Android - Error in save/read Sqlite or set list to ListView

my database has 1 line in Produtos table but my ListView is empty !

i put adapter String[] and works.... but when i set data from database is empty

i already give select, insert commands in cmd/sqlite and its ok.

i dont find the error ...

Thanks Very much !

//item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://ift.tt/nIICcg"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="horizontal"
    android:padding="5dp" >

    <ImageButton
        android:id="@+id/itemBuy"
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:layout_marginStart="5dp"
        android:layout_marginEnd="5dp"
        android:layout_marginTop="5dp"
        android:src="@drawable/iconbuy1" />

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        android:padding="5dp" >

        <TextView
            android:id="@+id/itemName"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="0.71"
            android:text="Produto"
            android:textSize="25sp" />

        <LinearLayout
            android:orientation="horizontal"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_weight="0.71" >

            <TextView
                android:id="@+id/itemQtde"
                android:layout_width="wrap_content"
                android:layout_height="20dp"
                android:text="Quantidade: 4"
                android:textSize="12sp" />
            <View 
                android:layout_height="20dp"
                android:layout_width="50dp"/>

             <TextView
                 android:id="@+id/itemPreco"
                 android:layout_width="wrap_content"
                 android:layout_height="20dp"
                 android:text="Preco: R$4,00"
                 android:textSize="12sp" />

        </LinearLayout>
    </LinearLayout>

</LinearLayout>

novoproduto.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://ift.tt/nIICcg"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/product_name"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText
        android:id="@+id/editNome"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10" >

        <requestFocus />
    </EditText>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/product_preco"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText
        android:id="@+id/editPreco"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:inputType="numberDecimal"
        android:ems="10" />

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/product_desc"
        android:textAppearance="?android:attr/textAppearanceMedium" />

    <EditText
        android:id="@+id/editDetalhes"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:ems="10"
        android:inputType="textMultiLine" />

</LinearLayout>

//Main.java

   package thiagoyb.controleestoque;

import android.app.ActionBar;
import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.content.Context;
import android.os.Bundle;
import android.support.v4.widget.DrawerLayout;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ListView;

public class Main extends Activity implements NavigationDrawerFragment.NavigationDrawerCallbacks {
    private NavigationDrawerFragment mNavigationDrawerFragment;
    private CharSequence mTitle;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        mNavigationDrawerFragment = (NavigationDrawerFragment) getFragmentManager()
                .findFragmentById(R.id.navigation_drawer); //lista 
        mTitle = getTitle();

        // Set up the drawer.
        mNavigationDrawerFragment.setUp(R.id.navigation_drawer,
                (DrawerLayout) findViewById(R.id.drawer_layout));

        BancoDeDados.criaBanco(this);
    }

    @Override
    public void onNavigationDrawerItemSelected(int position) {
        // update the main content by replacing fragments
        FragmentManager fragmentManager = getFragmentManager();
        fragmentManager
                .beginTransaction()
                .replace(R.id.container,
                        PlaceholderFragment.newInstance(this,position + 1)).commit();
    }

    public void onSectionAttached(int number) {
        switch (number) {
        case 1:
            mTitle = getString(R.string.title_section1);
            break;
        case 2:
            mTitle = getString(R.string.title_section2);
            break;
        case 3:
            mTitle = getString(R.string.title_section3);
            break;
        }
    }       

    public void restoreActionBar() {
        ActionBar actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setTitle(mTitle);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        if (!mNavigationDrawerFragment.isDrawerOpen()) {
            getMenuInflater().inflate(R.menu.main, menu);
            restoreActionBar();
            return true;
        }
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    /**
     * A placeholder fragment containing a simple view.
     */
    public static class PlaceholderFragment extends Fragment {
        private static final String ARG_SECTION_NUMBER = "section_number";
        private static Context context = null;
        public static PlaceholderFragment newInstance(Context c, int sectionNumber) {
            context = c;
            PlaceholderFragment fragment = new PlaceholderFragment();
            Bundle args = new Bundle();
            args.putInt(ARG_SECTION_NUMBER, sectionNumber);
            fragment.setArguments(args);                                
            return fragment;
        }

        public PlaceholderFragment() {
        }

        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            View rootView = inflater.inflate(R.layout.frag_main, container,false);
            View emptyView = inflater.inflate(R.layout.vazio, null);

