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Safe Circle

SafeCircle is a geofencing-based application that alerts users with a notification when they move away from their current location.

Preview

Use Cases

1. Users can start the application and see their current location and safe area.
2. If users walk through out the safe zone, application gives notification alerts with vibration

Technology

Stack

• Languages: ArkTS, ArkUI
• Frameworks: HarmonyOS 5.1.0(18)
• Tools: DevEco Studio Vers 5.1.0.828SP1,
• Libraries: @kit.ArkUI, @kit.NetworkKit, @kit.MapKit, @kit.NotificationKit, @kit.LocationKit, @ohos.vibrator

Required Permissions

• ohos.permission.LOCATION

  Required to get location information.

• ohos.permission.APPROXIMATELY_LOCATION

  Required to get approximate location.

• ohos.permission.LOCATION_IN_BACKGROUND

  Required to use location services in background

• ohos.permission.VIBRATE

  Required to use vibration

Directory Structure

entry/src/main/ets/
├───entryability
│       EntryAbility.ets
├───entrybackupability
│       EntryBackupAbility.ets
├───pages
│       Index.ets
└───services
        LocationService

Constraints and Restrictions

Suported Devices

• Huawei Watch 5

Limitations

• Safe Circle is not working on previewer or simulators
• Users need to apply location permissions and enable location in smart watch

License

Safe Circle is distributed under the terms of the MIT License See the LICENSE for more information.