first commit

app/src/androidTest/java/com/example/defenseapplication/ExampleInstrumentedTest.kt

@@ -0,0 +1,24 @@
+package com.example.defenseapplication
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.example.defenseapplication", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.DefenseApplication">
+        <activity
+            android:name=".login.ForgetPasswordActivity"
+            android:exported="false" />
+        <activity
+            android:name=".login.RegisterActivity"
+            android:exported="false" />
+        <activity
+            android:name=".login.LoginActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/defenseapplication/login/ForgetPasswordActivity.kt

@@ -0,0 +1,205 @@
+package com.example.defenseapplication.login
+
+import android.os.Bundle
+import android.os.CountDownTimer
+import android.text.InputType
+import android.text.TextUtils
+import android.widget.Toast
+import androidx.activity.enableEdgeToEdge
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.content.ContextCompat
+import androidx.core.view.ViewCompat
+import androidx.core.view.WindowInsetsCompat
+import com.example.defenseapplication.R
+import com.example.defenseapplication.databinding.ForgetPasswordActivityBinding
+import com.example.defenseapplication.okhttp.OkHttpClientManager
+import java.util.regex.Pattern
+import kotlin.random.Random
+
+class ForgetPasswordActivity : AppCompatActivity() {
+    private lateinit var binding: ForgetPasswordActivityBinding
+    private var verifyCode: String? = null          // 存储模拟验证码
+    private var countDownTimer: CountDownTimer? = null
+    private var isSendingCode = false                // 防止重复发送验证码
+
+    companion object {
+        private const val COUNTDOWN_DURATION = 60000L // 60秒倒计时
+        private const val COUNTDOWN_INTERVAL = 1000L
+        private const val MIN_PASSWORD_LENGTH = 6
+        private const val MAX_PASSWORD_LENGTH = 20
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ForgetPasswordActivityBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        setupClickListeners()
+    }
+
+    private fun setupClickListeners() {
+        // 返回按钮
+        binding.backIcon.setOnClickListener {
+            finish()
+        }
+
+        // 发送验证码按钮
+        binding.sendCodeBtn.setOnClickListener {
+            if (!isSendingCode && countDownTimer == null) {
+                val phoneNumber = binding.etPhoneNumber.text.toString().trim()
+                if (isPhoneNumberValid(phoneNumber)) {
+                    sendVerificationCode(phoneNumber)
+                } else {
+                    Toast.makeText(this, "请输入有效的11位手机号", Toast.LENGTH_SHORT).show()
+                }
+            } else {
+                Toast.makeText(this, "请稍后再试", Toast.LENGTH_SHORT).show()
+            }
+        }
+
+        // 确定按钮（重置密码）
+        binding.btnNext.setOnClickListener {
+            performResetPassword()
+        }
+    }
+
+    /**
+     * 手机号格式校验（简单1开头的11位数字）
+     */
+    private fun isPhoneNumberValid(phone: String): Boolean {
+        if (TextUtils.isEmpty(phone)) return false
+        val pattern = Pattern.compile("^1[0-9]{10}$")
+        return pattern.matcher(phone).matches()
+    }
+
+    /**
+     * 发送验证码
+     */
+    private fun sendVerificationCode(phoneNumber: String) {
+        isSendingCode = true
+        binding.sendCodeBtn.isEnabled = false
+
+        OkHttpClientManager.postForm(
+            url = "https://httpbin.org/post",
+            params = mapOf("phone" to phoneNumber)
+        ) { result ->
+            result.onSuccess {
+                verifyCode = (100000 + Random.nextInt(900000)).toString()
+                startCountDown()
