Android Studio:使用Firebase进行电子邮件验证后上传用户数据
创始人
2024-08-18 20:30:12
0

要使用Firebase进行电子邮件验证并上传用户数据,您可以按照以下步骤进行操作:

  1. 在Android Studio中创建一个新的Android项目,并确保已配置Firebase。可以在Firebase控制台中创建一个新项目,并将其与Android Studio项目关联。

  2. 添加Firebase身份验证和实时数据库依赖项到你的项目的build.gradle文件中:

dependencies {
    // Firebase身份验证
    implementation 'com.google.firebase:firebase-auth:19.3.2'
    // Firebase实时数据库
    implementation 'com.google.firebase:firebase-database:19.3.1'
}
  1. 在Firebase控制台中启用电子邮件/密码身份验证。

  2. 创建一个SignUpActivity类,用于用户注册。在这个类中,您可以实现电子邮件验证和用户数据上传的代码示例:

import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

import androidx.appcompat.app.AppCompatActivity;

import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseAuthInvalidCredentialsException;
import com.google.firebase.auth.FirebaseAuthInvalidUserException;
import com.google.firebase.auth.FirebaseAuthUserCollisionException;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.database.DatabaseReference;
import com.google.firebase.database.FirebaseDatabase;

public class SignUpActivity extends AppCompatActivity {

    private EditText emailEditText, passwordEditText;
    private Button signUpButton;

    private FirebaseAuth mAuth;
    private DatabaseReference mDatabase;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_sign_up);

        mAuth = FirebaseAuth.getInstance();
        mDatabase = FirebaseDatabase.getInstance().getReference();

        emailEditText = findViewById(R.id.emailEditText);
        passwordEditText = findViewById(R.id.passwordEditText);
        signUpButton = findViewById(R.id.signUpButton);

        signUpButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                signUp();
            }
        });
    }

    private void signUp() {
        String email = emailEditText.getText().toString().trim();
        String password = passwordEditText.getText().toString().trim();

        if (TextUtils.isEmpty(email)) {
            emailEditText.setError("Please enter your email");
            return;
        }

        if (TextUtils.isEmpty(password)) {
            passwordEditText.setError("Please enter your password");
            return;
        }

        mAuth.createUserWithEmailAndPassword(email, password)
                .addOnCompleteListener(this, new OnCompleteListener() {
                    @Override
                    public void onComplete(@NonNull Task task) {
                        if (task.isSuccessful()) {
                            FirebaseUser user = mAuth.getCurrentUser();
                            saveUserData(user);
                            sendEmailVerification();
                            Toast.makeText(SignUpActivity.this, "Registration successful. Please check your email for verification.", Toast.LENGTH_SHORT).show();
                            finish();
                        } else {
                            try {
                                throw task.getException();
                            } catch (FirebaseAuthInvalidUserException e) {
                                Toast.makeText(SignUpActivity.this, "Invalid email", Toast.LENGTH_SHORT).show();
                            } catch (FirebaseAuthInvalidCredentialsException e) {
                                Toast.makeText(SignUpActivity.this, "Invalid password", Toast.LENGTH_SHORT).show();
                            } catch (FirebaseAuthUserCollisionException e) {
                                Toast.makeText(SignUpActivity.this, "User already exists", Toast.LENGTH_SHORT).show();
                            } catch (Exception e) {
                                Toast.makeText(SignUpActivity.this, "Registration failed", Toast.LENGTH_SHORT).show();
                            }
                        }
                    }
                });
    }

    private void sendEmailVerification() {
        FirebaseUser user = mAuth.getCurrentUser();

        user.sendEmailVerification()
                .addOnCompleteListener(this, new OnCompleteListener() {
                    @Override
                    public void onComplete(@NonNull Task task) {
                        if (task.isSuccessful()) {
                            Toast.makeText(SignUpActivity.this, "Verification email sent.", Toast.LENGTH_SHORT).show();
                        } else {
                            Toast.makeText(SignUpActivity.this, "Failed to send verification email.", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
    }

    private void saveUserData(FirebaseUser user) {
        String userId = user.getUid();
        String email = user.getEmail();

        User newUser = new User(userId, email);

        mDatabase.child("users").child(userId).setValue(newUser);
    }
}

在上面的代码中,SignUpActivity类包含了用户注册的逻辑。它使用FirebaseAuth进行电子邮件/密码身份验证,并使用FirebaseDatabase将用户数据保存到Firebase实时数据库中。saveUserData()方法将用户的UID和电子邮件保存为User

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