CheckLimiteWatcher

CheckLimiteWatcher.txt

public class CheckLimiteWatcher implements TextWatcher{

    private Context context;
    private int limite;
    private int totalAnterior = -1;

    public CheckLimiteWatcher( Context context, int limite ) {
        this.limite = limite;
        this.context = context;
    }

    public void afterTextChanged( Editable s ) {
        try {
            if( s.toString().length() > limite ){
                if( s.toString().length() > totalAnterior ){
                    Funcoes.showMensagem( context,  "Campo limitado em "+limite+" letras" );
                }
                totalAnterior = s.toString().length();
                s.delete( limite, s.toString().length() );
                return;
            }else{
                totalAnterior = s.toString().length();
            }
        }
        catch( NumberFormatException nfe ){}
    }
    public void beforeTextChanged(CharSequence s, int start, int count, int after) {
    }
    public void onTextChanged(CharSequence s, int start, int before, int count) {
    }
}