+                Toast.makeText(this, "验证码已发送（演示码：$verifyCode）", Toast.LENGTH_SHORT).show()
+            }.onFailure {
+                Toast.makeText(this@ForgetPasswordActivity, "发送失败，请重试", Toast.LENGTH_SHORT).show()
+                resetSendButton()
+            }
+            isSendingCode = false
+        }
+    }
+
+    /**
+     * 开始验证码按钮倒计时
+     */
+    private fun startCountDown() {
+        countDownTimer = object : CountDownTimer(COUNTDOWN_DURATION, COUNTDOWN_INTERVAL) {
+            override fun onTick(millisUntilFinished: Long) {
+                val secondsRemaining = (millisUntilFinished / 1000).toInt()
+                binding.sendCodeBtn.text = "${secondsRemaining}秒后重试"
+                binding.sendCodeBtn.isEnabled = false
+            }
+
+            override fun onFinish() {
+                resetSendButton()
+            }
+        }.start()
+    }
+
+    /**
+     * 重置发送按钮状态
+     */
+    private fun resetSendButton() {
+        countDownTimer?.cancel()
+        countDownTimer = null
+        binding.sendCodeBtn.text = "发送验证码"
+        binding.sendCodeBtn.isEnabled = true
+    }
+
+    /**
+     * 执行重置密码请求
+     */
+    private fun performResetPassword() {
+        val phoneNumber = binding.etPhoneNumber.text.toString().trim()
+        val code = binding.etSmsCode.text.toString().trim()
+        val newPassword = binding.etPassword.text.toString().trim()
+        val confirmPassword = binding.etInviteCode.text.toString().trim()
+
+        // 1. 手机号校验
+        if (!isPhoneNumberValid(phoneNumber)) {
+            Toast.makeText(this, "手机号格式不正确", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        // 2. 验证码校验
+        if (TextUtils.isEmpty(code)) {
+            Toast.makeText(this, "请输入验证码", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (verifyCode == null) {
+            Toast.makeText(this, "请先获取验证码", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (code != verifyCode) {
+            Toast.makeText(this, "验证码错误", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        // 3. 密码校验
+        if (TextUtils.isEmpty(newPassword) || TextUtils.isEmpty(confirmPassword)) {
+            Toast.makeText(this, "密码不能为空", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (newPassword.length < MIN_PASSWORD_LENGTH || newPassword.length > MAX_PASSWORD_LENGTH) {
+            Toast.makeText(this, "密码长度需为${MIN_PASSWORD_LENGTH}-${MAX_PASSWORD_LENGTH}位", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (!newPassword.matches(Regex(".*[A-Za-z].*")) || !newPassword.matches(Regex(".*[0-9].*"))) {
+            Toast.makeText(this, "密码需同时包含字母和数字", Toast.LENGTH_SHORT).show()
+            return
+        }
+        if (newPassword != confirmPassword) {
+            Toast.makeText(this, "两次输入的密码不一致", Toast.LENGTH_SHORT).show()
+            return
+        }
+
+        // 禁用确定按钮，防重复提交
+        binding.btnNext.isEnabled = false
+        binding.btnNext.text = "重置中..."
+
+        val requestJson = """
+            {
+              "phone":"$phoneNumber",
+              "code":"$code",
+              "newPassword":"$newPassword"
+            }
+        """.trimIndent()
+
+        OkHttpClientManager.postJson(
+            url = "https://httpbin.org/post",
+            json = requestJson
+        ) { result ->
+            result.onSuccess {
+                Toast.makeText(this, "密码重置成功，请重新登录", Toast.LENGTH_LONG).show()
+                finish()
+            }.onFailure {
+                Toast.makeText(this, "网络异常，请重试", Toast.LENGTH_SHORT).show()
+            }
+
+            binding.btnNext.isEnabled = true
+            binding.btnNext.text = "确定"
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        countDownTimer?.cancel()
+        countDownTimer = null
+    }
+}

