diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index fed8fa3..400aa4d 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -8,7 +8,7 @@
         <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleHome" value="$USER_HOME$/.gradle/wrapper/dists/gradle-7.2-all/260hg96vuh6ex27h9vo47iv4d/gradle-7.2" />
-        <option name="gradleJvm" value="JDK" />
+        <option name="gradleJvm" value="corretto-11" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />
diff --git a/.idea/markdown.xml b/.idea/markdown.xml
new file mode 100644
index 0000000..f24df79
--- /dev/null
+++ b/.idea/markdown.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="MarkdownSettings">
+    <enabledExtensions>
+      <entry key="MermaidLanguageExtension" value="true" />
+      <entry key="PlantUMLLanguageExtension" value="true" />
+    </enabledExtensions>
+    <option name="verticalSplit" value="false" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 4d86ddb..3f00f82 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,7 +1,11 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
+<<<<<<< HEAD
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
+=======
   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
+>>>>>>> e4f8cd19496660f3dc11140134950097331d4957
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index f317370..9fc9f50 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -44,6 +44,7 @@ android {
     }
     buildFeatures {
         viewBinding true
+        dataBinding true
     }
 }
 
@@ -52,6 +53,7 @@ dependencies {
     implementation 'androidx.core:core-ktx:1.8.0'
     implementation 'androidx.appcompat:appcompat:1.5.1'
     implementation 'com.google.android.material:material:1.7.0'
+    implementation "androidx.compose.material3:material3:1.0.0-alpha04"
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
     implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.4.1'
     implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.4.1'
@@ -74,6 +76,10 @@ dependencies {
 //    implementation "android.arch.lifecycle:extensions:1.1.1"
 //    annotationProcessor "android.arch.lifecycle:compiler:1.1.1"
     implementation 'com.tencent.wcdb:wcdb-android:1.1-19'
+    // 文件选择器 https://github.com/rosuH/AndroidFilePicker/blob/master/README_CN.md
+    implementation 'me.rosuh:AndroidFilePicker:0.8.2'
+    // 时间选择器 https://github.com/Gredicer/datetimepicker
+    implementation 'com.github.Gredicer:datetimepicker:V1.0.0'
     implementation 'com.google.code.gson:gson:2.10'
     implementation 'com.yanzhenjie.recyclerview:x:1.3.2'
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/navinfo/volvo/MainActivity.kt b/app/src/main/java/com/navinfo/volvo/MainActivity.kt
index edad14a..7e56e08 100644
--- a/app/src/main/java/com/navinfo/volvo/MainActivity.kt
+++ b/app/src/main/java/com/navinfo/volvo/MainActivity.kt
@@ -29,9 +29,7 @@ class MainActivity : AppCompatActivity() {
         // menu should be considered as top level destinations.
         val appBarConfiguration = AppBarConfiguration(
             setOf(
-                R.id.navigation_home,
-                R.id.navigation_dashboard,
-                R.id.navigation_notifications
+                R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_notifications, R.id.navigation_obtain_message
             )
         )
         setupActionBarWithNavController(navController, appBarConfiguration)
diff --git a/app/src/main/java/com/navinfo/volvo/db/dao/MapLifeDataBase.java b/app/src/main/java/com/navinfo/volvo/db/dao/MapLifeDataBase.java
index a0bbcc6..4c5b98a 100644
--- a/app/src/main/java/com/navinfo/volvo/db/dao/MapLifeDataBase.java
+++ b/app/src/main/java/com/navinfo/volvo/db/dao/MapLifeDataBase.java
@@ -10,6 +10,7 @@ import androidx.room.RoomDatabase;
 import androidx.sqlite.db.SupportSQLiteDatabase;
 import androidx.sqlite.db.SupportSQLiteOpenHelper;
 
+import com.navinfo.volvo.db.dao.entity.Message;
 import com.navinfo.volvo.db.dao.entity.Attachment;
 import com.navinfo.volvo.db.dao.entity.Message;
