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View connected device

$ adb devices

If multiple devices are attached, use adb -s DEVICE_ID to target a specific device

#### List of running services 
$ adb shell dumpsys activity services

Install an app in the connected device

$ adb -s xxx.xxx.xx.xxx:5555 install Downloads/com.xxx.android.2.8.0.apk

Update an app in the connected device

$ adb -s xxx.xxx.xx.xxx:5555 install -r Downloads/com.xxx.android.2.8.0.apk

the optional -r argument reinstalls and keeps any data if the application is already installed on the device. It is helpful in updating the app from current Build(1.0) to next Build(1.1)

Copy file to the connected device

$ adb push Downloads/test-copy.rtf /sdcard/test-copy.txt

Fetch file from connected device

$ adb pull /sdcard/foo.txt Downloads/acd.txt

Start a remote shell

$ adb -s xxx.xxx.xx.xxx:5555 shell

Issuing single command without entering remote shell

$ adb shell ls /system/bin

Issuing monkey command

$ adb shell monkey -v -p com.xxxx.android 400

Monkey is a program that runs on your emulator/device and generates random streams of user events such as clicks, touches, or gestures in the app.

View log of system messages

$ adb logcat

####Wireless usage

adb is usually used over USB. However, it is also possible to use over Wi-Fi, as described here.

  1. Connect your Android device and adb host computer to a common Wi-Fi network accessible to both. We have found that not all access points are suitable; you may need to use an access point whose firewall is configured properly to support adb.
Note: If you are attempting to connect to a Wear device, force it to connect to Wi-Fi by shutting off Bluetooth on the phone connected to it.

  2. Connect the device to the host computer with a USB cable.

  3. Set the target device to listen for a TCP/IP connection on port 5555.
    $ adb tcpip 5555

  4. Disconnect the USB cable from the target device.

  5. Find the IP address of the Android device. For example, on a Nexus device, you can find the IP address at Settings > About tablet (or About phone) > Status > IP address. Or, on an Android Wear device, you can find the IP address at Settings > Wi-Fi Settings > Advanced > IP address.

  6. Connect to the device, identifying it by IP address.
    $ adb connect

  7. Confirm that your host computer is connected to the target device: $ adb devices
    List of devices attached
    :5555 device

Filter by tagname in Logcat

$ adb logcat -s TAG_NAME
$ adb logcat -s TAG_NAME_1 TAG_NAME_2

Filter by priority in Logcat

$ adb logcat "*:<priority>"
# Where <priority> can be V (Verbose), D (Debug), I (Info), W (Warning), E (Error), F (Fatal), S (Silent).

It can be combined with tagname command, to filter by tagname and priority

$ adb logcat -s TEST: W

Filter using grep in Logcat

$ adb logcat | grep "term"
$ adb logcat | grep "term1\|term2"

Find out processor version on Android Device (check if it's an ARM, for example)

$ adb shell cat /proc/cpuinfo

Unlock screen

$ adb -s DEVICE_ID shell input keyevent 82

Use Power screen

$ adb -s DEVICE_ID shell input keyevent 26

View all installed packages

$ adb -s DEVICE_ID shell pm list packages -f

Start an activity

$ adb -s DEVICE_ID shell am start PACKAGE_NAME/ACTIVITY_IN_PACKAGE
$ adb -s DEVICE_ID shell am start PACKAGE_NAME/FULLY_QUALIFIED_ACTIVITY

Examples:
adb -s 192.168.56.101:5555 shell am start -n com.xxxx.android/.activities.MainActivity

adb -s 192.168.56.101:5555 shell am start -n com.xxxx.android/com.xxxx.android.activities.MainActivity

Launch default browser at a URL

$ adb -s DEVICE_ID shell am start -a android.intent.action.VIEW -d http://www.google.com

Taking screenshot

$ adb -s DEVICE_ID shell screencap -p | perl -pe 's/\x0D\x0A/\x0A/g' > screen.png

Screenshot will be stored in you client machine from where you have executed the command. Look into the same directory from where you have executed the command.

Screen record

$ screenrecord [options] <filename>

Examples :
$adb shell screenrecord /sdcard/demo.mp4

Stop the screen recording by pressing Ctrl-C, otherwise the recording stops automatically at three minutes or the time limit set by --time-limit. To begin recording your device screen, run the screenrecord command to record the video. Then, run the pull command to download the video from the device to the host computer.