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HarmonyOS开发——我的通讯录_鸿蒙 联系人管理

作者：Gausst松鼠会 | 2024-03-25 09:55:48

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鸿蒙 联系人管理

概述：

        本次项目是我这个学期鸿蒙应用开发的结课作业。是根据平时所学内容以及自己手机上面的通讯录做出来的demo。

开发工具：

        DevEco Studio

APP图标如下：

功能介绍：

        1. 具有显示联系人列表、添加联系人信息、删除联系人、修改联系人信息等功能；

        2.储存联系人信息时并未使用数据库，而是通过使用配置文件写入输入的数据，并进行读取或修改；

        3.还具有修改底部状态栏配色的功能。

实现功能的说明：

        1.在编辑时，只有输入姓名，才会出现确认按钮：实现这一操作，只需要检查姓名输入框中的内容是否为空，如果是空，则将该组件隐藏，如果不是空则将该组件设置为可见。

        2.实现底部配色主题得切换：将底部得配色归纳成四种Rgb配色，统一得存放在BottomBarColor.java文件中，使其保持static/final，并且编写相应得static函数操作。当用户选择了某个主题配色并点击“应用”按钮后，会调用设置相应得颜色，即可达到切换配色得目的。

项目文件结构图：

主要程序代码：

ability_main.xml：

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <DirectionalLayout
  3.     xmlns:ohos="http://schemas.huawei.com/res/ohos"
  4.     ohos:id="$+id:main_rootdl"
  5.     ohos:height="match_parent"
  6.     ohos:width="match_parent"
  7.  
  8.     ohos:orientation="vertical"
  9.     ohos:alignment="horizontal_center"
  10.  
  11.     ohos:background_element="$graphic:background_ability_main">
  12.     <DirectionalLayout
  13.         ohos:id="$+id:main_rootdl_ddl1"
  14.         ohos:height="0"
  15.         ohos:weight="0.6"
  16.         ohos:width="match_parent"
  17.  
  18.  
  19.         ohos:orientation="vertical"
  20.         ohos:alignment="horizontal_center">
  21.     </DirectionalLayout>
  22.  
  23.     <DirectionalLayout
  24.         ohos:id="$+id:main_rootdl_ddl2"
  25.         ohos:height="0"
  26.         ohos:weight="8.8"
  27.         ohos:width="match_parent"
  28.  
  29.         ohos:top_margin="5vp"
  30.  
  31.         ohos:background_element="$graphic:background_ddl2">
  32.     </DirectionalLayout>
  33.  
  34.     <DirectionalLayout
  35.         ohos:id="$+id:main_rootdl_ddl3"
  36.         ohos:height="0"
  37.         ohos:weight="0.6"
  38.         ohos:width="match_parent"
  39.  
  40.         ohos:top_margin="5vp"
  41.         ohos:bottom_margin="5vp"
  42.         ohos:left_margin="45vp"
  43.         ohos:right_margin="45vp"
  44.  
  45.         ohos:orientation="horizontal"
  46.         ohos:alignment="vertical_center"
  47.  
  48.         ohos:background_element="$graphic:background_ddl3">
  49.         <Button
  50.             ohos:id="$+id:ddl3_butpeople"
  51.             ohos:height="match_parent"
  52.             ohos:width="0"
  53.             ohos:weight="1"
  54.  
  55.             ohos:margin="3vp"
  56.  
  57.             ohos:text="$string:people"
  58.             ohos:text_alignment="center"
  59.             ohos:text_size="25vp"
  60.             ohos:text_color="#FFB35353"
  61.  
  62.             ohos:background_element="$graphic:background_bottombutton">
  63.         </Button>
  64.         <Button
  65.             ohos:id="$+id:ddl3_butedit"
  66.             ohos:height="match_parent"
  67.             ohos:width="0"
  68.             ohos:weight="1"
  69.  
  70.             ohos:margin="3vp"
  71.  
  72.             ohos:text="$string:edit"
  73.             ohos:text_alignment="center"
  74.             ohos:text_size="25vp"
  75.             ohos:text_color="#FF1086CA"
  76.  
  77.             ohos:background_element="$graphic:background_bottombutton">
  78.         </Button>
  79.         <Button
  80.             ohos:id="$+id:ddl3_butconfig"
  81.             ohos:height="match_parent"
  82.             ohos:width="0"
  83.             ohos:weight="1"
  84.  
  85.             ohos:margin="3vp"
  86.  
  87.             ohos:text="$string:config"
  88.             ohos:text_alignment="center"
  89.             ohos:text_size="25vp"
  90.             ohos:text_color="#FF79086A"
  91.  
  92.             ohos:background_element="$graphic:background_bottombutton">
  93.         </Button>
  94.     </DirectionalLayout>
  95. </DirectionalLayout>