            ListView loja = (ListView) rootView.findViewById(R.id.list_loja);
            ListView estoque = (ListView) rootView.findViewById(R.id.list_estoque);
            ListView loglist = (ListView) rootView.findViewById(R.id.list_log);         

            loja.setVisibility(View.GONE);
            loja.setEmptyView(emptyView);
            estoque.setVisibility(View.GONE);
            estoque.setEmptyView(emptyView);
            loglist.setVisibility(View.GONE);
            loglist.setEmptyView(emptyView);

            switch(getArguments().getInt(ARG_SECTION_NUMBER)){
                case 1: {
                    loja.setVisibility(View.VISIBLE);
                    loja.setAdapter(new ItemAdapter(context, 1, BancoDeDados.ler(context)));
                    break;} 
                case 2: {
                    estoque.setVisibility(View.VISIBLE);
                    estoque.setAdapter(new ItemAdapter(context,2,BancoDeDados.ler(context)));
                    break;} 
                case 3: {
                    loglist.setVisibility(View.VISIBLE);
                    break;}             
            }                                                   
            return rootView;
        }

        @Override
        public void onAttach(Activity activity) {
            super.onAttach(activity);
            ((Main) activity).onSectionAttached(getArguments().getInt(ARG_SECTION_NUMBER));
        }
    }

}

// BancoDeDados.java

    package thiagoyb.controleestoque;

import java.util.ArrayList;

import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.util.Log;
import android.widget.Toast;

public class BancoDeDados {
  private static SQLiteDatabase database = null;
    public static void criaBanco(Context context){
        String CREATE_TABLE = "CREATE TABLE IF NOT EXISTS Produtos"
                             +"(id INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,"
                             +" nome VARCHAR(20) NOT NULL,"
                             +" qtde INTEGER NOT NULL,"
                             +" preco VARCHAR(6) NOT NULL,"
                             +" desc VARCHAR(45) NULL"
                             + ");";            
        try{
            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            database.execSQL(CREATE_TABLE);
            database.close();
            Log.i("BD.java", "Banco Dados Criado/Aberto!");
            //Toast.makeText(context, "Banco Dados Criado/Aberto!", Toast.LENGTH_SHORT).show();
        }
        catch(Exception e){
            Log.i("BD.java", "Erro ao criar/abrir Banco de Dados.");
        }
    }

    public static boolean table_exists(Context context, SQLiteDatabase database){
        boolean tem = false;
        try{
            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            Cursor c = database.rawQuery("SELECT name FROM sqlite_master WHERE name = 'Produtos'  and type = 'table';", null);
            if(c!=null && c.moveToFirst()){
                while(c.moveToNext()){
                 String tabela = c.getString(c.getColumnIndex("name"));
                if(tabela.equals("Produtos")){
                    tem = true;
                }
              }
            }
            database.close();
            Log.i("BD.java", "Verificou se tem a tabela.("+(tem?"True":"False")+")");
        }
        catch(Exception e){
            Log.i("BD.java", "Erro ao ver se tabela existe.");}
        return tem;
    }

    public static boolean db_exists(Context context, SQLiteDatabase database) {
        try{
            database = SQLiteDatabase.openDatabase("estoque.db", null, SQLiteDatabase.OPEN_READONLY);
            database.close();
            Log.i("BD.java", "o banco de dados existe.");
        }
        catch(Exception e){
            Log.i("BD.java", "Erro ou o banco de dados nao existe.");}
        return database != null;
    }

    public static ArrayList<Produto> ler(Context context){
        ArrayList<Produto> produtos = new ArrayList<Produto>();
        try{
            String SELECT_TABLE = "SELECT * FROM Produtos;";

