Hide scope if unsupported

app/src/main/java/org/meowcat/edxposed/manager/App.java

@@ -24,6 +24,7 @@ import org.meowcat.edxposed.manager.util.FileUtils;
 import org.meowcat.edxposed.manager.util.ModuleUtil;
 import org.meowcat.edxposed.manager.util.NotificationUtil;
 import org.meowcat.edxposed.manager.util.RepoLoader;
+import org.meowcat.edxposed.manager.util.Version;
 
 import java.io.File;
 import java.io.PrintWriter;
@@ -79,6 +80,15 @@ public class App extends XposedApp implements Application.ActivityLifecycleCallb
         FileUtils.setPermissions(dir, permissions);
     }
 
+    public static boolean supportScope() {
+        try {
+            String version = App.getXposedProp().getVersion();
+            return new Version(version.substring(6, 13)).compareTo(new Version("0.5.1.3")) >= 0;
+        } catch (Exception e) {
+            return false;
+        }
+    }
+
     public void onCreate() {
         super.onCreate();
         if (!BuildConfig.DEBUG) {

app/src/main/java/org/meowcat/edxposed/manager/ModulesActivity.java

@@ -528,6 +528,9 @@ public class ModulesActivity extends BaseActivity implements ModuleUtil.ModuleLi
                     menu.removeItem(R.id.menu_download_updates);
                     menu.removeItem(R.id.menu_support);
                 }
+                if (!App.supportScope()) {
+                    menu.removeItem(R.id.menu_scope);
+                }
                 if (installedModule.packageName.equals(BuildConfig.APPLICATION_ID)) {
                     menu.removeItem(R.id.menu_launch);
                     menu.removeItem(R.id.menu_scope);

app/src/main/java/org/meowcat/edxposed/manager/util/Version.java

@@ -0,0 +1,29 @@
+package org.meowcat.edxposed.manager.util;
+
+import androidx.annotation.NonNull;
+
+public class Version implements Comparable<Version> {
+    @NonNull
+    public final int[] numbers;
+
+    public Version(@NonNull String version) {
+        final String[] split = version.split("-")[0].split("\\.");
+        numbers = new int[split.length];
+        for (int i = 0; i < split.length; i++) {
+            numbers[i] = Integer.parseInt(split[i]);
+        }
+    }
+
+    @Override
+    public int compareTo(@NonNull Version another) {
+        final int maxLength = Math.max(numbers.length, another.numbers.length);
+        for (int i = 0; i < maxLength; i++) {
+            final int left = i < numbers.length ? numbers[i] : 0;
+            final int right = i < another.numbers.length ? another.numbers[i] : 0;
+            if (left != right) {
+                return left < right ? -1 : 1;
+            }
+        }
+        return 0;
+    }
+}