質問編集履歴
1
エラーメッセージの表示
test
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File without changes
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test
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@@ -32,7 +32,7 @@
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captureSession.sessionPreset = AVCaptureSession.Preset.photo
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① if let availabelDevices = AVCaptureDevice.DiscoverySession(deviceTypes: [.builtInWideAngleCamera], mediaType: AVMediaType.video, position: .back).devices {
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captureDevice = availabelDevices.first
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@@ -58,7 +58,7 @@
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}
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② if let previewLayer = AVCaptureVideoPreviewLayer(session: captureSession) {
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self.previewLayer = previewLayer
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@@ -98,10 +98,22 @@
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}
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](df3f0880523907d14a40f3a839d1fa32.png)
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```
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二箇所エラーが表示されます。
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修正方法を教えて戴けませんか ?
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① if let availabelDevices - - - 箇所で
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Initializer for conditional binding must have Optional type, not '[AVCaptureDevice]'
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② if let previewLayer - - - 箇所で
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Initializer for conditional binding must have Optional type, not 'AVCaptureVideoPreviewLayer'
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というエラーになります。
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