app/src/main/java/com/example/defenseapplication/login/LoginActivity.kt

@@ -0,0 +1,162 @@
+package com.example.defenseapplication.login
+import android.content.Intent
+import com.example.defenseapplication.R
+import android.os.Bundle
+import android.os.CountDownTimer
+import android.view.View
+import android.widget.Toast
+import androidx.appcompat.app.AppCompatActivity
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.constraintlayout.widget.ConstraintSet
+import com.example.defenseapplication.databinding.ActivityLoginBinding
+
+class LoginActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityLoginBinding
+    private var currentLoginMode = LoginMode.SMS
+
+    enum class LoginMode { SMS, PASSWORD }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityLoginBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        setupTabListeners()
+        setupClickListeners()
+        switchToSmsMode()
+    }
+
+    private fun setupTabListeners() {
+        binding.tvSmsLogin.setOnClickListener {
+            if (currentLoginMode != LoginMode.SMS) {
+                currentLoginMode = LoginMode.SMS
+                switchToSmsMode()
+            }
+        }
+        binding.tvPwdLogin.setOnClickListener {
+            if (currentLoginMode != LoginMode.PASSWORD) {
+                currentLoginMode = LoginMode.PASSWORD
+                switchToPasswordMode()
+            }
+        }
+    }
+
+    private fun switchToSmsMode() {
+        binding.tvSmsLogin.setTextColor(getColor(R.color.black))
+        binding.tvPwdLogin.setTextColor(getColor(R.color.gray))
+
+        binding.smsRowLayout.visibility = View.VISIBLE
+        binding.passwordRowLayout.visibility = View.GONE   // 隐藏密码行容器
+
+        binding.registerText.visibility = View.VISIBLE
+        binding.forgetText.visibility = View.GONE
+        updateRegisterTextConstraints(center = true)
+
+        //需要正确的方法名和参数
+        updateLoginButtonTopConstraint(R.id.smsRowLayout)
+    }
+
+    private fun switchToPasswordMode() {
+        binding.tvPwdLogin.setTextColor(getColor(R.color.black))
+        binding.tvSmsLogin.setTextColor(getColor(R.color.gray))
+
+        binding.smsRowLayout.visibility = View.GONE
+        //正确的属性访问
+        binding.passwordRowLayout.visibility = View.VISIBLE  // 显示密码行容器
+
+        binding.registerText.visibility = View.VISIBLE
+        binding.forgetText.visibility = View.VISIBLE
+        updateRegisterTextConstraints(center = false)
+
+        updateLoginButtonTopConstraint(R.id.passwordRowLayout)
+    }
+
+    // 动态修改登录按钮的顶部约束
+    private fun updateLoginButtonTopConstraint(topTargetId: Int) {
+        val params = binding.loginBtn.layoutParams as ConstraintLayout.LayoutParams
+        params.topToBottom = topTargetId
+        params.topMargin = 32
+        binding.loginBtn.layoutParams = params
+    }
+
+    // 动态修改立即注册的约束（居中/左对齐）
+    private fun updateRegisterTextConstraints(center: Boolean) {
+        val params = binding.registerText.layoutParams as ConstraintLayout.LayoutParams
+        if (center) {
+            // 短信模式：居中显示
+            params.startToStart = ConstraintSet.PARENT_ID
+            params.endToEnd = ConstraintSet.PARENT_ID
+        } else {
+            // 密码模式：左对齐登录按钮
+            params.startToStart = binding.loginBtn.id
+            params.endToEnd = ConstraintSet.UNSET
+        }
+        params.topToBottom  = binding.loginBtn.id
+        params.topMargin = 20
+        binding.registerText.layoutParams = params
+    }
+
+    private fun setupClickListeners() {
+        binding.loginBtn.setOnClickListener {
+            val phone = binding.etPhone.text.toString()
+            if (phone.isEmpty()) {
+                Toast.makeText(this, "请输入手机号", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            when (currentLoginMode) {
+                LoginMode.SMS -> {
+                    val code = binding.etSmsCode.text.toString()
+                    if (code.isEmpty()) {
+                        Toast.makeText(this, "请输入验证码", Toast.LENGTH_SHORT).show()
+                    } else {
+                        Toast.makeText(this, "验证码登录成功\n手机号：$phone\n验证码：$code", Toast.LENGTH_SHORT).show()
+                    }
+                }
+                LoginMode.PASSWORD -> {
+                    val pwd = binding.etPassword.text.toString()
+                    if (pwd.isEmpty()) {
+                        Toast.makeText(this, "请输入密码", Toast.LENGTH_SHORT).show()
+                    } else {
+                        Toast.makeText(this, "密码登录成功\n手机号：$phone\n密码：$pwd", Toast.LENGTH_SHORT).show()
+                    }
+                }
+            }
+        }
+
+        binding.sendCodeBtn.setOnClickListener {
+            val phone = binding.etPhone.text.toString()
+            if (phone.isEmpty()) {
+                Toast.makeText(this, "请先输入手机号", Toast.LENGTH_SHORT).show()
+                return@setOnClickListener
+            }
+            Toast.makeText(this, "验证码已发送至 $phone", Toast.LENGTH_SHORT).show()
+            startCountDown()
+        }
+
+        binding.registerText.setOnClickListener {
+            val intent= Intent(this, RegisterActivity::class.java)
+            startActivity(intent)
+            Toast.makeText(this, "跳转到注册页面", Toast.LENGTH_SHORT).show()
+        }
+
+        binding.forgetText.setOnClickListener {
+            val intent= Intent(this, ForgetPasswordActivity::class.java)
+            startActivity(intent)
+            Toast.makeText(this, "找回密码", Toast.LENGTH_SHORT).show()
+        }
+    }
+
+    private fun startCountDown() {
+        binding.sendCodeBtn.isEnabled = false
+        object : CountDownTimer(60000, 1000) {
+            override fun onTick(millisUntilFinished: Long) {
+                binding.sendCodeBtn.text = "${millisUntilFinished / 1000}秒后重试"
+            }
+            override fun onFinish() {
+                binding.sendCodeBtn.text = "发送验证码"
+                binding.sendCodeBtn.isEnabled = true
+            }
+        }.start()
+    }
+}

