切换家庭，消息列表

app/src/main/java/com/example/defenseapplication/home/AddDeviceActivity.kt

@@ -0,0 +1,21 @@
+package com.example.defenseapplication.home
+
+import android.os.Bundle
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import com.example.defenseapplication.R
+
+class AddDeviceActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+        setContentView(R.layout.add_device_activity)
+        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main)) { v, insets ->
+            val systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars())
+            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom)
+            insets
+        }
+    }
+}

app/src/main/java/com/example/defenseapplication/home/PersonalFragment.kt

@@ -23,7 +23,7 @@ class PersonalFragment : Fragment() {
     ): View {
         _binding = PersonalFragmentBinding.inflate(inflater, container, false)
         Glide.with(this)
-            .load(R.mipmap.ic_launcher_round)
+            .load(R.drawable.img)
             .circleCrop()
             .into(binding.ivAvatar)
         binding.headerLayout.setOnClickListener {

app/src/main/java/com/example/defenseapplication/personal/PersonalProfileActivity.kt

@@ -30,9 +30,8 @@ class PersonalProfileActivity : AppCompatActivity() {
     private fun initView() {
         binding.ivBack.setOnClickListener { finish() }
 
-        // 默认展示数据（后续可接你的用户信息接口/数据库）
         Glide.with(this)
-            .load(R.mipmap.ic_launcher_round)
+            .load(R.drawable.img)
             .circleCrop()
             .into(binding.ivAvatar)