Fix installing extensions on MIUI (#8916)

* Fix installing extensions on MIUI

* isShizukuReady -> isShizukuInstalled

app/src/main/java/eu/kanade/tachiyomi/extension/util/ExtensionInstallActivity.kt

@@ -5,9 +5,11 @@ import android.content.Intent
 import android.os.Bundle
 import eu.kanade.tachiyomi.extension.ExtensionManager
 import eu.kanade.tachiyomi.extension.model.InstallStep
+import eu.kanade.tachiyomi.util.system.hasMiuiPackageInstaller
 import eu.kanade.tachiyomi.util.system.toast
 import uy.kohesive.injekt.Injekt
 import uy.kohesive.injekt.api.get
+import kotlin.time.Duration.Companion.seconds
 
 /**
  * Activity used to install extensions, because we can only receive the result of the installation
@@ -15,6 +17,11 @@ import uy.kohesive.injekt.api.get
  */
 class ExtensionInstallActivity : Activity() {
 
+    // MIUI package installer bug workaround
+    private var ignoreUntil = 0L
+    private var ignoreResult = false
+    private var hasIgnoredResult = false
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -23,6 +30,11 @@ class ExtensionInstallActivity : Activity() {
             .putExtra(Intent.EXTRA_RETURN_RESULT, true)
             .setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
 
+        if (hasMiuiPackageInstaller) {
+            ignoreResult = true
+            ignoreUntil = System.nanoTime() + 1.seconds.inWholeNanoseconds
+        }
+
         try {
             startActivityForResult(installIntent, INSTALL_REQUEST_CODE)
         } catch (error: Exception) {
@@ -33,12 +45,24 @@ class ExtensionInstallActivity : Activity() {
     }
 
     override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        if (ignoreResult && System.nanoTime() < ignoreUntil) {
+            hasIgnoredResult = true
+            return
+        }
         if (requestCode == INSTALL_REQUEST_CODE) {
             checkInstallationResult(resultCode)
         }
         finish()
     }
 
+    override fun onStart() {
+        super.onStart()
+        if (hasIgnoredResult) {
+            checkInstallationResult(RESULT_CANCELED)
+            finish()
+        }
+    }
+
     private fun checkInstallationResult(resultCode: Int) {
         val downloadId = intent.extras!!.getLong(ExtensionInstaller.EXTRA_DOWNLOAD_ID)
         val extensionManager = Injekt.get<ExtensionManager>()