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建立一个Activity名称BookListMainActivity放置ListView,id为list_view_books用ArrayAdpater和自定义的list item的布局实现如图效果,自定义的布局由一个LinearLayout内嵌一个ImageView(id:image_view_book_cover,width=height=200dp)和TextView(id:text_view_book_title;layout_gravity:center_vertical) 实现。实现数据对象的序列化。场景菜单:、首先给View注册上下文菜单registerForContextMenu()2、添加上下文菜单内容onCreateContextMenu()-可以通过代码动态添加;-可以加载xml文件中的菜单项3、设置菜单点击后响应时间onContextItemSelected()。在程序合适的地方添加数据保存和读取的功能,实现数据的持久化
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