update

app/src/main/java/com/all/pdfreader/pro/app/ui/act/MainActivity.kt

@@ -15,6 +15,7 @@ import com.all.pdfreader.pro.app.ui.fragment.FavoriteFrag
 import com.all.pdfreader.pro.app.ui.fragment.HomeFrag
 import com.all.pdfreader.pro.app.ui.fragment.RecentlyFrag
 import com.all.pdfreader.pro.app.ui.fragment.ToolsFrag
+import com.all.pdfreader.pro.app.util.AppUtils.setDebouncedClickWithAnimation
 import com.all.pdfreader.pro.app.util.FileChangeObserver
 import com.all.pdfreader.pro.app.util.FileUtils
 import com.all.pdfreader.pro.app.util.PdfMetadataExtractor
@@ -98,6 +99,18 @@ class MainActivity : BaseActivity(), PermissionDialogFragment.PermissionCallback
             //直接跳转到权限设置页面
             requestPermissions()
         }
+
+        binding.sidebarBtn.setDebouncedClickWithAnimation {
+
+        }
+
+        binding.searchBtn.setDebouncedClickWithAnimation {
+
+        }
+
+        binding.sortingBtn.setDebouncedClickWithAnimation {
+
+        }
     }
 
     private fun switchFragment(target: Fragment) {

app/src/main/java/com/all/pdfreader/pro/app/util/AppUtils.kt

@@ -0,0 +1,47 @@
+package com.all.pdfreader.pro.app.util
+
+import android.view.View
+
+object AppUtils {
+
+    /**
+     * 为 View 点击事件添加防抖点击 + 动画 + 执行逻辑
+     *
+     * @param debounceTime 防抖间隔，默认 500 毫秒
+     * @param onClick 点击后执行的逻辑（动画完成后调用）
+     */
+    fun View.setDebouncedClickWithAnimation(
+        debounceTime: Long = 500L,
+        onClick: () -> Unit
+    ) {
+        var lastClickTime = 0L
+
+        this.setOnClickListener {
+            val currentTime = System.currentTimeMillis()
+            if (currentTime - lastClickTime < debounceTime) {
+                return@setOnClickListener
+            }
+            lastClickTime = currentTime
+
+            // 动画 + 禁用点击
+            this.isEnabled = false
+            this.animate()
+                .scaleX(1.2f)
+                .scaleY(1.2f)
+                .setDuration(150)
+                .withEndAction {
+                    this.animate()
+                        .scaleX(1f)
+                        .scaleY(1f)
+                        .setDuration(150)
+                        .withEndAction {
+                            this.isEnabled = true
+                            onClick() // 执行传入的逻辑
+                        }
+                        .start()
+                }
+                .start()
+        }
+    }
+
+}

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

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <!-- 按下状态 -->
+    <item android:state_pressed="true">
+        <shape android:shape="oval">
+            <solid android:color="#0D000000" /> <!-- 按下颜色：深一点 -->
+        </shape>
+    </item>
+
+    <!-- 默认状态 -->
+    <item>
+        <shape android:shape="oval">
+            <solid android:color="#00000000" /> <!-- 默认颜色 -->
+        </shape>
+    </item>
+
+</selector>

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="256dp"
+    android:height="256dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M781.3,738.7l105.4,168.1a42.8,42.8 0,0 1,-13.9 59.2,43.4 43.4,0 0,1 -59.6,-13.8l-103.8,-165.4a421,421 0,0 1,-197.9 49.2C279.3,835.9 90.4,648.4 90.4,418S279.3,0 511.6,0c232.3,0 421.2,187.5 421.2,418 0,128.7 -59,243.9 -151.5,320.6zM511.6,85.9C327.1,85.9 177,234.9 177,418s150.1,332.1 334.6,332.1c184.6,0 334.7,-149 334.7,-332.1s-150.1,-332.1 -334.7,-332.1z"
+      android:fillColor="#2c2c2c"/>
+</vector>

