Ios SwiftUI检测用户何时拍摄屏幕截图或屏幕录制
在Ios SwiftUI检测用户何时拍摄屏幕截图或屏幕录制,ios,swift,swiftui,Ios,Swift,Swiftui,在UIViewController上,我们可以轻松地向控制器添加观察者。比如: 类ViewController:UIViewController{ 重写func viewDidLoad(){ super.viewDidLoad() NotificationCenter.default.addObserver(self,选择器:#选择器(didTakeScreenshot(通知:)),名称:UIApplication.userDidTakeScreenshotNotification,对象:nil
UIViewController
上,我们可以轻松地向控制器添加观察者。比如:
类ViewController:UIViewController{
重写func viewDidLoad(){
super.viewDidLoad()
NotificationCenter.default.addObserver(self,选择器:#选择器(didTakeScreenshot(通知:)),名称:UIApplication.userDidTakeScreenshotNotification,对象:nil)
}
@objc func屏幕截图(通知:通知){
打印(“截图”)
}
}
或通过以下方式捕获记录:
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
// Override point for customization after application launch.
let isCaptured = UIScreen.main.isCaptured
return true
}
但是如何使用SwiftUI呢?这里是一个简单的演示:
struct ContentView: View {
@State var isRecordingScreen = false
var body: some View {
Text("Test")
.onReceive(NotificationCenter.default.publisher(for: UIApplication.userDidTakeScreenshotNotification)) { _ in
print("Screenshot taken")
}
.onReceive(NotificationCenter.default.publisher(for: UIScreen.capturedDidChangeNotification)) { _ in
isRecordingScreen.toggle()
print(isRecordingScreen ? "Started recording screen" : "Stopped recording screen")
}
}
}