android EditText失去焦点可以干的事情(2)

 package com.teego.activity;

import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;
import android.widget.Toast;

public class HelloEditText extends Activity {
	private EditText edit1, edit2, edit3;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);

		edit1 = (EditText) findViewById(R.id.ed_txt1);
		edit2 = (EditText) findViewById(R.id.ed_txt2);
		edit3 = (EditText) findViewById(R.id.ed_txt3);

		edit1.addTextChangedListener(new TextWatch());
		edit2.addTextChangedListener(new TextWatch());
		// edit3.addTextChangedListener(new TextWatch());
	}

	class TextWatch implements TextWatcher {

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

		}

		@Override
		public void onTextChanged(CharSequence s, int start, int before,
				int count) {
			if (s.length() == 1) {
				if (edit1.hasFocus()) {
					edit1.setFocusable(false);
					Toast.makeText(HelloEditText.this, "验证editText1",
							Toast.LENGTH_SHORT).show();

				} else if (edit2.hasFocus()) {
					edit2.setFocusable(false);
					Toast.makeText(HelloEditText.this, "验证editText2",
							Toast.LENGTH_SHORT).show();

				} else if (edit3.hasFocus()) {
					Toast.makeText(HelloEditText.this, "验证editText3",
							Toast.LENGTH_SHORT).show();

				}

			}

		}

		@Override
		public void afterTextChanged(Editable s) {

		}

	}
} package com.teego.activity;

import android.ap