优化：修复眼睛图标显示效果

app/src/main/java/com/sw/dualscreen/activity/fragment/pay/NumberPayFragment.kt

@@ -1,5 +1,7 @@
 package com.sw.dualscreen.activity.fragment.pay
 
+import android.text.InputType
+import com.sw.dualscreen.R
 import com.sw.dualscreen.activity.PayActivity
 import com.sw.dualscreen.activity.fragment.BaseFragment
 import com.sw.dualscreen.databinding.FragmentNumberPayBinding
@@ -13,6 +15,8 @@ class NumberPayFragment : BaseFragment<FragmentNumberPayBinding>() {
     private lateinit var payActivity: PayActivity
     private var foodName: String? = null
     private var payAmount: Double? = null
+    // 密码是否显示的标志
+    private var isPasswordVisible = false
     override fun inflateViewBinding(): FragmentNumberPayBinding {
         return FragmentNumberPayBinding.inflate(layoutInflater)
     }
@@ -27,6 +31,12 @@ class NumberPayFragment : BaseFragment<FragmentNumberPayBinding>() {
             foodName = it.foodName
             payAmount = (it.specPrice ?: 0.0) * payActivity.eatNum
         }
+
+        // 密码显示/隐藏切换
+        binding.ivTogglePassword.setOnClickListener {
+            togglePasswordVisibility()
+        }
+
         binding.btnConfirm.setOnClickListener { v ->
             val phone = binding.etInputPhone.text.toString().trim()
             val key = binding.etInputNumber.text.toString().trim()
@@ -127,6 +137,30 @@ class NumberPayFragment : BaseFragment<FragmentNumberPayBinding>() {
         }
     }
 
+    // 切换密码显示/隐藏
+    private fun togglePasswordVisibility() {
+        val editText = binding.etInputNumber
+        val imageView = binding.ivTogglePassword
+
+        // 保存当前光标位置
+        val cursorPosition = editText.selectionStart
+
+        if (isPasswordVisible) {
+            // 当前显示，改为隐藏
+            editText.inputType = InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_PASSWORD
+            imageView.setImageResource(R.drawable.ic_eye_close)
+            isPasswordVisible = false
+        } else {
+            // 当前隐藏，改为显示
+            editText.inputType = InputType.TYPE_CLASS_TEXT or InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD
+            imageView.setImageResource(R.drawable.ic_eye_open)
+            isPasswordVisible = true
+        }
+
+        // 恢复光标位置
+        editText.setSelection(cursorPosition)
+    }
+
 //    private fun bindOrder(userId: String, block: () -> Unit) {
 //        payActivity.bindOrder(userId) { bindResult ->
 //            if (bindResult.not()) {

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

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <!-- 眼睛轮廓 -->
+    <path
+        android:fillColor="@android:color/transparent"
+        android:strokeColor="@android:color/black"
+        android:strokeWidth="1.5"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:pathData="M 2 12 C 2 12 5 6 12 6 C 19 6 22 12 22 12 C 22 12 19 18 12 18 C 5 18 2 12 2 12 Z" />
+    <!-- 瞳孔（path绘制圆形） -->
+    <path
+        android:fillColor="@android:color/black"
+        android:pathData="M 12 9 C 13.66 9 15 10.34 15 12 C 15 13.66 13.66 15 12 15 C 10.34 15 9 13.66 9 12 C 9 10.34 10.34 9 12 9 Z" />
+    <!-- 斜线表示隐藏 -->
+    <path
+        android:fillColor="@android:color/transparent"
+        android:strokeColor="@android:color/black"
+        android:strokeWidth="1.5"
+        android:strokeLineCap="round"
+        android:pathData="M 4 4 L 20 20" />
+</vector>

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

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <!-- 眼睛轮廓 -->
+    <path
+        android:fillColor="@android:color/transparent"
+        android:strokeColor="@android:color/black"
+        android:strokeWidth="1.5"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:pathData="M 2 12 C 2 12 5 6 12 6 C 19 6 22 12 22 12 C 22 12 19 18 12 18 C 5 18 2 12 2 12 Z" />
+    <!-- 瞳孔（path绘制圆形） -->
+    <path
+        android:fillColor="@android:color/black"
+        android:pathData="M 12 9 C 13.66 9 15 10.34 15 12 C 15 13.66 13.66 15 12 15 C 10.34 15 9 13.66 9 12 C 9 10.34 10.34 9 12 9 Z" />
+</vector>

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

@@ -34,24 +34,41 @@
         android:textStyle="bold"
         tools:ignore="Autofill,HardcodedText,LabelFor,TextFields" />
 
-    <EditText
-        android:id="@+id/etInputNumber"
+    <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="100dp"
         android:layout_marginHorizontal="64dp"
-        android:inputType="textVisiblePassword"
-        android:background="@drawable/setting_border_gray3"
-        android:hint="输入消费码"
-        android:textColorHint="#ffc4cfda"
-        android:textColor="#ff0a1428"
-        android:layout_marginTop="32dp"
-        android:textSize="36sp"
-        android:gravity="center"
-        android:maxLines="1"
-        android:text=""
-        android:paddingHorizontal="50dp"
-        android:textStyle="bold"
-        tools:ignore="Autofill,HardcodedText,LabelFor,TextFields" />
+        android:layout_marginTop="32dp">
+
+        <EditText
+            android:id="@+id/etInputNumber"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:inputType="textPassword"
+            android:background="@drawable/setting_border_gray3"
+            android:hint="输入消费码"
+            android:textColorHint="#ffc4cfda"
+            android:textColor="#ff0a1428"
+            android:textSize="36sp"
+            android:gravity="center"
+            android:maxLines="1"
+            android:text=""
+            android:paddingHorizontal="50dp"
+            android:textStyle="bold"
+            tools:ignore="Autofill,HardcodedText,LabelFor,TextFields" />
+
+        <ImageView
+            android:id="@+id/ivTogglePassword"
+            android:layout_width="50dp"
+            android:layout_height="50dp"
+            android:layout_gravity="center_vertical|end"
+            android:paddingEnd="16dp"
+            android:contentDescription="@string/app_name"
+            android:src="@drawable/ic_eye_close"
+            android:scaleType="centerInside"
+            tools:ignore="HardcodedText" />
+
+    </FrameLayout>
 
     <androidx.appcompat.widget.AppCompatButton
         android:id="@+id/btnConfirm"