAtPosition(i);

        File file = new File(item.getTexto2());
        if (file.isFile())
        {
            bus.postSticky(new MessageEvent(5, file.getPath()));
            getFragmentManager().popBackStack();
        }
        else
        {
            adaptador = null;
            items.clear();
            lista.setAdapter(adaptador);
            listarArchivos(item.getTexto2());
        }
    }
}