Reading Latitude And Longitude From A Text File

I currently have an application hard coded with lat and long positions. Instead I want to read the lat and long from a text file called cities.text which contains the following Dub

Solution 1:

Assuming you have this file in your assets folder with the lat-lng data in the above format, you can use this function

private HashMap<String, Location> readFile(String path){
        HashMap<String, Location> citiesLoactionMap = new HashMap<>();

        String dump = null;
        try {
            dump = readFromAssets(mContext, path);
        } catch (IOException e) {
            e.printStackTrace();
        }
        if (dump != null && !dump.isEmpty()) {

            String[] cities = dump.split("\n");
            for(String city : cities){

                String[] cityData = city.split("\\s+");
                if(cityData[0] != null && cityData[1] != null && cityData[2] != null){

                    Location location = new Location(cityData[0]);
                    location.setLatitude(Double.parseDouble(cityData[1]));
                    location.setLongitude(Double.parseDouble(cityData[2]));
                    citiesLoactionMap.put(cityData[0], location);

                }

            }

        }
        return citiesLoactionMap;
    }

Here path would be the the file name, e.g. "cities.txt"