...

app/build.gradle.kts

@@ -67,6 +67,7 @@ dependencies {
     implementation("com.github.angcyo.DslTablayout:ViewPager2Delegate:3.5.5")
     implementation("com.airbnb.android:lottie:6.4.0")
     implementation("com.github.pokercc:ExpandableRecyclerView:0.9.3")
+    implementation("io.supercharge:shimmerlayout:2.1.0")
 
     //Pdf库
     implementation("com.tom-roush:pdfbox-android:2.0.27.0")

app/src/main/AndroidManifest.xml

@@ -29,6 +29,7 @@
             android:exported="true"
             android:launchMode="singleTask"
             android:screenOrientation="portrait"
+            android:theme="@style/splash.theme"
             tools:ignore="DiscouragedApi,LockedOrientationActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

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

@@ -15,5 +15,9 @@
         <item name="android:background">@android:color/transparent</item>
     </style>
 
+    <style name="splash.theme" parent="Theme.AppCompat.DayNight.NoActionBar">
+        <item name="android:windowBackground">@drawable/splash_bp</item>
+        <item name="android:windowFullscreen">false</item>
+    </style>
 
 </resources>
\ No newline at end of file