Change Password Function

Foodify/app/src/main/java/com/waterbase/foodify/Home.java

@@ -1,7 +1,9 @@
 package com.waterbase.foodify;
 
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.os.Bundle;
+import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
@@ -10,6 +12,7 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.ActionBarDrawerToggle;
+import androidx.appcompat.app.AlertDialog;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
 import androidx.core.view.GravityCompat;
@@ -19,10 +22,14 @@ import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
 
 import com.firebase.ui.database.FirebaseRecyclerAdapter;
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.Task;
 import com.google.android.material.navigation.NavigationView;
 import com.google.firebase.database.DatabaseReference;
 import com.google.firebase.database.FirebaseDatabase;
 import com.google.firebase.iid.FirebaseInstanceId;
+import com.rengwuxian.materialedittext.MaterialEditText;
 import com.squareup.picasso.Picasso;
 import com.waterbase.foodify.Common.Common;
 import com.waterbase.foodify.Interface.ItemClickListener;
@@ -30,6 +37,10 @@ import com.waterbase.foodify.Model.Category;
 import com.waterbase.foodify.Model.Token;
 import com.waterbase.foodify.ViewHolder.MenuViewHolder;
 
+import java.util.HashMap;
+import java.util.Map;
+
+import dmax.dialog.SpotsDialog;
 import io.paperdb.Paper;
 
 
@@ -148,7 +159,10 @@ public class Home extends AppCompatActivity implements NavigationView.OnNavigati
         } else if (id == R.id.nav_order) {
             Intent orderIntent = new Intent(Home.this, OrderStatus.class);
             startActivity(orderIntent);
-        } else if (id == R.id.nav_log_out) {
+        } else if (id == R.id.nav_change_pwd) {
+            showChangePasswordDialog();
+        }
+        else if (id == R.id.nav_log_out) {
 
             //Delete Remember user & password
             Paper.book().destroy();
@@ -165,4 +179,66 @@ public class Home extends AppCompatActivity implements NavigationView.OnNavigati
 
         return true;
     }
+
+    private void showChangePasswordDialog() {
+        AlertDialog.Builder alertDialog = new AlertDialog.Builder(Home.this);
+        alertDialog.setTitle("Đổi mật khẩu");
+        alertDialog.setMessage("Vui lòng điền đầy đủ thông tin");
+
+        LayoutInflater inflater = LayoutInflater.from(this);
+        View layout_pwd = inflater.inflate(R.layout.change_password_layout, null);
+
+        MaterialEditText edtPassword = (MaterialEditText) layout_pwd.findViewById(R.id.edtPassword);
+        MaterialEditText edtNewPassword = (MaterialEditText) layout_pwd.findViewById(R.id.edtNewPassword);
+        MaterialEditText edtRepeatPassword = (MaterialEditText) layout_pwd.findViewById(R.id.edtRepeatPassword);
+
+        alertDialog.setView(layout_pwd);
+
+        //Button
+        alertDialog.setPositiveButton("Đổi mật khẩu", new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int which) {
+
+                android.app.AlertDialog waitingDialog = new SpotsDialog(Home.this);
+                waitingDialog.show();
+
+                //Check old password
+                if(edtPassword.getText().toString().equals(Common.currentUser.getPassword())) {
+
+                    //Check new password and repeat password
+                    if(edtNewPassword.getText().toString().equals(edtRepeatPassword.getText().toString())){
+                        Map<String, Object> passwordUpdate = new HashMap<>();
+                        passwordUpdate.put("password", edtNewPassword.getText().toString());
+
+                        //Make update
+                        DatabaseReference user = FirebaseDatabase.getInstance().getReference("User");
+                        user.child(Common.currentUser.getPhone())
+                                .updateChildren(passwordUpdate)
+                                .addOnCompleteListener(new OnCompleteListener<Void>() {
+                                    @Override
+                                    public void onComplete(@NonNull Task<Void> task) {
+                                        waitingDialog.dismiss();
+                                        Toast.makeText(Home.this, "Mật khẩu đã được cập nhật!", Toast.LENGTH_SHORT).show();
+                                    }
+                                })
+                                .addOnFailureListener(new OnFailureListener() {
+                                    @Override
+                                    public void onFailure(@NonNull Exception e) {
+                                        Toast.makeText(Home.this, "Đã xảy ra lỗi hệ thống: " + e.getMessage(), Toast.LENGTH_SHORT).show();
+                                    }
+                                });
+                    } else {
+                        waitingDialog.dismiss();
+                        Toast.makeText(Home.this, "Mật khẩu chưa khớp! Vui lòng thử lại!", Toast.LENGTH_SHORT).show();
+                    }
+                } else {
+                    waitingDialog.dismiss();
+                    Toast.makeText(Home.this, "Sai mật khẩu! Vui lòng thử lại!", Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+
+        AlertDialog dialog = alertDialog.create();
+        dialog.show();
+    }
 }

Foodify/app/src/main/java/com/waterbase/foodify/SignIn.java

@@ -86,6 +86,8 @@ public class SignIn extends AppCompatActivity {
                                         Common.currentUser = user;
                                         startActivity(homeIntent);
                                         finish();
+
+                                        table_user.removeEventListener(this);
                                     } else {
                                         Toast.makeText(SignIn.this, "Số điện thoại hoặc mật khẩu không đúng. Xin vui lòng thử lại!", Toast.LENGTH_SHORT).show();
                                     }