it.gulch.linuxday.android.fragments.MapFragment.java Source code

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Here is the source code for it.gulch.linuxday.android.fragments.MapFragment.java

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/*
 * Copyright 2014 Christophe Beyls
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package it.gulch.linuxday.android.fragments;

import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;

import java.util.List;
import java.util.Locale;

import it.gulch.linuxday.android.R;

public class MapFragment extends Fragment {
    // FIXME recuperare da API
    private static final double DESTINATION_LATITUDE = 39.229689;

    private static final double DESTINATION_LONGITUDE = 9.107743;

    private static final String DESTINATION_NAME = "Universit degli Studi di Cagliari - DIEE";

    private static final String GOOGLE_MAPS_PACKAGE_NAME = "com.google.android.apps.maps";

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_map, container, false);
    }

    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        inflater.inflate(R.menu.map, menu);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.directions:
            launchDirections();
            return true;
        }
        return false;
    }

    private void launchDirections() {
        // Build intent to start Google Maps directions
        String uri = String.format(Locale.US, "http://maps.google.com/maps?f=d&daddr=%1$f,%2$f(%3$s)&dirflg=r",
                DESTINATION_LATITUDE, DESTINATION_LONGITUDE, DESTINATION_NAME);

        Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(uri));

        // If Google Maps app is found, don't allow to choose other apps to handle this intent
        List<ResolveInfo> resolveInfos = getActivity().getPackageManager().queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        if (resolveInfos != null) {
            for (ResolveInfo info : resolveInfos) {
                if (GOOGLE_MAPS_PACKAGE_NAME.equals(info.activityInfo.packageName)) {
                    intent.setPackage(GOOGLE_MAPS_PACKAGE_NAME);
                    break;
                }
            }
        }

        startActivity(intent);
    }
}