[Lunoxel]

You must use the strval and IsNumeric.

Код:

if(dialogid == DIALOG_ACTIVATION)
{
	if(!response) return Kick(playerid);
	if(!IsNumeric(inputtext)) return SendClientMessage(playerid, -1, "In this dialog you can only use numbers."); // Else, another message
	if(response)
	{
		if(strval(inputtext) == 1)
		{
			PlayerInfo[playerid][pActivated] = 1;
		}
		else
		{
			ShowPlayerDialog(playerid, DIALOG_ACTIVATION, DIALOG_STYLE_INPUT, "Oops! Something went wrong.", "You have entered an incorrect code. Please Try again.", "Activate", "Quit");
		}
	}
}

IsNumeric:

Код:

IsNumeric(const string[])
{
	for (new i = 0, j = strlen(string); i < j; i++)
	{
		if (string[i] > '9' || string[i] < '0') return 0;
	}
    return 1;
}