Android Question blank Google Map starting 26.09.2017

[peacemaker]

HI, All

Who is making apps basing on Google Map v.2 & Firebase - is it OK map today ?
Yesterday my project stopped to show map as usual, and now it's blank coffee-with-milk color. Old working app versions that were compiled before - also stopped to work.
But Google logo and zoom-buttons, MyLocation button are visible.
It was started from "File.DirDefaultExternal" stopped to work on my Samsung, and i had to change to "GetSafeDirDefaultExternal".

Yesterday after first trouble was found - the new Google Play Services v.44 were installed.
Google Repository v.58.

Spoiler: Manifest was and is

AddManifestText(
<uses-sdk android:minSdkVersion="14" android:targetSdkVersion="22"/>
<uses-feature android:name="android.hardware.telephony" android:required="false" />
<supports-screens android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:anyDensity="true"/>)
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
SetManifestAttribute("android:installLocation", "auto")
AddPermission("android.permission.WRITE_EXTERNAL_STORAGE")
AddPermission(android.permission.READ_EXTERNAL_STORAGE)

....
+Firebase and Google Map API snippets...

Seems, Google changed something fatally...

 

[Erel]

Everything works properly here.

 

[peacemaker]

But why old working before app versions (that were compiled before) - also map stopped to work. My customer confirms also - on their devices the same trouble.

UPD: maybe something with Google Map API limits ?

 

[peacemaker]

SOLVED: API key from the customer is Web-key. And, seems, it was banned by Google, if requests go from Android app.
With new Android APP key the map is again OK.