小编Dan*_*iem的帖子

我的守则

private static final LatLng AMSTERDAM = new LatLng(52.37518, 4.895439);
    private static final LatLng PARIS = new LatLng(48.856132, 2.352448);
    private static final LatLng FRANKFURT = new LatLng(50.111772, 8.682632);
    private GoogleMap map;
    private LatLngBounds latlngBounds;
    private Button bNavigation;
    private Polyline newPolyline;
    private boolean isTravelingToParis = false;
    private int width, height;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_navigation);

        getSreenDimanstions();

        map = ((SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map)).getMap();

        bNavigation = (Button) findViewById(R.id.bNavigation);
        bNavigation.setOnClickListener(new View.OnClickListener() {

            @Override
            public void onClick(View v) {
                if (!isTravelingToParis)
                {
                    isTravelingToParis …