<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:map="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="google.maps.tintal.MapsActivity" />

private GoogleMap mMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_maps);
    // Obtain the SupportMapFragment and get notified when the map is ready to be used.
    SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
            .findFragmentById(R.id.map);
    mapFragment.getMapAsync(this);
}

@Override
public void onMapReady(GoogleMap googleMap) {
    mMap = googleMap;

    //Parroquie San Agustín
    LatLng unia01 = new LatLng(4.653980, -74.146397);
    mMap.addMarker(new MarkerOptions().position(unia01).title("Parroquia San Agustín").snippet("Diosesis de fontibon").icon(BitmapDescriptorFactory.defaultMarker(BitmapDescriptorFactory.HUE_ORANGE)));

    //Uniagustiniana
    LatLng unia02 = new LatLng(4.653421, -74.145150);
    mMap.addMarker(new MarkerOptions().position(unia02).title("Uniagustiniana").snippet("Universitaria Agustiniana").icon(BitmapDescriptorFactory.fromResource(R.drawable.marker)));

    mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(unia01,17));
}

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/Theme.AppCompat.NoActionBar">

    <activity android:name=".MainActivity">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>

    <meta-data
        android:name="com.google.android.geo.API_KEY"
        android:value="AIzaSyDjd5MPotj1x8v96Hs05dIRTjdocektzWg" />

    <activity
        android:name=".MapsActivity"
        android:label="@string/title_activity_maps" />
</application>