MapFragment.java 4.94 KB
package com.dinhcv.lifelogpedometer.activity;

import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v4.app.Fragment;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import com.dinhcv.lifelogpedometer.R;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;
import com.google.android.gms.maps.model.PolylineOptions;

import static android.content.Context.LOCATION_SERVICE;

public class MapFragment extends Fragment implements SettingFragmentPresenter, OnMapReadyCallback {
    private View mRootView;
    private PolylineOptions polylineOptions = new PolylineOptions();
    private LocationManager mLocationManager;
    // The minimum distance to change Updates in meters
    private static final long LOCATION_REFRESH_DISTANCE = 10;

    // The minimum time between updates in milliseconds
    private static final long LOCATION_REFRESH_TIME = 10000;

    private double lat = 0;
    private double log = 0;

    private SupportMapFragment mapFragment;
    private GoogleMap googleMap;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle
            savedInstanceState) {
        // Inflate the layout for this fragment
        mRootView = inflater.inflate(R.layout.fragment_map, container, false);

        initView(mRootView);

        initData();

        return mRootView;
    }

    /**
     * init view
     *
     * @param rootView view
     */
    private void initView(View rootView) {
        mapFragment = (SupportMapFragment) getChildFragmentManager()
                .findFragmentById(R.id.map);

        polylineOptions.color(ContextCompat.getColor(getActivity(),android.R.color.holo_red_dark));

    }

    /**
     * Init data
     */
    private void initData() {
        mLocationManager = (LocationManager) getActivity().getSystemService(LOCATION_SERVICE);

        if (ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED && ActivityCompat.checkSelfPermission(getActivity(), Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
            return;
        }
        mLocationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, LOCATION_REFRESH_TIME,
                LOCATION_REFRESH_DISTANCE, mLocationListener);
    }

    private final LocationListener mLocationListener = new LocationListener() {
        @Override
        public void onLocationChanged(final Location location) {
            //your code here
            lat = location.getLatitude();
            log = location.getLongitude();
            polylineOptions.add(new LatLng(lat, log));
            if (googleMap!= null) {
                googleMap.addPolyline(polylineOptions);
            }
            //update
            update();
        }

        @Override
        public void onStatusChanged(String s, int i, Bundle bundle) {

        }

        @Override
        public void onProviderEnabled(String s) {

        }

        @Override
        public void onProviderDisabled(String s) {

        }
    };

    private void update(){
        mapFragment.getMapAsync(this);
    }

    private void updateLine(){
        LatLng sydney = new LatLng(-34, 151);
        LatLng melbourne=new LatLng(37.813, 144.9631);
        LatLng auckland=new LatLng(36.8485, 174.7633);

        polylineOptions.add(new LatLng[]{sydney,melbourne,auckland});
        if (googleMap!= null) {
            googleMap.addPolyline(polylineOptions);
        }
    }

    @Override
    public void onAttach(Context context) {
        super.onAttach(context);
        if (context instanceof Activity) {

        }
    }


    /**
     * Save data
     */
    @Override
    public void onSaveData() {
    }

    @Override
    public void onInvalidate(boolean isInit) {
        initData();
    }


    @Override
    public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
        super.onViewStateRestored(savedInstanceState);

        initData();
    }

    @Override
    public void onMapReady(GoogleMap gm) {

        googleMap = gm;
        LatLng pos=new LatLng(lat, log);
        googleMap.addMarker(new MarkerOptions()
                .position(pos));
        googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(pos, 15.0f));

        Log.i("SonLT","Readdy");

        //updateLine();
    }
}