EditText当手机输入小写字母时自动转为大写

package org.crazyit.ui;

import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.os.Bundle;
import android.os.Handler;
import android.text.Editable;
import android.text.TextWatcher;
import android.view.MotionEvent;
import android.view.View;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TableLayout;

/**
 * Description: 

 * site: crazyit.org 

 * Copyright (C), 2001-2014, Yeeku.H.Lee 

 * This program is protected by copyright laws. 

 * Program Name: 

 * Date:
 * 
 * @author Yeeku.H.Lee [email protected]
 * @version 1.0
 */
public class InputUITest extends Activity {
	private EditText edt01;
	private TableLayout table01;
	private LinearLayout line01;
	private String str;

	// 创建一个Handler对象
	Handler handler = new Handler();
	// 将要执行的操作写在线程对象的run方法当中（匿名内部类）
	Runnable UpperCase = new Runnable() {

		@Override
		public void run() {
			System.out.println("UpdateThread");
			// 小写转大写
			edt01.setText(str.toUpperCase());
			// 设置EditText光标位置
			edt01.setSelection(str.length());

		}

	};

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		
		table01 = (TableLayout) findViewById(R.id.table01);
//		line01 = (LinearLayout) findViewById(R.id.line01);
		final TheCircle draw = new TheCircle(this);
		// 设置自定义组件的最大宽度、高度
		draw.setMinimumWidth(300);
		draw.setMinimumHeight(500);
		table01.addView(draw);
		
		edt01 = (EditText) findViewById(R.id.edt01);
		edt01.addTextChangedListener(new TextWatcher() {

			public void onTextChanged(CharSequence text, int start, int before,
					int count) {
				str = edt01.getText().toString();
				// 判断输入的