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06e5e3c578
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@ -37,7 +37,7 @@ dependencies {
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implementation 'androidx.appcompat:appcompat:1.6.1'
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implementation 'com.google.android.material:material:1.10.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
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implementation 'com.google.firebase:firebase-auth:22.3.0'
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implementation 'at.favre.lib:bcrypt:0.9.0'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.5'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
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@ -1,5 +1,4 @@
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package com.example.bsm_notatnik;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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@ -28,9 +27,7 @@ public class MainActivity extends AppCompatActivity {
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Button buttonLogout, buttonChangePassword, buttonAddNewNote;
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private static final String SHARED_NAME_CREDENTIALS = "Credentials";
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private static final String SHARED_NOTES_NAME = "Notes";
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private static String HASHED_EMAIL = "";
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private List<Note> noteList;
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private LinearLayout notesContainer;
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@ -46,15 +43,13 @@ public class MainActivity extends AppCompatActivity {
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notesContainer = findViewById(R.id.notesContainer);
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noteList = new ArrayList<>();
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loadNotesFromPreferences();
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loadNotesFromPreferencesToList();
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displayNotes();
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buttonLogout = findViewById(R.id.btn_logout);
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buttonChangePassword = findViewById(R.id.btn_change_password);
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buttonAddNewNote = findViewById(R.id.btn_add_note);
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buttonLogout.setOnClickListener(view -> logOut());
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buttonChangePassword.setOnClickListener(view -> showPasswordChangeDialog(current_username_hashed));
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@ -63,6 +58,9 @@ public class MainActivity extends AppCompatActivity {
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}
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private void logOut(){
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Toast.makeText(getApplicationContext(), "Logout Successful!", Toast.LENGTH_SHORT).show();
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@ -73,18 +71,14 @@ public class MainActivity extends AppCompatActivity {
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private void showPasswordChangeDialog(String hashedEmail){
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// Inflate the dialog layout
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LayoutInflater inflater = getLayoutInflater();
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View dialogView = inflater.inflate(R.layout.password_change_dialog, null);
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// Create the AlertDialog builder
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setView(dialogView);
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builder.setTitle("Change Password");
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// Set up the positive (OK) button
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builder.setPositiveButton("Change", (dialogInterface, i) -> {
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// Handle password change logic here
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EditText editTextOldPassword = dialogView.findViewById(R.id.editTextOldPassword);
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EditText editTextNewPassword = dialogView.findViewById(R.id.editTextNewPassword);
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EditText editTextConfirmPassword = dialogView.findViewById(R.id.editTextConfirmPassword);
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@ -108,7 +102,6 @@ public class MainActivity extends AppCompatActivity {
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return;
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}
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// Perform password change validation and logic
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if (newPassword.equals(confirmPassword)) {
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updatePassword(hashedEmail, newPassword);
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Toast.makeText(MainActivity.this, "Password Changed", Toast.LENGTH_SHORT).show();
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@ -125,84 +118,6 @@ public class MainActivity extends AppCompatActivity {
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alertDialog.show();
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}
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private void showAddNewNoteDialog(){
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LayoutInflater inflater = getLayoutInflater();
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View dialogView = inflater.inflate(R.layout.create_note_dialog, null);
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setView(dialogView);
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builder.setTitle("Create new note");
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builder.setPositiveButton("Save", (dialogInterface, i) -> {
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EditText noteTitleEditText = dialogView.findViewById(R.id.noteTitleEditText);
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EditText noteContentEditText = dialogView.findViewById(R.id.noteContentEditText);
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String title = noteTitleEditText.getText().toString();
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String content = noteContentEditText.getText().toString();
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if (!title.isEmpty() && !content.isEmpty()){
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Note note = new Note();
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note.setTitle(title);
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note.setContent(content);
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noteList.add(note);
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saveNotesToPreferences("add");
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createNoteView(note);
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}
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Toast.makeText(MainActivity.this, "Note saved!", Toast.LENGTH_SHORT).show();
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});
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builder.setNegativeButton("Cancel", (dialogInterface, i) -> dialogInterface.dismiss());
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AlertDialog alertDialog = builder.create();
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alertDialog.show();
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}
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private void showEditNoteDialog(Note note){
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LayoutInflater inflater = getLayoutInflater();
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View dialogView = inflater.inflate(R.layout.create_note_dialog, null);
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setView(dialogView);
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builder.setTitle("Edit note");
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builder.setPositiveButton("Save", (dialogInterface, i) -> {
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EditText noteTitleEditText = dialogView.findViewById(R.id.noteTitleEditText);
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EditText noteContentEditText = dialogView.findViewById(R.id.noteContentEditText);
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String title = noteTitleEditText.getText().toString();
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String content = noteContentEditText.getText().toString();
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if (!title.isEmpty() && !content.isEmpty()){
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deleteNoteAndRefresh(note);
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note.setTitle(title);
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note.setContent(content);
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noteList.add(note);
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saveNotesToPreferences("add");
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createNoteView(note);
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}
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Toast.makeText(MainActivity.this, "Note Edited!", Toast.LENGTH_SHORT).show();
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});
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builder.setNegativeButton("Cancel", (dialogInterface, i) -> dialogInterface.dismiss());
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AlertDialog alertDialog = builder.create();
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alertDialog.show();
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}
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private boolean validatePassword(String password){
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final String PASSWORD_PATTERN = "^.{6,}$";
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Pattern pattern = Pattern.compile(PASSWORD_PATTERN);
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@ -245,14 +160,102 @@ public class MainActivity extends AppCompatActivity {
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}
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private void showAddNewNoteDialog(){
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LayoutInflater inflater = getLayoutInflater();
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View dialogView = inflater.inflate(R.layout.create_note_dialog, null);
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setView(dialogView);
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builder.setTitle("Create new note");
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builder.setPositiveButton("Save", (dialogInterface, i) -> {
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EditText noteTitleEditText = dialogView.findViewById(R.id.noteTitleEditText);
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EditText noteContentEditText = dialogView.findViewById(R.id.noteContentEditText);
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String title = noteTitleEditText.getText().toString();
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String content = noteContentEditText.getText().toString();
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if (!title.isEmpty() && !content.isEmpty()){
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Note note = new Note();
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note.setTitle(title);
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note.setContent(content);
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noteList.add(note);
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saveNotesToPreferences("add");
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createNoteView(note);
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}
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Toast.makeText(MainActivity.this, "Note saved!", Toast.LENGTH_SHORT).show();
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});
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builder.setNegativeButton("Cancel", (dialogInterface, i) -> dialogInterface.dismiss());
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AlertDialog alertDialog = builder.create();
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alertDialog.show();
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}
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private void showEditNoteDialog(Note note){
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LayoutInflater inflater = getLayoutInflater();
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View dialogView = inflater.inflate(R.layout.create_note_dialog, null);
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setView(dialogView);
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builder.setTitle("Edit note");
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EditText noteTitleEditText = dialogView.findViewById(R.id.noteTitleEditText);
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EditText noteContentEditText = dialogView.findViewById(R.id.noteContentEditText);
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noteTitleEditText.setText(note.getTitle());
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noteContentEditText.setText(note.getContent());
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builder.setPositiveButton("Save", (dialogInterface, i) -> {
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String title = noteTitleEditText.getText().toString();
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String content = noteContentEditText.getText().toString();
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if (!title.isEmpty() && !content.isEmpty()){
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deleteNoteAndRefresh(note);
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note.setTitle(title);
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note.setContent(content);
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noteList.add(note);
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saveNotesToPreferences("add");
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createNoteView(note);
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}else {
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Toast.makeText(MainActivity.this, "Enter title and content!", Toast.LENGTH_SHORT).show();
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}
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});
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builder.setNegativeButton("Cancel", (dialogInterface, i) -> dialogInterface.dismiss());
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AlertDialog alertDialog = builder.create();
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alertDialog.show();
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}
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private void genSecretKey(){
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}
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private void saveNotesToPreferences(String mode){
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SharedPreferences sharedPreferences = getSharedPreferences(SHARED_NOTES_NAME, MODE_PRIVATE);
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SharedPreferences.Editor editor = sharedPreferences.edit();
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if (mode.equals("del")){
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editor.clear();
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int noteCount = sharedPreferences.getInt("notecount_"+HASHED_EMAIL, 0);
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for(int i=0; i<noteCount; i++){
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editor.remove(i + "_title_" + HASHED_EMAIL);
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editor.remove(i + "_content_" + HASHED_EMAIL);
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}
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}
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editor.putInt("notecount_" + HASHED_EMAIL, noteList.size());
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for(int i=0; i<noteList.size(); i++){
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Note note = noteList.get(i);
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@ -263,7 +266,7 @@ public class MainActivity extends AppCompatActivity {
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}
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private void loadNotesFromPreferences(){
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private void loadNotesFromPreferencesToList(){
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SharedPreferences sharedPreferences = getSharedPreferences(SHARED_NOTES_NAME, MODE_PRIVATE);
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int noteCount = sharedPreferences.getInt("notecount_" + HASHED_EMAIL, 0);
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@ -296,29 +299,19 @@ public class MainActivity extends AppCompatActivity {
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noteView.setOnLongClickListener(new View.OnLongClickListener() {
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@Override
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public boolean onLongClick(View view) {
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showEditNoteDialog(note);
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return true;
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}
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});
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notesContainer.addView(noteView);
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}
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private void showDeleteDialog(final Note note){
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setTitle("Delete this note");
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builder.setMessage("Are you sure you want to delete it?");
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builder.setPositiveButton("Delete", new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialogInterface, int i) {
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deleteNoteAndRefresh(note);
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}
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});
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builder.setPositiveButton("Delete", (dialogInterface, i) -> deleteNoteAndRefresh(note));
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builder.setNegativeButton("Cancel", null);
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builder.show();
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}
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@ -339,6 +332,26 @@ public class MainActivity extends AppCompatActivity {
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createNoteView(note);
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}
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}
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}
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@ -12,16 +12,7 @@ import android.widget.EditText;
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import android.widget.ProgressBar;
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import android.widget.TextView;
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import android.widget.Toast;
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import javax.crypto.SecretKey;
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import javax.crypto.SecretKeyFactory;
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import javax.crypto.spec.PBEKeySpec;
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import java.nio.charset.StandardCharsets;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.security.SecureRandom;
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import java.security.spec.InvalidKeySpecException;
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import java.security.spec.KeySpec;
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import java.util.Base64;
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import java.util.regex.Matcher;
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@ -106,10 +97,12 @@ public class Register extends AppCompatActivity {
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byte[] salt = Utility.generateSalt();
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saveSaltForUser(hashedEmail, salt);
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byte[] salt1 = Utility.generateSalt();
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byte[] salt2 = Utility.generateSalt();
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saveSaltsForUser(hashedEmail, salt1, salt2);
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hashedPassword = Utility.hashCredential(password, salt);
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hashedPassword = Utility.hashCredential(password, salt1);
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saveNewUser(hashedEmail, hashedPassword);
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@ -143,12 +136,17 @@ public class Register extends AppCompatActivity {
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return matcher.matches();
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}
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private void saveSaltForUser(String hashedemail, byte[] salt){
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private void saveSaltsForUser(String hashedemail, byte[] salt1, byte[] salt2){
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SharedPreferences sharedPreferences = getSharedPreferences(SHARED_NAME_CREDENTIALS, MODE_PRIVATE);
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SharedPreferences.Editor editor = sharedPreferences.edit();
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String saltString = Base64.getEncoder().encodeToString(salt);
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editor.putString("salt_" + hashedemail, saltString);
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String salt1String = Base64.getEncoder().encodeToString(salt1);
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String salt2String = Base64.getEncoder().encodeToString(salt2);
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editor.putString("salt_" + hashedemail, salt1String);
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editor.putString("salt_2_" + hashedemail, salt2String);
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editor.apply();
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}
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