uni-usercapturescrren调整

uni_modules/uni-usercapturescreen/index.d.ts

-type OnUserCaptureScreenCallback = (res?: { errMsg: string }) => void
+declare namespace UniNamespace {
+  type OnUserCaptureScreenCallback = (res?: { errMsg: string }) => void
+}
 
-declare class Uni {
+declare interface Uni {
   /**
    * 监听用户主动截屏事件，用户使用系统截屏按键截屏时触发此事件。
    *
    * 文档: [https://uniapp.dcloud.net.cn/api/system/capture-screen.html#onusercapturescreen](https://uniapp.dcloud.net.cn/api/system/capture-screen.html#onusercapturescreen)
    */
-  onUserCaptureScreen(callback: OnUserCaptureScreenCallback): void;
+  onUserCaptureScreen(callback: UniNamespace.OnUserCaptureScreenCallback): void;
   /**
    * 用户主动截屏事件。取消事件监听。
    *
    * 文档: [https://uniapp.dcloud.net.cn/api/system/capture-screen.html#offusercapturescreen](https://uniapp.dcloud.net.cn/api/system/capture-screen.html#offusercapturescreen)
    */
-  offUserCaptureScreen(callback: OnUserCaptureScreenCallback): void;
+  offUserCaptureScreen(callback: UniNamespace.OnUserCaptureScreenCallback): void;
 }

uni_modules/uni-usercapturescreen/package.json

@@ -34,7 +34,8 @@
 		"uni-ext-api":{
 			"uni": {
 				"onUserCaptureScreen": "onUserCaptureScreen",
-				"offUserCaptureScreen": "offUserCaptureScreen"
+				"offUserCaptureScreen": "offUserCaptureScreen",
+				"setUserCaptureScreen": "setUserCaptureScreen"
 			}
 		},
 		"dependencies": [],

uni_modules/uni-usercapturescreen/utssdk/app-android/index.uts

-
-
-import {
-	getUniActivity
-} from "io.dcloud.uts.android";
-
-
-
+import { UTSAndroid } from "io.dcloud.uts";
 import ActivityCompat from "androidx.core.app.ActivityCompat";
 import Manifest from "android.Manifest";
 import PackageManager from "android.content.pm.PackageManager";
@@ -14,135 +7,139 @@ import FileObserver from "android.os.FileObserver";
 import File from "java.io.File";
 import Environment from "android.os.Environment";
 import System from 'java.lang.System';
-
-
+import WindowManager from 'android.view.WindowManager';
+import { UserCaptureScreenResult, OnUserCaptureScreenResult, SetUserCaptureScreenOptions, UserCaptureScreenCallback, OnUserCaptureScreen, OffUserCaptureScreen, SetUserCaptureScreen } from "../interface.uts";
 
 /**
- * 文件监听器
- */
-let screenOB: ScreenFileObserver | null = null;
+	* 文件监听器
+	*/
+let observer : ScreenFileObserver | null = null;
 /**
- * 记录文件监听器上次监听的时间戳，避免重复监听
- */
-let lastFileObserverTime: number = 0;
+	* 记录文件监听器上次监听的时间戳，避免重复监听
+	*/
+let lastObserverTime : number = 0;
 /**
- * 图片被捕获的实现
- */
-let imageChange: UTSCallback | null = null;
-
-
-
+	* 截屏回调
+	*/
+let listener : UserCaptureScreenCallback | null = null;
 
 /**
- * android 文件监听实现
- */
-
+	* android 文件监听实现
+	*/
 class ScreenFileObserver extends FileObserver {
 
 	/**
-	 * 所有截屏文件的存放目录
-	 */
-	allScreen: File;
+		* 截屏文件目录
+		*/
+	private screenFile : File;
 
-	
-	constructor(screenFile: string) {
-		super(screenFile)
-		this.allScreen = new File(screenFile);
+	constructor(screenFile : File) {
+		super(screenFile);
+		this.screenFile = screenFile;
 	}
 
