User Defaults Swift - ios

Question

I have hint view (tooltip). And I want it display in my app 1 time per download app. When user downloading app this tooltip is showing and then dismiss. When user delete app and again downloading tooltip should work again.
let options: AMTooltipViewOptions = .init(textColor: Color.guideSubTitle,
textBoxBackgroundColor: Color.guideScreenBackground,
textBoxCornerRadius: 8,
lineColor: Color.guideScreenBackground,
lineHeight: 15,
dotSize: 0,
focusViewRadius: 15,
focustViewVerticalPadding: 0,
focustViewHorizontalPadding: 0)
AMTooltipView(options: options,
message: Localizable.scan_open_from_gallery + "\n" + Localizable.scan_clear,
focusView: content.openGalleryBtn, target: self)
and I have key
public var hintView: Bool {
get {
return setting.bool(forKey: Key.hintView)
}
set {
setting.set(false, forKey: Key.hintView)
}
}
How can I control when user deletes app and again download it

Answer 1

Store a bool in UserDefaults. Once the user uninstalls the app, the data will be deleted.
in your AppDelegate.swift
let DEFAULTS = UserDefaults.standard
var isUserFirstTime = !DEFAULTS.bool(forKey: "isUserFirstLogin") // by default it will store false, so when the user opens the app for first time, isUserFirstTime = true.
then inside your didFinishLaunchingWithOptions function
if isUserFirstTime {
// your code here to show toolbar
} else {
// dont show toolbar
}
// once you have completed the operation, set the key to true.
DEFAULTS.set(true, forKey: "isUserFirstLogin")

Answer 2

Change your getter and setter for hintView like below
public var hintView: Bool {
get {
return setting.bool(forKey: Key.hintView)
}
set {
setting.set(true, forKey: Key.hintView)
setting.synchronize()
}
}
And now use your hintView variable like below for showing and hiding the toolbar.
//it will always returns false for first time when you install new app.
if hintView {
print("Hide Toolbar")
}
else {
//set flag to true for first time install application.
hintView = true
print("Show Toolbar")
}
I hope it will more clear to you

Answer 3

import Foundation
import AMTooltip
class HintViewController {
let userDefaults: UserDefaults = .standard
let wasLaunchedBefore: Bool
var isFirstLaunch: Bool {
return !wasLaunchedBefore
}
init() {
let key = "wasLaunchBefore"
let wasLaunchedBefore = userDefaults.bool(forKey: key)
self.wasLaunchedBefore = wasLaunchedBefore
if !wasLaunchedBefore {
userDefaults.set(true, forKey: key)
}
}
func showHintView(message: String!, focusView: UIView, target: UIViewController) {
let options: AMTooltipViewOptions = .init(textColor: Color.guideSubTitle,
textBoxBackgroundColor: Color.guideScreenBackground,
textBoxCornerRadius: 8,
lineColor: Color.guideScreenBackground,
lineHeight: 15,
dotSize: 0,
focusViewRadius: 15,
focustViewVerticalPadding: 0,
focustViewHorizontalPadding: 0)
AMTooltipView(options: options, message: message, focusView: focusView, target: target)
}
}