 import com.navinfo.volvo.db.dao.entity.User;
diff --git a/app/src/main/java/com/navinfo/volvo/db/dao/entity/Attachment.kt b/app/src/main/java/com/navinfo/volvo/db/dao/entity/Attachment.kt
index 9d981e8..0a64f2d 100644
--- a/app/src/main/java/com/navinfo/volvo/db/dao/entity/Attachment.kt
+++ b/app/src/main/java/com/navinfo/volvo/db/dao/entity/Attachment.kt
@@ -9,9 +9,15 @@ import com.navinfo.volvo.tools.GsonUtil
 @Entity(tableName = "Attachment")
 data class Attachment(
     @PrimaryKey()
-    var id: String
+    var id: String,
+    var pathUrl: String,
+    var attachmentType: AttachmentType
 )
 
+enum class AttachmentType {
+    PIC, AUDIO
+}
+
 class AttachmentConverters() {
     @TypeConverter
     fun stringToAttachment(value: String): Attachment {
diff --git a/app/src/main/java/com/navinfo/volvo/db/dao/entity/Message.kt b/app/src/main/java/com/navinfo/volvo/db/dao/entity/Message.kt
index 81048d6..77ad8dd 100644
--- a/app/src/main/java/com/navinfo/volvo/db/dao/entity/Message.kt
+++ b/app/src/main/java/com/navinfo/volvo/db/dao/entity/Message.kt
@@ -43,4 +43,4 @@ data class Message @JvmOverloads constructor(
      * 附件列表
      */
     var attachment: MutableList<Attachment> = mutableListOf()
-)
\ No newline at end of file
+)
diff --git a/app/src/main/java/com/navinfo/volvo/ui/ViewExtend.kt b/app/src/main/java/com/navinfo/volvo/ui/ViewExtend.kt
new file mode 100644
index 0000000..bcea92a
--- /dev/null
+++ b/app/src/main/java/com/navinfo/volvo/ui/ViewExtend.kt
@@ -0,0 +1,13 @@
+package com.navinfo.volvo.ui
+
+import android.graphics.Color
+import androidx.core.text.buildSpannedString
+import androidx.core.text.color
+import com.google.android.material.textfield.TextInputLayout
+
+fun TextInputLayout.markRequiredInRed() {
+    hint = buildSpannedString {
+        append(hint)// Mind the space prefix.
+        color(Color.RED) { append(" *") }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/navinfo/volvo/ui/home/HomeFragment.kt b/app/src/main/java/com/navinfo/volvo/ui/home/HomeFragment.kt
index 6218058..89df690 100644
--- a/app/src/main/java/com/navinfo/volvo/ui/home/HomeFragment.kt
+++ b/app/src/main/java/com/navinfo/volvo/ui/home/HomeFragment.kt
@@ -14,6 +14,7 @@ import com.navinfo.volvo.R
 import com.navinfo.volvo.databinding.FragmentHomeBinding
 import com.navinfo.volvo.tools.DisplayUtil
 import com.navinfo.volvo.ui.adapter.MessageAdapter
+import com.navinfo.volvo.ui.message.ObtainMessageViewModel
 import com.yanzhenjie.recyclerview.*
 import com.yanzhenjie.recyclerview.SwipeRecyclerView.LoadMoreListener
 
@@ -32,10 +33,21 @@ class HomeFragment : Fragment(), OnItemClickListener, OnItemMenuClickListener {
     ): View {
         val homeViewModel =
             ViewModelProvider(this).get(HomeViewModel::class.java)
+        val obtainMessageViewModel = ViewModelProvider(requireActivity()).get(ObtainMessageViewModel::class.java)
 
         _binding = FragmentHomeBinding.inflate(inflater, container, false)
         val root: View = binding.root
 
+//        val textView: TextView = binding.tvNewMessage
+//        textView.setOnClickListener {
+//            val message = Message(1, "新建标题", "", "", "", 0, "1", "2", mutableListOf())
+//            obtainMessageViewModel.setCurrentMessage(message)
+//            // 跳转到新建Message的Fragment
+//            Navigation.findNavController(it).navigate(R.id.home_2_obtain_message)
+//        }
+//        homeViewModel.text.observe(viewLifecycleOwner) {
+//
+//        }
         val recyclerview: SwipeRecyclerView = binding.homeMessageRecyclerview
         recyclerview.adapter = null //先设置null，否则会报错
         //创建菜单选项
diff --git a/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageFragment.kt b/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageFragment.kt
new file mode 100644
index 0000000..d90d8cf
--- /dev/null
+++ b/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageFragment.kt
@@ -0,0 +1,68 @@
+package com.navinfo.volvo.ui.message
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import com.gredicer.datetimepicker.DateTimePickerFragment
