android build details

PackageManagerInfo.java

package org.example;

import android.app.Activity;
import android.content.pm.PackageManager;
import android.content.pm.PackageInfo;

class PackageManagerInfo extends Activity {

  public void onCreate() {
    super.onCreate();
    
    try {
            PackageInfo packageInfo =  getPackageManager()
                    .getPackageInfo(getPackageName(), 0);
            String versionName = packageInfo.versionName;
            int versionCode = packageInfo.versionCode;
            String packageName = packageInfo.packageName;
      
        } catch (PackageManager.NameNotFoundException e) {
            e.printStackTrace()
        }
  }

}