Android google map blank

1) Created new project.

2) Selected google map created.

3) Debug google_maps_api.xml steps followed.

• https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=:::::::::::::::::::%3Bcom.agtapp.srilanka

• created google developer console API key.

• <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false"> AIzaSyDRuMUTElAoXoK2y2rXSqtpvdQSZ12z_dk </string>

4) Release google_maps_api.xml steps followed.

• developers.google.com/maps/documentation/android/signup steps.

• keytool -list -keystore your_keystore_name

• keytool -list -v -keystore your_keystore_name -alias your_alias_name

• SHA1: :0D::74:D3::E1:43::71::62:90::A1:66:6E:__:5D:75 added

• created google developer console API key.

• <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false"> AIzaSyB3d_usre_Joj_TrgP3aKtdkrSt_tTeqGI </string>

  added different release key.

5) AndroidManifest.xml

• <meta-data android:name="com.google.android.geo.API_KEY" android:value="@string/google_maps_key" />

• <uses-permission android:name="android.permission.INTERNET" /> <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

6) Generate signed APK created, Build Type release version created.

7) Beta version published on play store.

8) Google map screen blank.

9) But local running app google map working fine.

10) All package name correctly added on google developer console.