<?xml version="1.0" encoding="utf-8"?>
<
layout xmlns
:android="http
://schemas.
android.com/apk/res/
android"
xmlns
:app="http
://schemas.
android.com/apk/res-auto"
xmlns
:tools="http
://schemas.
android.com/tools">
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/ready_update"
android:layout_width="1200dp"
android:layout_height="wrap_content"
android:layout_marginLeft="360dp"
android:layout_marginTop="173dp"
android:background="#FFFFFF">
<!-- 标题 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/title"
android:layout_width="600dp"
android:layout_height="56dp"
android:layout_marginLeft="300dp"
android:layout_marginTop="40dp"
android:background="#FFFFFF"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/title_information"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:text="@string/map_data_update"
android:textColor="#000000"
android:textSize="36sp"
android:textStyle="bold"
app
:layout_constraintStart_toStartOf="@+id/title"
app
:layout_constraintTop_toTopOf="@+id/title" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 更新目的及内容 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/PurposeAndContent"
android:layout_width="900dp"
android:layout_height="wrap_content"
android:layout_marginLeft="80dp"
android:layout_marginTop="100.97dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/PurposeAndContent_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp"
android:text="@string/update_purpose"
android:textColor="#000000"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="@+id/PurposeAndContent"
app
:layout_constraintTop_toTopOf="@+id/PurposeAndContent" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 版本信息区域 - 使用正确的数据绑定语法 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/VersionAndTime"
android:layout_width="498dp"
android:layout_height="wrap_content"
android:layout_marginLeft="80dp"
android:layout_marginTop="190.97dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/versionandtime_info"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp"
android:textColor="#000000"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="@+id/VersionAndTime"
app
:layout_constraintTop_toTopOf="@+id/VersionAndTime"
tools
:text="@string/current_version" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 状态提示 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/statusPrompt"
android:layout_width="340dp"
android:layout_height="wrap_content"
android:layout_marginLeft="80dp"
android:layout_marginTop="320.97dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/statusPromptText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp"
android:text="@string/please_ensure_that_the_vehicle_is_in_the_following_condition"
android:textColor="#000000"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="@+id/statusPrompt"
app
:layout_constraintTop_toTopOf="@+id/statusPrompt" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 环境提示 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/Environmental"
android:layout_width="500dp"
android:layout_height="wrap_content"
android:layout_marginLeft="140dp"
android:layout_marginTop="369dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/EnvironmentalText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:padding="16dp"
android:text="@string/vehicle_status"
android:textColor="#000000"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="@+id/Environmental"
app
:layout_constraintTop_toTopOf="@+id/Environmental" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--立即更新-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/updateNow"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="300dp"
android:layout_marginTop="550dp"
android:background="#B87333"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--立即更新文言-->
<TextView
android:id="@+id/updateNowtext"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#B87333"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/immediate_Updating"
android:textColor="#FFFFFF"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="@+id/updateNow"
app
:layout_constraintTop_toTopOf="@+id/updateNow" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--取消-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/quxiao"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="620dp"
android:layout_marginTop="550dp"
android:background="#FFFF00"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--有数据可提示文言-->
<TextView
android:id="@+id/quxiaotext"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#818181"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/update_cancel_text"
android:textColor="#FFFFFF"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="@+id/quxiao"
app
:layout_constraintTop_toTopOf="@+id/quxiao" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--进度文言-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/updateing"
android:layout_width="1040dp"
android:layout_height="35dp"
android:layout_marginLeft="80dp"
android:layout_marginTop="397dp"
android:background="#FFFFFF"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--更新中文言-->
<TextView
android:id="@+id/updateingtext"
android:layout_width="1040dp"
android:layout_height="35dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#FFFFFF"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/updating_please_wait_a_moment"
android:textColor="#000000"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="@+id/updateing"
app
:layout_constraintTop_toTopOf="@+id/updateing" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--进度条容器-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/updateProgress"
android:layout_width="721.78dp"
android:layout_height="6dp"
android:layout_marginLeft="235dp"
android:layout_marginTop="368dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!-- 进度条 -->
<ProgressBar
android:id="@+id/progressBar"
style="?
