编译工程

app/src/main/java/com/navinfo/omqs/model/LoginUser.kt

@@ -0,0 +1,6 @@
+package com.navinfo.omqs.model
+
+data class LoginUser(
+    var username: String = "",
+    var password: String = ""
+)

app/src/main/java/com/navinfo/omqs/ui/BaseActivity.kt

@@ -0,0 +1,13 @@
+package com.navinfo.omqs.ui
+
+import android.content.pm.ActivityInfo
+import android.os.Bundle
+import android.os.PersistableBundle
+import androidx.appcompat.app.AppCompatActivity
+
+open class BaseActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
+        super.onCreate(savedInstanceState, persistentState)
+        requestedOrientation =  ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE//横屏
+    }
+}

app/src/main/java/com/navinfo/omqs/ui/LoginActivity.kt

@@ -3,6 +3,8 @@ package com.navinfo.omqs.ui
 import android.os.Bundle
 import android.os.PersistableBundle
 import androidx.activity.viewModels
+import androidx.databinding.DataBindingUtil
+import com.navinfo.omqs.R
 import com.navinfo.omqs.databinding.ActivityLoginBinding
 
 class LoginActivity : PermissionsActivity() {
@@ -12,7 +14,8 @@ class LoginActivity : PermissionsActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
         super.onCreate(savedInstanceState, persistentState)
-        binding = ActivityLoginBinding.inflate(layoutInflater)
+        binding = DataBindingUtil.inflate(layoutInflater, R.layout.activity_login, null, false)
+        binding.lifecycleOwner = this
         setContentView(binding.root)
     }
 

app/src/main/java/com/navinfo/omqs/ui/PermissionsActivity.kt

@@ -11,7 +11,7 @@ import com.hjq.permissions.XXPermissions
 /**
  * 权限申请Activity
  */
-abstract class PermissionsActivity : AppCompatActivity() {
+abstract class PermissionsActivity : BaseActivity() {
     override fun onCreate(savedInstanceState: Bundle?, persistentState: PersistableBundle?) {
         super.onCreate(savedInstanceState, persistentState)