Changes before lunch

app/src/main/java/com/GE20070469/apdassesment/MainActivity.java

@@ -2,16 +2,25 @@
 
 import android.annotation.SuppressLint;
 import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.DatePickerDialog;
 import android.os.Bundle;
 import android.support.v4.app.FragmentTransaction;
 import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
 import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
+import android.widget.DatePicker;
 import android.widget.EditText;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;
 
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -20,12 +29,14 @@ public class MainActivity extends AppCompatActivity {
     private EditText fname, lname, email, dob, address;
     private RadioGroup genderRG;
     private Button signup;
-    private String temp, gender;
+    private String sFame, sLame, sEmail, sDob, sAddress, sGender;
     private int radioID;
+    private boolean isAdult = false;
     private int position = 0;
     private RadioButton genderSelected;
+    final Calendar myCalendar = Calendar.getInstance();
     public static final Pattern VALID_EMAIL_PATTERN = Pattern.compile("^[A-Z0-9._%+-]+@[A-Z0-9.-]+\\.[A-Z]{2,6}$", Pattern.CASE_INSENSITIVE);
-    public static final Pattern VALID_PASSWORD_PATTERN = Pattern.compile("^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\\\\S+$).{4,}$", Pattern.CASE_INSENSITIVE);
+    public static final Pattern VALID_ADDRESS_PATTERN = Pattern.compile("[-0-9A-Za-z.,/ ]+", Pattern.CASE_INSENSITIVE);
     public static final Pattern VALID_STRING_PATTERN = Pattern.compile("[A-Za-z]", Pattern.CASE_INSENSITIVE);
 
     @Override
@@ -57,7 +68,31 @@ protected void onCreate(Bundle savedInstanceState) {
             public void onCheckedChanged(RadioGroup group, int checkedId) {
                 radioID = genderRG.getCheckedRadioButtonId();// Getting the RadioButton checked ID
                 genderSelected =  findViewById(radioID);// Finding the button
-                gender = genderSelected.getText().toString();// Set the (global) string for later usage
+                sGender = genderSelected.getText().toString();// Set the (global) string for later usage
+            }
+        });
+
+        final DatePickerDialog.OnDateSetListener date = new DatePickerDialog.OnDateSetListener() {// Allowing the to extract the chosen dates
+            @Override
+            public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
+                myCalendar.set(Calendar.YEAR, year);
+                myCalendar.set(Calendar.MONTH, monthOfYear);
+                myCalendar.set(Calendar.DAY_OF_MONTH, dayOfMonth);
+                if(getAge(year, monthOfYear, dayOfMonth) >= 18 && getAge(year, monthOfYear, dayOfMonth) <= 100) {
+                    updateLabel();
+                    isAdult = true;
+                    Log.i("Notification", "The user is over 18 y/o");
+                } else {
+                    Log.i("Notification", "The user in not 18 " + getAge(year, monthOfYear, dayOfMonth));
+                }
+            }
+        };
+        dob.setOnClickListener(new View.OnClickListener() { // When user clicks to pick their DOB a calendar will pop up - asking for input
+            @Override
+            public void onClick(View v) {
+                new DatePickerDialog(MainActivity.this, date, myCalendar
+                        .get(Calendar.YEAR), myCalendar.get(Calendar.MONTH),
+                        myCalendar.get(Calendar.DAY_OF_MONTH)).show();
             }
         });
 
@@ -66,20 +101,26 @@ public void onCheckedChanged(RadioGroup group, int checkedId) {
             @SuppressLint("ResourceType")
             @Override
             public void onClick(View v) {
-                RegFragment newFragment = new RegFragment();// Create fragment and give it an argument specifying the article it should show
-                Bundle args = new Bundle();
-                args.putInt(RegFragment.ARG_POSITION, position);
-                args.putString( "fname", fname.getText().toString());
-                args.putString( "lname", lname.getText().toString());
-                args.putString( "email", email.getText().toString());
-                args.putString( "dob", dob.getText().toString());
-                args.putString( "gender", gender);
-                args.putString( "address", address.getText().toString());
-                newFragment.setArguments(args);
-                FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
-                transaction.replace(R.layout.activity_main, newFragment);// Replace whatever is in the fragment_container view with this fragment,
-                transaction.addToBackStack(null);
-                transaction.commit();
+                retrieveData();
+                if(checkInput(VALID_STRING_PATTERN, sFame) && checkInput(VALID_STRING_PATTERN, sLame) && checkInput(VALID_EMAIL_PATTERN, sEmail) && isAdult && checkInput(VALID_ADDRESS_PATTERN, sAddress)  ) {
+//                    RegFragment newFragment = new RegFragment();// Create fragment and give it an argument specifying the article it should show
+//                    Bundle args = new Bundle();
+//                    args.putInt(RegFragment.ARG_POSITION, position);
+//                    args.putString("fname", sFame);
+//                    args.putString("lname", sLame);
+//                    args.putString("email", sEmail);
+//                    args.putString("dob", sDob);
+//                    args.putString("gender", sGender);
+//                    args.putString("address", sAddress);
+//                    newFragment.setArguments(args);
+//                    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
+//                    transaction.replace(R.layout.activity_main, newFragment);// Replace whatever is in the fragment_container view with this fragment,
+//                    transaction.addToBackStack(null);
+//                    transaction.commit();
+                    Log.i("Notification", "Attention: You can now proceed");
+                } else {
+                    Log.i("Notification", "Warning: Information provided is not correct");
+                }
             }
         });
     }
@@ -94,16 +135,46 @@ public void initialiseVars() {
         genderRG = findViewById(R.id.genderRG);
     }
 
+
+    public void retrieveData() {
+        sFame = fname.getText().toString();
+        sLame = lname.getText().toString();
+        sEmail = email.getText().toString();
+        sDob = dob.getText().toString();
+        sAddress = address.getText().toString();
+    }
+
+    private void updateLabel() {   // Formatting the given date to UK format
+        String myFormat = "dd/MM/yyyy"; //In which you need put here
+        SimpleDateFormat sdf = new SimpleDateFormat(myFormat, Locale.UK);
+        dob.setText(sdf.format(myCalendar.getTime()));
+    }
+
+
     public void hideKeyboard(View view) {
         InputMethodManager inputMethodManager =(InputMethodManager) getSystemService(Activity.INPUT_METHOD_SERVICE);
         inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0);
     }
-    
+
     public static boolean checkInput(Pattern PATTERN, String str) {// This will check for either password or email, depending on the Pattern
         Matcher matcher = PATTERN.matcher(str);
         if (str == null) {
             return false;
         } else return matcher.find();
     }
 
+    private int getAge(int year, int month, int day){
+        Calendar dob = Calendar.getInstance();
+        Calendar today = Calendar.getInstance();
+
+        dob.set(year, month, day);
+
+        int age = today.get(Calendar.YEAR) - dob.get(Calendar.YEAR);
+
+        if (today.get(Calendar.DAY_OF_YEAR) < dob.get(Calendar.DAY_OF_YEAR)){
+            age--;
+        }
+
+        return age;
+    }
 }