            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            Cursor c = database.rawQuery(SELECT_TABLE, null);
            if(c!=null && c.moveToFirst()){
                while(c.moveToNext()){
                    Integer id = Integer.valueOf(c.getString(c.getColumnIndex("id")));
                    String nome = c.getString(c.getColumnIndex("nome"));
                    Integer qtde = Integer.valueOf(c.getString(c.getColumnIndex("qtde")));
                    String preco = c.getString(c.getColumnIndex("preco"));
                    String desc = c.getString(c.getColumnIndex("desc"));
                 produtos.add(new Produto(id, nome, qtde, preco, desc));
              }
            }
            c.close();
            database.close();
            Log.i("BD.java", "Dados lidos do banco.");
            Toast.makeText(context, "Produtos carregados.", Toast.LENGTH_SHORT).show();
          }
          catch(Exception e){Log.i("BD.java", "Erro ao ler os dados.");}
        return produtos;
    }

    public static void apagar(Context context, Integer id){
          try{
            String DELETE = "DELETE FROM Produtos WHERE id = "+id;

            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            database.execSQL(DELETE);
            database.close();
            Log.i("BD.java", "linha(s) apagada(s) no banco.");
            Toast.makeText(context, "linha(s) apagada(s) no banco.", Toast.LENGTH_SHORT).show();
          }
          catch(Exception e){Log.i("BD.java", "Erro ao apagar dados.");}
        }

    public static void save(Context context, Produto p){
          try{
            String INSERT_TABLE = "INSERT INTO Produtos (id, nome, qtde, preco, desc)  VALUES (null, \""+p.getNome().toString()+"\", "+p.getQuantidade()+",'"+p.getPreco()+"',\""+p.getDescricao().toString()+"\");";

            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            ContentValues myvalues = new ContentValues();
            myvalues.put("nome", p.getNome());
            myvalues.put("qtde", 0);
            myvalues.put("preco", p.getPreco());
            myvalues.put("desc", p.getDescricao());
            database.insert("Produtos", null, myvalues);
            database.close();
            Log.i("BD.java", "Dados inseridos no banco.");
            Toast.makeText(context, "Produto Cadastrado.", Toast.LENGTH_SHORT).show();
          }
          catch(Exception e){Log.i("BD.java", "Erro ao inserir dados.");}
        }


    public static void gravar(Context context, Produto p){
      try{
        String INSERT_TABLE = "INSERT INTO Produtos (id, nome, qtde, preco, desc)  VALUES (null, \""+p.getNome().toString()+"\", "+p.getQuantidade()+",'"+p.getPreco()+"',\""+p.getDescricao().toString()+"\");";

        database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
        database.execSQL(INSERT_TABLE);
        database.close();
        Log.i("BD.java", "Dados inseridos no banco.");
        Toast.makeText(context, "Produto Cadastrado.", Toast.LENGTH_SHORT).show();
      }
      catch(Exception e){Log.i("BD.java", "Erro ao inserir dados.");}
    }

    public static void apagaTabela(Context context){
        try {
            database = context.openOrCreateDatabase("estoque.db", Context.MODE_PRIVATE, null);
            database.execSQL("DROP TABLE IF EXISTS Pessoas;");
            database.close();
        } catch (Exception e) {}
        Toast.makeText(context, "Tabela apagada do banco.", Toast.LENGTH_SHORT).show();
    } 
}

//ItemAdapter.java

package thiagoyb.controleestoque;

import java.util.ArrayList;

import android.content.Context;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;




public class ItemAdapter extends ArrayAdapter<String> {
    private final Context context;
    private final ArrayList<Produto> produtos;
    private int sectionid;
    private static String[] v  = new String[]{"Produto 1","Produto 2","Produto 3"};


    public ItemAdapter(Context context, int sectionid, ArrayList<Produto> produtos) {
        super(context, R.layout.item, getProductsNames(produtos));
        this.context = context;
        this.sectionid = sectionid;
        this.produtos = produtos;
        Log.i("SIZE", "Size: "+produtos.size());
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        LayoutInflater inflater = (LayoutInflater) context
                .getSystemService(Context.LAYOUT_INFLATER_SERVICE);

