Handy cheatsheet for navigating without the nav bar
https://gist.github.com/Pulimet/5013acf2cd5b28e55036c82c91bd56d8
navigation commands
== Key event
adb shell input keyevent 3 // Home btn
adb shell input keyevent 4 // Back btn
adb shell input keyevent 5 // Call
adb shell input keyevent 6 // End call
adb shell input keyevent 26 // Turn Android device ON and OFF. It will toggle device to on/off status.
adb shell input keyevent 27 // Camera
adb shell input keyevent 64 // Open browser
adb shell input keyevent 66 // Enter
adb shell input keyevent 67 // Delete (backspace)
adb shell input keyevent 207 // Contacts
adb shell input keyevent 220 / 221 // Brightness down/up
adb shell input keyevent 277 / 278 /279 // Cut/Copy/Paste