+import com.navinfo.volvo.databinding.FragmentObtainMessageBinding
+import com.navinfo.volvo.ui.markRequiredInRed
+
+class ObtainMessageFragment: Fragment() {
+    private var _binding: FragmentObtainMessageBinding? = null
+    private val obtainMessageViewModel by lazy {
+        ViewModelProvider(requireActivity()).get(ObtainMessageViewModel::class.java)
+    }
+
+    // This property is only valid between onCreateView and
+    // onDestroyView.
+    private val binding get() = _binding!!
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = FragmentObtainMessageBinding.inflate(inflater, container, false)
+        val root: View = binding.root
+
+        obtainMessageViewModel?.getMessageLiveData()?.observe(
+            viewLifecycleOwner, Observer {
+                // 初始化界面显示内容
+                if(it.title!=null)
+                    binding.tvMessageTitle?.setText(it.title)
+                if (it.sendDate!=null) {
+                    binding.btnSendTime.setText(it.sendDate)
+                }
+            }
+        )
+        initView()
+        return root
+    }
+
+    fun initView() {
+        // 设置问候信息提示的红色星号
+        binding.tiLayoutTitle.markRequiredInRed()
+        // 设置点击按钮选择发送时间
+        binding.btnSendTime.setOnClickListener {
+            val dialog = DateTimePickerFragment.newInstance().mode(0)
+            dialog.listener = object : DateTimePickerFragment.OnClickListener {
+                override fun onClickListener(selectTime: String) {
+                    obtainMessageViewModel.updateMessageSendTime(selectTime)
+                }
+
+            }
+            dialog.show(parentFragmentManager, "SelectSendTime")
+        }
+
+        // 点击按钮选择拍照
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageViewModel.kt b/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageViewModel.kt
new file mode 100644
index 0000000..2ce11d2
--- /dev/null
+++ b/app/src/main/java/com/navinfo/volvo/ui/message/ObtainMessageViewModel.kt
@@ -0,0 +1,66 @@
+package com.navinfo.volvo.ui.message
+
+import androidx.lifecycle.LiveData
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.liveData
+import com.navinfo.volvo.db.dao.entity.Message
+import com.navinfo.volvo.db.dao.entity.AttachmentType
+
+class ObtainMessageViewModel: ViewModel() {
+    private val msgLiveData: MutableLiveData<Message> by lazy {
+        MutableLiveData<Message>()
+    }
+
+    fun setCurrentMessage(msg: Message) {
+        msgLiveData.postValue(msg)
+    }
+
+    fun getMessageLiveData(): MutableLiveData<Message> {
+        return msgLiveData
+    }
+
+    // 更新消息标题
+    fun updateMessageTitle(title: String) {
+        this.msgLiveData.value?.title = title
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+
+    // 更新消息附件中的照片文件
+    fun updateMessagePic(picUrl: String) {
+        for (attachment in this.msgLiveData.value!!.attachment) {
+            if (attachment.attachmentType == AttachmentType.PIC) {
+                attachment.pathUrl = picUrl
+            }
+        }
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+
+    // 更新消息附件中的录音文件
+    fun updateMessageAudio(audioUrl: String) {
+        for (attachment in this.msgLiveData.value!!.attachment) {
+            if (attachment.attachmentType == AttachmentType.AUDIO) {
+                attachment.pathUrl = audioUrl
+            }
+        }
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+
+    // 更新发送人
+    fun updateMessageSendFrom(sendFrom: String) {
+        this.msgLiveData.value?.fromId = sendFrom
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+
+    // 更新接收人
+    fun updateMessageSendTo(sendTo: String) {
+        this.msgLiveData.value?.toId = sendTo
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+
+    // 更新发件时间
+    fun updateMessageSendTime(sendTime: String) {
+        this.msgLiveData.value?.sendDate = sendTime
+        this.msgLiveData.postValue(this.msgLiveData.value)
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/ic_baseline_access_time_24.xml b/app/src/main/res/drawable/ic_baseline_access_time_24.xml
