android中在字符串中提取电话号码

package app.myapplication;

import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;

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


public class MainActivity extends ActionBarActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
      /* String s= getNumber("我的电话是13146921596，固定电话是0137-6471263"); String s2=getNumber("010-12345678"); String s3=getNumber("我的电话13146921596"); System.out.println("s----"+s); System.out.println("s2----"+s2); System.out.println("s3----"+s3);*/
        list=new ArrayList();
        //如果电话号码多的话，则要建立一个数组
        list=getNumber2("我的电话是13146921596，固定电话是010-12345678");
        for(int i=0;i<list.size();i++){
            System.out.println(list.get(i));
        }


    }
    public static ArrayList list;

    public static String getNumber(String content) {
        list = new ArrayList();
        Pattern p = Pattern.compile("\\d{3}-\\d{8}|\\d{4}-\\d{7}|\\d{11}");
        Matcher matcher = p.matcher(content);
        if (matcher.find()) {
            String n = matcher.group(0);
            return n;
        }
        return null;
    }
    public static ArrayList getNumber2(String content) {
        list = new ArrayList();
        Pattern p = Pattern.compile("\\d{3}-\\d{8}|\\d{4}-\\d{7}|\\d{11}");
        Matcher matcher = p.matcher(content);
        while (matcher.find()) {
            String n = matcher.group(0).toString();
            list.add(n);
        }
        return list;
    }

}