How can I get "Bundle Version" and "Bundle Version Code" through script?

It's not flexible solution, because:

• you need support java code when you update targetSdk in your project setting by google documentation(example: https://developer.android.com/reference/android/app/Activity)
• always hide calls under defines
• when you work with JVM you need await JVM thread(https://docs.unity3d.com/ScriptReference/AndroidJNI.AttachCurrentThread.html)
• JNI calls are difficult for performance

 

It's stupid but this is how Meta does it when creating new code versions:

Code (CSharp):

1.     public void OnPostprocessBuild(BuildReport report)
2.     {
3. #if UNITY_ANDROID
4.         if (autoIncrementVersion)
5.         {
6.             if ((report.summary.options & BuildOptions.Development) == 0)
7.             {
8.                 PlayerSettings.Android.bundleVersionCode++;
9.                 UnityEngine.Debug.Log("Incrementing version code to " + PlayerSettings.Android.bundleVersionCode);
10.             }
11.         }
12.        // ...
13. }