图片卡顿

MyDemo3/app/build.gradle

@@ -97,4 +97,6 @@ dependencies {
 //    compile(name:'trustlook_cleanjunk_sdk_release_3.0.4.20240322',ext:'aar')
     implementation files('libs/trustlook_cleanjunk_sdk_release_3.0.4.20240322.aar')
     implementation files('libs/cloudscan_sdk_5.0.5.20240306.aar')
+
+    implementation("com.github.bumptech.glide:glide:4.15.1")
 }

MyDemo3/app/src/main/java/com/xm/test/myfilemaster/activity/MediaActivity.kt

@@ -13,6 +13,8 @@ import androidx.lifecycle.ViewModelProvider
 import com.kongzue.dialogx.dialogs.WaitDialog
 import com.xm.test.myfilemaster.R
 import com.xm.test.myfilemaster.adapter.MediaAdapter
+import com.xm.test.myfilemaster.adapter.MediaAdapter2
+import com.xm.test.myfilemaster.databinding.ActivityMediaBinding
 import com.xm.test.myfilemaster.model.FileBean
 import com.xm.test.myfilemaster.util.FileUtil
 
@@ -31,8 +33,11 @@ class MediaActivity : AppCompatActivity() {
     private lateinit var mTitleTv: TextView
 
     lateinit var mItemCheckedArray: SparseBooleanArray
-    private  var mItemDataList = ArrayList<FileBean>()
-    private var mItemAdapter: MediaAdapter? =null
+    private var mItemDataList = ArrayList<FileBean>()
+    private lateinit var binding: ActivityMediaBinding
+
+    //    private var mItemAdapter: MediaAdapter? = null
+    private var mItemAdapter: MediaAdapter2? = null
     private var mDataList: ArrayList<String> = ArrayList<String>()
     private var mCheckedDataList: ArrayList<String> = ArrayList<String>()
 
@@ -40,27 +45,28 @@ class MediaActivity : AppCompatActivity() {
 
     private lateinit var mModel: BaseActivityViewModel
 
-    val mFileTypeBeanList : ArrayList<String> = ArrayList()
+    val mFileTypeBeanList: ArrayList<String> = ArrayList()
 
     var mShowBeanData: ArrayList<String> = ArrayList()
     var mStartNumber: Int = 0
 
     var mIsCheckClick = false
 
-    companion object{
+    companion object {
         var isClickEditBtn = false
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_media)
+        binding = ActivityMediaBinding.inflate(layoutInflater)
+        setContentView(binding.root)
 
         initView()
     }
 
     @SuppressLint("ClickableViewAccessibility")
     private fun initView() {
-        mGridView = findViewById(R.id.image_item_grid)
+//        mGridView = findViewById(R.id.image_item_grid)
         mTitleBar = findViewById(R.id.title_bar)
         mSelectBar = findViewById(R.id.switch_and_select_layout)
 //        mScrollView = findViewById(R.id.grid_view_scroll)
@@ -81,17 +87,19 @@ class MediaActivity : AppCompatActivity() {
 
         mItemCheckedArray = SparseBooleanArray()
         val fileType = intent.getStringExtra("fileType").toString()
-        mItemAdapter = MediaAdapter(mItemDataList, this, mItemCheckedArray, fileType, 118)
-        mGridView.adapter = mItemAdapter
+//        mItemAdapter = MediaAdapter(mItemDataList, this, mItemCheckedArray, fileType, 118)
+        mItemAdapter = MediaAdapter2()
+//        mGridView.adapter = mItemAdapter
+        binding.imageItemGrid.adapter = mItemAdapter
         Thread(Runnable {
             WaitDialog.show("please wait..")
             mItemDataList = FileUtil.getMediaFiles(this, fileType, 20)
             runOnUiThread {
-                mItemAdapter?.setData(mItemDataList)
                 WaitDialog.dismiss()
-                for (fileBean in mItemDataList){
+                for (fileBean in mItemDataList) {
                     mDataList.add(fileBean.filePath)
                 }
+                mItemAdapter?.setData(mItemDataList)
             }
         }).start()
 
