erfanegtfi

public class Validator {
    public static boolean isValidEmailAddress(String email) {
        String emailRegex;
        String stricterFilterString = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
        String laxString = ".+@.+\\.[A-Za-z]{2}[A-Za-z]*";
        if (true) {
            emailRegex = stricterFilterString;
        } else {
            emailRegex = laxString;
        }

erfanegtfi

import android.support.v4.view.MotionEventCompat;
import android.support.v4.view.accessibility.AccessibilityNodeInfoCompat;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;

public class Hash {
    public static String getHash(String txt, String hashType) {
        try {
            byte[] array = MessageDigest.getInstance(hashType).digest(txt.getBytes());
            StringBuffer sb = new StringBuffer();

erfanegtfi

public class TimeUtils {
    public static final long DAY = 86400000;
    public static final long HOUR = 3600000;
    public static final long MINUTE = 60000;
    public static final long SECOND = 1000;

    public static long getMinuteDifference(long startTime, long endTime) {
        return (endTime - startTime) / MINUTE;
    }

erfanegtfi

public static void convertMinuteToHour(int totalMinute, TextView textView) {
        if (totalMinute >= 60) {
            int hours = (int) Math.floor((double) (totalMinute / 60));
            totalMinute %= 60;
            if (totalMinute == 0) {
                textView.setText("طول بازدید: " + persianNumbers(String.valueOf(hours)) + " ساعت ");
                return;
            } else {
                textView.setText("طول بازدید: " + persianNumbers(String.valueOf(hours)) + " ساعت و " + persianNumbers(String.valueOf(totalMinute)) + " دقیقه ");
                return;

erfanegtfi

 public static final String md5(String s) {
        String MD5 = CommonUtils.MD5_INSTANCE;
        try {
            MessageDigest digest = MessageDigest.getInstance(io.fabric.sdk.android.services.common.CommonUtils.MD5_INSTANCE);
            digest.update(s.getBytes());
            byte[] messageDigest = digest.digest();
            StringBuilder hexString = new StringBuilder();
            for (byte aMessageDigest : messageDigest) {
                String h = Integer.toHexString(aMessageDigest & 255);
                while (h.length() < 2) {

erfanegtfi

public String encode(String s, String key) {
        if (s != null)
            return base64Encode(xorWithKey(s.getBytes(), key.getBytes()));
        else
            return null;
    }

    public String decode(String s, String key) {
        if (s != null)
            return new String(xorWithKey(base64Decode(s), key.getBytes()));

erfanegtfi

public class ObservableRxList<T> {
    protected final List<T> list;
    protected final PublishSubject<List<T>> subject;

    public ObservableRxList() {
        this.list = new ArrayList<T>();
        this.subject = PublishSubject.create();
    }

    public void add(T value) {

erfanegtfi

public class LiveDataList<T> extends LiveData<List<T>> {
    public void addAll(List<T> items) {
        if (getValue() != null && items != null) {
            getValue().addAll(items);
            setValue(getValue());
        }
    }

    public void clear() {
        if (getValue() != null) {

erfanegtfi

import android.content.Context;
import android.os.Bundle;

import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import androidx.navigation.NavDestination;
import androidx.navigation.NavOptions;

erfanegtfi

public class MyFragment extends Fragment {

    @Override
    public void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        // This callback will only be called when MyFragment is at least Started.
        OnBackPressedCallback callback = new OnBackPressedCallback(true /* enabled by default */) {
            @Override
            public void handleOnBackPressed() {