set Text Changed Button Enable between EditText and Button View - Android User Interface

Android examples for User Interface:EditText

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Description

set Text Changed Button Enable between EditText and Button View

Demo Code


//package com.java2s;

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

import android.view.View;

import android.widget.EditText;
import java.util.List;

public class Main {
    public static void setTextChangedButtonEnable(
            final List<EditText> list, final View button) {
        for (int i = 0; i < list.size(); i++) {
            EditText editText = list.get(i);
            editText.addTextChangedListener(new TextWatcher() {

                @Override/*w  w w.jav  a  2  s  .  c om*/
                public void onTextChanged(CharSequence s, int start,
                        int before, int count) {
                    for (int i = 0; i < list.size(); i++) {
                        EditText editText = list.get(i);
                        if (editText.getText().toString().length() == 0) {
                            button.setEnabled(false);
                            break;
                        } else {
                            button.setEnabled(true);
                        }
                    }
                }

                @Override
                public void beforeTextChanged(CharSequence s, int start,
                        int count, int after) {
                    // TODO Auto-generated method stub

                }

                @Override
                public void afterTextChanged(Editable s) {
                    // TODO Auto-generated method stub

                }
            });
        }
    }
}

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