public class App extends Application{
  public void onCreate() {
    //请用你的AppId，AppKey。并在管理台启用手机号码短信验证
    AVOSCloud.initialize(this, "",
        "");
  }
}

AVOSCloud.requestSMSCode(phone, "应用名称", "操作名称", 10);  //10分钟内有效

 AVOSCloud.verifySMSCodeInBackground(code,new AVMobilePhoneVerifyCallback() {
      @Override
      public void done(AVException e) {
        if(e==null){
          toast(R.string.verifySucceed);
        }else{
          e.printStackTrace();
          toast(R.string.verifyFailed);
        }
      }
    });