app/src/main/java/com/example/defenseapplication/login/RegisterActivity.kt

@@ -0,0 +1,185 @@
+package com.example.defenseapplication.login
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import com.example.defenseapplication.databinding.RegisterActivityBinding
+
+/**
+ * 注册页面
+ * 功能：收集用户信息（手机号、身份证号、密码、邀请码），
+ *       进行前端格式校验，模拟注册请求并反馈结果。
+ */
+class RegisterActivity : AppCompatActivity() {
+    private lateinit var binding: RegisterActivityBinding
+    private var isLoading = false // 防止重复点击
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = RegisterActivityBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        setupListeners()
+        //setupTextWatchers()
+    }
+
+    private fun setupListeners() {
+        // 返回按钮
+        binding.backIcon.setOnClickListener {
+            finish()
+        }
+
+        // 下一步按钮
+        binding.btnNext.setOnClickListener {
+            if (!isLoading) {
+                //performRegistration()
+            }
+        }
+    }
+//
+//    /**
+//     * 为输入框添加文字监听，实时清除错误提示
+//     */
+//    private fun setupTextWatchers() {
+//        val errorClearWatcher = object : TextWatcher {
+//            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {}
+//            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {}
+//            override fun afterTextChanged(s: Editable?) {
+//                // 当用户开始输入时，清除该字段的错误
+//                when (binding.etPhoneNumber.hasFocus()) {
+//                    true -> binding.etPhoneNumber.error = null
+//                    else -> Unit
+//                }
+//                when (binding.etIdNumber.hasFocus()) {
+//                    true -> binding.etIdNumber.error = null
+//                    else -> Unit
+//                }
+//                when (binding.etPassword.hasFocus()) {
+//                    true -> binding.etPassword.error = null
+//                    else -> Unit
+//                }
+//            }
+//        }
+//
+//        binding.etPhoneNumber.addTextChangedListener(errorClearWatcher)
+//        binding.etIdNumber.addTextChangedListener(errorClearWatcher)
+//        binding.etPassword.addTextChangedListener(errorClearWatcher)
+//    }
+//
+//    /**
+//     * 执行注册流程：校验输入 -> 模拟网络请求
+//     */
+//    private fun performRegistration() {
+//        val phone = binding.etPhoneNumber.text.toString().trim()
+//        val idNumber = binding.etIdNumber.text.toString().trim()
+//        val password = binding.etPassword.text.toString().trim()
+//        val inviteCode = binding.etInviteCode.text.toString().trim()
+//
+//        // 1. 校验
+//        val phoneValid = validatePhone(phone)
+//        val idValid = validateIdNumber(idNumber)
+//        val passwordValid = validatePassword(password)
+//
+//        if (!phoneValid) {
+//            binding.etPhoneNumber.error = "请输入有效的11位手机号"
+//            binding.etPhoneNumber.requestFocus()
+//            return
+//        }
+//        if (!idValid) {
+//            binding.etIdNumber.error = "请输入正确的身份证号"
+//            binding.etIdNumber.requestFocus()
