Fix Sui not being detected as a Shizuku provider

Closes #3785

(cherry picked from commit bd2ada2e82)

CHANGELOG.md

@@ -30,6 +30,7 @@ The format is a modified version of [Keep a Changelog](https://keepachangelog.co
 - Fixed WebView sending source headers to other sites ([@AntsyLich](https://github.com/AntsyLich))
 - Fixed downloads not showing for entries of a source sharing its name with another source ([@AntsyLich](https://github.com/AntsyLich))
 - Fixed the More tab icon pausing and then bouncing back when leaving the tab ([@AntsyLich](https://github.com/AntsyLich))
+- Fixed Shizuku extension installer being unavailable with Sui ([@AntsyLich](https://github.com/AntsyLich))
 
 ## [v0.21.2] - 2026-10-13
 ### Fixed

app/src/main/java/eu/kanade/tachiyomi/util/system/ContextExtensions.kt

@@ -22,6 +22,7 @@ import eu.kanade.tachiyomi.util.lang.truncateCenter
 import logcat.LogPriority
 import mihon.app.di.appGraph
 import rikka.shizuku.ShizukuProvider
+import rikka.sui.Sui
 import tachiyomi.core.common.i18n.stringResource
 import tachiyomi.core.common.util.system.logcat
 import tachiyomi.i18n.MR
@@ -168,12 +169,13 @@ fun Context.isPackageInstalled(packageName: String): Boolean {
 val Context.hasMiuiPackageInstaller get() = isPackageInstalled("com.miui.packageinstaller")
 
 val Context.isShizukuInstalled: Boolean
-    get() = try {
-        packageManager.getPermissionInfo(ShizukuProvider.PERMISSION, 0)
-        true
-    } catch (e: PackageManager.NameNotFoundException) {
-        false
-    }
+    get() = Sui.isSui() ||
+        try {
+            packageManager.getPermissionInfo(ShizukuProvider.PERMISSION, 0)
+            true
+        } catch (e: PackageManager.NameNotFoundException) {
+            false
+        }
 
 fun Context.launchRequestPackageInstallsPermission() {
     Intent(Settings.ACTION_MANAGE_UNKNOWN_APP_SOURCES).apply {