turns out i used an unused helper method

app/src/main/java/org/cocos2dx/lib/Cocos2dxHelper.kt

@@ -3,6 +3,7 @@ package org.cocos2dx.lib
 import android.content.Context
 import android.content.pm.ApplicationInfo
 import android.os.Process
+import com.customRobTop.BaseRobTopActivity
 
 
 @Suppress("unused", "KotlinJniMissingFunction")
@@ -34,6 +35,11 @@ object Cocos2dxHelper {
         Process.killProcess(Process.myPid())
     }
 
+    @JvmStatic
+    fun getDPI(): Int {
+        return BaseRobTopActivity.me.get()?.resources?.configuration?.densityDpi ?: -1
+    }
+
     fun init(context: Context, cocos2dxHelperListener: Cocos2dxHelperListener) {
         val applicationInfo: ApplicationInfo = context.applicationInfo
 //        sContext = pContext