edittext (onTextChanged) 예제

package com.mycompany.test;

import android.app.*;
import android.os.*;
import android.widget.*;
import android.text.TextWatcher;
import android.text.Editable;

public class MainActivity extends Activity
{
    @Override
    protected void onCreate(Bundle savedInstanceState)
    {
final EditText et;
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
 
et = (EditText)findViewById(R.id.et);
et.addTextChangedListener(new TextWatcher() {

@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
// 입력되는 텍스트에 변화가 있을 때
Toast.makeText(getApplicationContext(),et.getText(),Toast.LENGTH_SHORT).show();
}

@Override
public void afterTextChanged(Editable arg0) {
// 입력이 끝났을 때
}

@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
// 입력하기 전에
}
});
}
}