+//            return
+//        }
+//        if (!passwordValid) {
+//            binding.etPassword.error = "密码长度需为6~20位"
+//            binding.etPassword.requestFocus()
+//            return
+//        }
+//
+//        // 2. 模拟注册请求（展示加载状态）
+//        isLoading = true
+//        binding.btnNext.isEnabled = false
+//        binding.btnNext.text = "注册中..."
+//
+//        lifecycleScope.launch {
+//            // 模拟网络延迟 1.5 秒
+//            val registerResult = simulateRegister(phone, idNumber, password, inviteCode)
+//            delay(1500)
+//
+//            isLoading = false
+//            binding.btnNext.isEnabled = true
+//            binding.btnNext.text = "下一步"
+//
+//            if (registerResult) {
+//                Toast.makeText(this@RegisterActivity, "注册成功！", Toast.LENGTH_SHORT).show()
+//                // 实际项目中通常跳转到登录页或主页，这里简单关闭当前页面
+//                finish()
+//            } else {
+//                Toast.makeText(this@RegisterActivity, "注册失败，请稍后重试", Toast.LENGTH_SHORT).show()
+//            }
+//        }
+//    }
+//
+//    /**
+//     * 模拟注册请求（实际应替换为 Retrofit/OkHttp 调用）
+//     */
+//    private suspend fun simulateRegister(
+//        phone: String,
+//        idNumber: String,
+//        password: String,
+//        inviteCode: String
+//    ): Boolean {
+//        // 模拟网络请求，此处始终返回成功（实际根据后端响应决定）
+//        // 您可以在这里添加真实网络请求逻辑
+//        return true
+//    }
+//    /**
+//     * 校验手机号：中国大陆手机号（简单校验1开头的11位数字，第二位3-9）
+//     */
+//    private fun validatePhone(phone: String): Boolean {
+//        val phoneRegex = Pattern.compile("^1[3-9]\\d{9}$")
+//        return phone.isNotEmpty() && phoneRegex.matcher(phone).matches()
+//    }
+//
+//    /**
+//     * 校验身份证号（支持15位和18位，18位时校验最后一位校验码）
+//     */
+//    private fun validateIdNumber(idNumber: String): Boolean {
+//        if (idNumber.isEmpty()) return false
+//        // 长度校验
+//        if (idNumber.length != 15 && idNumber.length != 18) return false
+//
+//        // 15位全数字
+//        if (idNumber.length == 15) {
+//            return idNumber.all { it.isDigit() }
+//        }
+//
+//        // 18位：前17位为数字，最后一位为数字或大写X
+//        val regex = Regex("^\\d{17}[\\dXx]$")
+//        if (!regex.matches(idNumber)) return false
+//
+//        // 校验最后一位校验码（可选，提升准确性）
+//        return verifyIdCardChecksum(idNumber)
+//    }
+//
+//    /**
+//     * 身份证最后一位校验码校验（仅18位）
+//     */
+//    private fun verifyIdCardChecksum(id18: String): Boolean {
+//        val weights = intArrayOf(7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2)
+//        val checkCodes = charArrayOf('1', '0', 'X', '9', '8', '7', '6', '5', '4', '3', '2')
+//        var sum = 0
+//        for (i in 0 until 17) {
+//            sum += (id18[i] - '0') * weights[i]
+//        }
+//        val mod = sum % 11
+//        val expectedCheckCode = checkCodes[mod]
+//        return id18[17].uppercaseChar() == expectedCheckCode
+//    }
+//
+//    /**
+//     * 校验密码：长度6~20位
+//     */
+//    private fun validatePassword(password: String): Boolean {
+//        return password.length in 6..20
+//    }
+}

