如何创建Android的动态上下文菜单?上下文、菜单、动态、Android

2023-09-07 13:10:16 作者:世界再无第二个我

@Override  
    public void onCreateContextMenu(ContextMenu menu, View v,ContextMenuInfo menuInfo) {  

        super.onCreateContextMenu(menu, v, menuInfo);  
        menu.setHeaderTitle("Selection Options");  
        menu.add(0, v.getId(), 0, "Remove");  
    }  

我想我的菜单说删除AAPL

I want my menu to say "Remove AAPL"

我想从我的阵列适配器得到字符串AAPL,但我不知道我怎样才能从这种方法访问我的数组适配器的索引。

I would get the string AAPL from my array adapter, but I am not sure how I can access my array adapters index from this method.

推荐答案

例如,如果您使用的是带有自定义对象的列表视图:

Example if you are using listviews with custom object:

@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);

    AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
    MyObject obj = (MyObject) myListView.getItemAtPosition(info.position);

    menu.setHeaderTitle("Selection Options");  
    menu.add(0, v.getId(), 0, "Remove " + obj.name); 
}