Android MenuItem 自定义布局 [英] Android MenuItem Custom Layout

问题描述

我有一个 PopupMenu，当我点击操作栏.我希望我的 PopupMenu 中的 MenuItem 具有如下自定义布局:

I have a PopupMenu that appears when I click on an action button in a actionbar. I would like the MenuItem, in my PopupMenu, with a custom layout like this:

布局/menu_item_layout.xml

layout/menu_item_layout.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/menuItemLayout"

    android:orientation="horizontal" >

    <ImageView
        android:id="@+id/imageViewMenuItem"
        android:layout_width="20dip"
        android:layout_height="20dip"
        android:src="@drawable/abc_list_focused_holo" />

    <TextView
        android:id="@+id/textViewMenuItem"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="TextViewMenuItem" />

</LinearLayout>

这是PopUpMenu的xml:

This is the xml of PopUpMenu:

menu/pop_menu.xml

menu/pop_menu.xml

<menu xmlns:android="http://schemas.android.com/apk/res/android"
       xmlns:tools="http://schemas.android.com/tools"
       tools:context="apparound.actiobarpopupstylefacebook.Main" >

    <item
        android:id="@+id/popupItem"
        android:showAsAction="ifRoom"/>
</menu>

在我的活动代码如下:

public void showPopup(int idR){
View menuItemView = findViewById(idR);
PopupMenu popup = new PopupMenu(this, menuItemView);
MenuInflater inflate = popup.getMenuInflater();
inflate.inflate(R.menu.pop_menu, popup.getMenu());
MenuItem menuItem= popup.getMenu().findItem(R.id.popupItem);
menuItem.setActionView(R.layout.menu_item_layout);
popup.show();
}

但是当出现弹出菜单时，项目是空的.我错了使用 setActionview() 方法?谢谢.

But when appear popupmenu, item is empty. I was wrong to use setActionview() method? Thanks.

推荐答案

对于不能使用菜单的自定义布局，一个替代选项是 PopupWindow

For custom layouts you can't use a menu, one alternate option is a PopupWindow

PopupWindow popupwindow_obj = popupDisplay();
popupwindow_obj.showAsDropDown(clickbtn, -40, 18); // where u want show on view click event popupwindow.showAsDropDown(view, x, y);

public PopupWindow popupDisplay() 
{ 

    final PopupWindow popupWindow = new PopupWindow(this);

    // inflate your layout or dynamically add view
    LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE); 

    View view = inflater.inflate(R.layout.mylayout, null);

    Button item = (Button) view.findViewById(R.id.button1);

    popupWindow.setFocusable(true);
    popupWindow.setWidth(WindowManager.LayoutParams.WRAP_CONTENT);
    popupWindow.setHeight(WindowManager.LayoutParams.WRAP_CONTENT);
    popupWindow.setContentView(view);

    return popupWindow;
}

在名为 my layout.xml 的 res/layout 文件夹中创建此 XML 文件

Create this XML file in the res/layout folder named my layout.xml

<LinearLayout
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:orientation="horizontal" >

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Window test" />
</LinearLayout>

这篇关于Android MenuItem 自定义布局的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！