android:attr/progressBarStyleHorizontal"
android:layout_width="match_parent"
android:layout_height="6dp"
android:max="100"
android:progress="0"
android:progressBackgroundTint="#E0E0E0"
android:progressTint="#B87333"
app
:layout_constraintStart_toStartOf="@+id/updateProgress"
app
:layout_constraintTop_toTopOf="@+id/updateProgress" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--进度条容器-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/updateProgressText
Layout"
android:layout_width="1040dp"
android:layout_height="87dp"
android:layout_marginLeft="80dp"
android:layout_marginTop="224.97dp"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!-- 进度文本 -->
<TextView
android:id="@+id/progressText"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:paddingTop="8dp"
android:text="0%"
android:textColor="#000000"
android:textSize="60sp"
app
:layout_constraintStart_toStartOf="@+id/updateProgressText
Layout"
app
:layout_constraintTop_toTopOf="@+id/updateProgressText
Layout" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--暂停-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/suspend"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="300dp"
android:layout_marginTop="550dp"
android:background="#B87333"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--暂停文言-->
<TextView
android:id="@+id/suspendtext"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#B87333"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/pause"
android:textColor="#FFFFFF"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="@+id/suspend"
app
:layout_constraintTop_toTopOf="@+id/suspend" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--恢复更新-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/resume"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="300dp"
android:layout_marginTop="550dp"
android:background="#B87333"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--暂停文言-->
<TextView
android:id="@+id/resumetext"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#B87333"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/immediate_Updating"
android:textColor="#FFFFFF"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="@+id/resume"
app
:layout_constraintTop_toTopOf="@+id/resume" />
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 版本信息容器 -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/VersionInfoContainer"
android:layout_width="500dp"
android:layout_height="100dp"
android:layout_marginLeft="350dp"
android:layout_marginTop="180dp"
app
:layout_constraintStart_toStartOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!-- 目标版本 -->
<TextView
android:id="@+id/target_version_text"
android:layout_width="0dp"
android:layout_height="50dp"
android:gravity="center"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="parent"
app
:layout_constraintEnd_toEndOf="parent"
app
:layout_constraintTop_toTopOf="parent"
tools
:text="待传入"/>
<!-- 当前版本 -->
<TextView
android:id="@+id/current_version_text"
android:layout_width="0dp"
android:layout_height="50dp"
android:gravity="center"
android:textSize="24sp"
app
:layout_constraintStart_toStartOf="parent"
app
:layout_constraintEnd_toEndOf="parent"
app
:layout_constraintTop_toBottomOf="@id/target_version_text"
tools
:text="待传入"/>
</
androidx.constraint
layout.widget.Constraint
Layout>
<!-- 结束界面（调整位置避免重叠） -->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/updateEnd"
android:layout_width="1040dp"
android:layout_height="wrap_content"
android:layout_marginStart="80dp"
android:layout_marginTop="24dp"
app
:layout_constraintStart_toStartOf="parent"
app
:layout_constraintTop_toBottomOf="@id/VersionInfoContainer">
<!-- 提示文字 -->
<TextView
android:id="@+id/updateEndText"
android:layout_width="700dp"
android:layout_height="50dp"
android:layout_marginLeft="250dp"
android:layout_marginTop="450dp"
android:gravity="center"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="parent"
app
:layout_constraintTop_toTopOf="parent"
tools
:text="@string/data_update_completed"/>
</
androidx.constraint
layout.widget.Constraint
Layout>
<!--IKONW-->
<
androidx.constraint
layout.widget.Constraint
Layout
android:id="@+id/close"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="460dp"
android:layout_marginTop="550dp"
android:background="#FFFF00"
app
:layout_constraintLeft_toLeftOf="parent"
app
:layout_constraintTop_toTopOf="parent">
<!--有数据可提示文言-->
<TextView
android:id="@+id/closetext"
android:layout_width="280dp"
android:layout_height="64dp"
android:layout_marginLeft="0dp"
android:layout_marginTop="0dp"
android:background="#818181"
android:ellipsize="end"
android:gravity="center_horizontal|center_vertical"
android:hint="@string/search_for_destination"
android:maxLength="50"
android:singleLine="false"
android:text="@string/update_konwed_text"
android:textColor="#FFFFFF"
android:textSize="28sp"
app
:layout_constraintStart_toStartOf="@+id/close"
app
:layout_constraintTop_toTopOf="@+id/close" />
</
androidx.constraint
layout.widget.Constraint
Layout>
</
androidx.constraint
layout.widget.Constraint
Layout>
</
layout>
目前提示文字显示位置有问题，目前主容器多长多宽？提示文字应该在“我知道了”和预留的打钩图案中间
本文详细解释了Android开发中两个重要的布局属性：android:gravity和android:layout_gravity的区别及使用场景。android:gravity用于设置View内部元素的对齐方式，如按钮上的文字位置；而android:layout_gravity则用来指定View在其父容器内的对齐位置。
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