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- public ArrayList<Double> getPoints (){
- ArrayList<Double> location = new ArrayList<>();
- SQLiteDatabase db = this.getReadableDatabase();
- Cursor cursor = db.rawQuery("select latitude,longitude from "+Table_Name_Location,null);
- if(cursor.getCount() > 0){
- while (cursor.moveToNext()) {
- Double latitude = cursor.getDouble(cursor.getColumnIndex("Lat"));
- Double longitude = cursor.getDouble(cursor.getColumnIndex("Longi"));
- location.add(latitude);
- location.add(longitude);
- }
- }
- cursor.close();
- return location;
- }
- private double distance(double lat1, double lon1, double lat2, double lon2) {
- double theta = lon1 - lon2;
- double dist = Math.sin(deg2rad(lat1))
- * Math.sin(deg2rad(lat2))
- + Math.cos(deg2rad(lat1))
- * Math.cos(deg2rad(lat2))
- * Math.cos(deg2rad(theta));
- dist = Math.acos(dist);
- dist = rad2deg(dist);
- dist = dist * 60 * 1.1515;
- return (dist);
- }
- private double deg2rad(double deg) {
- return (deg * Math.PI / 180.0);
- }
- private double rad2deg(double rad) {
- return
- }
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