MDM demo

entry/src/main/ets/entryability/EntryAbility.ets

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+import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { window } from '@kit.ArkUI';
+
+const DOMAIN = 0x0000;
+
+export default class EntryAbility extends UIAbility {
+  onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
+    try {
+      this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
+    } catch (err) {
+      hilog.error(DOMAIN, 'testTag', 'Failed to set colorMode. Cause: %{public}s', JSON.stringify(err));
+    }
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onCreate');
+  }
+
+  onDestroy(): void {
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onDestroy');
+  }
+
+  onWindowStageCreate(windowStage: window.WindowStage): void {
+    // Main window is created, set main page for this ability
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageCreate');
+
+    windowStage.loadContent('pages/Index', (err) => {
+      if (err.code) {
+        hilog.error(DOMAIN, 'testTag', 'Failed to load the content. Cause: %{public}s', JSON.stringify(err));
+        return;
+      }
+      hilog.info(DOMAIN, 'testTag', 'Succeeded in loading the content.');
+    });
+  }
+
+  onWindowStageDestroy(): void {
+    // Main window is destroyed, release UI related resources
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onWindowStageDestroy');
+  }
+
+  onForeground(): void {
+    // Ability has brought to foreground
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onForeground');
+  }
+
+  onBackground(): void {
+    // Ability has back to background
+    hilog.info(DOMAIN, 'testTag', '%{public}s', 'Ability onBackground');
+  }
+}

entry/src/main/ets/entrybackupability/EntryBackupAbility.ets

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+import { hilog } from '@kit.PerformanceAnalysisKit';
+import { BackupExtensionAbility, BundleVersion } from '@kit.CoreFileKit';
+
+const DOMAIN = 0x0000;
+
+export default class EntryBackupAbility extends BackupExtensionAbility {
+  async onBackup() {
+    hilog.info(DOMAIN, 'testTag', 'onBackup ok');
+    await Promise.resolve();
+  }
+
+  async onRestore(bundleVersion: BundleVersion) {
+    hilog.info(DOMAIN, 'testTag', 'onRestore ok %{public}s', JSON.stringify(bundleVersion));
+    await Promise.resolve();
+  }
+}

entry/src/main/ets/extensionability/EnterpriseAdminExtensionAbility.ets

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+import { EnterpriseAdminExtensionAbility } from '@kit.MDMKit';
+import { Want } from '@kit.AbilityKit';
+import { restrictions } from '@kit.MDMKit';
+
+export default class EnterpriseAdminAbility extends EnterpriseAdminExtensionAbility {
+  // 设备管理应用激活回调方法，应用可在此回调函数中进行初始化策略设置
+  onAdminEnabled(): void {
+    console.info("onAdminEnabled");
+    try {
+      // 默认启用相机限制功能（即禁用相机）
+      // 注意：在实际应用中，需要传入正确的admin参数
+      // restrictions.setRestriction(admin, "camera", true);
+      console.info("Camera would be disabled by default on admin enabled");
+    } catch (error) {
+      console.error(`Failed to set default camera restriction: ${error}`);
+    }
+  }
+
+  // 设备管理应用解除激活回调方法，应用可在此回调函数中通知企业管理员设备已脱管
+  onAdminDisabled(): void {
+    console.info("onAdminDisabled");
+    try {
+      // 解除激活时，移除相机限制
+      // restrictions.setRestriction(admin, "camera", false);
+      console.info("Camera restriction would be removed on admin disabled");
+    } catch (error) {
+      console.error(`Failed to remove camera restriction: ${error}`);
+    }
+  }
+
+  // 应用安装回调方法，应用可在此回调函数中进行事件上报，通知企业管理员
+  onBundleAdded(bundleName: string): void {
+    console.info("EnterpriseAdminAbility onBundleAdded bundleName:" + bundleName);
+  }
+
+  // 应用卸载回调方法，应用可在此回调函数中进行事件上报，通知企业管理员
+  onBundleRemoved(bundleName: string): void {
+    console.info("EnterpriseAdminAbility onBundleRemoved bundleName" + bundleName);
+  }
+
+  // 控制相机功能
+  setCameraDisabled(admin: Want, disabled: boolean): void {
+    try {
+      // 在实际应用中应使用正确的API
+      // restrictions.setRestriction(admin, "camera", disabled);
+      console.info(`Camera restriction would be set to ${disabled}`);
+    } catch (error) {
+      console.error(`Failed to set camera restriction: ${error}`);
+    }
+  }
+
+  // 获取相机当前状态
+  isCameraDisabled(admin: Want): boolean {
+    try {
+      // 在实际应用中应使用正确的API
+      // const disabled = restrictions.isRestrictionSet(admin, "camera");
+      console.info(`Camera restriction status would be checked`);
+      return false;
+    } catch (error) {
+      console.error(`Failed to get camera restriction: ${error}`);
+      return false;
+    }
+  }
+};

entry/src/main/ets/pages/Index.ets

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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')
+  }
+}

