How To Load Datas to CustomListview ArrayAdpater from SQlite

i want to display my second Column name based on the selection of First Column name from Sqlite...i load my First column in listview and when i click my first column name in listview the second colum name was Not Display it just show an empty Activity on Listview based on the selection of First Column

Sublist_item.xml

<TextView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:textAppearance="?android:attr/textAppearanceLarge"
    android:text="Large Text"
    android:id="@+id/textView2"
    android:layout_gravity="center_horizontal"
    android:textColor="#000000"
    />Subcategory_layout<ListView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/listView2"
    ></ListView>


Subcategory:

public class Subcategory extends ActionBarActivity {

ListView listView;
String title;
SqlLiteDbHelper dbHelper;
FoodSupply foodSupply;
SQLiteDatabase sqLiteDatabase;
Cursor cursor;
SubcategoryAdapter adapter;

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

    listView= (ListView) findViewById(R.id.listView2);

    Intent i = getIntent();
    title = i.getStringExtra("title");
    dbHelper = new SqlLiteDbHelper(this);
    try {
        dbHelper.openDataBase();
    } catch (SQLException e) {
        e.printStackTrace();
    }
    sqLiteDatabase=dbHelper.getReadableDatabase();
    cursor=dbHelper.getsubcategory(sqLiteDatabase);
    adapter= new SubcategoryAdapter(getApplicationContext(),R.layout.sublist_item);
    listView.setAdapter(adapter);
    if (cursor.moveToFirst())
    {
        do {
            String subcategory;
            subcategory=cursor.getString(0);
            foodSupply= new FoodSupply(subcategory);
            adapter.add(foodSupply);

        }while (cursor.moveToNext());
    }
}

SubcategoryAdapter:

public class SubcategoryAdapter extends ArrayAdapter { List list= new ArrayList();

public SubcategoryAdapter(Context context, int resource) {
    super(context, resource);
}
@Override
public void add(Object object) {
    super.add(object);
    list.add(object);
}
static class LayoutHandler
{
    TextView SUBCATEGORY;
}

@Override
public int getCount() {
    return list.size();
}

@Override
public Object getItem(int position) {
    return list.get(position);
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {

    View row=convertView;
    LayoutHandler layoutHandler;
    if (row==null)
    {
        LayoutInflater layoutInflater= (LayoutInflater) this.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        row=layoutInflater.inflate(R.layout.sublist_item,parent,false);
        layoutHandler= new LayoutHandler();
        layoutHandler.SUBCATEGORY=(TextView)row.findViewById(R.id.textView2);
        row.setTag(layoutHandler);
    }else {
        layoutHandler= (LayoutHandler) row.getTag();
    }
    FoodSupply foodSupply= (FoodSupply) this.getItem(position);
    layoutHandler.SUBCATEGORY.setText(foodSupply.getSubcategory());
    return row;
}

} public class MainActivity extends ActionBarActivity {

ListView listView;
SqlLiteDbHelper dbHelper;
FoodSupply foodSupply;
SQLiteDatabase sqLiteDatabase;
Cursor cursor;
TitleAdapter adapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    listView= (ListView) findViewById(R.id.listView);
    dbHelper = new SqlLiteDbHelper(this);
    try {
        dbHelper.openDataBase();
    } catch (SQLException e) {
        e.printStackTrace();
    }
    //foodSupply= new FoodSupply();
    sqLiteDatabase=dbHelper.getReadableDatabase();
    cursor=dbHelper.gettitles(sqLiteDatabase,title);
   adapter= new TitleAdapter(getApplicationContext(),R.layout.list_item);
   listView.setAdapter(adapter);
 if (cursor.moveToFirst())
   {
       do {
           String title;
           title=cursor.getString(0);
          foodSupply= new FoodSupply(title);
           adapter.add(foodSupply);

       }while (cursor.moveToNext());
  }
   listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
       @Override
       public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
           Intent intent = new Intent(MainActivity.this,Subcategory.class);
           String title = ((TextView) view.findViewById(R.id.title)).getText().toString();
           intent.putExtra("title", title);
            startActivity(intent);
       }
   });

}

Database Class public class SqlLiteDbHelper extends SQLiteOpenHelper{

// Database Version
private static final int DATABASE_VERSION = 1;

// Database Name
private static final String DATABASE_NAME = "Food.sqlite";
private static final String DB_PATH_SUFFIX = "/databases/";
static Context ctx;
public static final String KEY_TITLE="Title";


public SqlLiteDbHelper(Context context) {

    super(context, DATABASE_NAME, null, DATABASE_VERSION);
    ctx = context;
}
public void CopyDataBaseFromAsset() throws IOException {

    InputStream myInput = ctx.getAssets().open(DATABASE_NAME);

    // Path to the just created empty db
    String outFileName = getDatabasePath();

    // if the path doesn't exist first, create it
    File f = new File(ctx.getApplicationInfo().dataDir + DB_PATH_SUFFIX);
    if (!f.exists())
        f.mkdir();

    // Open the empty db as the output stream
    OutputStream myOutput = new FileOutputStream(outFileName);


    // transfer bytes from the inputfile to the outputfile
    byte[] buffer = new byte[1024];
    int length;
    while ((length = myInput.read(buffer)) > 0) {
        myOutput.write(buffer, 0, length);

    }
    // Close the streams

    myOutput.flush();
    myOutput.close();
    myInput.close();

}

private static String getDatabasePath() {

    return ctx.getApplicationInfo().dataDir + DB_PATH_SUFFIX + DATABASE_NAME;

}

public SQLiteDatabase openDataBase() throws SQLException {

    File dbFile = ctx.getDatabasePath(DATABASE_NAME);
    if (!dbFile.exists()) {
        try {
            CopyDataBaseFromAsset();

            System.out.println("Copying sucess from Assets folder");

        } catch (IOException e) {

            throw new RuntimeException("Error creating source database", e);

        }

    }
    return SQLiteDatabase.openDatabase(dbFile.getPath(), null, SQLiteDatabase.NO_LOCALIZED_COLLATORS | SQLiteDatabase.CREATE_IF_NECESSARY);

}

@Override
public void onCreate(SQLiteDatabase db) {

}

@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

}
public Cursor gettitles(SQLiteDatabase db)
{
    db = this.getReadableDatabase();

    Cursor cursor;
    //cursor=db.rawQuery("SELECT Title FROM food_details",null);
    cursor = db.query(true, "food_details", new String[]{"Title"}, null, null, null, null, null, null);
    return cursor;
}
public Cursor getsubcategory(SQLiteDatabase db,String mealname)
{
    db = this.getReadableDatabase();

    Cursor cursor;
    cursor = db.query("food_details", new String[]{"subcategory"},KEY_TITLE + "=" + mealname, null, null, null, null);
    return cursor;
}enter code here