@@ -131,31 +139,31 @@ class MediaActivity : AppCompatActivity() {
         }
     }
 
-    private fun setOnGridViewItemClickListener(){
-        mGridView.setOnItemClickListener { parent, view, position, id ->
-            if (isClickEditBtn){
-                updateCheckBoxStatus(view, position)
-            }else{
-                //TODO 点击进入图片或视频播放
-            }
-        }
+    private fun setOnGridViewItemClickListener() {
+//        mGridView.setOnItemClickListener { parent, view, position, id ->
+//            if (isClickEditBtn) {
+//                updateCheckBoxStatus(view, position)
+//            } else {
+//                //TODO 点击进入图片或视频播放
+//            }
+//        }
     }
 
-    private fun setStateCheckedMap(isChecked: Boolean){
-        for(i in mDataList.indices){
+    private fun setStateCheckedMap(isChecked: Boolean) {
+        for (i in mDataList.indices) {
             mItemCheckedArray.put(i, isChecked)
             mGridView.setItemChecked(i, isChecked)
         }
     }
 
-    private fun updateCheckBoxStatus(view: View, position: Int){
+    private fun updateCheckBoxStatus(view: View, position: Int) {
         val viewHolder = view.tag as MediaAdapter.ViewHolder
         viewHolder.checkedBox.toggle()
         mGridView.setItemChecked(position, viewHolder.checkedBox.isChecked)
         mItemCheckedArray.put(position, viewHolder.checkedBox.isChecked)
-        if (viewHolder.checkedBox.isChecked){
+        if (viewHolder.checkedBox.isChecked) {
             mCheckedDataList.add(mDataList[position])
-        }else{
+        } else {
             mCheckedDataList.remove(mDataList[position])
         }
         mItemAdapter?.notifyDataSetChanged()
@@ -163,14 +171,14 @@ class MediaActivity : AppCompatActivity() {
         mModel.setNumber(mCheckedNumber)
     }
 
-    private fun selectAll(){
+    private fun selectAll() {
         mCheckedDataList.clear()
-        mCheckedNumber = if (mIsCheckClick){
-            setStateCheckedMap( true)
+        mCheckedNumber = if (mIsCheckClick) {
+            setStateCheckedMap(true)
             mCheckedDataList.addAll(mDataList)
             mCheckedDataList.size
-        }else{
-            setStateCheckedMap( false)
+        } else {
+            setStateCheckedMap(false)
             0
         }
         mModel.setNumber(mCheckedNumber)
@@ -179,9 +187,9 @@ class MediaActivity : AppCompatActivity() {
 
     override fun onBackPressed() {
         mItemAdapter?.notifyDataSetChanged()
-        if (isClickEditBtn){
+        if (isClickEditBtn) {
             cancelBtn()
-        }else{
+        } else {
             super.onBackPressed()
         }
     }

MyDemo3/app/src/main/java/com/xm/test/myfilemaster/adapter/MediaAdapter2.kt

+package com.xm.test.myfilemaster.adapter
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.util.SparseBooleanArray
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.BaseAdapter
+import android.widget.CheckBox
+import android.widget.ImageView
+import androidx.recyclerview.widget.RecyclerView
+import com.bumptech.glide.Glide
+import com.xm.test.myfilemaster.R
+import com.xm.test.myfilemaster.activity.MediaActivity
+import com.xm.test.myfilemaster.databinding.ItemImageVideoBinding
+import com.xm.test.myfilemaster.model.FileBean
+import com.xm.test.myfilemaster.util.FileUtil
+
+class MediaAdapter2 : RecyclerView.Adapter<MediaAdapter2.CCC>() {
+
+
+    private var mListData: ArrayList<FileBean> = arrayListOf()
+
+    fun Int.inflate(parent: ViewGroup, attachToRoot: Boolean = false): View {
+        return LayoutInflater.from(parent.context).inflate(this, parent, attachToRoot)
+    }
+
+    class CCC(view: View) : RecyclerView.ViewHolder(view) {
+        val binding = ItemImageVideoBinding.bind(view)
+    }
+
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): CCC {
+        return CCC(R.layout.item_image_video.inflate(parent))
+    }
+
+    override fun getItemCount(): Int {
+        return mListData.size
+    }
+
+    override fun onBindViewHolder(holder: CCC, position: Int) {
+        val data = mListData[position]
+        val context = holder.binding.root.context
+        Glide.with(context).load(data.filePath).centerCrop().into(holder.binding.ivMedia)
+    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun setData(datas: List<FileBean>) {
+        mListData.clear()
+        mListData.addAll(datas)
+        notifyDataSetChanged()
+    }
+}
\ No newline at end of file