entry/src/main/ets/pages/Second.ets

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+// Second.ets
+import { BusinessError } from '@kit.BasicServicesKit';
+
+@Entry
+@Component
+struct Second {
+  @State message: string = 'MDM相机控制说明';
+
+  build() {
+    Row() {
+      Column() {
+        Text(this.message)
+          .fontSize(40)
+          .fontWeight(FontWeight.Bold)
+          .textAlign(TextAlign.Center)
+        
+        // 添加说明文本
+        Text('此应用为设备管理应用，可用于控制设备的相机功能。')
+          .fontSize(20)
+          .margin({ top: 30 })
+          .textAlign(TextAlign.Center)
+        
+        Text('功能说明：\n\n' +
+             '1. 激活管理应用：获取设备管理权限\n' +
+             '2. 切换相机状态：启用或禁用设备相机\n' +
+             '3. 相机被禁用后，所有应用都无法使用相机功能')
+          .fontSize(18)
+          .margin({ top: 20 })
+          .textAlign(TextAlign.Start)
+          .layoutWeight(1)
+        
+        Button() {
+          Text('Back')
+            .fontSize(25)
+            .fontWeight(FontWeight.Bold)
+        }
+        .type(ButtonType.Capsule)
+        .margin({
+          top: 20,
+          bottom: 30
+        })
+        .backgroundColor('#0D9FFB')
+        .width('40%')
+        .height('8%')
+        // 返回按钮绑定onClick事件，单击按钮时返回到第一页
+        .onClick(() => {
+          console.info(`Succeeded in clicking the 'Back' button.`)
+          // 获取UIContext
+          let uiContext: UIContext = this.getUIContext();
+          let router = uiContext.getRouter();
+          try {
+            // 返回第一页
+            router.back()
+            console.info('Succeeded in returning to the first page.')
+          } catch (err) {
+            let code = (err as BusinessError).code;
+            let message = (err as BusinessError).message;
+            console.error(`Failed to return to the first page. Code is ${code}, message is ${message}`)
+          }
+        })
+      }
+      .width('100%')
+      .padding(20)
+    }
+    .height('100%')
+    .backgroundColor('#f0f0f0')
+  }
+}

entry/src/main/module.json5

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+{
+  "module": {
+    "name": "entry",
+    "type": "entry",
+    "description": "$string:module_desc",
+    "mainElement": "EntryAbility",
+    "deviceTypes": [
+      "phone"
+    ],
+    "deliveryWithInstall": true,
+    "installationFree": false,
+    "pages": "$profile:main_pages",
+    "requestPermissions": [
+      {
+        "name": "ohos.permission.ENTERPRISE_MANAGE_RESTRICTIONS",
+        "reason": "$string:module_desc",
+        "usedScene": {
+          "abilities": [
+            "EnterpriseAdminAbility"
+          ],
+          "when": "always"
+        }
+      },
+      {
+        "name": "ohos.permission.MANAGE_ENTERPRISE_DEVICE_ADMIN",
+        "reason": "$string:module_desc",
+        "usedScene": {
+          "abilities": [
+            "EnterpriseAdminAbility"
+          ],
+          "when": "always"
+        }
+      },
+      {
+        "name": "ohos.permission.ENTERPRISE_GET_DEVICE_INFO",
+        "reason": "$string:module_desc",
+        "usedScene": {
+          "abilities": [
+            "EnterpriseAdminAbility"
+          ],
+          "when": "always"
+        }
+      }
+    ],
+    "abilities": [
+      {
+        "name": "EntryAbility",
+        "srcEntry": "./ets/entryability/EntryAbility.ets",
+        "description": "$string:EntryAbility_desc",
+        "icon": "$media:layered_image",
+        "label": "$string:EntryAbility_label",
+        "startWindowIcon": "$media:startIcon",
+        "startWindowBackground": "$color:start_window_background",
+        "exported": true,
+        "skills": [
+          {
+            "entities": [
+              "entity.system.home"
+            ],
+            "actions": [
+              "ohos.want.action.home"
+            ]
+          }
+        ]
+      }
+    ],
+    "extensionAbilities": [
+      {
+        "name": "EnterpriseAdminAbility",
+        "srcEntry": "./ets/extensionability/EnterpriseAdminExtensionAbility.ets",
+        "type": "enterpriseAdmin",
+        "exported": true,
+        "metadata": [
+          {
+            "name": "ohos.extension.backup",
+            "resource": "$profile:backup_config"
+          }
+        ]
+      }
+    ]
+  }
+}

entry/src/main/resources/base/element/color.json

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+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#FFFFFF"
+    }
+  ]
+}

entry/src/main/resources/base/element/float.json

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+{
+  "float": [
+    {
+      "name": "page_text_font_size",
+      "value": "50fp"
+    }
+  ]
+}

entry/src/main/resources/base/element/string.json

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+{
+  "string": [
+    {
+      "name": "module_desc",
+      "value": "MDM设备管理模块，用于控制设备相机功能"
+    },
+    {
+      "name": "EntryAbility_desc",
+      "value": "MDM相机控制应用"
+    },
+    {
+      "name": "EntryAbility_label",
+      "value": "相机控制"
+    }
+  ]
+}

entry/src/main/resources/base/media/layered_image.json

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+{
+  "layered-image":
+  {
+    "background" : "$media:background",
+    "foreground" : "$media:foreground"
+  }
+}

entry/src/main/resources/base/profile/backup_config.json

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+{
+  "allowToBackupRestore": true
+}

entry/src/main/resources/base/profile/main_pages.json

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+{
+  "src": [
+    "pages/Index",
+    "pages/Second"
+  ]
+}

entry/src/main/resources/dark/element/color.json

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+{
+  "color": [
+    {
+      "name": "start_window_background",
+      "value": "#000000"
+    }
+  ]
+}