Migrated: swift 3.0 → 4.0 - #36
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meigesir wants to merge 1 commit into
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Ext: add `clearDrawLayer` function in `startScan` function for clearing operation
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Hi @liufan321, thank you for creating this project. I'd love to know if you are still maintaining it and if you could accept this pull request to upgrade the project to Swift 4. |
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| if !session.canAddInput(videoInput) { | ||
| if !session.canAddInput(videoInput!) { |
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Hey, I believe this will crash the app if the user denies camera permission, making videoInput nil.
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Ext: add
clearDrawLayerfunction instartScanfunction for clearing operation