flutter pub add screen_protector基于插件公开信息、社区数据与项目使用情况整理的选型参考。
屏幕保护程序是一个Flutter包，可在Android和iOS上防止应用在后台运行时未经授权的截图，从而保护敏感数据。它利用平台特定机制检测并阻止截图尝试，降低数据泄露风险。适用于处理机密信息（如银行、医疗或安全消息）的应用程序，无需复杂实现即可增强安全性。该包可通过简单的pub add命令无缝集成到Flutter项目中。
以下为关联源码仓库的 README 原文快照，最新内容请访问源码仓库。
Safe Data Leakage via Application Background Screenshot and Prevent Screenshot for Android and iOS.
Versions 1.4.4 through 1.4.13 may cause crashes on some devices. Please use version 1.4.3 or earlier, or upgrade to version 1.5.1 or later.
import 'package:screen_protector/screen_protector.dart';
await ScreenProtector.protectDataLeakageWithImage('LaunchImage');
await ScreenProtector.protectDataLeakageWithColor(Colors.white);
await ScreenProtector.protectDataLeakageWithColorOff();
await ScreenProtector.protectDataLeakageWithBlur();
await ScreenProtector.protectDataLeakageWithBlurOff();
await ScreenProtector.preventScreenshotOn();
await ScreenProtector.preventScreenshotOff();
final isRecording = await ScreenProtector.isRecording();
await ScreenProtector.protectDataLeakageOn();
or
await ScreenProtector.preventScreenshotOn();
await ScreenProtector.protectDataLeakageOff();
or
await ScreenProtector.preventScreenshotOff();
https://github.com/prongbang/screen-protector
import com.prongbang.screenprotect.AndroidScreenProtector
class MainActivity : FlutterFragmentActivity() {
private val screenProtector by lazy { AndroidScreenProtector.newInstance(this) }
// For Android 12+
override fun onWindowFocusChanged(hasFocus: Boolean) {
super.onWindowFocusChanged(hasFocus)
screenProtector.process(hasFocus.not())
}
}
import 'package:screen_protector/screen_protector.dart';
class _PreventScreenshotPageState extends State<MyApp> {
void _preventScreenshotOn() async => await ScreenProtector.protectDataLeakageOn();
void _protectDataLeakageOff() async => await ScreenProtector.protectDataLeakageOff();
@override
void initState() {
_preventScreenshotOn();
super.initState();
}
@override
void dispose() {
_protectDataLeakageOff();
super.dispose();
}
}
import 'package:screen_protector/screen_protector.dart';
class _PreventScreenshotPageState extends State<MyApp> {
void _preventScreenshotOn() async => await ScreenProtector.preventScreenshotOn();
void _preventScreenshotOff() async => await ScreenProtector.preventScreenshotOff();
@override
void initState() {
_preventScreenshotOn();
super.initState();
}
@override
void dispose() {
_preventScreenshotOff();
super.dispose();
}
}
import 'package:screen_protector/screen_protector.dart';
class _ProtectDataLeakagePageState extends State<MyApp> {
void _protectDataLeakageWithColor() async => await ScreenProtector.protectDataLeakageWithColor(Colors.white);
@override
void initState() {
_protectDataLeakageWithColor();
super.initState();
}
}
import 'package:screen_protector/screen_protector.dart';
class _ProtectDataLeakagePageState extends State<MyApp> {
void _protectDataLeakageWithImage() async => await ScreenProtector.protectDataLeakageWithImage('LaunchImage');
@override
void initState() {
_protectDataLeakageWithImage();
super.initState();
}
}
import 'package:screen_protector/screen_protector.dart';
class _ProtectDataLeakagePageState extends State<MyApp> {
void _protectDataLeakageWithBlur() async => await ScreenProtector.protectDataLeakageWithBlur();
@override
void initState() {
_protectDataLeakageWithBlur();
super.initState();
}
}
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