Zeiterfassung 3

package com.example.cris.zeiterfassungv2;

import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
import android.widget.Toast;
import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;



public class Time24hFormatValidator implements TextWatcher {
    MainActivity ze;

    public Time24hFormatValidator(MainActivity Zeiterfassung) {
        ze = Zeiterfassung;
    }

    @Override
    public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) {

    }

    @Override
    public void onTextChanged(CharSequence charSequence, int i, int i1, int i2)
    {

    }

    @Override
    public void afterTextChanged(Editable editable) {
        EditText txt3 = (EditText) ze.lastRow.getChildAt(0);
        EditText txt4 = (EditText) ze.lastRow.getChildAt(1);


        String str = txt3.getText().toString();
        if(!str.equals(""))
        {
            String[] parts = str.split(":");
            String part1 = parts[0];
            String part2 = parts[1];
            int hours = Integer.parseInt(part1);
            int minutes= Integer.parseInt(part2);

            if (hours>=0 || hours<24)
            {
            return;
             }
             else
            txt3.setText("");
            Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();


            if (minutes>=0 || minutes<60)
             {
            return;
             } else
            txt3.setText("");
              Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();

        }
    }}





        /*if(!txt3.getText().toString().equals(""))
        {
            String[] parts = txt3.getText().toString().split(".");
            String part1 = parts[0];
            String part2 = parts[1];
            int hours = Integer.parseInt(part1);
            int minutes= Integer.parseInt(part2);

            if (hours>=0 && hours<24)
            {
                return;
            } else
                txt3.setText("");
            Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();


            if (minutes>=0 && minutes<60)
            {
                return;
            } else
                txt3.setText("");
            Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();

        }

        if(!txt4.getText().toString().equals(""))
        {
            String[] parts = txt4.getText().toString().split(".");
            String part1 = parts[0];
            String part2 = parts[1];
            int hours = Integer.parseInt(part1);
            int minutes= Integer.parseInt(part2);

            if (hours>=0 || hours<24)
            {
                return;
            } else
                txt4.setText("");
            Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();

            if (minutes>=0 || minutes<60)
            {
                return;
            } else
                txt4.setText("");
            Toast.makeText(ze.getApplicationContext(), "Wrong", Toast.LENGTH_LONG).show();
*/