Use ActivityCompat.recreate().

app/build.gradle

@@ -21,7 +21,7 @@ def basicApplicationId = "org.fdroid.basic"
 def privilegedExtensionApplicationId = '"org.fdroid.fdroid.privileged"'
 
 android {
-    compileSdkVersion 29
+    compileSdkVersion 30
 
     defaultConfig {
         versionCode 1013001
@@ -142,10 +142,9 @@ android {
 }
 
 dependencies {
-    implementation 'androidx.appcompat:appcompat:1.2.0'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
     implementation 'androidx.preference:preference:1.1.1'
     implementation 'androidx.gridlayout:gridlayout:1.0.0'
-    implementation 'androidx.annotation:annotation:1.1.0'
     implementation 'androidx.recyclerview:recyclerview:1.1.0'
     implementation 'androidx.cardview:cardview:1.0.0'
     implementation 'androidx.vectordrawable:vectordrawable:1.1.0'

app/src/main/java/org/fdroid/fdroid/installer/FileInstallerActivity.java

@@ -128,6 +128,7 @@ public class FileInstallerActivity extends FragmentActivity {
     @Override
     public void onRequestPermissionsResult(int requestCode,
                                            @NonNull String[] permissions, @NonNull int[] grantResults) {
+        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         switch (requestCode) {
             case MY_PERMISSIONS_REQUEST_STORAGE:
                 // If request is cancelled, the result arrays are empty.

app/src/main/java/org/fdroid/fdroid/views/PreferencesFragment.java

@@ -53,6 +53,7 @@ import org.fdroid.fdroid.work.CleanCacheWorker;
 import org.fdroid.fdroid.work.FDroidMetricsWorker;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.app.ActivityCompat;
 import androidx.preference.CheckBoxPreference;
 import androidx.preference.EditTextPreference;
 import androidx.preference.ListPreference;
@@ -291,7 +292,7 @@ public class PreferencesFragment extends PreferenceFragmentCompat
                     AppCompatActivity activity = (AppCompatActivity) getActivity();
                     // Theme will be applied upon activity creation
                     if (activity != null) {
-                        activity.recreate();
+                        ActivityCompat.recreate(activity);
                     }
                 }
                 break;