Android客户端实现注册、登录详解（1）

StringRequest request=new StringRequest(Method.POST, url, new Listener<String>() {  //请求成功  @Override  public void onResponse(String s) {   //执行请求成功的回调   callback.onSuccess()  } }, new ErrorListener() {  //请求错误  @Override  public void onErrorResponse(VolleyError volleyError) {   //执行请求失败的回调   callback.onFailure()  } }){  //携带参数（Map集合）  @Override  protected Map<String, String> getParams() throws AuthFailureError {   return parames;  } }; //将请求添加到请求队列中 Volley.newRequestQueue(context).add(request);

 成功 {  "ret":0,  "errcode":0,  "msg":"接口调用成功",  "data":{   "userid":"16489",   "email":"nnn@aaa.com",   "nickname":"duss",   "userhead":"http://img.itlanbao.com/avatar.png"  }  } 失败 {  "ret":1,  "errcode":1,  "msg":"接口调用失败" }

 registBtn.setOnClickListener(new Button.OnClickListener() {  @Override  public void onClick(View v) {   // TODO Auto-generated method stub   //获得用户输入的信息   String nick = loginNick.getText().toString();   String emailStr = email.getText().toString();   String passwordStr = password.getText().toString();   if (!TextUtils.isEmpty(nick) &&     !TextUtils.isEmpty(emailStr)     && !TextUtils.isEmpty(passwordStr)) {    if (Utils.isEmail(emailStr)) {//验证邮箱格式是否符合     //调用RequestApiData中的getRegistData（）方法进行注册，传入用户输入的昵称，邮箱、密码，以及解析数据的bean对象和callback对象（回调到自身）     RequestApiData.getInstance().getRegistData(nick, emailStr, passwordStr,       AnalyticalRegistInfo.class, RegisterActivity.this);    } else {     Toast.makeText(RegisterActivity.this, "输入邮箱有误", Toast.LENGTH_SHORT).show();    }   } else {    Toast.makeText(RegisterActivity.this, "输入信息未完全", Toast.LENGTH_SHORT).show();   }  } });

HttpResponeCallBack接口 RequestApiData.getInstance().getRegistData(nick, emailStr, passwordStr,       AnalyticalRegistInfo.class, RegisterActivity.this);

 public interface HttpResponeCallBack { public void onResponeStart(String apiName); /**  * 此回调只有调用download方法下载数据时才生效  *   * @param apiName  * @param count  * @param current  */ public void onLoading(String apiName, long count, long current); public void onSuccess(String apiName, Object object); public void onFailure(String apiName, Throwable t, int errorNo, String strMsg);}

 public class RequestApiData { private static RequestApiData instance = null; private HttpResponeCallBack mCallBack = null; //创建接口对象 public static RequestApiData getInstance() {  if (instance == null) {   instance = new RequestApiData();  }  return instance; } /**  * 4.6注册用户接口  * @param nickname 昵称  * @param email 邮箱  * @param password 密码  * @param clazz 数据返回的解析对象  * @param callback 回调  * 特别要注意参数位置不能变要根据文档来  * 请求方式：POST  */ public void getRegistData(String nickname,String email   ,String password, Class<AnalyticalRegistInfo> clazz,   HttpResponeCallBack callback) {   mCallBack = callback;   //这是每一个接口的唯一标示   String tagUrl = UrlConstance.KEY_REGIST_INFO;//注册接口   //将注册的信息保存在map中（须和服务器端一致）   HashMap<String, String> parameter = new HashMap<String, String>();   parameter.put("nickname", nickname);   parameter.put("email",email);   parameter.put("password",password);  //拼接参数信息，昵称，邮箱，密码，公钥，并用md5进行加密  StringBuilder builder = new StringBuilder();  builder.append(nickname);  builder.append(email);  builder.append(password);  builder.append(UrlConstance.PUBLIC_KEY);  parameter.put(UrlConstance.ACCESSTOKEN_KEY,MD5Util.getMD5Str(builder.toString()));   //调用RequestManager的post方法，请求服务器   RequestManager.post(UrlConstance.APP_URL,tagUrl, parameter, clazz, callback); }}

