pouyamaroufi/Secure-Flutter-App

Block Screen Shots and Screen Record for iOS and Android in Flutter without using any package

Make Your iOS and Android App Secure

Block ScreenShots and Screen Recording without adding any packages in Flutter

💡 Notic: Only works on real Device | the codes dosen't works on simulator for both platform

Android

Add this to MainActivity in android/app/src/main/kotlin/com/PackegeName/ProjectName

package com.example.test // replace your packageName

import android.view.WindowManager.LayoutParams
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine

class MainActivity: FlutterActivity() {
  override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
    window.addFlags(LayoutParams.FLAG_SECURE)
    super.configureFlutterEngine(flutterEngine)
  }
}

iOS

Add this to AppDelegate in ios/Runner/AppDelegate.swift

import UIKit
import Flutter


@UIApplicationMain
@objc class AppDelegate: FlutterAppDelegate {
  override func application(
    _ application: UIApplication,
    didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?
  ) -> Bool {
    self.window.makeSecure() // + add this line
    GeneratedPluginRegistrant.register(with: self)
    return super.application(application, didFinishLaunchingWithOptions: launchOptions)
  }
}

// +  add this section

extension UIWindow {
func makeSecure() {
    let field = UITextField()
    field.isSecureTextEntry = true
    self.addSubview(field)
    field.centerYAnchor.constraint(equalTo: self.centerYAnchor).isActive = true
    field.centerXAnchor.constraint(equalTo: self.centerXAnchor).isActive = true
    self.layer.superlayer?.addSublayer(field.layer)
    field.layer.sublayers?.first?.addSublayer(self.layer)
  }
}