react-native-screenshot-prevent

$3

$3

$3

#### For now you might disable RNPreventScreenshot.enableSecureView() in development mode (check __DEV__ variable)
#### because disableSecureView() is not working yet correctly

Getting started

$ npm install react-native-screenshot-prevent --save

$3

$3

$ react-native link react-native-screenshot-prevent

$3

#### iOS

1. In XCode, in the project navigator, right click Libraries ➜ Add Files to [your project's name]
2. Go to node_modules ➜ react-native-screenshot-prevent and add RNScreenshotPrevent.xcodeproj
3. In XCode, in the project navigator, select your project. Add libRNScreenshotPrevent.a to your project's Build Phases ➜ Link Binary With Libraries
4. Run your project (Cmd+R)<

#### Android

1. Open up android/app/src/main/java/[...]/MainApplication.java
- Add import com.killserver.screenshotprev.RNScreenshotPreventPackage; to the imports at the top of the file
- Add new RNScreenshotPreventPackage() to the list returned by the getPackages() method
2. Append the following lines to android/settings.gradle:
``
include ':react-native-screenshot-prevent'
project(':react-native-screenshot-prevent').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-screenshot-prevent/android')
`
3. Insert the following lines inside the dependencies block in android/app/build.gradle:
`
implementation project(':react-native-screenshot-prevent')
`

Usage

`javascript

// sample code

import RNScreenshotPrevent, { addListener } from 'react-native-screenshot-prevent';

/* (IOS, Android) for android might be the only step to get secureView
* on IOS enables blurry view when app goes into inactive state
*/
RNScreenshotPrevent.enabled(true/false);

/* (IOS) enableSecureView for IOS13+
* creates a hidden secureTextField which prevents Application UI capture on screenshots
*/
if(!__DEV__) RNScreenshotPrevent.enableSecureView();

/* (IOS) enableSecureView for IOS13+
* creates a hidden secureTextField which prevents Application UI capture on screenshots
* and uses imgUri as the source of the background image (can be both https://, file:///)
*/
if(!__DEV__) RNPreventScreenshot.enableSecureView(imgUri);

/* (IOS) disableSecureView for IOS13+
* remove a hidden secureTextField which prevents Application UI capture on screenshots
*/
if(!__DEV__) RNScreenshotPrevent.disableSecureView();

/* (IOS) notification handler
* notifies when user has taken screenshot (yes, after taking) - you can show alert or do some actions
*
* @param {function} callback fn
* @returns object with .remove() method
*/
addListener(fn);

/* example using the listener /
useEffect(() => {
const subscription = RNScreenshotPrevent.addListener(() => {
console.log('Screenshot taken');
showAlert({
title: 'Warning',
message: 'You have taken a screenshot of the app. This is prohibited due to security reasons.',
confirmText: 'I understand'
});
})

return () => {
subscription.remove();
}
}, []);

``