does anyone know how to debug a FCM notification w...

# android

[Mohamed Ibrahim]

does anyone know how to debug a FCM notification while app is closed

[mertceyhan]

App isn’t closed when coming notification, FCM service is running on background. You can select your app in “choose process” screen on android studio.

[Mohamed Ibrahim]

how you will do that

[gildor]

Just log incoming message to Logcat

[gildor]

if you want to wait for debugger, and cold start of the app (so app is not started yet) just use android.os.Debug.waitForDebugger()

[mertceyhan]

Send notification to yourself while app is closed and FCM Service start to running on background in this moment. You can select your app in “choose process” screen

[gildor]

True, but it may be tricky to catch particular moment between app start and moment when you attach it to debugger, waitForDebugger() may help debug such cases

[mertceyhan]

In my case, App will stop at breakpoint while you click to notification.

[gildor]

yes, but it only if you debug some code that runs after click

[gildor]

you may also want to debug code that parses GCM message or register InstanceId token etc, really depends on case

[mertceyhan]

Right. Two case can work for you, @Mohamed Ibrahim should try these.

[Mohamed Ibrahim]

thank you guys I'll try that