Android uni-usercapturescreen 语法调整

pages/index/index.vue

@@ -28,7 +28,8 @@
 				title: 'Hello',
 				memListener:null,
 				setUserCaptureScreenFlag: false,
-				setUserCaptureScreenText: '禁止截屏'
+				setUserCaptureScreenText: '禁止截屏',
+				permissionGranted: false
 			}
 		},
 		onLoad() {
@@ -142,13 +143,9 @@
 							// 除android 之外的平台，不需要判断返回状态码
 							if(res.errCode == -1){
 								// 启动失败
+								that.permissionGranted = true;
 								return ;
 							}else if(res.errCode == 0){
-								uni.showToast({
-									icon:"none",
-									title:'截屏监听已开启'
-								})
-							}else {
 								uni.showToast({
 									icon:"none",
 									title:'捕获截屏事件'
@@ -164,7 +161,7 @@
 						}
 				});
 					
-				if (uni.getSystemInfoSync().platform != "android") {
+				if (uni.getSystemInfoSync().platform != "android" || that.permissionGranted) {
 					// 除android 之外的平台，直接提示监听已开启
 					uni.showToast({
 						icon:"none",
@@ -198,13 +195,13 @@
 				uni.setUserCaptureScreen({
 					enable: flag,
 					success: (res) => {
-						console.log("setUserCaptureScreen open: " + flag + " success: " + JSON.stringify(res));
+						console.log("setUserCaptureScreen enable: " + flag + " success: " + JSON.stringify(res));
 					},
 					fail: (res) => {
-						console.log("setUserCaptureScreen open: " + flag + " fail: " + JSON.stringify(res));
+						console.log("setUserCaptureScreen enable: " + flag + " fail: " + JSON.stringify(res));
 					},
 					complete: (res) => {
-						console.log("setUserCaptureScreen open: " + flag + " complete: " + JSON.stringify(res));
+						console.log("setUserCaptureScreen enable: " + flag + " complete: " + JSON.stringify(res));
 					}
 				});
 				uni.showToast({

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

-
-
-import {
-	UTSAndroid
-} from "io.dcloud.uts";
-
-
+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";
@@ -14,167 +8,134 @@ 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 { SetUserCaptureScreenOption, UserCaptureScreenResult, OnUserCaptureScreen, OffUserCaptureScreen, SetUserCaptureScreen } from "../interface.uts";
-
-
+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
- */
-@Suppress("DEPRECATION")
+	* 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(new File(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;
-			}
-			
-			lastFileObserverTime = System.currentTimeMillis()
-			let ret = {
-				errCode:1,
-				image:newPath
+			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);
 			}
-			
-			imageChange!(ret);
 		}
 	}
 }
 
-
-
-
-
-
-
-
 /**
- * 开启截图监听
- */
-@Suppress("DEPRECATION")
-export const onUserCaptureScreen : OnUserCaptureScreen = function (callback : UTSCallback) {
-	
-	// 检查相关权限是否已经具备
-	if (ActivityCompat.checkSelfPermission(UTSAndroid.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(UTSAndroid.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);
-	
+	// 更新监听
+	listener = callback;
+
+	let directory_screenshot : File;
 	if (Build.MANUFACTURER.toLowerCase() === "xiaomi") {
-		directory_screenshot = new File(directory_dcim, "Screenshots");
+		// @Suppress("DEPRECATION")
+		directory_screenshot = new File(new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_DCIM), "Screenshots");
 	} else {
-		directory_screenshot = new File(directory_pictures, "Screenshots");
+		// @Suppress("DEPRECATION")
+		directory_screenshot = new File(new File(Environment.getExternalStorageDirectory(), Environment.DIRECTORY_PICTURES), "Screenshots");
 	}
-	
-	if (screenOB != null) {
-		screenOB!.stopWatching()
-	}
-	//开始监听
-	screenOB = new ScreenFileObserver(directory_screenshot.path)
-	screenOB!.startWatching()
-
-	// 监听成功
-	let ret = {
-		errCode:0
-	}
-	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 const offUserCaptureScreen : OffUserCaptureScreen = function (callback : UTSCallback) {
-
-	// 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
-	}
-	lastFileObserverTime = 0;
-	
-	callback({});
+	* 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;
 }
 
 /**
- * 设置是否禁止截屏
- */
-export const setUserCaptureScreen : SetUserCaptureScreen = function (option: SetUserCaptureScreenOption) {
+	* 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 = new UserCaptureScreenResult();
-	res.errCode = 0;
-	res.errMsg = "setUserCaptureScreen:ok";
-	res.errSubject = "uni-setUserCaptureScreen";
+	const res : UserCaptureScreenResult = {
+		errCode: 0,
+		errMsg: "setUserCaptureScreen:ok",
+		errSubject: "uni-setUserCaptureScreen"
+	}
 	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;
+		* 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) {
+	constructor(enable : boolean) {
 		super();
 		this.enable = enable;
 	}
 
-	override run(): void {
+	override run() : void {
 		if (this.enable) {
 			UTSAndroid.getUniActivity()?.getWindow()?.clearFlags(WindowManager.LayoutParams.FLAG_SECURE);
 		} else {
@@ -182,6 +143,3 @@ class SetUserCaptureScreenRunnable extends Runnable {
 		}
 	}
 }
-
-
-

uni_modules/uni-usercapturescreen/utssdk/interface.uts

@@ -16,7 +16,28 @@ export type UserCaptureScreenResult = {
 	errMsg : string,
 }
 
-export type SetUserCaptureScreenOption = {
+export type OnUserCaptureScreenResult = {
+	/**
+		* 错误码
+		* 0:成功
+		* -1:permission denied（仅Android返回）
+		*/
+	errCode : number,
+	/**
+		* 调用API的名称
+		*/
+	errSubject : string,
+	/**
+		* 错误的详细信息
+		*/
+	errMsg : string,
+	/**
+		* 截屏文件路径（仅Android返回）
+		*/
+	path : string | null
+}
+
+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
 		*/
@@ -35,25 +56,27 @@ export type SetUserCaptureScreenOption = {
 	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
 	*/
-export type OnUserCaptureScreen = (callback ?: UTSCallback) => void
+export type OnUserCaptureScreen = (callback : UserCaptureScreenCallback | null) => void
 
 /**
 	* 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 ?: UTSCallback) => void
+export type OffUserCaptureScreen = (callback : UserCaptureScreenCallback | null) => void
 
 /**
 	* 设置防截屏  
@@ -63,11 +86,10 @@ export type OffUserCaptureScreen = (callback ?: UTSCallback) => void
 	* @platforms APP-IOS = ^9.0,APP-ANDROID = ^22
 	* @since 3.7.3
 	*/
-export type SetUserCaptureScreen = (options : SetUserCaptureScreenOption) => void
+export type SetUserCaptureScreen = (options : SetUserCaptureScreenOptions) => void
 
 interface uni {
 	onUserCaptureScreen : OnUserCaptureScreen,
 	offUserCaptureScreen : OffUserCaptureScreen,
 	setUserCaptureScreen : SetUserCaptureScreen
-}
-
+}