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fix: QR scanner crash - add previewLayer as sublayer in layout() instead of init

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This commit is contained in:
yumoqing 2026-06-23 09:11:48 +08:00
parent ae96218d20
commit 32f722bd34
1 changed files with 4 additions and 1 deletions
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5
Sources/QRScannerView.swift
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@ -91,7 +91,7 @@ class QRScannerHostView: NSView {
override init(frame: CGRect) { override init(frame: CGRect) {
super.init(frame: frame) super.init(frame: frame)
wantsLayer = true wantsLayer = true
layer = previewLayer // 不在 init 时设置 layer = previewLayer，等 layout 时再添加为 sublayer
} }
required init?(coder: NSCoder) { required init?(coder: NSCoder) {
@ -100,6 +100,9 @@ class QRScannerHostView: NSView {
override func layout() { override func layout() {
super.layout() super.layout()
if previewLayer.superlayer == nil {
layer?.addSublayer(previewLayer)
}
previewLayer.frame = bounds previewLayer.frame = bounds
} }
} }