        View rowView = inflater.inflate(R.layout.item, parent, false);
        TextView itemNome = (TextView) rowView.findViewById(R.id.itemName);
        TextView itemQtde = (TextView) rowView.findViewById(R.id.itemQtde);
        TextView itemPreco = (TextView) rowView.findViewById(R.id.itemPreco);
        ImageView itemBuy = (ImageView) rowView.findViewById(R.id.itemBuy);


        itemNome.setText(produtos.get(position).getNome().toString());
        itemQtde.setText(produtos.get(position).getQuantidade());
        itemPreco.setText(produtos.get(position).getPreco().toString());

        /*
        itemNome.setText(v[position]);
        itemQtde.setText("Quantidade: 3");
        itemPreco.setText("Preco:   1.25");         
    */  


        itemBuy.setOnClickListener(new OnClickListener() {          
            @Override
            public void onClick(View v) {
                Toast.makeText(context, "Item comprado !", Toast.LENGTH_SHORT).show();              
            }
        });


        return rowView;
    }

    public static String[] getProductsNames2(ArrayList<Produto> ps){
        int i= ps.size();
        String[] str = new String[i];       
        for(Produto p : ps){            
            str[i-1] = p.getNome(); 
            i--;
        }
        return str;
    }

    public static String[] getProductsNames(ArrayList<Produto> ps){
        ArrayList<String> strs =  new ArrayList<String>();
        for(Produto p : ps){
            strs.add(p.getNome());
        }
        String[] str = new String[strs.size()];     
        str = strs.toArray(str);
        return str;
    }

}

//NavigationDrawerFragment.java

package thiagoyb.controleestoque;

import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Fragment;
import android.content.Context;
import android.content.DialogInterface;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.ActionBarDrawerToggle;
import android.support.v4.view.GravityCompat;
import android.support.v4.widget.DrawerLayout;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
/**
 * "http://ift.tt/1agbF6m" 
 */

public class NavigationDrawerFragment extends Fragment {
    private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";
    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";

    private NavigationDrawerCallbacks mCallbacks;
    private ActionBarDrawerToggle mDrawerToggle;

    private DrawerLayout mDrawerLayout;
    private ListView mDrawerListView;
    private View mFragmentContainerView;

    private int mCurrentSelectedPosition = 0;
    private boolean mFromSavedInstanceState;
    private boolean mUserLearnedDrawer;

    public NavigationDrawerFragment() {
    }

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

        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);

        if (savedInstanceState != null) {
            mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);
            mFromSavedInstanceState = true;
        }
        // Select either the default item (0) or the last selected item.
        selectItem(mCurrentSelectedPosition);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {
        mDrawerListView = (ListView) inflater.inflate(R.layout.frag_nav_drawer,container, false);
        mDrawerListView
                .setOnItemClickListener(new AdapterView.OnItemClickListener() {
                    @Override
                    public void onItemClick(AdapterView<?> parent, View view,int position, long id) {
                        selectItem(position);
                    }
                });
        mDrawerListView.setAdapter(new ArrayAdapter<String>(getActionBar()
                .getThemedContext(),
                android.R.layout.simple_list_item_activated_1,
                android.R.id.text1, new String[] {
                        getString(R.string.title_section1),
                        getString(R.string.title_section2),
                        getString(R.string.title_section3), }));
        mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);
        return mDrawerListView;
    }

    public boolean isDrawerOpen() {
        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);
    }


    public void setUp(int fragmentId, DrawerLayout drawerLayout) {
        mFragmentContainerView = getActivity().findViewById(fragmentId);
        mDrawerLayout = drawerLayout;

        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

        ActionBar actionBar = getActionBar();
        actionBar.setDisplayHomeAsUpEnabled(true);
        actionBar.setHomeButtonEnabled(true);