new file mode 100644
index 0000000..bdf91f9
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_access_time_24.xml
@@ -0,0 +1,6 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M11.99,2C6.47,2 2,6.48 2,12s4.47,10 9.99,10C17.52,22 22,17.52 22,12S17.52,2 11.99,2zM12,20c-4.42,0 -8,-3.58 -8,-8s3.58,-8 8,-8 8,3.58 8,8 -3.58,8 -8,8z"/>
+    <path android:fillColor="@android:color/white" android:pathData="M12.5,7H11v6l5.25,3.15 0.75,-1.23 -4.5,-2.67z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_audio_file_24.xml b/app/src/main/res/drawable/ic_baseline_audio_file_24.xml
new file mode 100644
index 0000000..5496fb8
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_audio_file_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M14,2H6C4.9,2 4.01,2.9 4.01,4L4,20c0,1.1 0.89,2 1.99,2H18c1.1,0 2,-0.9 2,-2V8L14,2zM16,13h-3v3.75c0,1.24 -1.01,2.25 -2.25,2.25S8.5,17.99 8.5,16.75c0,-1.24 1.01,-2.25 2.25,-2.25c0.46,0 0.89,0.14 1.25,0.38V11h4V13zM13,9V3.5L18.5,9H13z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_camera_24.xml b/app/src/main/res/drawable/ic_baseline_camera_24.xml
new file mode 100644
index 0000000..4a77cd1
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_camera_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M9.4,10.5l4.77,-8.26C13.47,2.09 12.75,2 12,2c-2.4,0 -4.6,0.85 -6.32,2.25l3.66,6.35 0.06,-0.1zM21.54,9c-0.92,-2.92 -3.15,-5.26 -6,-6.34L11.88,9h9.66zM21.8,10h-7.49l0.29,0.5 4.76,8.25C21,16.97 22,14.61 22,12c0,-0.69 -0.07,-1.35 -0.2,-2zM8.54,12l-3.9,-6.75C3.01,7.03 2,9.39 2,12c0,0.69 0.07,1.35 0.2,2h7.49l-1.15,-2zM2.46,15c0.92,2.92 3.15,5.26 6,6.34L12.12,15L2.46,15zM13.73,15l-3.9,6.76c0.7,0.15 1.42,0.24 2.17,0.24 2.4,0 4.6,-0.85 6.32,-2.25l-3.66,-6.35 -0.93,1.6z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_fiber_manual_record_24.xml b/app/src/main/res/drawable/ic_baseline_fiber_manual_record_24.xml
new file mode 100644
index 0000000..57fc55c
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_fiber_manual_record_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M12,12m-8,0a8,8 0,1 1,16 0a8,8 0,1 1,-16 0"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_image_search_24.xml b/app/src/main/res/drawable/ic_baseline_image_search_24.xml
new file mode 100644
index 0000000..d797b73
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_image_search_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M18,13v7L4,20L4,6h5.02c0.05,-0.71 0.22,-1.38 0.48,-2L4,4c-1.1,0 -2,0.9 -2,2v14c0,1.1 0.9,2 2,2h14c1.1,0 2,-0.9 2,-2v-5l-2,-2zM16.5,18h-11l2.75,-3.53 1.96,2.36 2.75,-3.54zM19.3,8.89c0.44,-0.7 0.7,-1.51 0.7,-2.39C20,4.01 17.99,2 15.5,2S11,4.01 11,6.5s2.01,4.5 4.49,4.5c0.88,0 1.7,-0.26 2.39,-0.7L21,13.42 22.42,12 19.3,8.89zM15.5,9C14.12,9 13,7.88 13,6.5S14.12,4 15.5,4 18,5.12 18,6.5 16.88,9 15.5,9z"/>
+</vector>
diff --git a/app/src/main/res/drawable/ic_baseline_mail_24.xml b/app/src/main/res/drawable/ic_baseline_mail_24.xml
new file mode 100644
index 0000000..f0abc2d
--- /dev/null
+++ b/app/src/main/res/drawable/ic_baseline_mail_24.xml
@@ -0,0 +1,5 @@
+<vector android:height="24dp" android:tint="#000000"
+    android:viewportHeight="24" android:viewportWidth="24"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/white" android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,8l-8,5 -8,-5L4,6l8,5 8,-5v2z"/>
+</vector>
diff --git a/app/src/main/res/drawable/selector_bg_4_round_corner.xml b/app/src/main/res/drawable/selector_bg_4_round_corner.xml
new file mode 100644
index 0000000..497f712
--- /dev/null
+++ b/app/src/main/res/drawable/selector_bg_4_round_corner.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/shape_bg_4_round_corner" android:state_pressed="true"></item>
+    <item android:drawable="@drawable/shape_bg_4_round_corner" android:state_selected="true"></item>
+    <item android:drawable="@drawable/shape_bg_4_round_corner" android:state_pressed="true"></item>
+    <item android:drawable="@drawable/shape_bg_4_round_corner" android:state_checked="true"></item>
