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(); }