20 Android Debug Bridge Interview Questions and Answers

Android Debug Bridge (ADB) is a versatile command-line tool that lets you communicate with a device. The ADB command facilitates a variety of device actions, such as installing and debugging apps, and it provides access to a Unix shell that you can use to run a variety of commands on a device.

If you’re interviewing for a position that involves Android development, it’s likely that you’ll be asked questions about ADB. In this article, we’ll review some of the most common ADB questions and provide guidance on how to answer them.

Android Debug Bridge Interview Questions and Answers

Here are 20 commonly asked Android Debug Bridge interview questions and answers to prepare you for your interview:

1. What are some of the more common commands used with Android Debug Bridge?

Some of the more common commands used with Android Debug Bridge include “adb devices” to list all of the devices attached to the computer, “adb shell” to open a shell on the device, “adb logcat” to view the logcat output, and “adb install” to install an Android application.

2. Can you explain how to create an emulator using Android Debug Bridge?

You can create an Android emulator by using the Android Debug Bridge and the Android Emulator Manager. The Android Debug Bridge is a command line tool that allows you to communicate with an Android device. The Android Emulator Manager is a GUI tool that allows you to create and manage Android emulators.

3. How can I use adb shell to push a file to my device?

You can use the adb shell command to push a file to your device. The syntax for this command is:

adb shell

push

For example, if you wanted to push a file named “myfile.txt” from your computer to your device, you would use the following command:

adb shell

push myfile.txt /sdcard/myfile.txt

4. What is the command to take a screen shot when using ADB?

The command to take a screen shot when using ADB is “adb shell screencap -p /sdcard/screen.png”

5. What’s the command I need to run in order to install an apk on my device using android debug bridge?

The command you need to run is “adb install “.

6. What’s the command to uninstall an app from your device using android debug bridge?

The command to uninstall an app from your device using android debug bridge is:

adb uninstall

7. How do you save your work and exit when using adb shell?

You can use the “exit” command to exit adb shell. Your work will be automatically saved.

8. What is the syntax for copying files between devices using adb?

The syntax for copying files using adb is as follows:

adb push

where is the path to the file on your local machine and is the path to where you want to copy the file on the Android device.

9. What are the differences between adb backup and adb restore?

Adb backup is used to create a backup of an Android device, while adb restore is used to restore a backup. The main difference between the two is that adb backup includes app data, while adb restore does not.

10. What does the “adb devices” command do?

The “adb devices” command displays a list of all the Android devices that are connected to the computer.

11. What does the “adb start-server” command do?

The “adb start-server” command starts the Android Debug Bridge server process on your computer. This process is necessary for communicating with your Android device for debugging purposes.

12. What does the “adb kill-server” command do?

The “adb kill-server” command terminates the ADB server process.

13. What does the “adb get-state” command do?

The “adb get-state” command allows you to check the current status of your Android device. If the device is online, it will return the word “device”; if the device is offline, it will return the word “offline”.

14. What does the “adb disconnect” command do?

The “adb disconnect” command disconnects the Android Debug Bridge (adb) from the connected Android device.

15. What does the “adb connect” command do?

The “adb connect” command allows you to connect your Android device to your computer for debugging purposes. This is useful if you are trying to debug an issue on your device, or if you want to transfer files between your device and your computer.

16. What does the “adb usb” command do?

The “adb usb” command tells the Android Debug Bridge to listen for connections from a USB device. This is useful if you want to debug your Android app on a physical device instead of using an emulator.

17. What does the “adb tcpip” command do?

The “adb tcpip” command enables debugging over a network connection. Once this command is executed, you can connect to the device from a remote computer using the “adb connect” command.

18. What does the “adb logcat” command do?

The “adb logcat” command lets you view the system log on an Android device. This is useful for debugging purposes, as you can see what events are happening on the device and troubleshoot any issues.

19. What’s the difference between the “adb reboot” and “adb reboot recovery” commands?

The “adb reboot” command will simply reboot your Android device, while the “adb reboot recovery” command will reboot your device into recovery mode. Recovery mode is a special mode that is used for performing system-level tasks, such as factory resetting your device or installing a new system update.

20. What’s the best way to restart your phone without losing any data or settings?

There are a few different ways to restart your phone without losing any data or settings, but the best way is to use the Android Debug Bridge (ADB). With ADB, you can simply issue the command “adb reboot” from your computer, and your phone will restart without losing any data or settings.