+    <item android:drawable="@drawable/shape_bg_4_round_corner_default" ></item>
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/shape_bg_4_round_corner.xml b/app/src/main/res/drawable/shape_bg_4_round_corner.xml
new file mode 100644
index 0000000..a03b6b2
--- /dev/null
+++ b/app/src/main/res/drawable/shape_bg_4_round_corner.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--设置圆角-->
+    <!--  按顺序分别对应：左下角的角度、右下角的角度、左上角的角度、右上角的角度-->
+    <corners
+        android:bottomLeftRadius="@dimen/default_widget_padding"
+        android:bottomRightRadius="@dimen/default_widget_padding"
+        android:topLeftRadius="@dimen/default_widget_padding"
+        android:topRightRadius="@dimen/default_widget_padding" />
+    <!--设置圆角背景色-->
+<!--    <solid android:color="@color/white" />-->
+    <!--  设置边框大小与背景色-->
+    <stroke
+        android:width="1px"
+        android:color="@color/purple_200" />
+    <padding android:bottom="@dimen/default_widget_padding"
+        android:left="@dimen/default_widget_padding"
+        android:right="@dimen/default_widget_padding"
+        android:top="@dimen/default_widget_padding">
+    </padding>
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/shape_bg_4_round_corner_default.xml b/app/src/main/res/drawable/shape_bg_4_round_corner_default.xml
new file mode 100644
index 0000000..d65ddff
--- /dev/null
+++ b/app/src/main/res/drawable/shape_bg_4_round_corner_default.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--设置圆角-->
+    <!--  按顺序分别对应：左下角的角度、右下角的角度、左上角的角度、右上角的角度-->
+    <corners
+        android:bottomLeftRadius="@dimen/default_widget_padding"
+        android:bottomRightRadius="@dimen/default_widget_padding"
+        android:topLeftRadius="@dimen/default_widget_padding"
+        android:topRightRadius="@dimen/default_widget_padding" />
+    <!--设置圆角背景色-->
+<!--    <solid android:color="@color/white" />-->
+    <!--  设置边框大小与背景色-->
+    <stroke
+        android:width="1px"
+        android:color="@color/black" />
+    <padding android:bottom="@dimen/default_widget_padding"
+        android:left="@dimen/default_widget_padding"
+        android:right="@dimen/default_widget_padding"
+        android:top="@dimen/default_widget_padding">
+    </padding>
+</shape>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_home.xml b/app/src/main/res/layout/fragment_home.xml
index fe20242..00517f6 100644
--- a/app/src/main/res/layout/fragment_home.xml
+++ b/app/src/main/res/layout/fragment_home.xml
@@ -6,7 +6,5 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".ui.home.HomeFragment"
-   >
-
-</com.yanzhenjie.recyclerview.SwipeRecyclerView>
\ No newline at end of file
+    tools:context=".ui.home.HomeFragment">
+</com.yanzhenjie.recyclerview.SwipeRecyclerView>
diff --git a/app/src/main/res/layout/fragment_obtain_message.xml b/app/src/main/res/layout/fragment_obtain_message.xml
new file mode 100644
index 0000000..dac93b0
--- /dev/null
+++ b/app/src/main/res/layout/fragment_obtain_message.xml
@@ -0,0 +1,272 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="@dimen/activity_default_padding"
+    tools:context=".ui.message.ObtainMessageFragment">
+    <ScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:overScrollMode="never"
+        android:scrollbars="none">
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent">
+
+            <com.google.android.material.textfield.TextInputLayout
+                android:id="@+id/ti_layout_title"
+                style="@style/Widget.Material3.TextInputLayout.OutlinedBox"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_margin="@dimen/default_widget_padding"
+                app:counterEnabled="true"
+                app:counterMaxLength="10"
+                app:errorEnabled="true"
+                android:hint="问候信息"
+                app:layout_constraintLeft_toLeftOf="parent"
+                app:layout_constraintRight_toRightOf="parent"
+                app:layout_constraintTop_toTopOf="parent"
+                app:startIconDrawable="@drawable/ic_baseline_mail_24">
+
+                <com.google.android.material.textfield.TextInputEditText
+                    android:id="@+id/tv_message_title"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    tools:ignore="SpeakableTextPresentCheck,TouchTargetSizeCheck" />
+            </com.google.android.material.textfield.TextInputLayout>
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/label_message_subtitle"
+                style="@style/TextAppearance.AppCompat.Subhead"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="问候信息"
+                app:layout_constraintTop_toBottomOf="@id/ti_layout_title"></com.google.android.material.textview.MaterialTextView>
+
+            <com.google.android.material.divider.MaterialDivider
+                android:id="@+id/div_message"
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_marginVertical="@dimen/default_widget_padding"
+                app:layout_constraintTop_toBottomOf="@id/label_message_subtitle"></com.google.android.material.divider.MaterialDivider>
+
+            <LinearLayout
+                android:id="@+id/layer_message_info"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="@dimen/default_widget_padding"
+                app:layout_constraintTop_toBottomOf="@id/div_message">
+
+                <LinearLayout
+                    style="@style/default_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="*"
+                        android:textColor="@color/red"></TextView>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="上传图片："></TextView>
+
+                    <com.google.android.material.button.MaterialButton
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        style="@style/Widget.Material3.Button.ElevatedButton"
+                        app:icon="@drawable/ic_baseline_camera_24"
+                        android:text="点击拍照"
+                        android:padding="@dimen/default_widget_padding"></com.google.android.material.button.MaterialButton>
+                    <Space
+                        android:layout_width="@dimen/default_widget_padding"
+                        android:layout_height="wrap_content"></Space>
+                    <com.google.android.material.button.MaterialButton
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        style="@style/Widget.Material3.Button.ElevatedButton"
+                        app:icon="@drawable/ic_baseline_image_search_24"
+                        android:text="相册选择"
+                        android:padding="@dimen/default_widget_padding"></com.google.android.material.button.MaterialButton>
+                </LinearLayout>
+
+                <LinearLayout
+                    style="@style/default_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="*"
+                        android:textColor="@color/red"></TextView>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="上传音频："></TextView>
+
+                    <com.google.android.material.button.MaterialButton
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        style="@style/Widget.Material3.Button.ElevatedButton"
+                        app:icon="@drawable/ic_baseline_fiber_manual_record_24"
+                        android:text="长按录音"
+                        android:padding="@dimen/default_widget_padding"></com.google.android.material.button.MaterialButton>
+                    <Space
+                        android:layout_width="@dimen/default_widget_padding"
+                        android:layout_height="wrap_content"></Space>
+                    <com.google.android.material.button.MaterialButton
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        style="@style/Widget.Material3.Button.ElevatedButton"
+                        app:icon="@drawable/ic_baseline_audio_file_24"
+                        android:text="音频选择"
+                        android:padding="@dimen/default_widget_padding"></com.google.android.material.button.MaterialButton>
+                </LinearLayout>
+            </LinearLayout>
+
+            <com.google.android.material.textview.MaterialTextView
