MDM demo
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162
entry/src/main/ets/pages/Index.ets
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162
entry/src/main/ets/pages/Index.ets
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// Index.ets
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import { BusinessError } from '@kit.BasicServicesKit';
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import { Want } from '@kit.AbilityKit';
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@Entry
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@Component
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struct Index {
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@State message: string = 'MDM相机控制';
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@State cameraStatus: string = '未知';
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@State isAdminActive: boolean = false;
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aboutToAppear(): void {
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// 初始化时检查管理权限状态
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this.checkAdminStatus();
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}
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// 检查设备管理权限是否已激活
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checkAdminStatus(): void {
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try {
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// 在实际应用中,这里需要检查当前应用是否已被激活为设备管理器
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// 由于API限制,这里仅作演示
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console.info('Checking admin status');
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// this.isAdminActive = deviceManager.isAdminActive();
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} catch (error) {
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console.error(`Failed to check admin status: ${error}`);
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}
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}
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// 激活设备管理应用
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activateAdmin(): void {
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console.info('Attempting to activate admin');
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// 实际应用中需要实现完整的激活流程
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// 通常会跳转到系统设置页面请求激活
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this.isAdminActive = true;
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this.cameraStatus = '已启用';
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}
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// 切换相机状态
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toggleCamera(): void {
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if (!this.isAdminActive) {
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console.warn('Admin is not active, cannot toggle camera');
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this.message = '请先激活管理应用';
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return;
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}
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console.info('Toggling camera status');
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// 在实际应用中,这里会调用EnterpriseAdminExtensionAbility中的方法
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// 来控制相机的启用/禁用状态
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if (this.cameraStatus === '已启用') {
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// 禁用相机
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try {
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// 这里应该调用EnterpriseAdminExtensionAbility中的方法
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// restrictions.setRestriction(..., "camera", true);
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this.cameraStatus = '已禁用';
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this.message = '相机已禁用';
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} catch (error) {
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console.error(`Failed to disable camera: ${error}`);
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this.message = '禁用相机失败';
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}
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} else {
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// 启用相机
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try {
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// 这里应该调用EnterpriseAdminExtensionAbility中的方法
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// restrictions.setRestriction(..., "camera", false);
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this.cameraStatus = '已启用';
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this.message = '相机已启用';
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} catch (error) {
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console.error(`Failed to enable camera: ${error}`);
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this.message = '启用相机失败';
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}
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}
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}
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build() {
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Row() {
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Column() {
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Text(this.message)
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.fontSize(40)
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.fontWeight(FontWeight.Bold)
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.textAlign(TextAlign.Center)
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// 显示管理权限状态
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Text('管理权限: ' + (this.isAdminActive ? '已激活' : '未激活'))
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.fontSize(20)
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.fontColor(this.isAdminActive ? Color.Green : Color.Red)
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.margin({ top: 20 })
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// 显示相机状态
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Text('相机状态: ' + this.cameraStatus)
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.fontSize(20)
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.fontColor(this.cameraStatus === '已启用' ? Color.Green : Color.Red)
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.margin({ top: 10 })
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// 切换相机状态按钮
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Button() {
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Text('切换相机状态')
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.fontSize(25)
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.fontWeight(FontWeight.Bold)
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}
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.type(ButtonType.Capsule)
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.margin({
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top: 30
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})
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.backgroundColor('#0D9FFB')
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.width('80%')
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.height('8%')
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.onClick(() => {
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this.toggleCamera();
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})
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// 激活管理应用按钮
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Button() {
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Text('激活管理应用')
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.fontSize(25)
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.fontWeight(FontWeight.Bold)
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}
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.type(ButtonType.Capsule)
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.margin({
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top: 20
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})
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.backgroundColor('#4CAF50')
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.width('80%')
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.height('8%')
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.onClick(() => {
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this.activateAdmin();
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})
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// 添加按钮,以响应用户onClick事件
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Button() {
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Text('Next')
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.fontSize(25)
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.fontWeight(FontWeight.Bold)
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}
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.type(ButtonType.Capsule)
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.margin({
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top: 30
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})
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.backgroundColor('#0D9FFB')
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.width('40%')
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.height('8%')
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// 跳转按钮绑定onClick事件,单击时跳转到第二页
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.onClick(() => {
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console.info(`Succeeded in clicking the 'Next' button.`)
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// 获取UIContext
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let uiContext: UIContext = this.getUIContext();
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let router = uiContext.getRouter();
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// 跳转到第二页
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router.pushUrl({ url: 'pages/Second' }).then(() => {
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console.info('Succeeded in jumping to the second page.')
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}).catch((err: BusinessError) => {
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console.error(`Failed to jump to the second page. Code is ${err.code}, message is ${err.message}`)
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})
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})
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}
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.width('100%')
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.padding(20)
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}
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.height('100%')
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.backgroundColor('#f0f0f0')
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}
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}
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