Startup Development

How do I obtain the system version of a device? (API 9)

Solution

You can obtain the system version of a device through the osFullName attribute of the deviceInfo object.

Sample Code

import deviceInfo from '@ohos.deviceInfo'
let v = deviceInfo.osFullName

How do I obtain the UDID of a device? (API 9)

Solution

• Method 1: Run the hdc shell bm get --udid command.

• Method 2: Obtain the value from the code. For details, see udid.

How do I obtain device information? (API 9)

You can call deviceInfo to obtain device information, such as the device model.

Reference

Device Information

How do I prevent application development from being interrupted by screen saving? (API 9)

Solution

Run the hdc shell "power-shell setmode 602" command to turn off screen saving.