adb.sh

//Restart adb in case the device is ie. invisible
adb kill-server; adb start-server

//Install single .apk file
adb install *.apk

//Install multiple apks at once (for split apks)
adb install-multiple 1.apk 2.apk

//Uninstall application
adb uninstall [com.package.name]

//Open logcat where [level] is one of 
       V: Verbose (lowest priority)
       D: Debug
       I: Info
       W: Warning
       E: Error
       F: Fatal
       S: Silent (highest priority, on which nothing is ever printed)

adb logcat *:[level]

//Simulates the keypress/event from the user. Codes can be found here: https://developer.android.com/reference/android/view/KeyEvent
adb shell input keyevent

//Run activity with a specified package name
adb shell am start -n com.package.name/.ActivityName

//List package names installed on a device
adb shell 'pm list packages -f'

//Get Android version of the device
adb shell getprop ro.build.version.release

//Get Android API level of the device
adb shell getprop ro.build.version.sdk 

//Start activity with a category and a flag
adb shell am start -a android.intent.action.MAIN -c android.intent.category.HOME -f 268435456

//Clear app data
adb shell pm clear my.app.package.name

//Control density and screen size of the device
adb shell wm
       usage: wm [subcommand] [options]
              wm size [reset|WxH|WdpxHdp]
              wm density [reset|DENSITY]
              wm overscan [reset|LEFT,TOP,RIGHT,BOTTOM]
              wm scaling [off|auto]
              wm screen-capture [userId] [true|false]

       wm size: return or override display size.
              width and height in pixels unless suffixed with 'dp'.

       wm density: override display density.

       wm overscan: set overscan area for display.

       wm scaling: set display scaling mode.

       wm screen-capture: enable/disable screen capture.

       wm dismiss-keyguard: dismiss the keyguard, prompting the user for auth if necessary.

//Force stop the app
adb shell am force-stop com.my.app.package

//Switch adb to root
adb root

//Disable the app (should run as a root)
adb shell pm disable com.google.android.tvlauncher

//Rotate the screen
adb shell settings put system accelerometer_rotation 0
adb shell settings put system user_rotation 0-3

//Get screen orientation
adb shell dumpsys input | grep 'SurfaceOrientation' | awk '{ print $2 }'

//Show battery stats
adb shell dumpsys batterystats