app/src/main/java/com/example/defenseapplication/okhttp/OkHttpClient.kt

@@ -0,0 +1,4 @@
+package com.example.defenseapplication.okhttp
+
+class OkHttpClient {
+}

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/src/main/res/drawable/rounded_blue_bg.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/green"/>
+    <corners android:radius="16dp"/>
+</shape>

app/src/main/res/drawable/textinput_white_bg.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="@color/white"/>
+    <corners android:radius="10dp"/>
+</shape>

app/src/main/res/layout/activity_login.xml

@@ -0,0 +1,258 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@color/login_background"
+    android:id="@+id/main"
+    android:padding="16dp">
+
+    <!-- Logo 图片：水平居中 -->
+    <ImageView
+        android:id="@+id/logoFrame"
+        android:layout_width="80dp"
+        android:layout_height="80dp"
+        android:src="@mipmap/loge"
+        android:contentDescription="Logo"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginTop="32dp" />
+
+    <!-- 文字：放在图片下方，水平居中 -->
+    <TextView
+        android:id="@+id/logoText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="智能防御机"
+        android:textSize="28sp"
+        android:textStyle="bold"
+        android:textColor="@color/black"
+        app:layout_constraintTop_toBottomOf="@id/logoFrame"
+        app:layout_constraintStart_toStartOf="@id/logoFrame"
+        app:layout_constraintEnd_toEndOf="@id/logoFrame"
+        android:layout_marginTop="12dp" />
+
+    <!-- Tab 切换栏背景（可选下划线指示器） -->
+    <View
+        android:id="@+id/tabDivider"
+        android:layout_width="0dp"
+        android:layout_height="2dp"
+        app:layout_constraintTop_toBottomOf="@+id/tvSmsLogin"
+        app:layout_constraintStart_toStartOf="@+id/tvSmsLogin"
+        app:layout_constraintEnd_toEndOf="@+id/tvPwdLogin"
+        app:layout_constraintWidth_percent="0.5"
+        android:visibility="invisible" />
+
+    <!-- 验证码登录 Tab -->
+    <TextView
+        android:id="@+id/tvSmsLogin"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="58dp"
+        android:gravity="center"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp"
+        android:text="验证码登录"
+        android:textColor="@color/black"
+        android:textSize="18sp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/logoText" />
+
+    <!-- 密码登录 Tab -->
+    <TextView
+        android:id="@+id/tvPwdLogin"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="密码登录"
+        android:textSize="18sp"
+        android:gravity="center"
+        android:paddingTop="16dp"
+        android:paddingBottom="16dp"
+        android:textColor="@color/gray"
+        app:layout_constraintTop_toTopOf="@+id/tvSmsLogin"
+        app:layout_constraintStart_toEndOf="@+id/tvSmsLogin"
+        android:layout_marginStart="24dp" />
+    <!-- 手机号输入行容器 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/phoneRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:background="@drawable/textinput_white_bg"
+        app:layout_constraintTop_toBottomOf="@+id/tvSmsLogin"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp">
+        <ImageView
+            android:id="@+id/ivPhoneIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/lg"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+        <!-- 手机号输入框 -->
+        <EditText
+            android:id="@+id/etPhone"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入手机号"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+            android:inputType="phone"
+            android:paddingVertical="16dp"
+            app:layout_constraintStart_toEndOf="@+id/ivPhoneIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    <!-- 验证码登录专用区域：图标 + 验证码输入框 + 发送按钮 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/smsRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintTop_toBottomOf="@+id/phoneRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:visibility="visible">
+
+        <!-- 左侧图标 -->
+        <ImageView
+            android:id="@+id/ivSmsIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/vc"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 验证码输入框（无背景） -->
+        <EditText
+            android:id="@+id/etSmsCode"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入验证码"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+        android:inputType="number"
+        android:paddingVertical="16dp"
+        app:layout_constraintStart_toEndOf="@+id/ivSmsIcon"
+        app:layout_constraintEnd_toStartOf="@+id/sendCodeBtn"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 发送验证码按钮 -->
+        <android.widget.Button
+            android:id="@+id/sendCodeBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="发送验证码"
+            android:textSize="16sp"
+            android:textColor="@color/white"
+            android:background="@drawable/rounded_blue_bg"
+            android:paddingHorizontal="12dp"
+            android:maxWidth="120dp"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            android:layout_marginStart="12dp" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 密码登录专用区域：图标 + 密码输入框 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/passwordRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintTop_toBottomOf="@+id/phoneRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:visibility="gone">      <!-- 初始隐藏 -->
+
+        <!-- 左侧图标 -->
+        <ImageView
+            android:id="@+id/ivPasswordIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/ma"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 密码输入框（无背景） -->
+        <EditText
+            android:id="@+id/etPassword"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入密码"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+            android:inputType="textPassword"
+            android:paddingVertical="16dp"
+            app:layout_constraintStart_toEndOf="@+id/ivPasswordIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    <!-- 登录按钮 -->
+    <android.widget.Button
+        android:id="@+id/loginBtn"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        android:text="登录"
+        android:textSize="18sp"
+        android:background="@drawable/rounded_blue_bg"
+        android:textColor="@color/white"
+        app:layout_constraintTop_toBottomOf="@+id/smsRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <!-- 立即注册 -->
+    <TextView
+        android:id="@+id/registerText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="立即注册"
+        android:textSize="14sp"
+        android:textColor="@color/green"
+        android:padding="8dp"
+        app:layout_constraintTop_toBottomOf="@+id/loginBtn"
+        app:layout_constraintStart_toStartOf="@+id/loginBtn"
+        android:layout_marginTop="20dp" />
+
+    <!-- 忘记密码 -->
+    <TextView
+        android:id="@+id/forgetText"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="忘记密码"
+        android:textSize="14sp"
+        android:textColor="@color/green"
+        android:padding="8dp"
+        android:visibility="gone"
+        app:layout_constraintTop_toTopOf="@+id/registerText"
+        app:layout_constraintEnd_toEndOf="@+id/loginBtn" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/forget_password_activity.xml

