1# Mission Manager 2 3### Introduction 4 5This sample calls APIs related to the mission manager to lock, unlock, and clear missions, and switch them to the foreground. 6 7### Concepts 8 9Mission manager: You can lock, unlock, and clear missions, and switch them to the foreground. 10 11### Required Permissions 12 13ohos.permission.MANAGE_MISSIONS 14 15### Usage 16 171. Pull down the sample app to obtain the mission information, including the bundle name, running status, locking status, mission snapshot, and whether the mission supports migration. Information about a maximum of 10 missions can be obtained. 18 192. Swipe left on the mission list and touch **Lock** to lock a mission. 20 213. If the mission is locked, touch **Unlock** to unlock it. 22 234. Touch **Delete** to delete a mission. 24 255. Touch **Move** to switch a mission to the foreground. 26 27### Constraints 28 291. This sample can only be run on standard-system devices. 30 312. This sample supports only the SDK of API version 9 and uses the system API **@ohos.application.missionManager**. Therefore, you must manually switch to the Full SDK for successful compilation. For details about the operation, see [Guide to Switching to Full SDK](https://docs.openharmony.cn/pages/v3.2/zh-cn/application-dev/quick-start/full-sdk-switch-guide.md/). 32 333. DevEco Studio 3.1 Canary1 (Build Version: 3.1.0.100) must be used. 34 354. The permission **ohos.permission.MANAGE_MISSIONS** is at the system_core level. Therefore, you must manually configure the signature for the corresponding permission level. For details about the permission level, see [Permission List](https://gitee.com/openharmony/docs/blob/master/en/application-dev/security/permission-list.md). For details about the configuration operation, see [Having Your App Automatically Signed](https://docs.openharmony.cn/pages/v3.2/en/application-dev/security/hapsigntool-overview.md/). 36