Android Open Source - Vispin Pins Map Fragment

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License

The source code is released under:

Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. ...

Java Source Code

package com.jpardogo.vispin.ui;
/*  ww w.j  a va  2  s  .co m*/
import android.app.Activity;
import android.location.Address;
import android.location.Geocoder;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.PopupWindow;
import android.widget.Toast;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
import com.jpardogo.vispin.R;
import com.jpardogo.vispin.adapters.PinInfoWindowAdapter;

import java.io.IOException;
import java.util.List;
import java.util.Locale;
import java.util.Objects;

import rx.Observable;
import rx.Observer;
import rx.Subscriber;
import rx.Subscription;
import rx.android.observables.AndroidObservable;
import rx.android.schedulers.AndroidSchedulers;
import rx.schedulers.Schedulers;
import timber.log.Timber;

public class PinsMapFragment extends MapFragment implements GoogleMap.OnMapLongClickListener, GoogleMap.OnMarkerClickListener, GoogleMap.OnMapClickListener {

    private GoogleMap mGoogleMap;
    private OnMapPinsInteractionListener mActivityCallback;
    private Subscription mSubscription;
    private Geocoder mGeocoder;

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        mGeocoder = new Geocoder(activity, Locale.getDefault());
        try {
            mActivityCallback = (OnMapPinsInteractionListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement " + OnMapPinsInteractionListener.class.getSimpleName());
        }
    }

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

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        View rootView = super.onCreateView(inflater, container, savedInstanceState);
        mGoogleMap = getMap();
        mGoogleMap.setOnMapLongClickListener(this);
        mGoogleMap.setOnMarkerClickListener(this);
        mGoogleMap.setOnMapClickListener(this);
        return rootView;
    }

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

    @Override
    public void onMapLongClick(LatLng latLng) {
        mSubscription = AndroidObservable.bindFragment(this, getAddresses(latLng))
                .subscribeOn(Schedulers.newThread())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(mAddressesObserver);
    }

    private Observer<List<Address>> mAddressesObserver = new Observer<List<Address>>() {
        @Override
        public void onCompleted() {

        }

        @Override
        public void onError(Throwable e) {
            Timber.e(e, "mAddressesObserver found an error");
        }

        @Override
        public void onNext(List<Address> addresses) {
            try {
                Address address = addresses.get(addresses.size() - 1);
                mActivityCallback.startPinCreation(address);
            } catch (ArrayIndexOutOfBoundsException e) {
                Toast.makeText(getActivity(), "No country around here", Toast.LENGTH_SHORT).show();
            }
        }
    };

    public void drawMarker(MarkerOptions markerOptions) {
        Marker maker = mGoogleMap.addMarker(markerOptions);
        mActivityCallback.pinSelected(maker);
        mGoogleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(markerOptions.getPosition(), mGoogleMap.getCameraPosition().zoom),500,null);
    }

    private Observable<List<Address>> getAddresses(final LatLng latLng) {

        return Observable.create(new Observable.OnSubscribe<List<Address>>() {

            @Override
            public void call(Subscriber<? super List<Address>> subscriber) {
                try {
                    List<Address> addresses = mGeocoder.getFromLocation(latLng.latitude, latLng.longitude, 100);
                    subscriber.onNext(addresses);
                    subscriber.onCompleted();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        });
    }


    @Override
    public void onDestroy() {
        super.onDestroy();
        if (mSubscription != null) {
            mSubscription.unsubscribe();
        }
    }

    @Override
    public boolean onMarkerClick(Marker marker) {
        mActivityCallback.pinSelected(marker);
        return false;
    }

    @Override
    public void onMapClick(LatLng latLng) {
        mActivityCallback.mapSelected();
    }

    public interface OnMapPinsInteractionListener {
        void startPinCreation(Address address);

        void pinSelected(Marker marker);

        void mapSelected();
    }

}

Java Source Code List

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