feat(lite): 优化弹出菜单样式并添加三角形边框

- 新增 border_triangle.xml 文件，用于创建三角形边框- 修改 EasyPopupWindow 类，优化菜单项适配器初始化
- 更新 MultipleChoiceAdapterFragment 中的回调接口使用
- 重构 popup_menu_option.xml 布局，添加三角形边框并调整卡片样式

Author: AndroidCoderPeng

app/src/main/java/com/pengxh/kt/lib/fragments/adapter/MultipleChoiceAdapterFragment.kt

@@ -49,7 +49,7 @@ class MultipleChoiceAdapterFragment : KotlinBaseFragment<FragmentAdapterMultiple
         binding.recyclerView.adapter = selectedAdapter
         selectedAdapter.setOnItemCheckedListener(object :
             MultipleChoiceAdapter.OnItemCheckedListener<String> {
-            override fun onItemChecked(position: Int, items: ArrayList<String>) {
+            override fun onItemChecked(items: List<String>) {
                 Log.d(kTag, "onItemChecked => ${items.toJson()}")
             }
         })

lite/src/main/java/com/pengxh/kt/lite/widget/EasyPopupWindow.kt

@@ -28,9 +28,8 @@ class EasyPopupWindow constructor(context: Context) : PopupWindow() {
 
     fun set(menuItems: ArrayList<MenuItem>, windowClickListener: OnPopupWindowClickListener) {
         val listView = contentView.findViewById<ListView>(R.id.listView)
+        val inflater = LayoutInflater.from(contentView.context)
         listView.adapter = object : BaseAdapter() {
-            private val inflater: LayoutInflater = LayoutInflater.from(contentView.context)
-
             override fun getCount(): Int {
                 return menuItems.size
             }

lite/src/main/res/drawable/border_triangle.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="20px"
+    android:height="20px"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+    <path
+        android:fillColor="#030B14"
+        android:pathData="M71.7,893.3l440.3,-762.7 440.3,762.7z" />
+</vector>

lite/src/main/res/layout/popup_menu_option.xml

@@ -1,16 +1,29 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+<RelativeLayout 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="wrap_content"
-    android:backgroundTint="#030B14"
-    app:cardCornerRadius="@dimen/lib_dp_5">
+    android:layout_height="wrap_content">
 
-    <ListView
-        android:id="@+id/listView"
+    <View
+        android:layout_width="@dimen/lib_dp_20"
+        android:layout_height="@dimen/lib_dp_20"
+        android:layout_alignParentEnd="true"
+        android:layout_marginEnd="@dimen/lib_dp_15"
+        android:background="@drawable/border_triangle" />
+
+    <androidx.cardview.widget.CardView
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:divider="@drawable/popup_list_divider"
-        android:dividerHeight="@dimen/lib_px_1"
-        android:scrollbars="none" />
-</androidx.cardview.widget.CardView>
+        android:layout_marginTop="17dp"
+        android:backgroundTint="#030B14"
+        app:cardCornerRadius="@dimen/lib_dp_5">
+
+        <ListView
+            android:id="@+id/listView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:divider="@drawable/popup_list_divider"
+            android:dividerHeight="@dimen/lib_px_1"
+            android:scrollbars="none" />
+    </androidx.cardview.widget.CardView>
+</RelativeLayout>