+                android:id="@+id/label_send_info"
+                style="@style/TextAppearance.AppCompat.Subhead"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:text="发送信息"
+                app:layout_constraintTop_toBottomOf="@id/layer_message_info"></com.google.android.material.textview.MaterialTextView>
+
+            <com.google.android.material.divider.MaterialDivider
+                android:id="@+id/div_send_info"
+                android:layout_width="match_parent"
+                android:layout_height="1dp"
+                android:layout_marginVertical="@dimen/default_widget_padding"
+                app:layout_constraintTop_toBottomOf="@id/label_send_info"></com.google.android.material.divider.MaterialDivider>
+
+            <LinearLayout
+                android:id="@+id/layer_send_info"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:padding="@dimen/default_widget_padding"
+                app:layout_constraintTop_toBottomOf="@id/div_send_info">
+
+                <LinearLayout
+                    style="@style/default_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="*"
+                        android:textColor="@color/red"></TextView>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="我是谁："></TextView>
+
+                    <androidx.appcompat.widget.AppCompatEditText
+                        android:id="@+id/edt_send_from"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@drawable/selector_bg_4_round_corner"
+                        tools:ignore="TouchTargetSizeCheck,SpeakableTextPresentCheck"></androidx.appcompat.widget.AppCompatEditText>
+                </LinearLayout>
+
+                <LinearLayout
+                    style="@style/default_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="*"
+                        android:textColor="@color/red"></TextView>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="发给谁："></TextView>
+
+                    <androidx.appcompat.widget.AppCompatEditText
+                        android:id="@+id/edt_send_to"
+                        android:layout_width="match_parent"
+                        android:layout_height="wrap_content"
+                        android:background="@drawable/selector_bg_4_round_corner"
+                        tools:ignore="SpeakableTextPresentCheck,TouchTargetSizeCheck"></androidx.appcompat.widget.AppCompatEditText>
+                </LinearLayout>
+
+                <LinearLayout
+                    style="@style/default_line"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:gravity="center_vertical"
+                    android:orientation="horizontal">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="*"
+                        android:textColor="@color/red"></TextView>
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="发送时间："></TextView>
+
+                    <com.google.android.material.button.MaterialButton
+                        android:id="@+id/btn_send_time"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        style="@style/Widget.Material3.Button.ElevatedButton"
+                        app:icon="@drawable/ic_baseline_access_time_24"
+                        android:text="现在"
+                        android:padding="@dimen/default_widget_padding"></com.google.android.material.button.MaterialButton>
+                </LinearLayout>
+
+            </LinearLayout>
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+    </ScrollView>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintBottom_toBottomOf="parent">
+
+        <com.google.android.material.button.MaterialButton
+            style="@style/Widget.Material3.Button.ElevatedButton"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="取消"></com.google.android.material.button.MaterialButton>
+
+        <Space
+            android:layout_width="@dimen/default_widget_padding"
+            android:layout_height="wrap_content"></Space>
+
+        <com.google.android.material.button.MaterialButton