MyDemo3/app/src/main/java/com/xm/test/myfilemaster/util/FileUtil.kt

@@ -23,7 +23,7 @@ object FileUtil {
     const val TEXT_MIME_TYPE = "text/plain"
     const val ZIP_MIME_TYPE = "application/zip"
     const val RAR_MIME_TYPE = "application/x-rar-compressed"
-    const val ZIP_7Z_MIME_TYPE ="application/x-7z-compressed"
+    const val ZIP_7Z_MIME_TYPE = "application/x-7z-compressed"
     const val PDF_MIME_TYPE = "application/pdf"
     const val WORD_MIME_TYPE = "application/msword"
     const val EXCEL_MIME_TYPE = "application/vnd.ms-excel"
@@ -32,7 +32,7 @@ object FileUtil {
     const val MP3_MIME_TYPE = "audio/mpeg"
     const val WAV_MIME_TYPE = "audio/x-wav"
 
-    fun getFileCreateTime(filePath: String) : Triple<Int, Int, Int>{
+    fun getFileCreateTime(filePath: String): Triple<Int, Int, Int> {
         val folder = File(filePath)
         val fileCreateTime = folder.lastModified()
         val date = Date(fileCreateTime)
@@ -41,14 +41,14 @@ object FileUtil {
         return Triple(yearMonthDay[0].toInt(), yearMonthDay[1].toInt(), yearMonthDay[2].toInt())
     }
 
-    fun createDirectory(path: String, fileDirName: String): FileBean{
+    fun createDirectory(path: String, fileDirName: String): FileBean {
         val fileBean = FileBean()
         val file = File(path + "/" + fileDirName)
         fileBean.filePath = "-1"
-        if (!file.exists()){
+        if (!file.exists()) {
             val mkdirs = file.mkdirs()
-            if (mkdirs){
-                if (file.isDirectory){
+            if (mkdirs) {
+                if (file.isDirectory) {
                     fileBean.fileName = file.name
                     fileBean.filePath = file.path
                     fileBean.fileSize = file.length()
@@ -63,8 +63,8 @@ object FileUtil {
 
 
     @SuppressLint("Range")
-    fun scanFiles(context: Context, uri: Uri, minSize: Long) : ArrayList<FileBean>{
-        var filesItemBean : FileBean
+    fun scanFiles(context: Context, uri: Uri, minSize: Long): ArrayList<FileBean> {
+        var filesItemBean: FileBean
         var fileListItemBean = ArrayList<FileBean>()
         val projection = arrayOf(
             MediaStore.Files.FileColumns._ID,
@@ -72,22 +72,25 @@ object FileUtil {
             MediaStore.Files.FileColumns.SIZE
         )
 
