fixed a bug

android/oral-trainer-sdk/src/main/java/cn/learningpad/oraltrainer/sdk/UserApi.kt

@@ -106,7 +106,7 @@ class UserApi internal constructor(
         username: String,
         password: String,
         nickname: String? = null,
-        phone: String? = null,
+        phone: String,
         onComplete: (Result<AuthSession>) -> Unit,
     ): CancellableRequest = submit(onComplete) {
         requestRegisterBlocking(
@@ -234,13 +234,16 @@ class UserApi internal constructor(
         username: String,
         password: String,
         nickname: String?,
-        phone: String?,
+        phone: String,
     ): AuthSession {
+        val cleanedPhone = phone.trim()
+        require(cleanedPhone.isNotEmpty()) { "请填写手机号" }
+        require(PHONE_PATTERN.matches(cleanedPhone)) { "请输入有效的 11 位手机号" }
         val root = JSONObject()
             .put("username", username)
             .put("password", password)
         nickname?.takeIf { it.isNotBlank() }?.let { root.put("nickname", it) }
-        phone?.takeIf { it.isNotBlank() }?.let { root.put("phone", it) }
+        root.put("phone", cleanedPhone)
         val response = request(path, body = root.toString(), method = "POST")
         return parseSession(JSONObject(response))
     }
@@ -385,3 +388,5 @@ data class SsoExchangeResult(
     val phoneBound: Boolean,
     val isNewUser: Boolean,
 )
+
+private val PHONE_PATTERN = Regex("^1[3-9]\\d{9}$")

android/sample-app/src/main/java/cn/learningpad/oraltrainer/sample/AuthCoordinator.kt

@@ -139,7 +139,7 @@ internal class AuthCoordinator(
                 InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD,
             )
             val nicknameInput = labeledInput("姓名", "你的真实姓名或昵称")
-            val phoneInput = labeledInput("手机号", "选填", InputType.TYPE_CLASS_PHONE)
+            val phoneInput = labeledInput("手机号", "请输入 11 位手机号", InputType.TYPE_CLASS_PHONE)
             val statusText = statusText()
 
             addView(primaryButton("注册") {
@@ -151,6 +151,7 @@ internal class AuthCoordinator(
                     username.length < 3 -> statusText.text = "用户名至少 3 个字符"
                     password.length < 8 -> statusText.text = "密码至少 8 位"
                     nickname.isBlank() -> statusText.text = "请填写姓名"
+                    !PHONE_PATTERN.matches(phone) -> statusText.text = "请输入有效的 11 位手机号"
                     else -> {
                         statusText.text = "注册中..."
                         userApi.register(username, password, nickname, phone) { result ->