 public class RequestManager { private static RequestQueue mRequestQueue; private static ImageLoader mImageLoader; private synchronized static void initRequestQueue() {  if (mRequestQueue == null) {   //创建一个请求队列（使用Volley框架）   mRequestQueue = Volley.newRequestQueue(ItLanbaoLibApplication.getInstance());  } } /**  * 添加请求到请求队列中  * @param request  * @param tag  */ private static void addRequest(Request<?> request, Object tag) {  if (tag != null) {   request.setTag(tag);  }  mRequestQueue.add(request); } /**  * post 请求数据  *  * @param app_url  公共的接口前缀 http://www.itlanbao.com/api/app/  * @param tag_url  接口名称，eg:users/user_register_Handler.ashx(注册接口)  * @param parameter 请求参数封装对象  * @param clazz  返回数据封装对象，如果传null，则直接返回String  * @param callback 接口回调监听  */ public static <T> void post(final String app_url, final String tag_url, final HashMap<String, String> parameter, Class<T> clazz,        final HttpResponeCallBack callback) {  //发送post请求服务器  post(app_url, tag_url, parameter, clazz, callback, Priority.NORMAL); } /**  * post 请求数据  *  * @param app_url 路径  * @param url  接口名称  * @param parameter 请求参数封装对象  * @param clazz  返回数据封装对象，如果传null，则直接返回String  * @param callback 接口回调监听  * @param priority 指定接口请求线程优先级  */ public static <T> void post(final String app_url, final String url, final HashMap<String, String> parameter, final Class<T> clazz,        final HttpResponeCallBack callback, Priority priority) {  if (callback != null) {   callback.onResponeStart(url);//回调请求开始  }  //初始化请求队列  initRequestQueue();  //将公共的接口前缀和接口名称拼接  //eg:拼接成注册的接口 http://www.itlanbao.com/api/app/users/user_register_Handler.ashx  StringBuilder builder = new StringBuilder(app_url);  builder.append(url);  {// 检查当前网络是否可用   final NetworkUtils networkUtils = new NetworkUtils(ItLanbaoLibApplication.getInstance());   if (!networkUtils.isNetworkConnected() && android.os.Build.VERSION.SDK_INT > 10) {    if (callback != null) {     callback.onFailure(url, null, 0, "网络出错");//回调请求失败     return;    }   }  }  /**   * 使用Volley框架真正去请求服务器   * Method.POST：请求方式为post   * builder.toString()：请求的链接   * Listener<String>：监听   */  StringRequest request = new StringRequest(Method.POST, builder.toString(),    new Listener<String>() {     @Override     public void onResponse(String response) {      // TODO Auto-generated method stub      try {       if (response != null && callback != null) {        Gson gson = new Gson();        //回调请求成功，传入url和解析的对象        callback.onSuccess(url, gson.fromJson(response, clazz));       }      } catch (Exception e) {       // TODO: handle exception       if (callback != null) {        //回调请求失败--解析异常        callback.onFailure(url, e, 0, "解析异常");        return;       }      }     }    }, new ErrorListener() {   //请求出错的监听   @Override   public void onErrorResponse(VolleyError error) {    if (callback != null) {     if (error != null) {      callback.onFailure(url, error.getCause(), 0,        error.getMessage());     } else {      callback.onFailure(url, null, 0, "");     }    }   }  }) {   //post请求的参数信息   protected Map<String, String> getParams() {    return getPostApiParmes(parameter);   }  };  //添加请求到请求队列中  addRequest(request, url); } /*  * post参数  *   * ts:时间戳 sign: 接口签名 parms = 按文档参数拼接 parm[0]+ … + parm[n-1] sign =  * md5(parms+"双方平台约定公钥")  */ private static ApiParams getPostApiParmes(final HashMap<String, String> parameter) {  ApiParams api = new ApiParams();  for (Entry<String, String> entry : parameter.entrySet()) {   api.with(entry.getKey(), entry.getValue());  }  return api; }}

  @Override public void onResponeStart(String apiName) {  // TODO Auto-generated method stub  Toast.makeText(RegisterActivity.this, "正在请求数据...", Toast.LENGTH_SHORT).show(); } @Override public void onLoading(String apiName, long count, long current) {  Toast.makeText(RegisterActivity.this, "Loading...", Toast.LENGTH_SHORT).show();  } @Override public void onSuccess(String apiName, Object object) {  // TODO Auto-generated method stub  //注册接口  if (UrlConstance.KEY_REGIST_INFO.equals(apiName)) {   if (object != null && object instanceof AnalyticalRegistInfo) {    AnalyticalRegistInfo info = (AnalyticalRegistInfo) object;    String successCode = info.getRet();    //请求成功    if (successCode.equals(Constant.KEY_SUCCESS)) {     UserBaseInfo baseUser = new UserBaseInfo();     baseUser.setEmail(info.getEmail());     baseUser.setNickname(info.getNickname());     baseUser.setUserhead(info.getUserhead());     baseUser.setUserid(String.valueOf(info.getUserid()));     ItLanBaoApplication.getInstance().setBaseUser(baseUser);     UserPreference.save(KeyConstance.IS_USER_ID, String.valueOf(info.getUserid()));     UserPreference.save(KeyConstance.IS_USER_ACCOUNT, info.getEmail());     UserPreference.save(KeyConstance.IS_USER_PASSWORD, password.getText().toString());     Intent intent = new Intent(RegisterActivity.this, MainActivity.class);     RegisterActivity.this.startActivity(intent);     Toast.makeText(RegisterActivity.this, "注册成功...", Toast.LENGTH_SHORT).show();     RegisterActivity.this.finish();    } else {     Toast.makeText(RegisterActivity.this, "注册失败", Toast.LENGTH_SHORT).show();    }   }  } } @Override public void onFailure(String apiName, Throwable t, int errorNo, String strMsg) {  Toast.makeText(RegisterActivity.this, "Failure", Toast.LENGTH_SHORT).show(); }