Convert input value to Currency in TextWatcher : TextWatcher « UI « Android

1. Android
2. UI
3. TextWatcher

Convert input value to Currency in TextWatcher

  

package app.test;


import java.text.NumberFormat;

import android.text.Editable;
import android.text.TextWatcher;

import android.app.Activity;
import android.os.Bundle;
import android.widget.EditText;

public class Test extends Activity  {

    EditText text;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        text = new EditText(this);
        text.addTextChangedListener(new CurrencyTextWatcher());

        setContentView(text);
    }
}
class CurrencyTextWatcher implements TextWatcher {

    boolean mEditing;

    public CurrencyTextWatcher() {
        mEditing = false;
    }

    public synchronized void afterTextChanged(Editable s) {
        if(!mEditing) {
            mEditing = true;

            String digits = s.toString().replaceAll("\\D", "");
            NumberFormat nf = NumberFormat.getCurrencyInstance();
            try{
                String formatted = nf.format(Double.parseDouble(digits)/100);
                s.replace(0, s.length(), formatted);
            } catch (NumberFormatException nfe) {
                s.clear();
            }

            mEditing = false;
        }
    }

    public void beforeTextChanged(CharSequence s, int start, int count, int after) { }

    public void onTextChanged(CharSequence s, int start, int before, int count) { }

}

   
    
  

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