// Determine whether the RLZ provider is present on the system.
 private boolean rlzProviderPresent() {
   if (mIsProviderPresent == null) {
     PackageManager pm = mActivity.getPackageManager();
     mIsProviderPresent = pm.resolveContentProvider(RLZ_PROVIDER, 0) != null;
   }
   return mIsProviderPresent;
 }