Question

我通过调用名为getAllDishes()的函数将数据提取到列表适配器中。现在，当我点击特定项目时，我想在列表中添加OnItemClickListener()，它会打开另一个活动并传递所选项目的ID。我是android的新手。欢迎提出所有建议。

主要活动

public class MainActivity extends ListActivity   {

 private DishOperation dishDBoperation;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        Button   btListe;

        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        dishDBoperation = new DishOperation(this);
        dishDBoperation.open();

        List values = dishDBoperation.getAllDishes();


        final ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, values);
        setListAdapter(adapter);

//This is what i tried
 OnItemClickListener listener = new OnItemClickListener() {
  @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                Intent intent = new Intent(MainActivity.this, Result.class);

                startActivity(intent);
                finish();
            }
         }

Answer 1

试试这种方法，你可以使用这个

    ListView listView = getListView();

    listView.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view,
                int position, long id) {
            // Do your Staff Here 

          Intent intent = new Intent(MainActivity.this, Result.class);
          startActivity(intent);
        }
    });

或

您可以使用

getListView().setOnItemClickListener(listener);

setListAdapter(adapter);

之后

Answer 2

将ItemClickListener设置为列表视图：

listview.setOnItemClickListener(listener);

Answer 3

在您的情况下，请添加以下行：getListView().setOnItemClickListener(listener);

像这样：

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

                Intent intent = new Intent(MainActivity.this, Result.class);

                startActivity(intent);
                finish();
            }
         }
getListView().setOnItemClickListener(listener);

Answer 4

您需要实际设置点击监听器ListView。在onCreate中，在致电setAdapter(adapter)后，请致电getListView().setOnItemClickListener(listener);

OnItemClickListener（）不使用List Adapter

4 个答案: