Android 使 ListView 中的项目可选
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Make items within ListView selectable
提问by Boardy
I am working on an android application and I am trying to follow the guidelines for the Ice Cream Sandwich UI.
我正在开发一个 android 应用程序，我正在尝试遵循 Ice Cream Sandwich UI 的指南。
I have a ListActivity which contains a ListView and within the ListView I am have a TextView for each item within an ArrayAdapter. When I want to be able to do, is once the user long clicks on an item within the ListView and Context Activity Bar is shown and the item that was long clicked is now in a selected state. From there the user can then click on multiple items within the ListView making them all selected and then the user can press a button within the ActionBar to perform an action on all selected items within the ListView.
我有一个 ListActivity，它包含一个 ListView，在 ListView 中，我为 ArrayAdapter 中的每个项目都有一个 TextView。当我希望能够做到时，一旦用户长单击 ListView 中的一个项目并显示 Context Activity Bar，并且长按的项目现在处于选定状态。从那里，用户可以单击 ListView 中的多个项目，使它们全部被选中，然后用户可以按下 ActionBar 中的按钮对 ListView 中的所有选定项目执行操作。
I've got it triggering to show the context activity bar when the item is long clicked but I have no idea how I can make the item appear selected and allow the user to select/deselect the items within the ListView.
当长按项目时，我已经触发以显示上下文活动栏，但我不知道如何使项目显示为选中状态并允许用户选择/取消选择 ListView 中的项目。
Thanks for your help
谢谢你的帮助
回答by Jug6ernaut
Do as is described here.
按照此处的说明进行操作。
How to highlight selected item in ListView?
Basically you need to set the multiselect listener and then selection type. Do what you need from the actionmode callbacks
基本上你需要设置多选侦听器，然后选择类型。从 actionmode 回调中执行您需要的操作
