使用文本菜单有列表视图中的android [英] Using contextmenu with listview in android

问题描述

我开发一个Android application.I将有一个ListView和我已经设置时才会出现一个列表视图项是长期pressed.How我会收到来自选定的ListView项的项目（比如文本上下文菜单从列表视图的TextView）从文本菜单进行操作后选择这样我就可以处理它？ 下面是一些code：

I am developing an android application.I will have a listview and i have set a context menu to appear when a listview item is long-pressed.How do i get the item from the listview item selected(say text from a listview textview) after an action from the contextmenu is chosen so i can process it? Here is some code:

protected void onCreate(Bundle savedInstanceState) {
    -------
    lv1 = (ListView) findViewById(R.id.listings);

    registerForContextMenu(lv1);
    lv1.setOnItemClickListener(this);

}

而onCreateContextMenu：

And the onCreateContextMenu:

public void onCreateContextMenu(ContextMenu menu, View v,
        ContextMenuInfo menuInfo) {
    super.onCreateContextMenu(menu, v, menuInfo);
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.context_menu, menu);
}

@Override
public boolean onContextItemSelected(MenuItem item) {
    AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
            .getMenuInfo();
    switch (item.getItemId()) {
    case R.id.watch:
        String name = "";
        return true;
    case R.id.buy:
        return true;
    default:
        return super.onContextItemSelected(item);
    }
}

我想从一个TextView文本列表item.How做我做到这一点？的

推荐答案

您应该注册 LISTVIEW 的上下文菜单。

you should register the LISTVIEW for the context menu.

下面是源。

为的onCreate（）：

 registerForContextMenu(lv);

和中长按进入选择的项目：

And to access the selected item during long click:

@Override
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo) {
if (v.getId() == R.id.lv) {
    ListView lv = (ListView) v;
    AdapterView.AdapterContextMenuInfo acmi = (AdapterContextMenuInfo) menuInfo;
    YourObject obj = (YourObject) lv.getItemAtPosition(acmi.position);

    menu.add("One");
    menu.add("Two");
    menu.add("Three");
    menu.add(obj.name);
}
}

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