-
-	override onEvent(event: Int, path?: string): void {
-		
+	override onEvent(event : Int, path : string | null) : void {
 		// 只监听文件新增事件
 		if (event == FileObserver.CREATE) {
-			
-			let newPath: string = new File(this.allScreen, path!).getPath();
-			let currentTime = System.currentTimeMillis();
-
-			if ((currentTime - lastFileObserverTime) < 1000) {
-				// 本地截屏行为比上一次超过1000ms,才认为是一个有效的时间
-				return;
+			if (path != null) {
+				const currentTime = System.currentTimeMillis();
+				if ((currentTime - lastObserverTime) < 1000) {
+					// 本地截屏行为比上一次超过1000ms, 才认为是一个有效的时间
+					return;
+				}
+				lastObserverTime = currentTime;
+
+				const screenShotPath = new File(this.screenFile, path).getPath();
+				const res : OnUserCaptureScreenResult = {
+					errCode: 0,
+					errMsg: "onUserCaptureScreen:ok",
+					errSubject: "uni-onUserCaptureScreen",
+					path: screenShotPath
+				}
+				listener?.(res);
 			}
-			
-			lastFileObserverTime = System.currentTimeMillis()
-			let ret = {
-				errCode:1,
-				image:newPath
-			}
-			
-			imageChange!(ret);
 		}
 	}
 }
 
-
-
-
-
-
-
-
 /**
- * 开启截图监听
- */
-export function onUserCaptureScreen(callback: (res:UTSJSONObject) => void) {
-	
-	// 检查相关权限是否已经具备
-	if (ActivityCompat.checkSelfPermission(getUniActivity()!, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
-		// 不具备权限，申请权限，并且告知用户监听失败
-		ActivityCompat.requestPermissions(getUniActivity()!, arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE), 1001)
-		
+	* 开启截图监听
+	*/
+export const onUserCaptureScreen : OnUserCaptureScreen = function (callback : UserCaptureScreenCallback | null) {
+	// 检查相关权限是否已授予
+	if (ActivityCompat.checkSelfPermission(UTSAndroid.getAppContext()!, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
+		// 无权限，申请权限，并且告知用户监听失败
+		ActivityCompat.requestPermissions(UTSAndroid.getUniActivity()!, arrayOf(Manifest.permission.READ_EXTERNAL_STORAGE), 1001);
 		// 因权限缺失导致监听失败
-		let ret = {
-			errCode:-1
+		const res : OnUserCaptureScreenResult = {
+			errCode: -1,
+			errMsg: "onUserCaptureScreen:permission denied",
+			errSubject: "uni-onUserCaptureScreen"
 		}
-		callback(ret);
-		return ;
+		callback?.(res);
+		return;
 	}
-	
-	imageChange = callback;
 
-	let directory_screenshot: File;
-	// 找到设备存放截屏文件的目录
-	let directory_pictures = new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_PICTURES);
-	let directory_dcim = new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_DCIM);
-	
-	if (Build.MANUFACTURER.lowercase() === "xiaomi") {
-		directory_screenshot = new File(directory_dcim, "Screenshots");
-	} else {
-		directory_screenshot = new File(directory_pictures, "Screenshots");
-	}
-	
-	if (screenOB != null) {
-		screenOB!.stopWatching()
-	}
-	//开始监听
-	screenOB = new ScreenFileObserver(directory_screenshot.path)
-	screenOB!.startWatching()
+	// 更新监听
+	listener = callback;
 
-	// 监听成功
-	let ret = {
-		errCode:0
+	let directory_screenshot : File;
+	if (Build.MANUFACTURER.toLowerCase() === "xiaomi") {
+		// @Suppress("DEPRECATION")
+		directory_screenshot = new File(new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_DCIM), "Screenshots");
+	} else {
+		// @Suppress("DEPRECATION")
+		directory_screenshot = new File(new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_PICTURES), "Screenshots");
 	}
-	callback(ret);
-	
+	// 先结束监听 再开启监听
+	observer?.stopWatching();
+	observer = new ScreenFileObserver(directory_screenshot);
+	observer?.startWatching();
 }
 
-
 /**
- * 关闭截屏监听
- */
-export function offUserCaptureScreen(success: (res: any) => void) {
+	* 关闭截屏监听
+	*/
+export const offUserCaptureScreen : OffUserCaptureScreen = function (_ : UserCaptureScreenCallback | null) {
+	// android10以上，关闭监听通过移除文件监听器实现
+	observer?.stopWatching();
+	observer = null;
+	lastObserverTime = 0;
+}
 
