fix(*): reflect correct torch state

Instead of internally handling the torch state now using the actual
state of the camera.

Author: michaelwolz

android/src/main/java/com/michaelwolz/capacitorcameraview/CameraView.kt

@@ -19,6 +19,7 @@ import androidx.camera.core.ImageAnalysis
 import androidx.camera.core.ImageCapture
 import androidx.camera.core.ImageCaptureException
 import androidx.camera.core.ImageProxy
+import androidx.camera.core.TorchState
 import androidx.camera.core.resolutionselector.AspectRatioStrategy
 import androidx.camera.core.resolutionselector.ResolutionSelector
 import androidx.camera.mlkit.vision.MlKitAnalyzer
@@ -55,7 +56,6 @@ class CameraView(plugin: Plugin) {
     // Camera state
     private var currentCameraSelector = CameraSelector.DEFAULT_BACK_CAMERA
     private var currentFlashMode: Int = ImageCapture.FLASH_MODE_OFF
-    private var isTorchEnabled: Boolean = false
 
     // Plugin context
     private var lifecycleOwner: LifecycleOwner? = null
@@ -416,8 +416,16 @@ class CameraView(plugin: Plugin) {
     }
 
     /** Get the current torch mode */
-    fun getTorchMode(): Boolean {
-        return isTorchEnabled
+    fun getTorchMode(callback: (Boolean) -> Unit) {
+        mainHandler.post {
+            val cameraInfo = cameraController?.cameraInfo
+                ?: run {
+                    callback(false)
+                    return@post
+                }
+
+            callback(cameraInfo.torchState.value == TorchState.ON)
+        }
     }
 
     /** Set the torch mode */
@@ -437,7 +445,6 @@ class CameraView(plugin: Plugin) {
                 }
 
                 controller.cameraControl?.enableTorch(enabled)
-                isTorchEnabled = enabled
                 callback?.invoke(null)
             } catch (e: Exception) {
                 callback?.invoke(e)

android/src/main/java/com/michaelwolz/capacitorcameraview/CameraViewPlugin.kt

@@ -220,8 +220,7 @@ class CameraViewPlugin : Plugin() {
 
     @PluginMethod
     fun getTorchMode(call: PluginCall) {
-        try {
-            val enabled = implementation.getTorchMode()
+        implementation.getTorchMode { enabled ->
             call.resolve(JSObject().apply {
                 put("enabled", enabled)
                 put(
@@ -230,8 +229,6 @@ class CameraViewPlugin : Plugin() {
                     if (enabled) 1.0f else 0.0f
                 )
             })
-        } catch (e: Exception) {
-            call.reject("Failed to get torch mode: ${e.localizedMessage}", e)
         }
     }
 

example-app/src/app/components/camera-modal/camera-modal.component.ts

@@ -177,6 +177,7 @@ export class CameraModalComponent implements OnInit, OnDestroy {
     ]);
 
     this.currentZoomFactor.set(this.initialZoomFactor());
+    await this.#debugCurrentTorchState();
   }
 
   protected async stopCamera(): Promise<void> {
@@ -185,6 +186,8 @@ export class CameraModalComponent implements OnInit, OnDestroy {
     } catch (error) {
       console.error('Failed to stop camera', error);
     }
+
+    await this.#debugCurrentTorchState();
   }
 
   protected async close(): Promise<void> {
@@ -267,7 +270,6 @@ export class CameraModalComponent implements OnInit, OnDestroy {
   }
 
   protected async flipCamera(): Promise<void> {
-    debugger;
     try {
       await this.#cameraViewService.flipCamera();
 
@@ -408,6 +410,8 @@ export class CameraModalComponent implements OnInit, OnDestroy {
     } catch (error) {
       console.error('Failed to toggle torch', error);
     }
+
+    await this.#debugCurrentTorchState();
   }
 
   async #toggleTorchIos(): Promise<void> {
@@ -447,4 +451,12 @@ export class CameraModalComponent implements OnInit, OnDestroy {
     // Android: 100% when on, 0% when off
     this.torchLevel.set(enabled ? 1.0 : 0.0);
   }
+
+  /**
+   * Helper method for checking current torch state
+   */
+  async #debugCurrentTorchState(): Promise<void> {
+    const currentState = await this.#cameraViewService.getTorchMode();
+    console.debug('Current torch state:', currentState);
+  }
 }