-        val cursor = context.contentResolver.query(uri, projection,null,null,null)
-        if (cursor != null && cursor.moveToFirst()){
+        val cursor = context.contentResolver.query(uri, projection, null, null, null)
+        if (cursor != null && cursor.moveToFirst()) {
             do {
-                val fileSize = cursor.getLong(cursor.getColumnIndex(MediaStore.Files.FileColumns.SIZE))
-                if (fileSize > minSize){
+                val fileSize =
+                    cursor.getLong(cursor.getColumnIndex(MediaStore.Files.FileColumns.SIZE))
+                if (fileSize > minSize) {
                     filesItemBean = FileBean()
-                    filesItemBean.fileName = cursor.getString(cursor.getColumnIndex(MediaStore.Files.FileColumns.DISPLAY_NAME))
+                    filesItemBean.fileName =
+                        cursor.getString(cursor.getColumnIndex(MediaStore.Files.FileColumns.DISPLAY_NAME))
                     filesItemBean.fileSize = fileSize
-                    filesItemBean.filePath = cursor.getString(cursor.getColumnIndex(MediaStore.Files.FileColumns.RELATIVE_PATH))
+                    filesItemBean.filePath =
+                        cursor.getString(cursor.getColumnIndex(MediaStore.Files.FileColumns.RELATIVE_PATH))
                     filesItemBean.isDir = false
                     filesItemBean.fileType = getFileType(File(filesItemBean.filePath))
 
                     fileListItemBean.add(filesItemBean)
                 }
 
-            }while (cursor.moveToNext())
+            } while (cursor.moveToNext())
             cursor.close()
         }
 
@@ -96,31 +99,31 @@ object FileUtil {
     }
 
     @SuppressLint("Range")
-    fun sanRecursive(context: Context, uri: Uri, minSize: Long): ArrayList<FileBean>{
+    fun sanRecursive(context: Context, uri: Uri, minSize: Long): ArrayList<FileBean> {
         var filesItemBeanList = ArrayList<FileBean>()
         filesItemBeanList.addAll(scanFiles(context, uri, minSize))
 
         val selection = MediaStore.Files.FileColumns.MEDIA_TYPE + "=" +
                 MediaStore.Files.FileColumns.MEDIA_TYPE_NONE
         val sortOrder = MediaStore.Files.FileColumns.DATE_MODIFIED
-        val cursor = context.contentResolver.query(uri,null, selection,null, sortOrder)
-        if (cursor != null && cursor.moveToFirst()){
+        val cursor = context.contentResolver.query(uri, null, selection, null, sortOrder)
+        if (cursor != null && cursor.moveToFirst()) {
             do {
                 val fileId = cursor.getLong(cursor.getColumnIndex(MediaStore.Files.FileColumns._ID))
-                val chiIdUri = Uri.withAppendedPath(uri,""+ fileId)
-                filesItemBeanList.addAll(scanFiles(context,chiIdUri, minSize))
+                val chiIdUri = Uri.withAppendedPath(uri, "" + fileId)
+                filesItemBeanList.addAll(scanFiles(context, chiIdUri, minSize))
 
-            }while (cursor.moveToNext())
+            } while (cursor.moveToNext())
             cursor.close()
         }
         return filesItemBeanList
     }
 
-    fun getAllFilesAndDirectories(context: Context): ArrayList<FileBean>{
+    fun getAllFilesAndDirectories(context: Context): ArrayList<FileBean> {
         var fileList = ArrayList<FileBean>()
 //        val internalStorageDir = context.filesDir
         val internalStorageDir = File(EXTERNAL_STORAGE)
-        if (internalStorageDir != null && internalStorageDir.exists()){
+        if (internalStorageDir != null && internalStorageDir.exists()) {
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                 traverseDirectory(internalStorageDir, fileList)
             }
@@ -129,22 +132,22 @@ object FileUtil {
         return fileList
     }
 
-    fun traverseDirectory(directory: File, fileList:ArrayList<FileBean>){
+    fun traverseDirectory(directory: File, fileList: ArrayList<FileBean>) {
         val files = directory.listFiles()
 
