@Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 init();
 SMSSDK.initSDK(this, AppKey, APPSECRET);
 EventHandler eh = new EventHandler() {

  @Override
  public void afterEvent(int event, int result, Object data) {
  Message msg = new Message();
  msg.arg1 = event;
  msg.arg2 = result;
  msg.obj = data;
  handler.sendMessage(msg);
  }

 };
 SMSSDK.registerEventHandler(eh);
 }

/**
 * @param string 电话号码的区号 比如说86
 * @param string 具体的电话号码
 */
SMSSDK.getVerificationCode("86", PhoneEd.getText().toString());

 <uses-permission android:name="android.permission.READ_CONTACTS" />
 <uses-permission android:name="android.permission.READ_PHONE_STATE" />
 <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
 <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
 <uses-permission android:name="android.permission.INTERNET" />
 <uses-permission android:name="android.permission.RECEIVE_SMS" />
 <uses-permission android:name="android.permission.GET_TASKS" />
 <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

private class SmsObserver extends ContentObserver {

  public SmsObserver(Handler handler) {
   super(handler);
   // TODO Auto-generated constructor stub
  }
  /**
   *Uri.parse("content://sms/inbox")表示对收到的短信的一个监听的uri.
   */
  @Override
  public void onChange(boolean selfChange) {
   // TODO Auto-generated method stub
   StringBuilder sb = new StringBuilder();
   Cursor cursor = getContentResolver().query(
     Uri.parse("content://sms/inbox"), null, null, null, null);
      //这里不要使用while循环.我们只需要获取当前发送过来的短信数据就可以了.
   cursor.moveToNext();
   sb.append("body=" + cursor.getString(cursor.getColumnIndex("body"))); //获取短信内容的实体数据.
   Pattern pattern = Pattern.compile("[^0-9]"); //正则表达式.
   Matcher matcher = pattern.matcher(sb.toString());
   CodeText = matcher.replaceAll("");
   CodeEd.setText(CodeText); //将输入验证码的控件内容进行改变.
   cursor.close(); //关闭游标指针.
   super.onChange(selfChange);
  }
 }  

 <uses-permission android:name="android.permission.RECEIVE_SMS" />
 <uses-permission android:name="android.permission.READ_SMS" />

package com.example.sms;

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

import org.json.JSONObject;

import cn.smssdk.EventHandler;
import cn.smssdk.SMSSDK;
import cn.smssdk.utils.SMSLog;
import android.app.Activity;
import android.database.ContentObserver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {

 private Button getCode;
 private Button Identity;

 private EditText PhoneEd;
 private EditText CodeEd;
 private String AppKey = "110ee66f30b40";
 private String APPSECRET = "85ec67aed1b89e3ec73f37b8b89f5142";
 public String phone;

 private String CodeText;

 private Handler handler = new Handler() {

  @Override
  public void handleMessage(Message msg) {
   // TODO Auto-generated method stub
   super.handleMessage(msg);
   int event = msg.arg1;
   int result = msg.arg2;
   Object data = msg.obj;
   if (result == SMSSDK.RESULT_COMPLETE) {
    if (event == SMSSDK.EVENT_SUBMIT_VERIFICATION_CODE) {
     Toast.makeText(getApplicationContext(), "提交验证码成功",
       Toast.LENGTH_SHORT).show();
    } else if (event == SMSSDK.EVENT_GET_VERIFICATION_CODE) {
     // 已经验证
     Toast.makeText(getApplicationContext(), "验证码已经发送",
       Toast.LENGTH_SHORT).show();
    }
   } else {
    int status = 0;
    try {
     ((Throwable) data).printStackTrace();
     Throwable throwable = (Throwable) data;

     JSONObject object = new JSONObject(throwable.getMessage());
     String des = object.optString("detail");
     status = object.optInt("status");
     if (!TextUtils.isEmpty(des)) {
      Toast.makeText(MainActivity.this, des,
        Toast.LENGTH_SHORT).show();
      return;
     }
    } catch (Exception e) {
     SMSLog.getInstance().w(e);
    }
   }
  }

 };

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  init();
  SMSSDK.initSDK(this, AppKey, APPSECRET);
  EventHandler eh = new EventHandler() {

   @Override
   public void afterEvent(int event, int result, Object data) {
    Message msg = new Message();
    msg.arg1 = event;
    msg.arg2 = result;
    msg.obj = data;
    handler.sendMessage(msg);
   }

  };
  SMSSDK.registerEventHandler(eh);
 }

 private void init() {

  getCode = (Button) findViewById(R.id.getCode);
  Identity = (Button) findViewById(R.id.Indentity);
  PhoneEd = (EditText) findViewById(R.id.PhoneEd);
  CodeEd = (EditText) findViewById(R.id.Code);
  getCode.setOnClickListener(this);
  Identity.setOnClickListener(this);
 }

 
 private class SmsObserver extends ContentObserver {

  public SmsObserver(Handler handler) {
   super(handler);
   // TODO Auto-generated constructor stub
  }

  @Override
  public void onChange(boolean selfChange) {
   // TODO Auto-generated method stub
   StringBuilder sb = new StringBuilder();
   Cursor cursor = getContentResolver().query(
     Uri.parse("content://sms/inbox"), null, null, null, null);
   cursor.moveToNext();
   sb.append("body=" + cursor.getString(cursor.getColumnIndex("body")));

   System.out.println(sb.toString());
   Pattern pattern = Pattern.compile("[^0-9]");
   Matcher matcher = pattern.matcher(sb.toString());
   CodeText = matcher.replaceAll("");
   CodeEd.setText(CodeText);
   cursor.close();
   super.onChange(selfChange);
  }
 }
 
 @Override
 public void onClick(View v) {
  // TODO Auto-generated method stub
  switch (v.getId()) {
  case R.id.getCode: // 获取验证码的过程.
   if (!TextUtils.isEmpty(PhoneEd.getText().toString())) {
    getContentResolver().registerContentObserver(
      Uri.parse("content://sms"), true,
      new SmsObserver(new Handler()));
    SMSSDK.getVerificationCode("86", PhoneEd.getText().toString());
    phone = PhoneEd.getText().toString();

   } else {
    Toast.makeText(MainActivity.this, "电话号码不能为空", Toast.LENGTH_LONG)
      .show();
   }
   break;
  case R.id.Indentity:
   SMSSDK.submitVerificationCode("86", phone, CodeEd.getText()
     .toString());
   break;
  }
 }

 protected void onDestroy() {
  SMSSDK.unregisterAllEventHandler();
  getContentResolver().unregisterContentObserver(new SmsObserver(handler));
 };
}