code: @TargetApi(Build.VERSION_CODES.FROYO)
      public static DevicePolicyManager getDevicePolicyManager(Context context) {
          return (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
      }
docs: Get the {@link android.app.admin.DevicePolicyManager} service for this context.
  @param context the context.
  @return the {@link android.app.admin.DevicePolicyManager}