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package com.mapbox.mapboxsdk.downstream;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import com.google.gson.JsonObject;
import com.mapbox.mapboxsdk.Mapbox;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.geometry.LatLngBounds;
import com.mapbox.mapboxsdk.log.Logger;
import com.mapbox.mapboxsdk.maps.Style;
import com.mapbox.mapboxsdk.offline.OfflineManager;
import com.mapbox.mapboxsdk.offline.OfflineRegion;
import com.mapbox.mapboxsdk.offline.OfflineRegionError;
import com.mapbox.mapboxsdk.offline.OfflineRegionStatus;
import com.mapbox.mapboxsdk.offline.OfflineTilePyramidRegionDefinition;
import timber.log.Timber;
public class MainActivity extends AppCompatActivity {
private final static String TAG = "Main";
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_donwload);
Mapbox.getInstance(this, getString(R.string.mapbox_access_token));
OfflineManager offlineManager = OfflineManager.getInstance(this);
LatLngBounds latLngBounds = new LatLngBounds.Builder()
.include(new LatLng(50.849772, 5.688173))
.include(new LatLng(50.843630, 5.710903))
.build();
float pixelRatio = getResources().getDisplayMetrics().density;
OfflineTilePyramidRegionDefinition definition = new OfflineTilePyramidRegionDefinition(
Style.MAPBOX_STREETS, latLngBounds, 16, 20, pixelRatio
);
offlineManager.createOfflineRegion(definition, convertRegionName("test"), new OfflineManager.CreateOfflineRegionCallback() {
@Override
public void onCreate(OfflineRegion offlineRegion) {
offlineRegion.setDownloadState(OfflineRegion.STATE_ACTIVE);
offlineRegion.setObserver(new OfflineRegion.OfflineRegionObserver() {
@Override
public void onStatusChanged(OfflineRegionStatus status) {
if (status.isComplete()) {
View button = findViewById(R.id.button);
button.setVisibility(View.VISIBLE);
button.setOnClickListener(v -> {
Intent intent = new Intent(v.getContext(), MapActivity.class);
startActivity(intent);
});
}
}
@Override
public void onError(OfflineRegionError error) {
Logger.e(TAG, error.getMessage());
}
@Override
public void mapboxTileCountLimitExceeded(long limit) {
}
});
}
@Override
public void onError(String error) {
Logger.e(TAG, error);
}
});
}
public static final String JSON_CHARSET = "UTF-8";
public static final String JSON_FIELD_REGION_NAME = "FIELD_REGION_NAME";
public static byte[] convertRegionName(String regionName) {
try {
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty(JSON_FIELD_REGION_NAME, regionName);
return jsonObject.toString().getBytes(JSON_CHARSET);
} catch (Exception exception) {
Timber.e(exception, "Failed to encode metadata: ");
}
return null;
}
}
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