 ability_edit.xml：

  1. <?xml version="1.0" encoding="utf-8"?>
  2. <DirectionalLayout
  3.     xmlns:ohos="http://schemas.huawei.com/res/ohos"
  4.     ohos:id="$+id:edit_area_rootdl"
  5.     ohos:height="match_parent"
  6.     ohos:width="match_parent"
  7.  
  8.     ohos:orientation="vertical"
  9.     ohos:alignment="horizontal_center">
  10.     <DirectionalLayout
  11.         ohos:id="$+id:edit_name_dlyt"
  12.         ohos:height="60vp"
  13.         ohos:width="match_parent"
  14.  
  15.         ohos:margin="10vp"
  16.  
  17.         ohos:orientation="horizontal"
  18.         ohos:alignment="vertical_center">
  19.         <Text
  20.             ohos:id="$+id:edit_nametext"
  21.             ohos:height="match_parent"
  22.             ohos:width="0"
  23.             ohos:weight="3"
  24.  
  25.  
  26.             ohos:text="待输入"
  27.             ohos:text_alignment="center"
  28.  
  29.             ohos:multiple_lines="true"
  30.             ohos:auto_font_size="true"
  31.             ohos:text_color="#FF6D37D2"
  32.  
  33.             ohos:background_element="$graphic:background_edit_addnametext">
  34.         </Text>
  35.         <TextField
  36.             ohos:id="$+id:edit_nametfd"
  37.             ohos:height="match_parent"
  38.             ohos:width="0"
  39.             ohos:weight="7"
  40.  
  41.  
  42.             ohos:hint="姓名"
  43.             ohos:text_alignment="center"
  44.             ohos:text_size="20vp"
  45.             ohos:hint_color="gray"
  46.  
  47.             ohos:background_element="$graphic:background_edit_addtfd">
  48.         </TextField>
  49.     </DirectionalLayout>
  50.     <DirectionalLayout
  51.         ohos:id="$+id:edit_tel_dlyt"
  52.         ohos:height="40vp"
  53.         ohos:width="match_parent"
  54.  
  55.         ohos:margin="5vp"
  56.  
  57.         ohos:orientation="horizontal"
  58.         ohos:alignment="vertical_center">
  59.         <Button
  60.             ohos:id="$+id:edit_addtel_but"
  61.             ohos:height="match_parent"
  62.             ohos:width="40vp"
  63.  
  64.  
  65.             ohos:text="+"
  66.             ohos:text_alignment="center"
  67.             ohos:text_size="20vp"
  68.             ohos:text_color="green"
  69.  
  70.             ohos:background_element="$graphic:background_edit_addbutton">
  71.         </Button>
  72.         <TextField
  73.             ohos:id="$+id:edit_teltfd"
  74.             ohos:height="match_parent"
  75.             ohos:width="match_parent"
  76.  
  77.  
  78.             ohos:hint="电话"
  79.             ohos:text_alignment="center"
  80.             ohos:text_size="20vp"
  81.             ohos:hint_color="gray"
  82.  
  83.             ohos:background_element="$graphic:background_edit_addtfd">
  84.         </TextField>
  85.     </DirectionalLayout>
  86.     <DirectionalLayout
  87.         ohos:id="$+id:edit_email_dlyt"
  88.         ohos:height="40vp"
  89.         ohos:width="match_parent"
  90.  
  91.         ohos:margin="5vp"
  92.  
  93.         ohos:orientation="horizontal"
  94.         ohos:alignment="vertical_center">
  95.         <Button
  96.             ohos:id="$+id:edit_addemail_but"
  97.             ohos:height="match_parent"
  98.             ohos:width="40vp"
  99.  
  100.  
  101.             ohos:text="+"
  102.             ohos:text_alignment="center"
  103.             ohos:text_size="20vp"
  104.             ohos:text_color="green"
  105.  
  106.             ohos:background_element="$graphic:background_edit_addbutton">
  107.         </Button>
  108.         <TextField
  109.             ohos:id="$+id:edit_emailtfd"
  110.             ohos:height="match_parent"
  111.             ohos:width="match_parent"
  112.  
  113.  
  114.             ohos:hint="邮件"
  115.             ohos:text_alignment="center"
  116.             ohos:text_size="20vp"
  117.             ohos:hint_color="gray"
  118.  
  119.             ohos:background_element="$graphic
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