Ankit-Slnk

public static String getDecimalFormat(double value) {
    String newValue = new DecimalFormat("#.##").format(value);
    if (!newValue.contains(".")) {
        return newValue + ".00";
    } else {
        return newValue.split("\\.")[1].length() == 1 ? (newValue + "0") : newValue;
    }
}

Ankit-Slnk

public static double roundUp(double toRound) {
    if (toRound % 100 == 0) return toRound;
    double wholeNumber = toRound * 100;
    double roundedValue = Math.ceil(wholeNumber / 10.0) * 10;
    return roundedValue / 100;
}

Ankit-Slnk

public static void showError(Context context, ResponseBody responseBody) {
    JSONObject jObjError = null;
    try {
        jObjError = new JSONObject(responseBody.string());
    } catch (Exception e) {
    }
    try {
        JSONObject data = jObjError.getJSONObject("errors");
        Iterator<String> errorKeys = data.keys();

Ankit-Slnk

extension StringCasingExtension on String {
  String toCapitalized() =>
      length > 0 ? '${this[0].toUpperCase()}${substring(1).toLowerCase()}' : '';
  String toTitleCase() => replaceAll(RegExp(' +'), ' ')
      .split(' ')
      .map((str) => str.toCapitalized())
      .join(' ');
}

Ankit-Slnk

static LatLngBounds getBounds(List<LatLng> polylineCoordinates) {
    double x0, x1, y0, y1;
    for (LatLng latLng in polylineCoordinates) {
      if (latLng.latitude != null && latLng.longitude != null) {
        if (x0 == null) {
          x0 = x1 = latLng.latitude;
          y0 = y1 = latLng.longitude;
        } else {
          if (latLng.latitude > x1) x1 = latLng.latitude;
          if (latLng.latitude < x0) x0 = latLng.latitude;

Ankit-Slnk

static List<LatLng> decodeEncodedPolyline(String encoded) {
    List<LatLng> poly = [];
    int index = 0, len = encoded.length;
    int lat = 0, lng = 0;

    while (index < len) {
      int b, shift = 0, result = 0;
      do {
        b = encoded.codeUnitAt(index++) - 63;
        result |= (b & 0x1f) << shift;

Ankit-Slnk

String packageNames = "cat,dog,cat,cow";
    var map = Map<String, int>();
    List<String> ps = [];
    packageNames.split(",").forEach((element) {
      if (!map.containsKey(element)) {
        map[element] = 1;
      } else {
        map[element] = map[element]! + 1;
      }
    });

Ankit-Slnk

// register receiver
IntentFilter filter = new IntentFilter("ABCD");
registerReceiver(receiver, filter);

// reveicer
BroadcastReceiver receiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            try {
                dialog.dismiss();

Ankit-Slnk

public static void hideKeyboard(Activity activity) {
    InputMethodManager imm = (InputMethodManager) activity.getSystemService(Activity.INPUT_METHOD_SERVICE);
    //Find the currently focused view, so we can grab the correct window token from it.
    View view = activity.getCurrentFocus();
    //If no view currently has focus, create a new one, just so we can grab a window token from it
    if (view == null) {
        view = new View(activity);
    }
    imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
}

Ankit-Slnk

public static File bitmapToFile(Bitmap bitmap) {
    // File name like "image.png"
    SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
    String fileNameToSave = sdf.format(new Date());
    //create a file to write bitmap data
    File file = null;
    try {
        file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + File.separator + fileNameToSave + ".png");
        file.createNewFile();