-	// android 10以上，关闭监听通过移除文件监听器实现
-	if (screenOB != null) {
-		screenOB!.stopWatching()
-		screenOB = null
+/**
+	* 设置是否禁止截屏
+	*/
+export const setUserCaptureScreen : SetUserCaptureScreen = function (option : SetUserCaptureScreenOptions) {
+	// 切换到UI线程
+	UTSAndroid.getUniActivity()?.runOnUiThread(new SetUserCaptureScreenRunnable(option.enable));
+	const res : UserCaptureScreenResult = {
+		errCode: 0,
+		errMsg: "setUserCaptureScreen:ok",
+		errSubject: "uni-setUserCaptureScreen"
 	}
-	lastFileObserverTime = 0;
-	
-	success({});
+	option.success?.(res);
+	option.complete?.(res);
 }
 
+class SetUserCaptureScreenRunnable extends Runnable {
 
+	/**
+		* ture: 允许用户截屏
+		* false: 不允许用户截屏，防止用户截屏到应用页面内容
+		*/
+	private enable : boolean;
+
+	constructor(enable : boolean) {
+		super();
+		this.enable = enable;
+	}
 
+	override run() : void {
+		if (this.enable) {
+			UTSAndroid.getUniActivity()?.getWindow()?.clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
+		} else {
+			UTSAndroid.getUniActivity()?.getWindow()?.addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+		}
+	}
+}

