Only show MIUI extension warning on MIUI >= 13

Related to #8834

app/src/main/java/eu/kanade/presentation/browse/ExtensionsScreen.kt

@@ -123,7 +123,7 @@ private fun ExtensionContent(
     onClickUpdateAll: () -> Unit,
 ) {
     var trustState by remember { mutableStateOf<Extension.Untrusted?>(null) }
-    val showMiuiWarning = DeviceUtil.isMiui && !DeviceUtil.isMiuiOptimizationDisabled()
+    val showMiuiWarning = DeviceUtil.isMiui && DeviceUtil.miuiMajorVersion >= 13 && !DeviceUtil.isMiuiOptimizationDisabled()
     val uriHandler = LocalUriHandler.current
 
     FastScrollLazyColumn(

core/src/main/java/eu/kanade/tachiyomi/util/system/DeviceUtil.kt

@@ -10,6 +10,20 @@ object DeviceUtil {
         getSystemProperty("ro.miui.ui.version.name")?.isNotEmpty() ?: false
     }
 
+    /**
+     * Extracts the MIUI major version code from a string like "V12.5.3.0.QFGMIXM".
+     *
+     * @return MIUI major version code (e.g., 13) or -1 if can't be parsed.
+     */
+    val miuiMajorVersion by lazy {
+        if (!isMiui) return@lazy -1
+
+        Build.VERSION.INCREMENTAL
+            .substringBefore('.')
+            .trimStart('V')
+            .toIntOrNull() ?: -1
+    }
+
     @SuppressLint("PrivateApi")
     fun isMiuiOptimizationDisabled(): Boolean {
         val sysProp = getSystemProperty("persist.sys.miui_optimization")

i18n/src/main/res/values/strings.xml

@@ -305,7 +305,7 @@
     <string name="ext_installer_shizuku" translatable="false">Shizuku</string>
     <string name="ext_installer_shizuku_stopped">Shizuku is not running</string>
     <string name="ext_installer_shizuku_unavailable_dialog">Install and start Shizuku to use Shizuku as extension installer.</string>
-    <string name="ext_miui_warning">Installing extensions may not work if MIUI Optimization is enabled. Try disabling it or installing from the website instead.</string>
+    <string name="ext_miui_warning">Installing extensions may not work if MIUI Optimization is enabled. Try disabling it or tap here to download from the website instead.</string>
 
       <!-- Reader section -->
     <string name="pref_fullscreen">Fullscreen</string>