Android 搜索\从列表查看\从列表查看数据库搜索名称

你好，朋友，我有一个带有自定义适配器的列表视图，它工作正常。现在我想在列表视图中添加搜索视图以搜索名称。有人帮我解决问题吗？提前谢谢

public class FoodDbHelper extends SQLiteOpenHelper {
    private static final String DATABASE_NAME = "MY_Calorie_DISH.DB";
    private static final int DATABASE_VERSION = 1;
    private static final String CREATE_QUERY =
            "CREATE TABLE "+ Food.NewDishInfo.TABLE_NAME+"("
                    + Food.NewDishInfo.DISH_NAME+" TEXT NOT NULL,"
                    + Food.NewDishInfo.DISH_QUANTITY+" TEXT NOT NULL,"
                    + Food.NewDishInfo.DISH_CALORIE+" INTEGER NOT NULL,"
                    + Food.NewDishInfo.DISH_FAT+" TEXT NOT NULL,"
                    + Food.NewDishInfo.DISH_PROTEIN+" TEXT NOT NULL,"
                    + Food.NewDishInfo.DISH_SUGAR+" TEXT NOT NULL,"
                    + Food.NewDishInfo.DISH_VITAMINS+" TEXT NOT NULL);";
    public FoodDbHelper(Context context)
    {
        super(context,DATABASE_NAME,null,DATABASE_VERSION);
        Log.e("DATABASE OPERATION","Database created / opened...");
    }
    @Override
    public void onCreate(SQLiteDatabase db) {
        db.execSQL(CREATE_QUERY);
        Log.e("DATABASE OPERATION","Table created...");


    }
    public void addInformations(String name ,String quantity, Integer calorie, String fat ,
                                String protein,String sugar,String vitamins, SQLiteDatabase db){


        ContentValues contentValues = new ContentValues();
        contentValues.put(Food.NewDishInfo.DISH_NAME,name);
        contentValues.put(Food.NewDishInfo.DISH_QUANTITY,quantity);
        contentValues.put(Food.NewDishInfo.DISH_CALORIE,calorie);
        contentValues.put(Food.NewDishInfo.DISH_FAT,fat);
        contentValues.put(Food.NewDishInfo.DISH_PROTEIN,protein);
        contentValues.put(Food.NewDishInfo.DISH_SUGAR,sugar);
        contentValues.put(Food.NewDishInfo.DISH_VITAMINS,vitamins);
        db.insert(Food.NewDishInfo.TABLE_NAME, null, contentValues);
        Log.e("DATABASE OPERATION","one row inserted...");
    }
    public Cursor getInformations(SQLiteDatabase db){
        Cursor cursor;
        String[] projections = {Food.NewDishInfo.DISH_NAME,Food.NewDishInfo.DISH_QUANTITY,
                Food.NewDishInfo.DISH_CALORIE,Food.NewDishInfo.DISH_FAT,Food.NewDishInfo.DISH_PROTEIN,
                Food.NewDishInfo.DISH_SUGAR, Food.NewDishInfo.DISH_VITAMINS};
        cursor= db.query(Food.NewDishInfo.TABLE_NAME,projections,null,null,null,null,null);
        return cursor;
    }

    public Cursor getFood(String dish_name,SQLiteDatabase sqLiteDatabase)
    {
        String[] projections = { Food.NewDishInfo.DISH_QUANTITY, Food.NewDishInfo.DISH_CALORIE, Food.NewDishInfo.DISH_FAT,
                Food.NewDishInfo.DISH_PROTEIN, Food.NewDishInfo.DISH_SUGAR, Food.NewDishInfo.DISH_VITAMINS};
        String selection = Food.NewDishInfo.DISH_NAME+" LIKE ?";
        String[] selection_args = {dish_name};
        Cursor cursor = sqLiteDatabase.query(Food.NewDishInfo.TABLE_NAME,projections,selection,selection_args,null,null,null);

        return cursor;

    }

  //  this is my data list activity code

公共类DataListActivity扩展活动{

ListView listView;
SQLiteDatabase sqLiteDatabase;
FoodDbHelper foodDbHelper;
Cursor cursor;
ListDataAdapter listDataAdapter;

ListDataAdapter dataAdapter = null;
Button button;
DataProvider dataProvider;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);

    setContentView(R.layout.data_list_layout);

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

    listDataAdapter = new ListDataAdapter(getApplicationContext(),
            R.layout.row_layout) {

