public static boolean installSilent(Context context,String filePath) {
		if (filePath == null || filePath.length() == 0) {
            return false;
        }else {
        	File file = new File(filePath);
            if (file == null || file.length() <= 0 || !file.exists() || !file.isFile()) {
                return false;
            }else {
            	StringBuilder command = new StringBuilder().append("LD_LIBRARY_PATH=/vendor/lib:/system/lib pm install -r ").append(filePath.replace(" ", "\\ "));
            	CommandResult commandResult = zShellUtils.execCommand(command.toString(), !isSystemApplication(context), true);
            	if (commandResult.successMsg != null && (commandResult.successMsg.contains("Success") || commandResult.successMsg.contains("success"))) {
                      return true;
                 }else {
                	 return false;
                 }
            }
        }
	}