@@ -0,0 +1,259 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@color/login_background"
+    android:id="@+id/main"
+    android:padding="16dp"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".login.RegisterActivity">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/topContainer"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp">
+        <ImageView
+            android:id="@+id/backIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/back"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+        <!-- 标题：找回密码 -->
+        <TextView
+            android:id="@+id/tvRegisterTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="找回密码"
+            android:textColor="@color/black"
+            android:textSize="32sp"
+            android:textStyle="bold"
+            app:layout_constraintBottom_toBottomOf="@id/backIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/backIcon" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 副标题：找回密码 -->
+    <TextView
+        android:id="@+id/tvRegisterSubtitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="找回密码"
+        android:textColor="@color/black"
+        android:textSize="20dp"
+        android:textStyle="bold"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/topContainer" />
+
+    <!-- 手机号输入行容器 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/phoneRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/tvRegisterSubtitle">
+
+        <ImageView
+            android:id="@+id/ivPhoneIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/lg"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/etPhoneNumber"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:background="@null"
+            android:hint="请输入手机号"
+            android:inputType="phone"
+            android:maxLength="11"
+            android:paddingVertical="16dp"
+            android:textColor="@android:color/black"
+            android:textColorHint="@color/gray"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ivPhoneIcon"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 验证码登录专用区域：图标 + 验证码输入框 + 发送按钮 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/smsRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintTop_toBottomOf="@+id/phoneRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:visibility="visible">
+
+        <!-- 左侧图标 -->
+        <ImageView
+            android:id="@+id/ivSmsIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/vc"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 验证码输入框（无背景） -->
+        <EditText
+            android:id="@+id/etSmsCode"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入验证码"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+            android:inputType="number"
+            android:paddingVertical="16dp"
+            app:layout_constraintStart_toEndOf="@+id/ivSmsIcon"
+            app:layout_constraintEnd_toStartOf="@+id/sendCodeBtn"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 发送验证码按钮 -->
+        <android.widget.Button
+            android:id="@+id/sendCodeBtn"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="发送验证码"
+            android:textSize="16sp"
+            android:textColor="@color/white"
+            android:background="@drawable/rounded_blue_bg"
+            android:paddingHorizontal="12dp"
+            android:maxWidth="120dp"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            android:layout_marginStart="12dp" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 请输入新密码 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/passwordRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintTop_toBottomOf="@+id/smsRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <!-- 左侧图标 -->
+        <ImageView
+            android:id="@+id/ivPasswordIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 密码输入框（无背景） -->
+        <EditText
+            android:id="@+id/etPassword"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入新密码"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+            android:inputType="text"
+            android:paddingVertical="16dp"
+            app:layout_constraintStart_toEndOf="@+id/ivPasswordIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    <!-- 请再次输入新密码 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/inviteRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passwordRowLayout">
+
+        <ImageView
+            android:id="@+id/ivInviteIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/etInviteCode"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:background="@null"
+            android:hint="请再次输入新密码"
+            android:inputType="text"
+            android:maxLength="10"
+            android:paddingVertical="16dp"
+            android:textColor="@android:color/black"
+            android:textColorHint="@color/gray"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ivInviteIcon"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 确定按钮 -->
+    <android.widget.Button
+        android:id="@+id/btnNext"
+        android:layout_width="0dp"
+        android:layout_height="56dp"
+        android:layout_marginTop="32dp"
+        android:text="确定"
+        android:textAllCaps="false"
+        android:textSize="16sp"
+        app:cornerRadius="12dp"
+        android:textColor="@color/white"
+        android:background="@drawable/rounded_blue_bg"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/inviteRowLayout" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/register_activity.xml

