在社交媒体安卓应用中实现首页搜索特定博客和注销功能

原文:https://www . geesforgeks . org/implementing-search-for-a-specific-blog-on-home-page-and-登出-功能-in-social-media-Android-app/

这是“在安卓工作室构建社交媒体 App”教程的第 7 部分，我们将在本文中介绍以下功能:

  • We will search blogs on the homepage.
  • If there are few blogs in our application, it is easy to manually search blogs. But when we have 1000 blogs, searching a specific blog becomes a very complicated and time-consuming task.
  • That's why we want to implement this function, and use the provided title or description to search blog .
  • Similarly, we have implemented the logout function in this paper.

分步实施

第一步:在菜单文件夹中创建一个注销和搜索按钮

转到 app > res >菜单>右键单击>新建>菜单资源文件，并将文件命名为主 _ 菜单。下面是主菜单. xml 文件的代码。

XML

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">

    <item
        android:id="@+id/logout"
        android:title="Logout">
    </item>

    <item
        android:id="@+id/search"
        android:icon="@drawable/ic_search"
        android:title="Search"
        app:actionViewClass="android.widget.SearchView"
        app:showAsAction="always">
    </item>

</menu>

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