-        if (files!=null){
-            for (file: File in files){
+        if (files != null) {
+            for (file: File in files) {
                 val fileBean: FileBean = FileBean()
                 fileBean.fileName = file.name
                 fileBean.filePath = file.path
                 fileBean.isDir = file.isDirectory
 //                val type = Files.probeContentType(Paths.get(file.path))
-                if (file.isDirectory){
+                if (file.isDirectory) {
                     val children = ArrayList<FileBean>()
 //                    traverseDirectory(file, children)
                     fileBean.childList = children
                     fileBean.fileType = "dir"
-                }else{
+                } else {
                     fileBean.fileType = getFileType(file)
                     fileBean.fileSize = file.length()
                 }
@@ -153,44 +156,44 @@ object FileUtil {
         }
     }
 
-    fun getFileList(directory: File) : ArrayList<FileBean>{
+    fun getFileList(directory: File): ArrayList<FileBean> {
         val fileBeans = ArrayList<FileBean>()
 //        val directory = Environment.getExternalStorageDirectory()
         val files = directory.listFiles()
-        for (file in files!!){
+        for (file in files!!) {
             if (!file.isHidden && !file.name.startsWith(".") && file.name != ".face") {
                 val fileBean = FileBean()
                 fileBean.fileName = file.name
                 fileBean.filePath = file.path
                 fileBean.isDir = file.isDirectory
 //                val type = Files.probeContentType(Paths.get(file.path))
-                if (file.isDirectory){
+                if (file.isDirectory) {
                     val children = ArrayList<FileBean>()
                     traverseDirectory(file, children)
                     fileBean.childList = children
                     fileBean.fileType = "dir"
-                }else{
+                } else {
                     fileBean.fileType = getFileType(file)
                     fileBean.fileSize = file.length()
                 }
-                Log.e("yanglin", "getFileList: childList.size = ${fileBean.childList.size}", )
+                Log.e("yanglin", "getFileList: childList.size = ${fileBean.childList.size}")
                 fileBeans.add(fileBean)
             }
         }
         return fileBeans
     }
 
-    fun getFileType(file: File): String{
+    fun getFileType(file: File): String {
         val fileName = file.name
         val indexOf = fileName.lastIndexOf(".")
-        if (indexOf != -1 && indexOf < fileName.length -1){
+        if (indexOf != -1 && indexOf < fileName.length - 1) {
             return fileName.substring(indexOf + 1)
-        }else{
+        } else {
             return "notType"
         }
     }
 
-    fun fileListSort(fileList: ArrayList<FileBean>): ArrayList<FileBean>{
+    fun fileListSort(fileList: ArrayList<FileBean>): ArrayList<FileBean> {
         fileList.sortWith(Comparator { fileBean1, fileBean2 ->
             if (File(fileBean1.filePath).isDirectory && !File(fileBean2.filePath).isDirectory) {
                 -1
@@ -202,10 +205,11 @@ object FileUtil {
         })
         return fileList
     }
+
     /**
      * 查询大于10M的文件
      * ***/
-    fun search10MFiles(context: Context, sizeInByte: Int): ArrayList<FileBean>{
+    fun search10MFiles(context: Context, sizeInByte: Int): ArrayList<FileBean> {
         val fileBeans = ArrayList<FileBean>()
         val projection = arrayOf(
             MediaStore.Files.FileColumns.DATA,
@@ -259,27 +263,28 @@ object FileUtil {
         return allDeleted
     }
 
-    fun moveFile(path: String, destinationPath: String) : Boolean{
+    fun moveFile(path: String, destinationPath: String): Boolean {
         val file = File(path)
         val destinationFile = File(destinationPath)
-        Log.e("yanglin", "moveFile: filePath = ${path}, currentPath = $destinationPath", )
+        Log.e("yanglin", "moveFile: filePath = ${path}, currentPath = $destinationPath")
         return file.renameTo(destinationFile)
     }
 