        // ActionBarDrawerToggle ties together the the proper interactions
        // between the navigation drawer and the action bar app icon.
        mDrawerToggle = new ActionBarDrawerToggle(getActivity(), /* host Activity */
        mDrawerLayout, /* DrawerLayout object */
        R.drawable.ic_drawer, /* nav drawer image to replace 'Up' caret */
        R.string.navigation_drawer_open,
        R.string.navigation_drawer_close){
            @Override
            public void onDrawerClosed(View drawerView) {
                super.onDrawerClosed(drawerView);
                if (!isAdded()) {
                    return;
                }
                getActivity().invalidateOptionsMenu(); // calls OnPrepareMenu
            }

            @Override
            public void onDrawerOpened(View drawerView) {
                super.onDrawerOpened(drawerView);
                if (!isAdded()) {
                    return;
                }

                if (!mUserLearnedDrawer) {
                    mUserLearnedDrawer = true;
                    SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());
                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();
                }
                getActivity().invalidateOptionsMenu(); // calls
                                                        // onPrepareOptionsMenu()
            }
        };
        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {
            mDrawerLayout.openDrawer(mFragmentContainerView);
        }

        // Defer code dependent on restoration of previous instance state.
        mDrawerLayout.post(new Runnable() {
            @Override
            public void run() {
                mDrawerToggle.syncState();
            }
        });

        mDrawerLayout.setDrawerListener(mDrawerToggle);
    }

    private void selectItem(int position) {
        mCurrentSelectedPosition = position;
        if (mDrawerListView != null) {
            mDrawerListView.setItemChecked(position, true);
        }
        if (mDrawerLayout != null) {
            mDrawerLayout.closeDrawer(mFragmentContainerView);
        }
        if (mCallbacks != null) {
            mCallbacks.onNavigationDrawerItemSelected(position);
        }
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mCallbacks = (NavigationDrawerCallbacks) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(
                    "Activity must implement NavigationDrawerCallbacks.");
        }
    }

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

    @Override
    public void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        // Forward the new configuration the drawer toggle component.
        mDrawerToggle.onConfigurationChanged(newConfig);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        if (mDrawerLayout != null && isDrawerOpen()) {
            inflater.inflate(R.menu.global, menu);
            showGlobalContextActionBar();
        }
        super.onCreateOptionsMenu(menu, inflater);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        if (mDrawerToggle.onOptionsItemSelected(item)) {
            return true;
        }

        if (item.getItemId() == R.id.novo_produto) {
            CadastraNovoProduto();
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    private void CadastraNovoProduto() {
        LayoutInflater inflater = (LayoutInflater)getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        final View rootView = inflater.inflate(R.layout.novoproduto, null);
        new AlertDialog.Builder(getActivity())
            .setTitle("Novo Produto")
            .setIcon(R.drawable.newitem)
            .setView(rootView)
            .setNegativeButton("Cancelar", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    dialog.cancel();                    
                }
            })
            .setPositiveButton("Cadastrar", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialog, int which) {
                    TextView n = (TextView) rootView.findViewById(R.id.editNome);
                    TextView p = (TextView) rootView.findViewById(R.id.editPreco);
                    TextView d = (TextView) rootView.findViewById(R.id.editDetalhes);

                    String nome = n.getText().toString();
                    String preco = p.getText().toString();
                    String desc = d.getText().toString(); 
                    Log.i("VARS","Nome: "+nome+" Preco: "+preco+"");
                    BancoDeDados.save(getActivity(), new Produto(0, nome, 0, preco, desc));                 
                }
            })
            .create().show();       
    }

    private void showGlobalContextActionBar() {
        ActionBar actionBar = getActionBar();
        actionBar.setDisplayShowTitleEnabled(true);
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
        actionBar.setTitle(R.string.app_name);
    }

    private ActionBar getActionBar() {
        return getActivity().getActionBar();
    }


    public static interface NavigationDrawerCallbacks { 
        void onNavigationDrawerItemSelected(int position);
    }
}