uni_modules/uni-usercapturescreen/utssdk/app-ios/index.uts

-import { NotificationCenter} from 'Foundation';
-import { UIApplication } from "UIKit"
-import { OnUserCaptureScreen, OffUserCaptureScreen, UserCaptureScreenCallback, OnUserCaptureScreenResult } from "../interface.uts"
-
-
-/**
- * 定义监听截屏事件工具类
- */
-class CaptureScreenTool {
-	static listener: UserCaptureScreenCallback | null;
-	
-	// 监听截屏
-	static listenCaptureScreen(callback: UserCaptureScreenCallback | null) {
-		this.listener = callback
-		
-		// 注册监听截屏事件及回调方法
-		// target-action 回调方法需要通过 Selector("方法名") 构建
-		const method = Selector("userDidTakeScreenshot")
-		NotificationCenter.default.addObserver(this, selector = method, name = UIApplication.userDidTakeScreenshotNotification, object = null)
-	}
-	
-	// 捕获截屏回调的方法
-	// target-action 的方法前需要添加 @objc 前缀
-	@objc static userDidTakeScreenshot() {
+import { NotificationCenter } from 'Foundation';
+import { CGRect } from "CoreFoundation";
+import { UIApplication, UIView, UITextField, UIScreen, UIDevice } from "UIKit"
+import { UTSiOS } from "DCloudUTSFoundation"
+import { DispatchQueue } from 'Dispatch';
+import { SetUserCaptureScreenOptions, UserCaptureScreenResult, OnUserCaptureScreen, OffUserCaptureScreen, SetUserCaptureScreen, UserCaptureScreenCallback, OnUserCaptureScreenResult } from "../interface.uts"
+
+/**
+	* 定义监听截屏事件工具类
+	*/
+class CaptureScreenTool {
+	static listener : UserCaptureScreenCallback | null;
+	static secureView : UIView | null;
+
+	// 监听截屏
+	static listenCaptureScreen(callback : UserCaptureScreenCallback | null) {
+		this.listener = callback
+ 
+		// 注册监听截屏事件及回调方法
+		// target-action 回调方法需要通过 Selector("方法名") 构建
+		const method = Selector("userDidTakeScreenshot")
+		NotificationCenter.default.addObserver(this, selector = method, name = UIApplication.userDidTakeScreenshotNotification, object = null)
+	}
+
+	// 捕获截屏回调的方法
+	// target-action 的方法前需要添加 @objc 前缀
+	@objc static userDidTakeScreenshot() {
 		// 回调
 		const res: OnUserCaptureScreenResult = {
 			errCode: 0,
 			errSubject: "uni-usercapturescreen",
-			errMsg: "onUserCaptureScreen:ok",
+			errMsg: "onUserCaptureScreen: ok",
 			path: null
-		}
-		this.listener?.(res)
-	}
-	
-	// 移除监听事件
-	static removeListen(callback: UserCaptureScreenCallback | null) {
-		this.listener = null
+		}
+		this.listener?.(res)
+	}
+
+	// 移除监听事件
+	static removeListen(callback : UserCaptureScreenCallback | null) {
+		this.listener = null
 		NotificationCenter.default.removeObserver(this)
-	}
-}
-
+		const res: OnUserCaptureScreenResult = {
+			errCode: 0,
+			errSubject: "uni-usercapturescreen",
+			errMsg: "offUserCaptureScreen: ok",
+			path: null
+		}
+		callback?.(res)
+	}
+
+	static createSecureView() : UIView | null {
+		let field = new UITextField(frame = CGRect.zero)
+		field.isSecureTextEntry = true
+		if (field.subviews.length > 0 && UIDevice.current.systemVersion != '15.1') {
+			let view = field.subviews[0]
+			view.subviews.forEach((item) => {
+				item.removeFromSuperview()
+			})
+			view.isUserInteractionEnabled = true
+			return view
+		}
+		return null
+	}
+
+	// 开启防截屏
+	static onAntiScreenshot(option : SetUserCaptureScreenOptions) {
+		// uts方法默认会在子线程中执行，涉及 UI 操作必须在主线程中运行，通过 DispatchQueue.main.async 方法可将代码在主线程中运行
+		DispatchQueue.main.async(execute = () : void => {
+			let secureView = this.createSecureView()
+			let window = UTSiOS.getKeyWindow()
+			let rootView = window.rootViewController == null ? null : window.rootViewController!.view
+			if (secureView != null && rootView != null) {
+				let rootSuperview = rootView!.superview
+				if (rootSuperview != null) {
+					this.secureView = secureView
+					rootSuperview!.addSubview(secureView!)
+					rootView!.removeFromSuperview()
+					secureView!.addSubview(rootView!)
+					let rect = rootView!.frame
+					secureView!.frame = UIScreen.main.bounds
+					rootView!.frame = rect
+				}
+			}
+			let res: UserCaptureScreenResult = {
+				errCode: 0,
+				errSubject: "uni-usercapturescreen",
+				errMsg: "setUserCaptureScreen:ok"
+			}
+			option.success?.(res)
+			option.complete?.(res)
+		})
+	}
+
+	// 关闭防截屏
+	static offAntiScreenshot(option : SetUserCaptureScreenOptions) {
+		DispatchQueue.main.async(execute = () : void => {
+			if (this.secureView != null) {
+				let window = UTSiOS.getKeyWindow()
+				let rootView = window.rootViewController == null ? null : window.rootViewController!.view
+				if (rootView != null && this.secureView!.superview != null) {
+					let rootSuperview = this.secureView!.superview
+					if (rootSuperview != null) {
+						rootSuperview!.addSubview(rootView!)
+						this.secureView!.removeFromSuperview()
+					}
+				}
+				this.secureView = null
+			}
+			let res: UserCaptureScreenResult = {
+				errCode: 0,
+				errSubject: "uni-usercapturescreen",
+				errMsg: "setUserCaptureScreen:ok"
+			}
+			option.success?.(res)
+			option.complete?.(res)
+		})
+	}
+}
+
 /**
 	* 开启截图监听
 	*/
@@ -51,4 +129,35 @@ export const onUserCaptureScreen : OnUserCaptureScreen = function (callback : Us
 	*/
 export const offUserCaptureScreen : OffUserCaptureScreen = function (callback : UserCaptureScreenCallback | null) {
 	CaptureScreenTool.removeListen(callback)
-}
+}
+
+/**
+	* 开启/关闭防截屏
+	*/
+export const setUserCaptureScreen : SetUserCaptureScreen = function (options : SetUserCaptureScreenOptions) {
+	if (UIDevice.current.systemVersion < "13.0") {
+		let res: UserCaptureScreenResult = {
+			errCode: 12001,
+			errSubject: "uni-usercapturescreen",
+			errMsg: "setUserCaptureScreen:system not support"
+		}
+		options.fail?.(res);
+		options.complete?.(res);
+
+	} else if (UIDevice.current.systemVersion == "15.1") {
+		let res: UserCaptureScreenResult = {
+			errCode: 12010,
+			errSubject: "uni-usercapturescreen",
+			errMsg: "setUserCaptureScreen:system internal error"
+		}
+		options.fail?.(res);
+		options.complete?.(res);
+	} else {
+		if (options.enable == true) {
+			CaptureScreenTool.offAntiScreenshot(options)
+		} else {
+			CaptureScreenTool.onAntiScreenshot(options)
+		}
+	}
+}
+