-    fun copyFile(path: String, destinationPath: String): Boolean{
+    fun copyFile(path: String, destinationPath: String): Boolean {
         return try {
-            File(path).inputStream().use { input->
-                File(destinationPath).outputStream().use { output->
+            File(path).inputStream().use { input ->
+                File(destinationPath).outputStream().use { output ->
                     input.copyTo(output)
                 }
             }
             true
-        }catch (e: IOException){
+        } catch (e: IOException) {
             e.printStackTrace()
             false
         }
     }
-    fun scanEmptyFiles(filePath: String, fileList: ArrayList<FileBean>){
+
+    fun scanEmptyFiles(filePath: String, fileList: ArrayList<FileBean>) {
         val files = File(filePath).listFiles() // 获取当前目录下的所有文件和文件夹
         if (files != null) {
             for (file in files) {
@@ -292,15 +297,15 @@ object FileUtil {
                     fileBean.isDir = true
                     fileList.add(fileBean)
 
-                }else if (file.isDirectory){
-                    scanEmptyFiles(file.path,fileList)
+                } else if (file.isDirectory) {
+                    scanEmptyFiles(file.path, fileList)
                 }
             }
         }
     }
 
 
-    fun dpToPx(dp: Int, context: Context): Int{
+    fun dpToPx(dp: Int, context: Context): Int {
         return TypedValue.applyDimension(
             TypedValue.COMPLEX_UNIT_DIP,
             dp.toFloat(),
@@ -309,7 +314,7 @@ object FileUtil {
     }
 
     @SuppressLint("Recycle")
-    fun getMediaData(context: Context): ArrayList<FileBean>{
+    fun getMediaData(context: Context): ArrayList<FileBean> {
         val fileBeans = ArrayList<FileBean>()
         val projection = arrayOf(MediaStore.Images.Media.DATA)
         val cursor = context.contentResolver.query(
@@ -320,7 +325,7 @@ object FileUtil {
 
         cursor?.let {
             val indexOrThrow = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA)
-            while (cursor.moveToNext()){
+            while (cursor.moveToNext()) {
                 val imagePath = cursor.getString(indexOrThrow)
                 val bitmap = BitmapFactory.decodeFile(imagePath)
                 val file = File(imagePath)
@@ -330,24 +335,24 @@ object FileUtil {
                 fileBean.fileName = file.name
                 fileBean.filePath = imagePath
                 fileBean.fileType = getFileType(file)
-                Log.e("yanglin", "getFileList: childList.size = ${imagePath}", )
+                Log.e("yanglin", "getFileList: childList.size = ${imagePath}")
                 fileBeans.add(fileBean)
             }
         }
         return fileBeans
     }
 
-    fun getTypeFiles(types: Array<String>, fileBeans: ArrayList<FileBean>){
+    fun getTypeFiles(types: Array<String>, fileBeans: ArrayList<FileBean>) {
 
         MediaStore.Files()
         val externalStorageDir = Environment.getExternalStorageDirectory()
         externalStorageDir.listFiles()?.forEach {
-            if (it.isDirectory){
+            if (it.isDirectory) {
                 getTypeFiles(types, fileBeans)
-            }else{
+            } else {
                 val fileBean = FileBean()
-                for (type in types){
-                    if (type.contains(getFileType(it))){
+                for (type in types) {
+                    if (type.contains(getFileType(it))) {
 
