In my case, I forgot to enable permission for google-plus
Hope this works ... Any doubt let me know
Check from scratch:
Sometimes information about a person can be zero
check: PERMISSIONS
Important actions :
Enable Google+ API
Enable Google Maps API for Android
If you check locally , add the sha1 key in the options eclipse -> window -> preference -> Android -> Build
OR
You can generate the SHA1 key through the command line
keytool -list -v -keystore "C: \ Users \ User.android \ debug.keystore" -alias androiddebugkey -storepass android -keypass android
If you publish the application in the play-store , you need to change the SHA1 key in the google console
because in the local SHA1 key is different. After the signedApk SHA1 command differs from
When creating a signed apk -> on the last screen -> you can see SHA1
After adding to the Google console, you will get an API key
Add this key to the manifest file

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