        @Override
        protected void showCheckedButton(int position, boolean value) {
            // TODO Auto-generated method stub

            DataProvider item = (DataProvider) listDataAdapter
                    .getItem(position);
            Log.i("", "");

            item.setSelected(value);

            Button myButton = (Button) findViewById(R.id.findSelected);
            myButton.setOnClickListener(new View.OnClickListener() {

                @Override
                public void onClick(View v) {

                    StringBuffer responseText = new StringBuffer();
                    responseText
                           .append("The following dishes were selected...\n");

                    ArrayList<DataProvider> list = listDataAdapter
                            .getSelectedIndexes();

                    int sum = 0;
                    for (int i = 0; i < list.size(); i++) {
                        DataProvider dataProvider = list.get(i);

                        sum = sum + dataProvider.getCalorie();

                        responseText.append("\n" + dataProvider.getName()
                                + " : " + dataProvider.getCalorie()
                                + " kcal"
                                );

                    }

                    Toast.makeText(getApplicationContext(), ""+responseText+"\n"+"................................."
                                   +"\n"+"Total Calories Is : " +sum,
                            Toast.LENGTH_LONG).show();

                }
            });

        }

    };
    listView.setAdapter(listDataAdapter);
    foodDbHelper = new FoodDbHelper(getApplicationContext());
    sqLiteDatabase = foodDbHelper.getReadableDatabase();
    cursor = foodDbHelper.getInformations(sqLiteDatabase);
    if (cursor.moveToFirst()) {
        do {
            String name, quantity, fat, protein, sugar, vitamins;
            boolean selected = false;
            String names = null;
            Integer calorie;

            name = cursor.getString(0);
            quantity = cursor.getString(1);
            calorie = Integer.valueOf(cursor.getString(2));
            fat = cursor.getString(3);
            protein = cursor.getString(4);
            sugar = cursor.getString(5);
            vitamins = cursor.getString(6);

            DataProvider dataProvider = new DataProvider(name, quantity,
                    calorie, fat, protein, sugar, vitamins, names, selected);

            listDataAdapter.add(dataProvider);

        } while (cursor.moveToNext());
    }

    listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view,
                                int position, long id) {

            String name = (String) ((TextView) view
                    .findViewById(R.id.text_dish_name)).getText();
            String quantity = (String) ((TextView) view
                    .findViewById(R.id.text_dish_quantity)).getText();
            String calorie = (String) ((TextView) view
                    .findViewById(R.id.text_dish_calorie)).getText();
            String fat = (String) ((TextView) view
                    .findViewById(R.id.text_dish_fat)).getText();
            String protein = (String) ((TextView) view
                    .findViewById(R.id.text_dish_protein)).getText();
            String sugar = (String) ((TextView) view
                    .findViewById(R.id.text_dish_sugar)).getText();
            String vitamins = (String) ((TextView) view
                    .findViewById(R.id.text_dish_vitamins)).getText();

            String.valueOf(parent.getItemAtPosition(position));

            Toast.makeText(getApplicationContext(),
                    "dish name is : " + name, Toast.LENGTH_SHORT).show();

            Intent intent = new Intent(getApplicationContext(),
                    Detail.class);
            intent.putExtra("Dish name", name);
            intent.putExtra("Dish quantity", quantity);
            intent.putExtra("Dish calorie", calorie);
            intent.putExtra("Dish fat", fat);
            intent.putExtra("Dish protein", protein);
            intent.putExtra("Dish sugar", sugar);

            intent.putExtra("Dish vitamins", vitamins);

            startActivity(intent);

        }

    });
}

public void gobackk(View view) {
    Intent intent = new Intent(this, MainMenu.class);
    startActivity(intent);
}

ListView-ListView；
SQLiteDatabase SQLiteDatabase；
FoodDbHelper FoodDbHelper；
光标；
ListDataAdapter ListDataAdapter；
ListDataAdapter-dataAdapter=null；
按钮；
数据提供者数据提供者；
@凌驾
创建时受保护的void（Bundle savedInstanceState）{
super.onCreate（savedInstanceState）；
requestWindowFeature（窗口。功能\u无\u标题）；
setContentView（R.layout.data\u list\u layout）；
listView=（listView）findViewById（R.id.list\u视图）；
listDataAdapter=新的listDataAdapter（getApplicationContext（），
右布局。行（右布局）{
@凌驾
受保护的void showCheckedButton（整数位置，布尔值）{
//TODO自动生成的方法存根
DataProvider项=（DataProvider）listDataAdapter
.getItem（职位）；
Log.i（“，”）；
项目.所选项目（价值）；
按钮myButton=（按钮）findViewById（R.id.findSelected）；
myButton.setOnClickListener（新视图.OnClickListener（）{
@凌驾
公共void onClick（视图v）{
StringBuffer responseText=新的StringBuffer（）；
响应文本
.append（“选择了以下菜肴…\n”）；
ArrayList list=listDataAdapter
.getSelectedIndex（）；
整数和=0；
对于（int i=0；i