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="256dp"
+    android:height="256dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M46.5,791.3c0,27.9 18.6,46.5 46.5,46.5h418.9c23.3,0 46.5,-18.6 46.5,-46.5s-18.6,-46.5 -46.5,-46.5h-418.9c-27.9,0 -46.5,18.6 -46.5,46.5zM46.5,512c0,27.9 18.6,46.5 46.5,46.5h651.6c27.9,0 46.5,-18.6 46.5,-46.5s-18.6,-46.5 -46.5,-46.5h-651.6c-27.9,0 -46.5,18.6 -46.5,46.5zM46.5,232.7c0,27.9 23.3,46.5 46.5,46.5h837.8c23.3,0 46.5,-18.6 46.5,-46.5s-23.3,-46.5 -46.5,-46.5h-837.8c-27.9,0 -46.5,18.6 -46.5,46.5z"
+      android:fillColor="#2c2c2c"/>
+</vector>

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

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="256dp"
+    android:height="256dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
+  <path
+      android:pathData="M600.4,60.5v907.6c0,27.9 18.6,46.5 46.5,46.5s46.5,-18.6 46.5,-46.5V158.3l116.4,93.1c18.6,18.6 51.2,14 65.2,-4.7 18.6,-18.6 14,-51.2 -4.7,-65.2L679.6,23.3c-32.6,-27.9 -79.1,-4.7 -79.1,37.2zM377,9.3c-27.9,0 -46.5,18.6 -46.5,46.5v809.9l-116.4,-93.1c-18.6,-18.6 -51.2,-14 -65.2,4.7 -18.6,18.6 -14,51.2 4.7,65.2l190.8,158.3c32.6,23.3 74.5,4.7 74.5,-37.2V55.9c4.7,-23.3 -18.6,-46.5 -41.9,-46.5z"
+      android:fillColor="#2c2c2c"/>
+</vector>

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

@@ -2,7 +2,7 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@color/bg_color"
+    android:background="@color/white"
     android:orientation="vertical">
 
     <View
@@ -10,10 +10,67 @@
         android:layout_width="match_parent"
         android:layout_height="0dp" />
 
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:gravity="center_vertical"
+        android:orientation="horizontal">
+
+        <LinearLayout
+            android:id="@+id/sidebarBtn"
+            android:layout_width="44dp"
+            android:layout_height="44dp"
+            android:layout_marginStart="6dp"
+            android:layout_marginEnd="6dp"
+            android:gravity="center">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/sidebar" />
+        </LinearLayout>
+
+        <View
+            android:layout_width="0dp"
+            android:layout_height="match_parent"
+            android:layout_weight="1" />
+
+        <LinearLayout
+            android:id="@+id/searchBtn"
+            android:layout_width="44dp"
+            android:layout_height="44dp"
+            android:layout_marginStart="6dp"
+            android:layout_marginEnd="6dp"
+            android:gravity="center">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/search" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/sortingBtn"
+            android:layout_width="44dp"
+            android:layout_height="44dp"
+            android:layout_marginStart="6dp"
+            android:layout_marginEnd="6dp"
+            android:gravity="center">
+
+            <ImageView
+                android:id="@+id/sortingImg"
+                android:layout_width="24dp"
+                android:layout_height="24dp"
+                android:src="@drawable/sorting" />
+        </LinearLayout>
+
+    </LinearLayout>
+
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="0dp"
         android:layout_weight="1"
+        android:background="@color/bg_color"
         android:orientation="vertical">
 
         <FrameLayout
@@ -96,8 +153,7 @@
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="68dp"
+            android:layout_height="68dp">
-            android:background="@color/white">
 
             <LinearLayout
                 android:id="@+id/home_ll_btn"

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

@@ -12,4 +12,5 @@
     <color name="grey">#E6E6E6</color>
     <color name="bg_color">#F6F6F6</color>
     <color name="line_color">#E0E0E0</color>
+    <color name="black_img_color">#2c2c2c</color>
 </resources>