ActivityRegister

package sit.elderlylocate.Register;

import android.app.Activity;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;


import sit.elderlylocate.Login.ActivityLogin;
import sit.elderlylocate.R;


import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

import android.app.AlertDialog;




public class ActivityRegister extends Activity {

    EditText username, password, confirmpass, firstname, lastname;
    TextView birthday;
    String Username, Password, Confirmpass, Firstname, Lastname, Birthday;
    Context ctx = this;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);
        username = (EditText) findViewById(R.id.txtUsername);
        password = (EditText) findViewById(R.id.txtPassword);
        confirmpass = (EditText) findViewById(R.id.txtConfirmPass);
        firstname = (EditText) findViewById(R.id.txtFirstname);
        lastname = (EditText) findViewById(R.id.txtLastname);
        birthday = (TextView) findViewById(R.id.txtBirthday);

        showDialogOnButtonClick();

        // btnClickRegister
        final Button btnRegister = (Button) findViewById(R.id.RegisterButton2);
        // Perform action on click
        btnRegister.setOnClickListener(new View.OnClickListener() {
            public void onClick(View v) {
                checkDada();
                RegisterButton2(v);

                    Intent i = new Intent(getApplicationContext(), ActivityLogin.class);
                    startActivity(i);


            }
        });

    }

    // Get birthday data [choose date]
    Button bDate;
    int year_x,month_x,day_x;
    static final int DIALOG_ID = 0;

    public void showDialogOnButtonClick(){
        bDate = (Button)findViewById(R.id.bDate);

        bDate.setOnClickListener(
                new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        showDialog(DIALOG_ID);
                    }
                }
        );
    }

    protected Dialog onCreateDialog(int id){
        if (id==DIALOG_ID){
            return new DatePickerDialog(this, dpickerListner, year_x, month_x, day_x);
        }
        return  null;
    }

    public DatePickerDialog.OnDateSetListener dpickerListner =
            new DatePickerDialog.OnDateSetListener() {
                @Override
                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                    year_x = year;
                    month_x = monthOfYear+1;
                    day_x = dayOfMonth;
                    //Toast.makeText(ActivityRegister.this, year_x + "-" + month_x + "-" + day_x,Toast.LENGTH_LONG).show();
                    birthday.setText(year_x + "-" + month_x + "-" + day_x);
                }
            };


    public boolean checkDada() {
        // Error Dialog
        final AlertDialog.Builder ad = new AlertDialog.Builder(this);

        ad.setTitle("Error! ");
        ad.setIcon(android.R.drawable.btn_star_big_on);
        ad.setPositiveButton("Close", null);

        // Check Username
        if (username.getText().length() == 0) {
            ad.setMessage("Please input [Username] ");
            ad.show();
            username.requestFocus();
            return false;
        }
        // Check Password
        if (password.getText().length() == 0 || confirmpass.getText().length() == 0) {
            ad.setMessage("Please input [Password/Confirm Password] ");
            ad.show();
            password.requestFocus();
            return false;
        }
        // Check Password and Confirm Password (Match)
        if (!password.getText().toString().equals(confirmpass.getText().toString())) {
            ad.setMessage("Password and Confirm Password Not Match! ");
            ad.show();
            confirmpass.requestFocus();
            return false;
        }
        // Check Name
        if (firstname.getText().length() == 0) {
            ad.setMessage("Please input [Firstname] ");
            ad.show();
            firstname.requestFocus();
            return false;
        }
        // Check lastname
        if (lastname.getText().length() == 0) {
            ad.setMessage("Please input [Lastname] ");
            ad.show();
            lastname.requestFocus();
            return false;
        }
        // Check birthday
        if (birthday.getText().length() == 0) {
            ad.setMessage("Please input [Birthday] ");
            ad.show();
            birthday.requestFocus();
            return false;
        }

        return true;
    }

    public void RegisterButton2(View v) {
        Username = username.getText().toString();
        Password = password.getText().toString();
        Confirmpass = confirmpass.getText().toString();
        Firstname = firstname.getText().toString();
        Lastname = lastname.getText().toString();
        Birthday = year_x + "-" + month_x + "-" + day_x;
        BackGround b = new BackGround();
        b.execute(Username, Password, Confirmpass, Firstname, Lastname, Birthday);
    }



    class BackGround extends AsyncTask<String, String, String> {

        @Override
        protected String doInBackground(String... params) {
            String username = params[0];
            String password = params[1];
            String firstname = params[2];
            String lastname = params[3];
            String birthday = params[4];
            String data = "";
            int tmp;

            try {
                URL url = new URL("http://oldiefinder.esy.es/Android/register.php");
                String urlParams = "username=" + username + "&password=" + password + "&firstname=" + firstname + "&lastname=" + lastname + "&birthday=" + birthday;

                HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
                httpURLConnection.setDoOutput(true);
                OutputStream os = httpURLConnection.getOutputStream();
                os.write(urlParams.getBytes());
                os.flush();
                os.close();
                InputStream is = httpURLConnection.getInputStream();
                while ((tmp = is.read()) != -1) {
                    data += (char) tmp;
                }
                is.close();
                httpURLConnection.disconnect();

                return data;

            } catch (MalformedURLException e) {
                e.printStackTrace();
                return "Exception: " + e.getMessage();
            } catch (IOException e) {
                e.printStackTrace();
                return "Exception: " + e.getMessage();
            }
        }

        @Override
        protected void onPostExecute(String s) {
            if (s.equals("")) {
                s = "Data saved successfully.";
            }
            Toast.makeText(ctx, s, Toast.LENGTH_LONG).show();
        }
    }


}