feat: 视频水印固定位置显示；允许截屏禁止录屏

uni_modules/yb-screen-capture/utssdk/app-android/index.uts

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+import { UTSAndroid } from "io.dcloud.uts";
+import PixelCopy from "android.view.PixelCopy";
+import OnPixelCopyFinishedListener from "android.view.PixelCopy.OnPixelCopyFinishedListener";
+import Bitmap from "android.graphics.Bitmap";
+import Canvas from "android.graphics.Canvas";
+import Handler from "android.os.Handler";
+import Looper from "android.os.Looper";
+import Build from "android.os.Build";
+import ByteArrayOutputStream from "java.io.ByteArrayOutputStream";
+import Base64 from "android.util.Base64";
+import {
+	CaptureScreen,
+	CaptureScreenOptions,
+	CaptureScreenSuccess,
+	CaptureScreenFail
+} from "../interface.uts";
+
+/**
+	* 将 Bitmap 压缩为 JPEG 并编码为 data URL 形式的 base64
+	*/
+function encodeBitmapToBase64(bitmap : Bitmap) : string {
+	const baos = new ByteArrayOutputStream();
+	bitmap.compress(Bitmap.CompressFormat.JPEG, 80, baos);
+	const bytes = baos.toByteArray();
+	const base64 = Base64.encodeToString(bytes, Base64.NO_WRAP);
+	bitmap.recycle();
+	return "data:image/jpeg;base64," + base64;
+}
+
+/**
+	* PixelCopy 完成监听器
+	*/
+class PixelCopyListener extends OnPixelCopyFinishedListener {
+
+	private bitmap : Bitmap;
+	private options : CaptureScreenOptions;
+
+	constructor(bitmap : Bitmap, options : CaptureScreenOptions) {
+		super();
+		this.bitmap = bitmap;
+		this.options = options;
+	}
+
+	override onPixelCopyFinished(copyResult : Int) : void {
+		if (copyResult == PixelCopy.SUCCESS) {
+			const base64 = encodeBitmapToBase64(this.bitmap);
+			const res : CaptureScreenSuccess = { base64: base64 };
+			this.options.success?.(res);
+			this.options.complete?.(res);
+		} else {
+			this.bitmap.recycle();
+			const res : CaptureScreenFail = {
+				errCode: 12010,
+				errMsg: "captureScreen:fail PixelCopy copyResult=" + copyResult
+			};
+			this.options.fail?.(res);
+			this.options.complete?.(res);
+		}
+	}
+}
+
+/**
+	* 在 UI 线程执行实际截图
+	*/
+class CaptureRunnable extends Runnable {
+
+	private options : CaptureScreenOptions;
+
+	constructor(options : CaptureScreenOptions) {
+		super();
+		this.options = options;
+	}
+
+	override run() : void {
+		try {
+			const activity = UTSAndroid.getUniActivity();
+			if (activity == null) {
+				const res : CaptureScreenFail = { errCode: 12010, errMsg: "captureScreen:fail activity is null" };
+				this.options.fail?.(res);
+				this.options.complete?.(res);
+				return;
+			}
+			// 注意：UTS 中 getWindow() 返回可空类型，必须用 ! 断言，否则编译失败
+			const window = activity!.getWindow()!;
+			const decorView = window.getDecorView()!;
+			const width = decorView.getWidth();
+			const height = decorView.getHeight();
+			if (width <= 0 || height <= 0) {
+				const res : CaptureScreenFail = { errCode: 12010, errMsg: "captureScreen:fail invalid window size" };
+				this.options.fail?.(res);
+				this.options.complete?.(res);
+				return;
+			}
+
+			const bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+
+			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+				// Android 8.0+：使用 PixelCopy 可以正确截取 SurfaceView/视频等硬件加速画面
+				const handler = new Handler(Looper.getMainLooper());
+				PixelCopy.request(window, bitmap, new PixelCopyListener(bitmap, this.options), handler);
+			} else {
+				// 低版本降级：仅能截取 View 层级内容，视频区域可能为黑屏
+				const canvas = new Canvas(bitmap);
+				decorView.draw(canvas);
+				const base64 = encodeBitmapToBase64(bitmap);
+				const res : CaptureScreenSuccess = { base64: base64 };
+				this.options.success?.(res);
+				this.options.complete?.(res);
+			}
+		} catch (e) {
+			const res : CaptureScreenFail = { errCode: 12010, errMsg: "captureScreen:fail " + e.toString() };
+			this.options.fail?.(res);
+			this.options.complete?.(res);
+		}
+	}
+}
+
+export const captureScreen : CaptureScreen = function (options : CaptureScreenOptions) {
+	const activity = UTSAndroid.getUniActivity();
+	if (activity == null) {
+		const res : CaptureScreenFail = { errCode: 12010, errMsg: "captureScreen:fail activity is null" };
+		options.fail?.(res);
+		options.complete?.(res);
+		return;
+	}
+	activity!.runOnUiThread(new CaptureRunnable(options));
+}

uni_modules/yb-screen-capture/utssdk/interface.uts

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+/**
+	* uni.captureScreen 成功回调参数
+	*/
+export type CaptureScreenSuccess = {
+	/**
+		* 截图结果，格式为 data URL：data:image/jpeg;base64,xxxx
+		*/
+	base64 : string
+}
+
+/**
+	* uni.captureScreen 成功回调函数定义
+	*/
+export type CaptureScreenSuccessCallback = (res : CaptureScreenSuccess) => void
+
+/**
+	* uni.captureScreen 失败回调参数
+	*/
+export type CaptureScreenFail = {
+	errCode : number,
+	errMsg : string
+}
+
+/**
+	* uni.captureScreen 失败回调函数定义
+	*/
+export type CaptureScreenFailCallback = (res : CaptureScreenFail) => void
+
+/**
+	* uni.captureScreen 完成回调函数定义（成功、失败都会执行）
+	*/
+export type CaptureScreenCompleteCallback = (res : any) => void
+
+/**
+	* uni.captureScreen 参数
+	*/
+export type CaptureScreenOptions = {
+	/**
+		* 接口调用成功的回调函数
+		*/
+	success ?: CaptureScreenSuccessCallback,
+	/**
+		* 接口调用失败的回调函数
+		*/
+	fail ?: CaptureScreenFailCallback,
+	/**
+		* 接口调用结束的回调函数（调用成功、失败都会执行）
+		*/
+	complete ?: CaptureScreenCompleteCallback
+}
+
+export type CaptureScreen = (options : CaptureScreenOptions) => void
+
+export interface Uni {
+	/**
+	 * 截取当前应用窗口画面（含视频等硬件加速渲染内容），通过 base64 返回。
+	 * 仅 App-Android 生效，基于 Android PixelCopy 实现。
+	 *
+	 * @param {CaptureScreenOptions} options
+	 * @uniPlatform {
+	 *    "app": {
+	 *        "android": {
+	 *            "osVer": "8.0",
+	 *            "uniVer": "3.7.7",
+	 *            "unixVer": "3.9.0"
+	 *        }
+	 *    }
+	 * }
+	 * @uniVersion 3.7.7
+	 * @uniVueVersion 2,3
+	 */
+	captureScreen(options : CaptureScreenOptions) : void
+}