在android应用程序中使用电子邮件和密码firebase身份验证以管理员身份登录

implementation 'com.google.firebase:firebase-auth:21.0.1'

FirebaseAuth mAuth = FirebaseAuth.getInstance();
String email = emailEditText.getText().toString();
String password = passwordEditText.getText().toString();

mAuth.signInWithEmailAndPassword(email, password)
    .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
        @Override
        public void onComplete(@NonNull Task<AuthResult> task) {
            if (task.isSuccessful()) {
                // 登录成功，可以执行管理员相关操作
            } else {
                // 登录失败，显示错误消息
                Toast.makeText(MainActivity.this, "登录失败", Toast.LENGTH_SHORT).show();
            }
        }
    });