add

.idea/misc.xml

-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">

app/src/main/java/com/zxhy/simplefilesmanager/simplelist/SimpleListActivity.kt

@@ -11,6 +11,7 @@ import com.zxhy.simplefilesmanager.databinding.ActivitySimpleListBinding
 class SimpleListActivity : AppCompatActivity() {
 
     private lateinit var binding: ActivitySimpleListBinding
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         enableEdgeToEdge()

app/src/main/java/com/zxhy/simplefilesmanager/simplelist/SimpleListViewModel.kt

+package com.zxhy.simplefilesmanager.simplelist
+
+import com.zxhy.simplefilesmanager.simpleCommon.SimpleCommonViewModel
+import com.zxhy.simplefilesmanager.simpledata.JoGridFileJo
+import java.io.File
+
+class SimpleListViewModel : SimpleCommonViewModel() {
+
+    fun isAudio(file: File): Boolean {
+        return file.name.contains(".mp3") or
+                file.name.contains(".aac") or
+                file.name.contains(".ogg") or
+                file.name.contains(".aac")
+    }
+
+    fun loadAudio(
+        onDo: (list: List<JoGridFileJo>) -> Unit,
+        onFinish: (list: List<JoGridFileJo>) -> Unit
+    ) = loadFile(::isAudio, JoGridFileJo.Companion ::joGridFileJo, onDo, onFinish)
+}
\ No newline at end of file