code: @Override
  	public boolean isIntentAvailable(Context context, Intent intent) {
  		PackageManager packageManager = context.getPackageManager();
  		return packageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY).size() > 0;
  	}
docs: /* (non-Javadoc)
  @see com.socialize.util.IAppUtils#isIntentAvailable(android.content.Context, android.content.Intent)