Android-onItemClick将正确的值传递给intent

Question

如何从GridView中获得要传递给我的意图的正确值。看来我做这件事的方式不对。我是这么做的：

在我的主要活动中：

CategoryRowItem category;
.
.  
.
//after parsing from json
 category = new CategoryRowItem(catId, catName);
 categoryItems.add(category);
 gridView = (GridView) findViewById(R.id.grid_view);
 final CustomBaseAdapter adapter = new CustomBaseAdapter(this, categoryItems);
 gridView.setAdapter(adapter);
 gridView.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view, int position, long id){
            String categoryId = category.getCatId(); // i think this not right
            String categoryName = category.getCatName();
            System.out.println("CAT ID: " +categoryId);
            Intent intent = new Intent(getApplicationContext(), ShopListActivity.class);
            intent.putExtra("catID", categoryId);
            intent.putExtra(CATEGORY, categoryName);
            startActivity(intent);
        }
    });

我的CategoryRowItem类：这有getter和setter

    public String getCatId(){
    return catId;
}
public String getCatName(){
    return catName;
}
    public void setCatId(String cId){
    this.catId = cId;
}
public void setCatName(String name){
    this.catName = name;
}

那么，我如何才能获得正确的值，如catID，或点击>

Answer 1

position会告诉您列表中的哪个项目被点击/选中，使用它您可以获得CategoryRowItem及其详细信息。

CategoryRowItem category = categoryItems.get(position); // Add this line here.
String categoryId = category.getCatId(); // Now this will be right.
String categoryName = category.getCatName();

Answer 2

gridView.setOnItemClickListener(new OnItemClickListener() {
    public void onItemClick(AdapterView<?> parent, View view, int position, long id){
        String categoryId = categoryItems.get(position).getCatId(); // i think this not right
        String categoryName = categoryItems.get(position).getCatName();
        System.out.println("CAT ID: " +categoryId);
        Intent intent = new Intent(getApplicationContext(), ShopListActivity.class);
        intent.putExtra("catID", categoryId);
        intent.putExtra(CATEGORY, categoryName);
        startActivity(intent);
    }
});

将此代码替换为网格侦听器