feat: add new icon

app/src/main/AndroidManifest.xml

@@ -7,6 +7,8 @@
         android:name="android.permission.MANAGE_EXTERNAL_STORAGE"
         tools:ignore="ScopedStorage" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
 
     <application
         android:allowBackup="true"

app/src/main/java/com/dazuoye/filemanager/document_page.kt

@@ -10,6 +10,7 @@ import android.view.View
 import android.widget.AdapterView
 import android.widget.GridView
 import android.widget.ImageView
+import android.widget.LinearLayout
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
@@ -143,6 +144,11 @@ class document_page : AppCompatActivity() {
         val adapter = DocumentAdapter(this@document_page, models)
         documentGrid.setAdapter(adapter)
         findViewById<TextView>(R.id.LoadingBlankText).visibility = View.GONE
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
     }
   }
@@ -274,6 +280,12 @@ class document_page : AppCompatActivity() {
       runOnUiThread {
         val grid = findViewById<GridView>(R.id.DocumentGrid)
         grid.setAdapter(adapter)
+
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
       runSomethingMore?.invoke()
     }

app/src/main/java/com/dazuoye/filemanager/fileSystem/WrappedFile.kt

@@ -129,19 +129,13 @@ class WrappedFile(private val f: File, skipCalculateDirectorySize: Boolean = fal
   }
 
   fun getSizeString(): String {
-    if (size == 0L) {
+    if (size == 0L && type == Type.DIRECTORY && !isSizeCalculated) {
-      if (type == Type.DIRECTORY) {
-        if (!isSizeCalculated) {
       // Calculate Size
       size = getFolderSize(f)
       isSizeCalculated = true
     } else {
       return "0B"
     }
-      } else {
-        return "未知"
-      }
-    }
     return getSizeString(size.toULong())
   }
 

app/src/main/java/com/dazuoye/filemanager/music_page.kt

@@ -9,6 +9,7 @@ import android.view.View
 import android.widget.AdapterView
 import android.widget.GridView
 import android.widget.ImageView
+import android.widget.LinearLayout
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
@@ -18,6 +19,7 @@ import androidx.core.content.FileProvider
 import androidx.core.view.ViewCompat
 import androidx.core.view.WindowInsetsCompat
 import androidx.core.view.WindowInsetsCompat.Type
+import androidx.core.view.isVisible
 import com.dazuoye.filemanager.fileSystem.adapters.MusicAdapter
 import com.dazuoye.filemanager.fileSystem.adapters.MusicModel
 import com.dazuoye.filemanager.compose.SearchActivity
@@ -122,6 +124,11 @@ class music_page : AppCompatActivity() {
         val adapter = MusicAdapter(this@music_page, models)
         musicGrid.setAdapter(adapter)
         findViewById<TextView>(R.id.LoadingBlankText).visibility = View.GONE
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
     }
   }
@@ -253,6 +260,12 @@ class music_page : AppCompatActivity() {
       runOnUiThread {
         val grid = findViewById<GridView>(R.id.MusicGrid)
         grid.setAdapter(adapter)
+
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+           View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
       runSomethingMore?.invoke()
     }

app/src/main/java/com/dazuoye/filemanager/picture_page.kt

@@ -9,6 +9,7 @@ import android.view.View
 import android.widget.AdapterView
 import android.widget.GridView
 import android.widget.ImageView
+import android.widget.LinearLayout
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
@@ -116,14 +117,19 @@ class picture_page : AppCompatActivity() {
       val defaultText = loadingTextView.text
       launch { loadingText(loadingTextView, defaultText) }
       imageList = instance.dateOrderedList()
-      val imageModels = ArrayList<ImageModel>()
+      val models = ArrayList<ImageModel>()
       for (path in imageList) {
-        imageModels.add(ImageModel(File(path)))
+        models.add(ImageModel(File(path)))
       }
       runOnUiThread {
-        val adapter = ImageAdapter(this@picture_page, imageModels)
+        val adapter = ImageAdapter(this@picture_page, models)
         pictureGrid.setAdapter(adapter)
         findViewById<TextView>(R.id.LoadingBlankText).visibility = View.GONE
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
     }
   }
@@ -247,14 +253,19 @@ class picture_page : AppCompatActivity() {
         1 -> instance.sizeOrderedList()
         else -> listOf()
       }
-      val imageModels = ArrayList<ImageModel>()
+      val models = ArrayList<ImageModel>()
       for (path in imageList) {
-        imageModels.add(ImageModel(File(path)))
+        models.add(ImageModel(File(path)))
       }
-      val adapter = ImageAdapter(this, imageModels)
+      val adapter = ImageAdapter(this, models)
       runOnUiThread {
         val grid = findViewById<GridView>(R.id.PicturePageGrid)
         grid.setAdapter(adapter)
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
       runSomethingMore?.invoke()
     }

