Koordinaten effizient abspeichern

1Polygon polygon = googleMap.addPolygon(new PolygonOptions()
2 .add(new LatLng(48.213947, 16.370101), new LatLng(48.214584,16.369249), new LatLng(48.215192,16.370545), new LatLng(48.214545,16.371264))
3 .strokeColor(Color.RED)
4 .fillColor(Color.BLUE));

1add(new LatLng(48.213947, 16.370101), new LatLng(48.214584,16.369249), new LatLng(...) usf.

1ArrayList<LatLng> all=new ArrayList<LatLng>();
2 ArrayList<Double> lat=new ArrayList<Double>();
3 ArrayList<Double> lon=new ArrayList<Double>();
4
5 double[] dlat = {48.213947, 48.214584, 48.215192, 48.214545};
6 double[] dlon = new double[]{16.370101, 16.369249, 16.370545, 16.371264};
7
8 for(double n : dlat){
9 lat.add(n);
10 }
11
12 for(double n : dlon){
13 lon.add(n);
14 }
15
16 for(int a=0;a<lat.size();a++)
17 {
18 LatLng allLatLng= new LatLng(lat.get(a),lon.get(a));
19 all.add(allLatLng);
20 }
21
22 Polygon polygon = googleMap.addPolygon(new PolygonOptions()
23 .addAll(allLatLng)
24 .strokeColor(Color.RED)
25 .fillColor(Color.CYAN));

1ArrayList<LatLng> all=new ArrayList<LatLng>();
2 ArrayList<Double> lat=new ArrayList<Double>();
3 ArrayList<Double> lon=new ArrayList<Double>();
4
5 AssetManager assetManager = getAssets();
6
7 double d = 0;
8 // To load text file
9 InputStream input;
10 try {
11 input = assetManager.open("dlat.txt");
12
13 int size = input.available();
14 byte[] buffer = new byte[size];
15 input.read(buffer);
16 input.close();
17
18 // byte buffer into a string
19 String text = new String(buffer);
20 int i = 0;
21 double val = 0;
22 // String[] splits = text.split(","); bei diesem Versuch ergibt sich eine ParseException
23
24 while(i != text.length()){
25 NumberFormat nf_in = NumberFormat.getNumberInstance(Locale.UK);
26 try {
27 val = nf_in.parse(text).doubleValue();
28 } catch (ParseException e) {
29 // TODO Auto-generated catch block
30 e.printStackTrace();
31 }
32 NumberFormat nf_out = NumberFormat.getNumberInstance(Locale.UK);
33 nf_out.setMaximumFractionDigits(6);
34 String output = nf_out.format(val);
35 d = Double.valueOf(output);
36 lat.add(d); /* es wird immer nur der erste Wert hinzugefügt */
37 i++;
38 }
39 } catch (IOException e) {
40 // TODO Auto-generated catch block
41 e.printStackTrace();
42 }