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Hide TouchID option if a device doesn't support

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This commit is contained in:
Bob Sun 2017-05-26 09:25:36 -07:00
parent 086515b5ee
commit 3921b89a12
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GPG key ID: 1F86BA2052FED3B4
1 changed files with 40 additions and 7 deletions
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47
pass/Controllers/SettingsTableViewController.swift
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@ -11,6 +11,7 @@ import SVProgressHUD
import CoreData
import SwiftyUserDefaults
import PasscodeLock
import LocalAuthentication
class SettingsTableViewController: UITableViewController {
@ -149,6 +150,18 @@ class SettingsTableViewController: UITableViewController {
}
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
// Security section, hide TouchID if the device doesn't support
if section == 1 {
if hasTouchID() {
return 2
} else {
return 1
}
}
return super.tableView(tableView, numberOfRowsInSection: section)
}
override func viewDidLoad() {
super.viewDidLoad()
NotificationCenter.default.addObserver(self, selector: #selector(SettingsTableViewController.actOnPasswordStoreErasedNotification), name: .passwordStoreErased, object: nil)
@ -159,6 +172,28 @@ class SettingsTableViewController: UITableViewController {
setPasscodeLockTouchIDCells()
}
private func hasTouchID() -> Bool {
let context = LAContext()
var error: NSError?
if context.canEvaluatePolicy(LAPolicy.deviceOwnerAuthenticationWithBiometrics, error: &error) {
return true
} else {
switch error!.code {
case LAError.Code.touchIDNotEnrolled.rawValue:
return true
case LAError.Code.passcodeNotSet.rawValue:
return true
default:
return false
}
}
}
private func isTouchIDEnabled() -> Bool {
let context = LAContext()
return context.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics, error: nil)
}
private func setPasscodeLockTouchIDCells() {
if PasscodeLockRepository().hasPasscode {
self.passcodeTableViewCell.detailTextLabel?.text = "On"
@ -210,15 +245,13 @@ class SettingsTableViewController: UITableViewController {
tableView.deselectRow(at: indexPath, animated: true)
}
override func viewWillAppear(_ animated: Bool) {
super.viewWillAppear(animated)
}
func touchIDSwitchAction(uiSwitch: UISwitch) {
if !Globals.passcodeConfiguration.isTouchIDAllowed {
if !Globals.passcodeConfiguration.isTouchIDAllowed || !isTouchIDEnabled() {
// switch off
uiSwitch.isOn = Defaults[.isTouchIDOn] // false
Utils.alert(title: "Notice", message: "Please set the passcode lock first.", controller: self, completion: nil)
DispatchQueue.main.asyncAfter(deadline: .now() + .milliseconds(500)) {
uiSwitch.isOn = Defaults[.isTouchIDOn] // false
Utils.alert(title: "Notice", message: "Please enable Touch ID and set the passcode lock first.", controller: self, completion: nil)
}
} else {
Defaults[.isTouchIDOn] = uiSwitch.isOn
}