app/src/main/java/com/dazuoye/filemanager/video_page.kt

@@ -9,6 +9,7 @@ import android.view.View
 import android.widget.AdapterView
 import android.widget.GridView
 import android.widget.ImageView
+import android.widget.LinearLayout
 import android.widget.TextView
 import android.widget.Toast
 import androidx.activity.enableEdgeToEdge
@@ -115,14 +116,19 @@ class video_page : AppCompatActivity() {
       val defaultText = loadingTextView.text
       launch { loadingText(loadingTextView, defaultText) }
       videoList = instance.dateOrderedList()
-      val videoModels = ArrayList<VideoModel>()
+      val models = ArrayList<VideoModel>()
       for (path in videoList) {
-        videoModels.add(VideoModel(File(path)))
+        models.add(VideoModel(File(path)))
       }
       runOnUiThread {
-        val adapter = VideoAdapter(this@video_page, videoModels)
+        val adapter = VideoAdapter(this@video_page, models)
         videoGrid.setAdapter(adapter)
         findViewById<TextView>(R.id.LoadingBlankText).visibility = View.GONE
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
     }
   }
@@ -246,14 +252,19 @@ class video_page : AppCompatActivity() {
         1 -> instance.sizeOrderedList()
         else -> listOf()
       }
-      val videoModels = ArrayList<VideoModel>()
+      val models = ArrayList<VideoModel>()
       for (path in videoList) {
-        videoModels.add(VideoModel(File(path)))
+        models.add(VideoModel(File(path)))
       }
-      val adapter = VideoAdapter(this, videoModels)
+      val adapter = VideoAdapter(this, models)
       runOnUiThread {
         val grid = findViewById<GridView>(R.id.VideoGrid)
         grid.setAdapter(adapter)
+        findViewById<LinearLayout>(R.id.NothingFoundHint).visibility = if (models.isEmpty){ // 没有东西则显示空
+          View.VISIBLE
+        }else{
+          View.GONE
+        }
       }
       runSomethingMore?.invoke()
     }

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

@@ -1,4 +1,4 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="40dp" android:tint="#FF00FF" android:viewportHeight="24" android:viewportWidth="24" android:width="40dp">
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="40dp" android:tint="#485B7A" android:viewportHeight="24" android:viewportWidth="24" android:width="40dp">
       
     <path android:fillColor="@color/white" android:pathData="M5,20h14v-2H5V20zM19,9h-4V3H9v6H5l7,7L19,9z"/>
     

app/src/main/res/drawable/outline_all_inclusive_24.xml

@@ -0,0 +1,12 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="128dp"
+    android:tint="#717171"
+    android:viewportHeight="960"
+    android:viewportWidth="960"
+    android:width="128dp">
+
+  <path
+      android:fillColor="@android:color/white"
+      android:pathData="M220,700Q128,700 64,636Q0,572 0,480Q0,388 64,324Q128,260 220,260Q257,260 291,273Q325,286 352,310L420,372L360,426L298,370Q282,356 262,348Q242,340 220,340Q162,340 121,381Q80,422 80,480Q80,538 121,579Q162,620 220,620Q242,620 262,612Q282,604 298,590L608,310Q635,286 669,273Q703,260 740,260Q832,260 896,324Q960,388 960,480Q960,572 896,636Q832,700 740,700Q703,700 669,687Q635,674 608,650L540,588L600,534L662,590Q678,604 698,612Q718,620 740,620Q798,620 839,579Q880,538 880,480Q880,422 839,381Q798,340 740,340Q718,340 698,348Q678,356 662,370L352,650Q325,674 291,687Q257,700 220,700Z" />
+
+</vector>

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

@@ -98,4 +98,20 @@
         android:textSize="78sp"
         android:background="@color/WhiteSmoke"/>
 
+    <LinearLayout
+        android:id="@+id/NothingFoundHint"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="64sp"
+            android:text="@string/no_items"
+            app:drawableTopCompat="@drawable/outline_all_inclusive_24"
+            />
+    </LinearLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -98,4 +98,21 @@
         android:textSize="78sp"
         android:background="@color/WhiteSmoke"/>
 
+    <LinearLayout
+        android:id="@+id/NothingFoundHint"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="64sp"
+            android:text="@string/no_items"
+            app:drawableTopCompat="@drawable/outline_all_inclusive_24"
+            />
+    </LinearLayout>
+
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -107,5 +107,21 @@
         android:background="@color/WhiteSmoke"/>
 
 
+    <LinearLayout
+        android:id="@+id/NothingFoundHint"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:gravity="center"
+        android:orientation="vertical"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textSize="64sp"
+            android:text="@string/no_items"
+            app:drawableTopCompat="@drawable/outline_all_inclusive_24"
+            />
+    </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -109,4 +109,20 @@
       android:textSize="78sp"
       android:background="@color/WhiteSmoke"/>
 
+  <LinearLayout
+      android:id="@+id/NothingFoundHint"
+      android:layout_width="match_parent"
+      android:layout_height="match_parent"
+      android:gravity="center"
+      android:orientation="vertical"
+      android:visibility="gone">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="64sp"
+        android:text="@string/no_items"
+        app:drawableTopCompat="@drawable/outline_all_inclusive_24"
+        />
+  </LinearLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -88,5 +88,6 @@
   <string name="setting_hide_hidden_file">隐藏点文件</string>
   <string name="setting_hide_hidden_file_description">隐藏所有以 . 开头的文件和文件夹\n. 开头的文件（或文件夹）通常表示隐藏文件（或文件夹）\n此选项只对查看全部文件功能有效</string>
 
+  <string name="no_items">无内容</string>
   <string name="about">关于</string>
 </resources>