展示全屏截图和屏幕局部截图。通过[screenshot]模块实现屏幕截图 ,通过[window]模块实现隐私窗口切换,通过[display]模块查询当前隐私窗口。
效果预览
全屏截图 | 局部截图选择区域 | 局部截图 |
---|---|---|
使用说明:
- 点击右上角图标打开弹窗,选择截屏,展示全屏截图;选择局部截屏,选择截屏区域,点击右下角完成,展示局部截屏;
- 点击滑块切换窗口隐私模式,隐私模式下截屏会弹出提示,拒绝截屏。
具体实现
本示例通过screenshot接口实现屏幕截图 ,通过window接口实现隐私窗口切换,通过display接口查询当前隐私窗口。
- 源码链接:[Screenshot.ets]
/** Copyright (c) 2022 Huawei Device Co., Ltd.* Licensed under the Apache License, Version 2.0 (the "License");* you may not use this file except in compliance with the License.* You may obtain a copy of the License at** http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/import screenshot from '@ohos.screenshot'import { Logger } from './Logger'import { getCurrentWindow } from './WindowPrivacy'// 屏幕截图 默认参数screenshotOptions为空时 截全屏export function getScreenshot(screenshotOption = {}) {return screenshot.save(screenshotOption)}// 设置全屏展示 isFullScreen: booleanexport function setFullScreen(context: Context, isFullScreen: boolean) {getCurrentWindow(context).then(res => {res.setFullScreen(isFullScreen, (err) => {if (err.code) {Logger.error('failed set full-screen mode cause: ' + JSON.stringify(err))return}Logger.info('success set full-screen mode')})})}
- [WindowPrivacy.ets]
/** Copyright (c) 2022 Huawei Device Co., Ltd.* Licensed under the Apache License, Version 2.0 (the "License");* you may not use this file except in compliance with the License.* You may obtain a copy of the License at** http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an "AS IS" BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/import window from '@ohos.window'import display from '@ohos.display'import { ResponseData } from '../models/ResponseData'import { Logger } from './Logger'// 获取当前窗口export function getCurrentWindow(context: Context) {return window.getTopWindow(context)}// 判断隐私窗口export function hasPrivate(): ResponseData {let currentDisplay = nulltry {currentDisplay = display.getDefaultDisplaySync()} catch (exception) {return { status: 'failed', errorMessage: JSON.stringify(exception) }}if (currentDisplay === null) {return { status: 'failed', errorMessage: 'get current display failed' }}let ret = undefinedtry {ret = display.hasPrivateWindow(currentDisplay.id)} catch (exception) {return { status: 'failed', errorMessage: JSON.stringify(exception) }}if (ret === undefined) {return { status: 'failed', errorMessage: 'ret is undefined' }}return ret ? { status: 'success', errorMessage: '', result: true } :{ status: 'success', errorMessage: '', result: false }}// 设置隐私窗口export function setWindowPrivacyMode(context: Context, windowPrivacyMode: boolean) {let currentWindow = nullgetCurrentWindow(context).then(res => {currentWindow = restry {currentWindow.setWindowPrivacyMode(windowPrivacyMode, (err) => {if (err.code) {Logger.error('set window privacy mode failed cause: ' + JSON.stringify(err))return}Logger.info(`set window privacy mode success ${windowPrivacyMode}`)})} catch (exception) {Logger.info('set window mode failed cause: ' + JSON.stringify(exception))}})}
鸿蒙OpenHarmony知识已更新←前往