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2025-10-22 04:04:02 +08:00
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// Index.ets
import { BusinessError } from '@kit.BasicServicesKit';
import { Want } from '@kit.AbilityKit';
@Entry
@Component
struct Index {
@State message: string = 'MDM相机控制';
@State cameraStatus: string = '未知';
@State isAdminActive: boolean = false;
aboutToAppear(): void {
// 初始化时检查管理权限状态
this.checkAdminStatus();
}
// 检查设备管理权限是否已激活
checkAdminStatus(): void {
try {
// 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
// 由于API限制这里仅作演示
console.info('Checking admin status');
// this.isAdminActive = deviceManager.isAdminActive();
} catch (error) {
console.error(`Failed to check admin status: ${error}`);
}
}
// 激活设备管理应用
activateAdmin(): void {
console.info('Attempting to activate admin');
// 实际应用中需要实现完整的激活流程
// 通常会跳转到系统设置页面请求激活
this.isAdminActive = true;
this.cameraStatus = '已启用';
}
// 切换相机状态
toggleCamera(): void {
if (!this.isAdminActive) {
console.warn('Admin is not active, cannot toggle camera');
this.message = '请先激活管理应用';
return;
}
console.info('Toggling camera status');
// 在实际应用中这里会调用EnterpriseAdminExtensionAbility中的方法
// 来控制相机的启用/禁用状态
if (this.cameraStatus === '已启用') {
// 禁用相机
try {
// 这里应该调用EnterpriseAdminExtensionAbility中的方法
// restrictions.setRestriction(..., "camera", true);
this.cameraStatus = '已禁用';
this.message = '相机已禁用';
} catch (error) {
console.error(`Failed to disable camera: ${error}`);
this.message = '禁用相机失败';
}
} else {
// 启用相机
try {
// 这里应该调用EnterpriseAdminExtensionAbility中的方法
// restrictions.setRestriction(..., "camera", false);
this.cameraStatus = '已启用';
this.message = '相机已启用';
} catch (error) {
console.error(`Failed to enable camera: ${error}`);
this.message = '启用相机失败';
}
}
}
build() {
Row() {
Column() {
Text(this.message)
.fontSize(40)
.fontWeight(FontWeight.Bold)
.textAlign(TextAlign.Center)
// 显示管理权限状态
Text('管理权限: ' + (this.isAdminActive ? '已激活' : '未激活'))
.fontSize(20)
.fontColor(this.isAdminActive ? Color.Green : Color.Red)
.margin({ top: 20 })
// 显示相机状态
Text('相机状态: ' + this.cameraStatus)
.fontSize(20)
.fontColor(this.cameraStatus === '已启用' ? Color.Green : Color.Red)
.margin({ top: 10 })
// 切换相机状态按钮
Button() {
Text('切换相机状态')
.fontSize(25)
.fontWeight(FontWeight.Bold)
}
.type(ButtonType.Capsule)
.margin({
top: 30
})
.backgroundColor('#0D9FFB')
.width('80%')
.height('8%')
.onClick(() => {
this.toggleCamera();
})
// 激活管理应用按钮
Button() {
Text('激活管理应用')
.fontSize(25)
.fontWeight(FontWeight.Bold)
}
.type(ButtonType.Capsule)
.margin({
top: 20
})
.backgroundColor('#4CAF50')
.width('80%')
.height('8%')
.onClick(() => {
this.activateAdmin();
})
// 添加按钮以响应用户onClick事件
Button() {
Text('Next')
.fontSize(25)
.fontWeight(FontWeight.Bold)
}
.type(ButtonType.Capsule)
.margin({
top: 30
})
.backgroundColor('#0D9FFB')
.width('40%')
.height('8%')
// 跳转按钮绑定onClick事件单击时跳转到第二页
.onClick(() => {
console.info(`Succeeded in clicking the 'Next' button.`)
// 获取UIContext
let uiContext: UIContext = this.getUIContext();
let router = uiContext.getRouter();
// 跳转到第二页
router.pushUrl({ url: 'pages/Second' }).then(() => {
console.info('Succeeded in jumping to the second page.')
}).catch((err: BusinessError) => {
console.error(`Failed to jump to the second page. Code is ${err.code}, message is ${err.message}`)
})
})
}
.width('100%')
.padding(20)
}
.height('100%')
.backgroundColor('#f0f0f0')
}
}