}

//这是我的适配器代码
公共抽象类ListDataAdapter扩展了ArrayAdapter{
列表=新的ArrayList（）；
布尔索引[]；
公共ListDataAdapter（上下文，int资源）{
超级（上下文、资源）；
索引=新布尔值[list.size（）]；
}
静态类layouthHandler{
TextView名称、数量、卡路里、脂肪、蛋白质、糖、维生素；
复选框名称；
}
@凌驾
公共无效添加（对象）{
super.add（object）；
列表。添加（对象）；
索引=新布尔值[list.size（）]；
}
@凌驾
public int getCount（）{
返回list.size（）；
}
@结束
   //this is my adapter code
    public abstract class ListDataAdapter extends ArrayAdapter {

    List list = new ArrayList();
    boolean index[];

    public ListDataAdapter(Context context, int resource) {

        super(context, resource);
        index = new boolean[list.size()];

    }

    static class LayoutHandler {
        TextView name, quantity, calorie, fat, protein, sugar, vitamins;
        CheckBox names;

    }

    @Override
    public void add(Object object) {

        super.add(object);
        list.add(object);
        index = new boolean[list.size()];

    }

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

    }

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

    }

    @Override
    public View getView(final 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.row_layout, parent, false);
            layoutHandler = new LayoutHandler();
            layoutHandler.name = (TextView) row
                    .findViewById(R.id.text_dish_name);
            layoutHandler.quantity = (TextView) row
                    .findViewById(R.id.text_dish_quantity);
            layoutHandler.calorie = (TextView) row
                    .findViewById(R.id.text_dish_calorie);
            layoutHandler.fat = (TextView) row.findViewById(R.id.text_dish_fat);
            layoutHandler.protein = (TextView) row
                    .findViewById(R.id.text_dish_protein);
            layoutHandler.sugar = (TextView) row
                    .findViewById(R.id.text_dish_sugar);
            layoutHandler.vitamins = (TextView) row
                    .findViewById(R.id.text_dish_vitamins);
            layoutHandler.names = (CheckBox) row.findViewById(R.id.checkBox1);

            row.setTag(layoutHandler);

        } else {
            layoutHandler = (LayoutHandler) row.getTag();

        }
        DataProvider dataProvider = (DataProvider) this.getItem(position);
        layoutHandler.name.setText(dataProvider.getName());
        layoutHandler.quantity.setText(dataProvider.getQuantity());
        layoutHandler.calorie
                .setText(String.valueOf(dataProvider.getCalorie()));
        layoutHandler.fat.setText(dataProvider.getFat());
        layoutHandler.protein.setText(dataProvider.getProtein());
        layoutHandler.sugar.setText(dataProvider.getSugar());
        layoutHandler.vitamins.setText(dataProvider.getVitamins());

        //layoutHandler.names.setChecked(dataProvider.isSelected());
        layoutHandler.names.setTag(position);
        layoutHandler.names.setChecked(index[position]);
        layoutHandler.names
                .setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {

                    @Override
                    public void onCheckedChanged(CompoundButton buttonView,
                                                 boolean isChecked) {
                        // TODO Auto-generated method stub
                        int pos = (Integer) buttonView.getTag();
                        index[pos] = isChecked;
                        showCheckedButton(position, isChecked);

                    }
                });


        return row;
    }

    public ArrayList<DataProvider> getSelectedIndexes() {
        int size = list.size();
        ArrayList<DataProvider> selectedItems = new ArrayList<DataProvider>();
        for (int i = 0; i < size; i++) {
            DataProvider cItem = (DataProvider) list.get(i);
            if (index[i]) {
                selectedItems.add(cItem);
            }
        }

        return selectedItems;

    }

    protected abstract void showCheckedButton(int position, boolean value);

}