uni_modules/uni-usercapturescreen/utssdk/interface.uts

-export type OnUserCaptureScreenResult = {
+export type UserCaptureScreenResult = {
 	/**
 		* 错误码
 		* 0:成功
 		* -1:permission denied
+		* 12001:system not support
+		* 12010:system internal error
+		*/
+	errCode : number,
+	/**
+		* 调用API的名称
+		*/
+	errSubject : string,
+	/**
+		* 错误的详细信息
+		*/
+	errMsg : string,
+}
+
+export type OnUserCaptureScreenResult = {
+	/**
+		* 错误码
+		* 0:成功
+		* -1:permission denied（仅Android返回）
 		*/
 	errCode : number,
 	/**
@@ -17,14 +36,33 @@ export type OnUserCaptureScreenResult = {
 		* 截屏文件路径（仅Android返回）
 		*/
 	path : string | null
-}
-
-export type UserCaptureScreenCallback = (res: OnUserCaptureScreenResult) => void
+}
+
+export type SetUserCaptureScreenOptions = {
+	/**
+		* true: 允许用户截屏 false: 不允许用户截屏，防止用户截屏到应用页面内容
+		*/
+	enable : boolean;
+	/**
+		* 接口调用成功的回调函数
+		*/
+	success ?: (res : UserCaptureScreenResult) => void,
+	/**
+		* 接口调用失败的回调函数
+		*/
+	fail ?: (res : UserCaptureScreenResult) => void,
+	/**
+		* 接口调用结束的回调函数（调用成功、失败都会执行）
+		*/
+	complete ?: (res : UserCaptureScreenResult) => void
+}
+
+export type UserCaptureScreenCallback = (res : OnUserCaptureScreenResult) => void
 
 /**
 	* 开启截屏监听 
 	* 
-	* @param {UTSCallback} callback 
+	* @param {UserCaptureScreenCallback} callback 
 	* @tutorial https://uniapp.dcloud.net.cn/api/system/capture-screen.html#onusercapturescreen
 	* @platforms APP-IOS = ^9.0,APP-ANDROID = ^22
 	* @since 3.6.8
@@ -34,9 +72,26 @@ export type OnUserCaptureScreen = (callback : UserCaptureScreenCallback | null)
 /**
 	* 关闭截屏监听  
 	* 
-	* @param {UTSCallback} callback 
+	* @param {UserCaptureScreenCallback} callback 
 	* @tutorial https://uniapp.dcloud.net.cn/api/system/capture-screen.html#offusercapturescreen
 	* @platforms APP-IOS = ^9.0,APP-ANDROID = ^22
 	* @since 3.6.8
 	*/
-export type OffUserCaptureScreen = (callback : UserCaptureScreenCallback | null) => void
\ No newline at end of file
+export type OffUserCaptureScreen = (callback : UserCaptureScreenCallback | null) => void
+
+/**
+	* 设置防截屏  
+	* 
+	* @param {SetUserCaptureScreenOptions} options 
+	* @tutorial https://uniapp.dcloud.net.cn/api/system/capture-screen.html#setusercapturescreen
+	* @platforms APP-IOS = ^9.0,APP-ANDROID = ^22
+	* @since 3.7.3
+	*/
+export type SetUserCaptureScreen = (options : SetUserCaptureScreenOptions) => void
+
+interface uni {
+	onUserCaptureScreen : OnUserCaptureScreen,
+	offUserCaptureScreen : OffUserCaptureScreen,
+	setUserCaptureScreen : SetUserCaptureScreen
+}
+