Guide of debugging Android app

1. Debug Android

2. Debugging
● ADB command
● Debugging on Android Studio
○ System Log
○ Setting Breakpoint
○ Android Device Monitor

3. ADB(Android Debug Bridge)
● Versatile command line tool that lets you
communicate with an emulator instance or connected
Android-powered device.
● Also provides a Unix shell that you can use to run a
variety of commands on an emulator or connected
device
● http://developer.android.com/tools/help/adb.html

4. System Log
● 'Logcat' dumps a log of system messages
○ stack traces when throws an error
○ messages that you have written on app
● Use android.util.Log(String Tag, String msg) for input
message

5. Breakpoint
● Set breakpoint to debug on certain position
● Needs to run on ‘Debug’ mode

6. Breakpoint

7. Debugger
● With debugger, user can review
○ thread state
○ call stack
○ current values of variable

8. Android Device Monitor
● Stand-alone tool that
provides a graphical
user interface for
several Android
application debugging
and analysis tools.