@@ -0,0 +1,244 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:background="@color/login_background"
+    android:id="@+id/main"
+    android:padding="16dp"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".login.RegisterActivity">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/topContainer"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp">
+        <ImageView
+            android:id="@+id/backIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/back"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+        <!-- 标题：注册 -->
+        <TextView
+            android:id="@+id/tvRegisterTitle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="注册"
+            android:textColor="@color/black"
+            android:textSize="32sp"
+            android:textStyle="bold"
+            app:layout_constraintBottom_toBottomOf="@id/backIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="@id/backIcon" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 副标题：注册用户 -->
+    <TextView
+        android:id="@+id/tvRegisterSubtitle"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:text="注册用户"
+        android:textColor="@color/black"
+        android:textSize="20dp"
+        android:textStyle="bold"
+        android:layout_marginTop="8dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/topContainer" />
+
+    <!-- 手机号输入行容器 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/phoneRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="32dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/tvRegisterSubtitle">
+
+        <ImageView
+            android:id="@+id/ivPhoneIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/lg"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/etPhoneNumber"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:background="@null"
+            android:hint="请输入手机号"
+            android:inputType="phone"
+            android:maxLength="11"
+            android:paddingVertical="16dp"
+            android:textColor="@android:color/black"
+            android:textColorHint="@color/gray"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ivPhoneIcon"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 身份证号输入框 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/idRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/phoneRowLayout">
+
+        <ImageView
+            android:id="@+id/ivIdIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/id_card"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/etIdNumber"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:background="@null"
+            android:hint="请输入身份证号"
+            android:inputType="text"
+            android:maxLength="18"
+            android:paddingVertical="16dp"
+            android:textColor="@android:color/black"
+            android:textColorHint="@color/gray"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ivIdIcon"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 密码输入框 -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/passwordRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintTop_toBottomOf="@+id/idRowLayout"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent">
+
+        <!-- 左侧图标 -->
+        <ImageView
+            android:id="@+id/ivPasswordIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/ma"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+        <!-- 密码输入框 -->
+        <EditText
+            android:id="@+id/etPassword"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:hint="请输入密码"
+            android:textColorHint="@color/gray"
+            android:textColor="@android:color/black"
+            android:background="@null"
+            android:inputType="text"
+            android:paddingVertical="16dp"
+            app:layout_constraintStart_toEndOf="@+id/ivPasswordIcon"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"
+            app:layout_constraintBottom_toBottomOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+
+    <!-- 邀请码输入框（非必填） -->
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:id="@+id/inviteRowLayout"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="16dp"
+        android:background="@drawable/textinput_white_bg"
+        android:paddingStart="16dp"
+        android:paddingEnd="16dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/passwordRowLayout">
+
+        <ImageView
+            android:id="@+id/ivInviteIcon"
+            android:layout_width="20dp"
+            android:layout_height="20dp"
+            android:src="@mipmap/ic"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <EditText
+            android:id="@+id/etInviteCode"
+            android:layout_width="0dp"
+            android:layout_height="wrap_content"
+            android:layout_marginStart="12dp"
+            android:background="@null"
+            android:hint="请输入邀请码（非必填）"
+            android:inputType="text"
+            android:maxLength="10"
+            android:paddingVertical="16dp"
+            android:textColor="@android:color/black"
+            android:textColorHint="@color/gray"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@+id/ivInviteIcon"
+            app:layout_constraintTop_toTopOf="parent" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+    <!-- 下一步按钮 -->
+    <android.widget.Button
+        android:id="@+id/btnNext"
+        android:layout_width="0dp"
+        android:layout_height="56dp"
+        android:layout_marginTop="32dp"
+        android:text="下一步"
+        android:textAllCaps="false"
+        android:textSize="16sp"
+        app:cornerRadius="12dp"
+        android:textColor="@color/white"
+        android:background="@drawable/rounded_blue_bg"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/inviteRowLayout" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,7 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.DefenseApplication" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your dark theme here. -->
+        <!-- <item name="colorPrimary">@color/my_dark_primary</item> -->
+    </style>
+</resources>

app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+    <color name="green">#09C2BD </color>
+    <color name="gray">#999999</color>
+    <color name="login_background">#EDF4FF</color>
+    <color name="red">#E34D59</color>
+
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">DefenseApplication</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,9 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Base.Theme.DefenseApplication" parent="Theme.Material3.DayNight.NoActionBar">
+        <!-- Customize your light theme here. -->
+        <!-- <item name="colorPrimary">@color/my_light_primary</item> -->
+    </style>
+
+    <style name="Theme.DefenseApplication" parent="Base.Theme.DefenseApplication" />
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older than API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/com/example/defenseapplication/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.example.defenseapplication
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}