saoudrizwan

// Initialize in viewDidLoad
let mediumImpactFeedbackGenerator = UIImpactFeedbackGenerator(style: .medium)

// Prepare in viewDidAppear
mediumImpactFeedbackGenerator.prepare()

// Play haptic signal
if let feedbackSupportLevel = UIDevice.current.value(forKey: "_feedbackSupportLevel") as? Int {
    switch feedbackSupportLevel {
    case 2:

saoudrizwan

// Initialize in viewDidLoad
var mediumImpactFeedbackGenerator: UIImpactFeedbackGenerator? = nil
if UIDevice.current.hasHapticFeedback {
    mediumImpactFeedbackGenerator = UIImpactFeedbackGenerator(style: .medium)
}
 
// Prepare in viewDidAppear
mediumImpactFeedbackGenerator?.prepare()

// Play the desired haptic signal

saoudrizwan

import UIKit

extension UIDevice {
    enum DevicePlatform: String {
        case other = "Old Device"
        case iPhone6S = "iPhone 6S"
        case iPhone6SPlus = "iPhone 6S Plus"
        case iPhone7 = "iPhone 7"
        case iPhone7Plus = "iPhone 7 Plus"
    }

saoudrizwan

import UIKit

let selectionFeedbackGenerator = UISelectionFeedbackGenerator()

// Prepare shortly before playing
selectionFeedbackGenerator.prepare()

// Play the haptic signal
selectionFeedbackGenerator.selectionChanged()

saoudrizwan

import UIKit

let impactFeedbackGenerator: (
    light: UIImpactFeedbackGenerator,
    medium: UIImpactFeedbackGenerator,
    heavy: UIImpactFeedbackGenerator) = (
        UIImpactFeedbackGenerator(style: .light),
        UIImpactFeedbackGenerator(style: .medium),
        UIImpactFeedbackGenerator(style: .heavy)
)

saoudrizwan

import UIKit

let lightImpactFeedbackGenerator = UIImpactFeedbackGenerator(style: .light)

// Prepare shortly before playing
lightImpactFeedbackGenerator.prepare()

// Play the haptic signal
lightImpactFeedbackGenerator.impactOccurred()

saoudrizwan

import UIKit

let notificationFeedbackGenerator = UINotificationFeedbackGenerator()

// We can inform the feedback generator that it will likely receive events soon,
// which basically 'wakes up' the device's taptic engine for a few seconds, 
// preparing it for use without any latency. You can call this function as many 
// times as you want. Good times to call this are when a gesture begins and right
// after a haptic signal is played.
notificationFeedbackGenerator.prepare()

saoudrizwan

import AudioToolbox.AudioServices

// 'Peek' feedback (weak boom)
let peek = SystemSoundID(1519)
AudioServicesPlaySystemSound(peek)

// 'Pop' feedback (strong boom)
let pop = SystemSoundID(1520)
AudioServicesPlaySystemSound(pop)

saoudrizwan

import AudioToolbox.AudioServices

// kSystemSoundID_Vibrate is just a UInt32 with a value of 4095
let vibrate = SystemSoundID(kSystemSoundID_Vibrate)
AudioServicesPlaySystemSound(vibrate)

// ... or if you want a completion block to be called after the vibration finishes
let vibrate = SystemSoundID(kSystemSoundID_Vibrate) // 4095
AudioServicesPlaySystemSoundWithCompletion(vibrate, {
    print("did vibrate")

saoudrizwan

import Disk

do {
    try Disk.save(posts, to: .documents, as: "posts.json")
    let retrieved = try Disk.retrieve("posts.json", from: .documents, as: [Post].self)
} catch {
    // ...
}