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  /**
     * TODO: modify function for get color contrast based on `background color` and `foreground color` (not black or white only)
     * based on sensitive eyes (Y of YIQ) {@linkplain "https://en.wikipedia.org/wiki/YIQ"}
     */
    public static int getContrastColor(int color) {
        @SuppressLint("Range")
        double y = (299 * Color.red(color) + 587 * Color.green(color) + 114 * Color.blue(color)) / 1000;
        return y >= 178 || color == Color.TRANSPARENT ? Color.rgb(130, 130, 130) : Color.WHITE;
    }

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    /**
     * Decimal Localization Format, like #,###.## for US or #.###,## for ID
     *
     * @param Numobj
     * @return
     */
    //TODO: change to automatic localization detection
    public static String DecimalFormater(Object Numobj) {

        Object obj = String.valueOf(Numobj).matches("-?\\d+(\\.\\d+)?") ? Numobj : 0.00;

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    /**
     * @param date
     * @return
     */
    public static Date getLocalizedDate(Date date) {
        try {

            Calendar c = Calendar.getInstance();
            c.setTime(date);
            c.add(Calendar.MILLISECOND, TimeZone.getDefault().getRawOffset());

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    /**
     * get {@link Bitmap} object from {@link View}
     *
     * @param view
     * @return
     */
    public Bitmap getBitmapFromView(View view) {
        //Define a bitmap with the same size as the view
        Bitmap returnedBitmap = Bitmap.createBitmap(view.getWidth(), view.getHeight(), Bitmap.Config.ARGB_8888);
        //Bind a canvas to it

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    /**
     * @param v
     */
    public static void hideKeyboard(View v) {
        if (v == null || v.getContext() == null) return;
        InputMethodManager imm = (InputMethodManager)
                v.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

        if (imm != null && imm.isAcceptingText()) {
            imm.hideSoftInputFromWindow(v.getRootView().getWindowToken(), 0);

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package ***.utils;

import android.app.Activity;
import android.support.v7.app.AlertDialog;

import com.microsoft.appcenter.distribute.Distribute;
import com.microsoft.appcenter.distribute.DistributeListener;
import com.microsoft.appcenter.distribute.ReleaseDetails;
import com.microsoft.appcenter.distribute.UpdateAction;
import ***.BuildConfig;

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package ***.utils;

import android.Manifest;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.location.Criteria;

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package ***.utils;

import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Context;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.wifi.WifiInfo;
import android.net.wifi.WifiManager;

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package ***.utils;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Proxy;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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package ***.__data;

import android.os.Handler;
import android.os.Looper;

import com.google.gson.GsonBuilder;
import ***.R;
import ***.utils.Contents;
import ***.utils.__ConnectionEvent;
import ***.utils.__GlobalApp;