Android Open Source - CreditCardEntry Credit Card Text

From Project

License

The source code is released under:

MIT License

If you think the Android project CreditCardEntry listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.devmarvel.creditcardentry.fields;
/*from w ww  .j a  v a  2s . co  m*/
import android.content.Context;
import android.text.Editable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Gravity;

import com.devmarvel.creditcardentry.R;
import com.devmarvel.creditcardentry.internal.CreditCardUtil;
import com.devmarvel.creditcardentry.internal.CreditCardUtil.CardType;
import com.devmarvel.creditcardentry.internal.CreditCardUtil.CreditCardFieldDelegate;

public class CreditCardText extends CreditEntryFieldBase {

  private CardType type;
  private CreditCardFieldDelegate delegate;

  private String previousNumber;

  public CreditCardText(Context context) {
    super(context);
    init();
  }

  public CreditCardText(Context context, AttributeSet attrs) {
    super(context, attrs);
    init();
  }

  public CreditCardText(Context context, AttributeSet attrs, int defStyle) {
    super(context, attrs, defStyle);
    init();
  }

  public void init() {
    super.init();
    setGravity(Gravity.LEFT);
    setHint("1234 5678 9012 3456");
  }

  /* TextWatcher Implementation Methods */
  public void beforeTextChanged(CharSequence s, int start, int count,
      int after) {
    previousNumber = s.toString();
  }

  public void afterTextChanged(Editable s) {

    String number = s.toString();

    if (number.length() >= CreditCardUtil.CC_LEN_FOR_TYPE) {
      CardType type = CreditCardUtil.findCardType(number);

      if (type.equals(CardType.INVALID)) {
        this.removeTextChangedListener(this);
        this.setText(previousNumber);
        this.setSelection(3);
        this.addTextChangedListener(this);
        delegate.onBadInput(this);
        setValid(false);
        return;
      }

      if (this.type != type) {
        delegate.onCardTypeChange(type);
      }
      this.type = type;

      String formatted = CreditCardUtil.formatForViewing(number, type);

      if (!number.equalsIgnoreCase(formatted)) {
        Log.i("CreditCardText", formatted);
        this.removeTextChangedListener(this);
        this.setText(formatted);
        this.setSelection(formatted.length());
        this.addTextChangedListener(this);
      }

      if (formatted.length() >= CreditCardUtil
          .lengthOfFormattedStringForType(type)) {
        if (CreditCardUtil.isValidNumber(formatted)) {
          delegate.onCreditCardNumberValid();
          setValid(true);
        } else {
          delegate.onBadInput(this);
          setValid(false);
        }
      }

    } else {
      if (this.type != null) {
        this.type = null;
        delegate.onCardTypeChange(CardType.INVALID);
      }
    }
  }

  public CreditCardFieldDelegate getDelegate() {
    return delegate;
  }

  public void setDelegate(CreditCardFieldDelegate delegate) {
    this.delegate = delegate;
    delegate.focusOnField(this);
  }

  public CardType getType() {
    return type;
  }

  @Override
  public String helperText() {
    return context.getString(R.string.CreditCardNumberHelp);
  }
}

Java Source Code List