Android How to - Get System APK Path Map

Question

We would like to know how to get System APK Path Map.
Answer

// w ww  .j a v a  2 s.c om
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;

public class Main {
  
  public static Map<String, PackageInfo> getSystemApkPathMap(Context context) {
      Map<String, PackageInfo> apkMap = new HashMap<String, PackageInfo>();
      List<PackageInfo> packageList = getAllPackages(context);
      if (packageList != null && packageList.size() > 0) {
          for (PackageInfo pkg : packageList) {
              if ((pkg.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
                  apkMap.put(pkg.packageName, pkg);
              }
          }
      }
      return apkMap;
  }

  public static List<PackageInfo> getAllPackages(Context context) {
    List<PackageInfo> packageList = new ArrayList<PackageInfo>();
    PackageManager pm = context.getPackageManager();
    packageList = pm.getInstalledPackages(0);
    return packageList;
  }
}