匹配电话号码是不是有效

<pre name="code" class="java">package com.example.phonenumber;

import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.google.i18n.phonenumbers.NumberParseException;
import com.google.i18n.phonenumbers.PhoneNumberUtil;
import com.google.i18n.phonenumbers.Phonenumber.PhoneNumber;

public class MainActivity extends Activity {
	
	Button verifyb = null;
	TextView result = null;
	Context mcontext = null;
	
	public boolean isPhoneNumberValid(String phoneNumber)
	{
		
		   PhoneNumberUtil phoneUtil = PhoneNumberUtil.getInstance();
		    String  countryCode = Locale.getDefault().getCountry();
		    		    						
		    try 
		    {
		        PhoneNumber numberProto = phoneUtil.parse(phoneNumber, countryCode);
		        return phoneUtil.isValidNumber(numberProto);
		    } 
		    catch (NumberParseException e) 
		    {
		        System.err.println("NumberParseException was thrown: " + e.toString());
		    }

		    return false;  
	
	}
	

	
	 public static boolean isPhoneNumberValid2(String phoneNumber) {
		  boolean isValid = false;
		  /*
		   * 可接受的电话格式有：
		   */
		  String expression =   "(\\+[0-9]+[\\- \\.]*)?"                  
				  				+ "(\\([0-9]+\\)[\\- \\.]*)?"              
				  				+ "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])";
		
		  CharSequence inputStr = phoneNumber;
		  Pattern pattern = Pattern.compile(expression);
		  Matcher matcher = pattern.matcher(inputStr);
		  
		  if(matcher.matches() ) {
		    isValid = true;
		  }
		  return isValid;
	 }
	
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        mcontext = this;
        setContentView(R.layout.activity_main);
        
        result	= (TextView)findViewById(R.id.result);
        verifyb = (Button)findViewById(R.id.verifb);
        
        verifyb.setOnClickListener(new Button.OnClickListener(){//创建监听    
            public void onClick(View v) {    
                //用EditText前，请先:import android.widget.EditText;  
                //获取文本框1的文本  
                String str1="";  
                EditText editText1 =(EditText)findViewById(R.id.phonenumber);  
                str1=editText1.getText().toString();
                //boolean varid = PhoneNumberUtils.isGlobalPhoneNumber(str1);
                //boolean varid =  isPhoneNumberValid(str1);
                boolean varid =  isPhoneNumberValid2(str1);
                if(varid){
                	str1 = "true";               	
                }else{
                	str1 = "false";
                }
                result.setText(str1);
            }    
  
        });    
        
    }


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
    
}

参考资料：

https://github.com/googlei18n/libphonenumber/blob/master/README.md
http://www.programcreek.com/java-api-examples/index.php?api=com.android.i18n.phonenumbers.PhoneNumberUtil
http://www.itstrike.cn/Question/690f4f22-2c59-4dfe-99aa-30e5c4514322.html
https://github.com/googlei18n/libphonenumber
http://www.tuicool.com/articles/iMVn2e
http://stackoverflow.com/questions/6358380/phone-number-validation-android
http://www.javased.com/index.php?source_dir=android_external_libphonenumber/java/src/com/android/i18n/phonenumbers/PhoneNumberUtil.java