添加了界面及逻辑

app/src/main/java/com/sw/platecabinet/activity/LoginByFaceActivity.kt

@@ -1,9 +1,11 @@
 package com.sw.platecabinet.activity
 
+import android.Manifest
 import android.content.Intent
 import android.graphics.Outline
 import android.view.View
 import android.view.ViewOutlineProvider
+import androidx.activity.viewModels
 import androidx.camera.core.CameraSelector
 import androidx.camera.core.Preview
 import androidx.camera.lifecycle.ProcessCameraProvider
@@ -11,6 +13,8 @@ import androidx.core.content.ContextCompat
 import com.google.common.util.concurrent.ListenableFuture
 import com.sw.platecabinet.databinding.ActivityLoginFaceBinding
 import com.sw.platecabinet.databinding.ItemTitleTimeBinding
+import com.sw.platecabinet.utils.PermissionHelper
+import com.sw.platecabinet.viewmodel.UserViewModel
 import timber.log.Timber
 
 /**
@@ -18,6 +22,10 @@ import timber.log.Timber
  */
 class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>() {
     private lateinit var cameraProviderFuture: ListenableFuture<ProcessCameraProvider>
+    private val viewModel by viewModels<UserViewModel>()
+
+    private val CAMERA_PERMISSION_REQUEST_CODE = 100
+    private val REQUIRED_PERMISSIONS = arrayOf(Manifest.permission.CAMERA)
 
     override fun inflateViewBinding(): ActivityLoginFaceBinding {
         return ActivityLoginFaceBinding.inflate(layoutInflater)
@@ -28,14 +36,25 @@ class LoginByFaceActivity : BaseActivity<ActivityLoginFaceBinding>() {
     }
 
     override fun initialize() {
+        // 请求权限
+        checkCameraPermission()
         initView()
-        startCamera()
+        viewModel.generateToken()
         binding.llToPwd.setOnClickListener {
             val intent = Intent(this, LoginByPwdActivity::class.java)
             startActivity(intent)
         }
     }
 
+    private fun checkCameraPermission() {
+        PermissionHelper.with(this, REQUIRED_PERMISSIONS, CAMERA_PERMISSION_REQUEST_CODE)
+            .onGranted {
+                // 权限已授予
+                startCamera()
+            }
+            .checkAndRequest()
+    }
+
     private fun initView() {
         binding.previewView.outlineProvider = object : ViewOutlineProvider() {
             override fun getOutline(view: View, outline: Outline) {