Offline reverse geocoding | Search SDK | Android

This example does not contain a UI. Results will be logged in Android Studio. To run this example you will need access to our Offline Data API. Contact our team to request access.

Note

This example is a part of the Search SDK for Android example app. You can find the values for all referenced resources in the res directory. For example, see res/values/strings.xml for R.string.* references used in this example.

MainActivity.java

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Java

Kotlin

package com.mapbox.search.demo.api;
 
import android.os.Bundle;
import android.util.Log;
 
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
 
import com.mapbox.geojson.Point;
import com.mapbox.search.MapboxSearchSdk;
import com.mapbox.search.OfflineReverseGeoOptions;
import com.mapbox.search.OfflineSearchEngine;
import com.mapbox.search.ResponseInfo;
import com.mapbox.search.SearchCallback;
import com.mapbox.search.SearchRequestTask;
import com.mapbox.search.result.SearchResult;
 
import java.io.File;
import java.util.Collections;
import java.util.List;
 
public class OfflineReverseGeocodingJavaExampleActivity extends AppCompatActivity {
 
private OfflineSearchEngine searchEngine;
private SearchRequestTask searchRequestTask;
 
private final SearchCallback searchCallback = new SearchCallback() {
 
@Override
public void onResults(@NonNull List<? extends SearchResult> results, @NonNull ResponseInfo responseInfo) {
Log.i("SearchApiExample", "Results: " + results);
}
 
@Override
public void onError(@NonNull Exception e) {
Log.i("SearchApiExample", "Search error: ", e);
}
};
 
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
 
searchEngine = MapboxSearchSdk.getOfflineSearchEngine();
 
/*
* TODO Change function arguments to what's available on your device.
* Make sure each region added only once.
*/
searchEngine.addOfflineRegion(
new File(getFilesDir(), "offline_data/germany").getPath(),
Collections.singletonList("germany.map"),
"germany.boundary",
new OfflineSearchEngine.AddRegionCallback() {
@Override
public void onAdded() {
Log.i("SearchApiExample", "Offline region has been added");
}
 
@Override
public void onError(@NonNull Exception e) {
Log.i("SearchApiExample", "Unable to add offline region", e);
}
}
);
 
searchRequestTask = searchEngine.reverseGeocoding(
new OfflineReverseGeoOptions(Point.fromLngLat(13.409450, 52.520831)),
searchCallback
);
}
 
@Override
protected void onDestroy() {
searchRequestTask.cancel();
super.onDestroy();
}
}