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QR code: Show label overlay with info on how to generate the QR code

This commit is contained in:
Roopesh Chander 2018-10-30 19:04:10 +05:30
parent 1039f1f35a
commit b12d7bfd95
1 changed files with 14 additions and 0 deletions
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14
WireGuard/WireGuard/UI/iOS/QRScanViewController.swift
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@ -21,6 +21,20 @@ class QRScanViewController: UIViewController {
self.title = "Scan QR code"
self.navigationItem.rightBarButtonItem = UIBarButtonItem(barButtonSystemItem: .cancel, target: self, action: #selector(cancelTapped))
let tipLabel = UILabel()
tipLabel.text = "Tip: Generate with `qrencode -t ansiutf8 < tunnel.conf`"
tipLabel.adjustsFontSizeToFitWidth = true
tipLabel.textColor = UIColor.lightGray
tipLabel.textAlignment = .center
view.addSubview(tipLabel)
tipLabel.translatesAutoresizingMaskIntoConstraints = false
NSLayoutConstraint.activate([
tipLabel.leftAnchor.constraint(equalTo: view.safeAreaLayoutGuide.leftAnchor),
tipLabel.rightAnchor.constraint(equalTo: view.safeAreaLayoutGuide.rightAnchor),
tipLabel.bottomAnchor.constraint(equalTo: view.safeAreaLayoutGuide.bottomAnchor, constant: -32),
])
guard let videoCaptureDevice = AVCaptureDevice.default(for: .video),
let videoInput = try? AVCaptureDeviceInput(device: videoCaptureDevice),
let captureSession = captureSession,