                         fileBean.fileName = it.name
                         fileBean.filePath = it.path
@@ -366,14 +371,14 @@ object FileUtil {
     fun getMediaFiles(context: Context, fileType: String, limit: Int): ArrayList<FileBean> {
         val fileBeans = ArrayList<FileBean>()
         val projection = arrayOf(MediaStore.Images.Media.DATA)
-        var contentUri : Uri
-        if (fileType.contains("image")){
+        var contentUri: Uri
+        if (fileType.contains("image")) {
             contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
-        }else if (fileType.contains("video")){
+        } else if (fileType.contains("video")) {
             contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI
-        }else if (fileType.contains("audio")){
+        } else if (fileType.contains("audio")) {
             contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI
-        }else{
+        } else {
             contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
         }
         val cursor = context.contentResolver.query(
@@ -386,7 +391,7 @@ object FileUtil {
         cursor?.use {
             var count = 0
             while (it.moveToNext()) {
-                if (count < limit){
+                if (count < limit) {
                     val imagePath = it.getString(it.getColumnIndex(MediaStore.Images.Media.DATA))
 //                images.add(imagePath)
                     val fileBean = FileBean()
@@ -396,10 +401,13 @@ object FileUtil {
                     fileBean.fileSize = file.length()
                     fileBean.fileType = getFileType(file)
                     fileBean.isDir = false
-                    fileBean.drawable = if (fileType.contains("image")) BitmapDrawable(context.resources, BitmapFactory.decodeFile(file.path)) else null
+                    fileBean.drawable = if (fileType.contains("image")) BitmapDrawable(
+                        context.resources,
+                        BitmapFactory.decodeFile(file.path)
+                    ) else null
                     fileBeans.add(fileBean)
                 }
-                count ++
+                count++
             }
             cursor.close()
         }
@@ -407,7 +415,7 @@ object FileUtil {
         return fileBeans
     }
 
-    fun getFileType(mimeType: String, context: Context): ArrayList<FileBean>{
+    fun getFileType(mimeType: String, context: Context): ArrayList<FileBean> {
         val fileBeans: ArrayList<FileBean> = ArrayList()
         val projection = arrayOf(
             MediaStore.Files.FileColumns.DATA,

MyDemo3/app/src/main/java/com/xm/test/myfilemaster/util/GlideApp.kt

+package com.xm.test.myfilemaster.util
+
+import android.app.Application
+import com.bumptech.glide.annotation.GlideModule
+
+@GlideModule
+class GlideApp : Application() {
+}
\ No newline at end of file

MyDemo3/app/src/main/res/layout/activity_media.xml

@@ -3,43 +3,36 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/main"
-    android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:orientation="vertical"
     tools:context=".activity.MediaActivity">
 
     <include
         android:id="@+id/title_bar"
-        layout="@layout/title_bar_layout"/>
-
-<!--    <ScrollView-->
-<!--        android:id="@+id/grid_view_scroll"-->
-<!--        android:layout_width="match_parent"-->
-<!--        android:layout_height="match_parent"-->
-<!--        android:layout_marginTop="12dp"-->
-<!--        android:layout_marginStart="16dp"-->
-<!--        android:layout_marginEnd="16dp">-->
-
-        <GridView
-            android:layout_marginTop="12dp"
-            android:layout_marginStart="16dp"
-            android:layout_marginEnd="16dp"
-            android:id="@+id/image_item_grid"
-            android:layout_width="fill_parent"
-            android:layout_height="wrap_content"
-            android:fadingEdge="none"
-            android:horizontalSpacing="1dp"
-            android:listSelector="#00000000"
-            android:padding="1dp"
-            android:scrollbars="none"
-            android:verticalSpacing="5dp"
-            android:numColumns="3"
-            android:columnWidth="118dp"/>
-
-<!--    </ScrollView>-->
-
-
-
+        layout="@layout/title_bar_layout" />
+
+    <!--    <ScrollView-->
+    <!--        android:id="@+id/grid_view_scroll"-->
+    <!--        android:layout_width="match_parent"-->
+    <!--        android:layout_height="match_parent"-->
+    <!--        android:layout_marginTop="12dp"-->
+    <!--        android:layout_marginStart="16dp"-->
+    <!--        android:layout_marginEnd="16dp">-->
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/image_item_grid"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="12dp"
+        android:layout_marginEnd="16dp"
+        android:padding="1dp"
+        app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+        app:spanCount="3" />
+
+
+    <!--    </ScrollView>-->
 
 
 </LinearLayout>
\ No newline at end of file

MyDemo3/app/src/main/res/layout/item_image_video.xml

+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="wrap_content"
+    android:layout_margin="15dp"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/iv_media"
+        android:layout_width="100dp"
+        android:layout_height="100dp"
+        tools:ignore="ContentDescription" />
+
+</FrameLayout>
\ No newline at end of file