Screen Capture
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Screenshot detection identifies when a screenshot is taken on a device. Screenshots can expose sensitive app data, such as user credentials, personal content, or confidential information, leading to privacy and security risks. By detecting screenshots, apps can take preventive measures, such as:
Obscuring sensitive content before the screenshot is captured.
Notifying users that a screenshot has been taken.
Logging events for security monitoring and analysis.
// Android screenshot detection
override fun onScreenshotDetected() {
TODO("Not yet implemented")
}
// iOS screenshot detection
case screenshot
// Flutter screenshot detection
onScreenshot: () => print("Screenshot capture detected")
// React Native, Capacitor and Cordova
screenshot: () => {
console.log('screenshot');
},Screen recording detection helps identify when a device's screen is being recorded. Screen recordings can capture sensitive data, such as user interactions and proprietary app content. By detecting screen recordings, apps can:
Mask sensitive information during recording.
Alert users that their screen is being recorded.
Log events for further security analysis.
// Android screen recording detection
override fun onScreenRecordingDetected() {
TODO("Not yet implemented")
}
// iOS screen recording and screen mirrorring detection
case screenRecording
// Flutter screen recording detection and screen mirrorring detection
onScreenRecording: () => print("Screen recording detected")
// React Native, Capacitor and Cordova
screenRecording: () => {
console.log('screenRecording');
},Screen capture protection prevents your app’s content from appearing in screenshots and screen recordings. When enabled, captured images and recordings display a black screen, protecting sensitive information.
To enable or disable protection dynamically, pass true or false.
// Android screen capture protection
Talsec.blockScreenCapture(activity, true)
// iOS screen capture protection
Talsec.blockScreenCapture(enable: true, window: UIWindow)
// Flutter screen capture protection
await Talsec.instance.blockScreenCapture(enabled: true)
// React Native
import { blockScreenCapture } from 'freerasp-react-native';
await blockScreenCapture(true);
// response: Screen capture is now Blocked
// Capacitor
import { blockScreenCapture } from 'capacitor-freerasp';
await blockScreenCapture(true);
// response: true
// Cordova
await talsec.blockScreenCapture(true);
// response: Screen capture is now BlockedTo check whether screen capture is currently blocked in the application, use the following method:
// Android screen capture state
Talsec.isScreenCaptureBlocked()
// iOS screen capture state
Talsec.isScreenCaptureBlocked(in window: UIWindow)
// Flutter screen capture state
await Talsec.instance.isScreenCaptureBlocked()
// React Native
import { isScreenCaptureBlocked } from 'freerasp-react-native';
const response = await isScreenCaptureBlocked();
// response: true
// Capacitor
import { isScreenCaptureBlocked } from 'capacitor-freerasp';
const response = await isScreenCaptureBlocked();
//response: true
// Cordova
const response = await talsec.isScreenCaptureBlocked();
//response: trueIn our article we explain how to block screenshots, screen recording, and remote access tools in mobile apps to protect user data. It discusses security threats such as built-in screenshot tools, remote desktop apps like TeamViewer, screen mirroring software, third-party recording apps, and ADB-based access.
