Firebaseui-android: Error message when user is offline.

[Abhimanyu14]

Step 1: Are you in the right place?

Yes

Step 2: Describe your environment

• Android device: Redmi Note 5
• Android OS version: 8.1.0
• Google Play Services version: 20.50.16 (On test device)
• Firebase/Play Services SDK version:
• FirebaseUI version: 7.1.1

Step 3: Describe the problem:

Authentication error when the user is offline is not user-friendly.
The technical details can be abstracted for the end user.

Steps to reproduce:

1. Try authenticating when the device is offline,

Observed Results:

Error message:
"An internal error has occurred. [Unable to resolve host "www.googleapis.com": No address associated with hostname ]"

Expected Results:

A much more user-friendly message to denote that the user is offline.

Relevant Code:

[samtstern]

@Abhimanyu14 thanks for reporting! Agree, we should make this much friendlier.

[samhorlbeck]

@samtstern I created a bug to track this internally as well (b/179035604)