Update Android app login, home, and face verification flows.

Sync current local UI and activity changes to remote repository.

Made-with: Cursor

app/build.gradle.kts

@@ -48,7 +48,14 @@ dependencies {
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
-    implementation("com.squareup.okhttp3:okhttp:4.12.0")
-    // 可选：协程扩展支持
-    implementation("com.squareup.okhttp3:okhttp-coroutines:4.12.0")
+
+
+    // CameraX 用于相机预览
+    implementation("androidx.camera:camera-camera2:1.3.0")
+    implementation("androidx.camera:camera-lifecycle:1.3.0")
+    implementation("androidx.camera:camera-view:1.3.0")
+    // Google ML Kit 人脸检测
+    implementation("com.google.mlkit:face-detection:16.1.5")
+    // 图形绘制库（绘制人脸框）
+    implementation("com.github.bumptech.glide:glide:4.15.1")
 }