ADB Concepts :How to extract ‘Screen Resolution’ & ‘Screen Density’ & ‘Screen Parameters’

1. adb shell wm size
2. adb shell wm density
3. adb shell dumpsys window displays

Please go through the below video for complete details:

Summary:

Case-1: Command to display the physical size of an Android device screen

Command:

adb shell wm size

Explanation:

adb shell: Will initiates a shell interface on the Android device, which allows you to execute commands directly on the device from your computer.
wm: This command allows the user to access the display-related properties which were managed by the window manager.
size: This argument requests the command to print out the physical dimensions of the device’s screen in pixels.

Output:

Note: Output indicates that device’s screen dimensions , 1080 pixels in width & 2400pixels in height

Case-2: Command to display the physical density of an Android device screen

Command:

adb shell wm density

Explanation:

adb shell: Will initiates a shell interface on the Android device, which allows you to execute commands directly on the device from your computer.
wm: This command allows the user to access the display-related properties which were managed by the window manager.
density: This argument fetches the screen density information which shows how many pixels are present per inch of the screen.

Output:

Note: Physical density: 420

Case-3: Command to display the comprehensive display information

Command:

adb shell dumpsys window displays

Explanation:

Explanation:

adb shell: Will initiates a shell interface on the Android device, which allows you to execute commands directly on the device from your computer.

dumpsys: Is the tool that runs on Android devices and provides information about system services.

Output:

GitHub Link: