CGA_PeripheralViewController

@MainActor
class CGA_PeripheralViewController : CGA_BaseViewController
extension CGA_PeripheralViewController: CGA_UpdatableScreenViewController
extension CGA_PeripheralViewController: UITableViewDataSource
extension CGA_PeripheralViewController: UITableViewDelegate

This controls the Peripheral Information View.

  • The reuse ID that we use for creating new table cells.

    Declaration

    Swift

    @MainActor
private static let _deviceRowReuseID: String

  • The ID of the segue that is executed to display Service details.

    Declaration

    Swift

    @MainActor
private static let _serviceDetailSegueID: String

  • This implements a “pull to refresh.”

    Declaration

    Swift

    @MainActor
private let _refreshControl: UIRefreshControl

  • This contains the device discovery data.

    Declaration

    Swift

    @MainActor
var deviceAdvInfo: RVS_BlueThoth.DiscoveryData!

  • This contains the device instance, once the connection is successful. It is a weak reference.

    Declaration

    Swift

    @MainActor
weak var deviceInstance: CGA_Bluetooth_Peripheral? { get }

  • This is the table that will list the discovered devices.

    Declaration

    Swift

    @IBOutlet
@MainActor
weak var serviceTableView: UITableView!

  • This is the “Busy” animation that is displayed while the device connects.

    Declaration

    Swift

    @IBOutlet
@MainActor
weak var busyAnimationActivityIndicatorView: UIActivityIndicatorView!

  • The label that displays the “CONNECTING…” message.

    Declaration

    Swift

    @IBOutlet
@MainActor
weak var connectingLabel: UILabel!

  • The stack view that contains all the device information.

    Declaration

    Swift

    @IBOutlet
@MainActor
weak var deviceInfoTextView: UITextView!

  • The label for the Services table.

    Declaration

    Swift

    @IBOutlet
@MainActor
weak var servicesLabel: UILabel!

Private Methods

  • This sets up the accessibility and voiceover strings for the screen.

    Declaration

    Swift

    @MainActor
func setUpAccessibility()

Callback/Observer Methods

  • This is called by the table’s “pull to refresh” handler.

    When this is called, the Peripheral wipes out its Services, and starts over from scratch.

    Declaration

    Swift

    @objc
@MainActor
func startOver(_: Any)

CGA_UpdatableScreenViewController Conformance

  • This simply makes sure that the UI matches the state of the device.

    Declaration

    Swift

    @MainActor
func updateUI()

Base Class Override Methods

  • Called after the view data has been loaded.

    Declaration

    Swift

    @MainActor
override func viewDidLoad()

  • Called just before the view is to disappear (slide out, usually, or get covered). We use this to make sure that any connection timeouts are canceled.

    Declaration

    Swift

    @MainActor
override func viewWillDisappear(_ inAnimated: Bool)

    Parameters

    inAnimated

    This is true, if the disappearance is to be animated.

  • Called just before the view is to appear.

    Declaration

    Swift

    @MainActor
override func viewWillAppear(_ inAnimated: Bool)

    Parameters

    inAnimated

    This is true, if the disappearance is to be animated.

  • This is called just before we bring in the Service screen.

    Declaration

    Swift

    @MainActor
override func prepare(for inSegue: UIStoryboardSegue, sender inSender: Any?)

    Parameters

    for

    The segue being executed.
    sender

    The data we want passed into the destination.

UITableViewDataSource Conformance

  • This returns the number of available rows, in the given section.

    Declaration

    Swift

    @MainActor
func tableView(_ inTableView: UITableView, numberOfRowsInSection inSection: Int) -> Int

    Parameters

    inTableView

    The table view that is asking for the row count.
    numberOfRowsInSection

    The 0-based section index being queried.

    Return Value

    The number of rows in the given section.

  • This returns a view, with the data for the given row and section.

    Declaration

    Swift

    @MainActor
func tableView(_ inTableView: UITableView, cellForRowAt inIndexPath: IndexPath) -> UITableViewCell

    Parameters

    inTableView

    The table view that is asking for the cell.
    cellForRowAt

    The index path (section, row) for the cell.

UITableViewDelegate Conformance

  • Called when a row is selected.

    Declaration

    Swift

    @MainActor
func tableView(_ inTableView: UITableView, didSelectRowAt inIndexPath: IndexPath)

    Parameters

    inTableView

    The table view that is asking for the cell.
    didSelectRowAt

    The index path (section, row) for the cell.