app/build.gradle

@@ -3,13 +3,13 @@ plugins {
 }
 
 android {
-    compileSdkVersion 31
+    compileSdkVersion 30
     buildToolsVersion "30.0.3"
 
     defaultConfig {
         applicationId "net.crystalyx.setaswallpaper"
         minSdkVersion 23
-        targetSdkVersion 31
+        targetSdkVersion 30
         versionCode 6
         versionName "2.4"
     }
@@ -28,5 +28,5 @@ android {
 }
 
 dependencies {
-    implementation "androidx.core:core:1.7.0"
+    implementation "androidx.core:core:1.6.0"
 }

app/src/main/AndroidManifest.xml

@@ -12,7 +12,7 @@
             android:roundIcon="@mipmap/ic_launcher_round"
             android:supportsRtl="true"
             android:theme="@android:style/Theme.Translucent.NoTitleBar.Fullscreen">
-        <activity android:name=".SetWallpaperActivity" android:exported="true">
+        <activity android:name=".SetWallpaperActivity">
             <intent-filter>
                 <action android:name="android.intent.action.SEND"/>
                 <category android:name="android.intent.category.DEFAULT"/>