+            style="@style/Widget.Material3.Button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="确认提交"></com.google.android.material.button.MaterialButton>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/bottom_nav_menu.xml b/app/src/main/res/menu/bottom_nav_menu.xml
index 20bcbb4..9274e30 100644
--- a/app/src/main/res/menu/bottom_nav_menu.xml
+++ b/app/src/main/res/menu/bottom_nav_menu.xml
@@ -17,8 +17,14 @@
         android:id="@+id/navigation_notifications"
         android:icon="@drawable/ic_notifications_black_24dp"
         android:title="@string/title_notifications" />
+<!--    <item-->
+<!--        android:id="@+id/navigation_my"-->
+<!--        android:icon="@drawable/ic_baseline_person_24"-->
+<!--        android:title="@string/my" />-->
+
     <item
-        android:id="@+id/navigation_my"
-        android:icon="@drawable/ic_baseline_person_24"
-        android:title="@string/my" />
+        android:id="@+id/navigation_obtain_message"
+        android:icon="@drawable/ic_baseline_mail_24"
+        android:title="消息" />
+
 </menu>
\ No newline at end of file
diff --git a/app/src/main/res/navigation/mobile_navigation.xml b/app/src/main/res/navigation/mobile_navigation.xml
index 03b33bb..2926c8f 100644
--- a/app/src/main/res/navigation/mobile_navigation.xml
+++ b/app/src/main/res/navigation/mobile_navigation.xml
@@ -10,10 +10,10 @@
         android:name="com.navinfo.volvo.ui.home.HomeFragment"
         android:label="@string/title_home"
         tools:layout="@layout/fragment_home" >
-        <action
-            android:id="@+id/to_fab_new_message"
-            app:destination="@id/fab_new_message"
-            />
+        <action android:id="@+id/home_2_obtain_message"
+            app:destination="@id/navigation_obtain_message">
+
+        </action>
     </fragment>
 
     <fragment
@@ -33,4 +33,10 @@
         android:name="com.navinfo.volvo.ui.notifications.NotificationsFragment"
         android:label="@string/title_notifications"
         tools:layout="@layout/fragment_notifications" />
+
+    <fragment
+        android:id="@+id/navigation_obtain_message"
+        android:name="com.navinfo.volvo.ui.message.ObtainMessageFragment"
+        android:label="问候编辑"
+        tools:layout="@layout/fragment_obtain_message" />
 </navigation>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index e00c2dd..eba9395 100644
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -2,4 +2,7 @@
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
+    <dimen name="activity_default_padding">12dp</dimen>
+    <dimen name="default_font_size">18sp</dimen>
+    <dimen name="default_widget_padding">6dp</dimen>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
new file mode 100644
index 0000000..229464f
--- /dev/null
+++ b/app/src/main/res/values/styles.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="default_line">
+        <item name="android:padding">@dimen/default_widget_padding</item>
+    </style>
+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/themes.xml b/app/src/main/res/values/themes.xml
index 65e85fc..146ed17 100644
--- a/app/src/main/res/values/themes.xml
+++ b/app/src/main/res/values/themes.xml
@@ -1,6 +1,6 @@
 <resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Base application theme. -->
-    <style name="Theme.NavinfoVolvo" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
+    <style name="Theme.NavinfoVolvo" parent="Theme.Material3.DayNight.NoActionBar">
         <!-- Primary brand color. -->
         <item name="colorPrimary">@color/purple_500</item>
         <item name="colorPrimaryVariant">@color/purple_700</item>
diff --git a/gradle.properties b/gradle.properties
index 0328c09..a9dca93 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,7 +23,7 @@ kotlin.code.style=official
 android.nonTransitiveRClass=true
 android.enableJetifier=true
 systemProp.http.proxyHost=127.0.0.1
-systemProp.http.proxyPort=1080
+systemProp.http.proxyPort=10080
 systemProp.https.proxyHost=127.0.0.1
-systemProp.https.proxyPort=1080
+systemProp.https.proxyPort=10080
 org.gradle.configureondemand=true
\ No newline at end of file