修改模式切换流程

2025-11-10 18:55:21 +08:00
parent 4abc855b36
commit b4087e435e
15 changed files with 421 additions and 136 deletions
@@ -0,0 +1,81 @@
+package com.sw.dualscreen.utils
+
+import android.net.Uri
+import androidx.activity.ComponentActivity
+import androidx.camera.core.CameraSelector
+import androidx.camera.view.CameraController
+import androidx.camera.view.LifecycleCameraController
+import androidx.camera.view.PreviewView
+
+class CameraUtils(private var activity: ComponentActivity) {
+
+    private var cameraController: LifecycleCameraController? = null
+    private var photoCaptureHelper: PhotoCaptureHelper? = null
+
+    //    private var isCameraReady = false
+    fun takePhoto(callback: (Uri) -> Unit) {
+        cameraController?.let {
+            if (photoCaptureHelper == null) {
+                initCaptureHelper()
+            }
+        }
+        photoCaptureHelper?.let {
+            it.addSuccessCallback(callback)
+            it.bindCameraCallback {
+                bind()
+            }
+            it.takePhoto()
+        }
+    }
+
+    private fun initCaptureHelper() {
+        photoCaptureHelper = PhotoCaptureHelper(
+            context = activity,
+            cameraController = cameraController!!,
+            onSuccess = {},
+            onError = { msg ->
+                //toast(msg)
+            }
+        )
+    }
+
+    fun setPreviewController(previewView: PreviewView?) {
+        if (previewView?.controller == null) {
+            previewView?.controller = cameraController
+        }
+    }
+
+    fun initCamera() {
+        if (cameraController == null) {
+            cameraController = LifecycleCameraController(activity).apply {
+                // 必须设置有效的用例
+                setEnabledUseCases(
+                    CameraController.IMAGE_CAPTURE
+                    // or CameraController.VIDEO_CAPTURE
+                )
+                cameraSelector = CameraSelector.DEFAULT_BACK_CAMERA
+            }
+            bind()
+        }
+
+//        if (isCameraReady.not()) {
+//            try {
+//                cameraController!!.initializationFuture.addListener({
+//                    isCameraReady = true
+//                    Timber.d("Camera initialized successfully")
+//                }, ContextCompat.getMainExecutor(this))
+//            } catch (e: Exception) {
+//                Timber.d("Camera initialized error = ${e.message}")
+//            }
+//        }
+    }
+
+    fun bind() {
+        cameraController?.bindToLifecycle(activity)
+    }
+
+    fun unbind() {
+        cameraController?.unbind()
+    }
+
+}