apk util check install status

app/src/main/java/com/sheep/gamegroup/util/js/KFZSJs.java

@@ -152,8 +152,8 @@ public class KFZSJs {
     }
 
     @JavascriptInterface
-    public void isInstalled(String pkg) {
-        PackageUtil.isAppInstalled(activity, pkg);
+    public boolean isInstalled(String pkg) {
+        return PackageUtil.isAppInstalled(activity, pkg);
     }
 
     @JavascriptInterface