buildscript {
    ...
    repositories {
        ...
        jcenter()
    }
    ...
    dependencies {
        ...
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
    }
    ...
}

...
apply plugin: 'kotlin-android'
apply plugin: 'kotlin-android-extensions'
...
dependencies {
    ...
    implementation "com.jesualex.android:autocompletelocation:$last_version"
}

  <resources>
    <string name="google_places_key"
        translatable="false"
        templateMergeStrategy="preserve">YOUR_KEY_HERE</string>
  </resources>

  <com.jesualex.autocompletelocation.AutocompleteLocation
      android:id="@+id/autocomplete_location"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"/>

public class MainActivity extends FragmentActivity
    implements AutocompleteLocation.AutocompleteLocationListener {

  @Override protected void onCreate(Bundle savedInstanceState) {
    ...
    AutocompleteLocation autoCompleteLocation =
        (AutocompleteLocation) findViewById(R.id.autocomplete_location);
        autoCompleteLocation.setAutoCompleteTextListener(this);
        autoCompleteLocation.setOnSearchListener(this);
  }
}

  @Override public void onTextClear() {
    mMap.clear();
  }

  @Override public void onItemSelected(AutocompletePrediction selectedPrediction) {
    Log.i(getClass().getSimpleName(), "A autocomplete has selected: ");
    logAutocomplete(selectedPrediction);
  }

    ...
    AutocompleteLocation autoCompleteLocation =
        (AutocompleteLocation) findViewById(R.id.autocomplete_location);
    ...
    //Set placeListener to auto calculate Place object when a AutocompletePrediction has selected.
    autoCompleteLocation.setPlaceListener(this);
    
    //Optional set placeFields to receive only the fields what you need. By default return ID, NAME and LAT_LNG.
    autoCompleteLocation.setPlaceFields(Arrays.asList(Place.Field.ID, Place.Field.NAME););

  @Override public void onPlaceLoad(@NonNull Place place) {
    addMapMarker(place.getLatLng());
  }

  @Override public void onSearch(String address, List<AutocompletePrediction> predictions) {
    for (AutocompletePrediction prediction : predictions) {
      logAutocomplete(prediction);
    }
  }

    ...
    AutocompleteLocation autoCompleteLocation =
        (AutocompleteLocation) findViewById(R.id.autocomplete_location);
    ...
    autoCompleteLocation.setCountry("Au");

  <com.jesualex.autocompletelocation.AutocompleteLocation
      android:id="@+id/autocomplete_location"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      app:countryCode="au" />

    ...
    AutocompleteLocation autoCompleteLocation =
        (AutocompleteLocation) findViewById(R.id.autocomplete_location);
    ...
    RectangularBounds bounds = RectangularBounds.newInstance(
            new LatLng(-33.880490, 151.184363),
            new LatLng(-33.858754, 151.229596)
    );
    
    autoCompleteLocation.setLocationBias(bounds);

    PlaceUtils.getPlace(context, "placeId", new OnPlaceLoadListener() {
      @Override
      public void onPlaceLoad(@NonNull Place place) {
        addMapMarker(place.getLatLng());
      }
    });

  <com.jesualex.autocompletelocation.AutocompleteLocation
      android:id="@+id/autocomplete_location"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      app:background_layout="@drawable/bg_rounded_accent"
      app:closeIcon="@drawable/ic_close" />