Android客户端实现注册、登录详解（2）

 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);

/** * 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);}

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

 {  "ret":1,  "errcode":1,  "msg":"账号或密码错误" }

 //点击登录按钮 loginBtn.setOnClickListener(new Button.OnClickListener() {  @Override  public void onClick(View v) {   // TODO Auto-generated method stub   String account = loginAccount.getText().toString();//账号   String password = loginPassword.getText().toString();//密码   if (!TextUtils.isEmpty(account) && !TextUtils.isEmpty(password)     && Utils.isEmail(account)) {    RequestApiData.getInstance().getLoginData(account, password, UserBaseInfo.class, LoginActivity.this);   } else {    Toast.makeText(LoginActivity.this, "账号或者密码有误", Toast.LENGTH_SHORT).show();   }  } });

 //传入账号名，密码，解析数据的bean对象和回调（这里传入的是自身，所以LoginActivity也同样实现了回调接口HttpResponeCallBack） RequestApiData.getInstance().getLoginData(account, password, UserBaseInfo.class, LoginActivity.this);

 //创建接口对象 public static RequestApiData getInstance() {  if (instance == null) {   instance = new RequestApiData();  }  return instance; } /**  * 4.8登录用户接口  * @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 getLoginData(String email ,String password,   Class<UserBaseInfo> clazz,   HttpResponeCallBack callback) {   mCallBack = callback;   //这是每一个接口的唯一标示   String tagUrl = UrlConstance.KEY_LOGIN_INFO;//登录接口   HashMap<String, String> parameter = new HashMap<String, String>();   parameter.put("email", email);   parameter.put("password", password);   //拼接参数信息，邮箱，密码，公钥，并用md5进行加密   StringBuilder builder = new StringBuilder();   builder.append(email);   builder.append(password);   builder.append(UrlConstance.PUBLIC_KEY);   parameter.put(UrlConstance.ACCESSTOKEN_KEY,MD5Util.getMD5Str(builder.toString()));   //请求数据接口   RequestManager.post(UrlConstance.APP_URL,tagUrl, parameter, clazz, callback); }

 /**  * 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_login_handler.ashx(登录接口)  * @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  }  initRequestQueue();  //将公共的接口前缀和接口名称拼接  //eg:拼接成登录的接口 http://www.itlanbao.com/api/app/users/user_login_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//       这个位置先公共解析处理共同异常      try {       if (response != null && callback != null) {        Gson gson = new Gson();        //回调请求成功，同时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; }

@Overridepublic void onResponeStart(String apiName) { // TODO Auto-generated method stub if (UrlConstance.KEY_LOGIN_INFO.equals(apiName)) {  Toast.makeText(LoginActivity.this, "正在加载数据中", Toast.LENGTH_SHORT).show(); }}@Overridepublic void onLoading(String apiName, long count, long current) { // TODO Auto-generated method stub}@Overridepublic void onSuccess(String apiName, Object object) { // TODO Auto-generated method stub if (UrlConstance.KEY_LOGIN_INFO.equals(apiName)) {  //邮箱登录返回数据  if (object != null && object instanceof UserBaseInfo) {   UserBaseInfo info = (UserBaseInfo) object;   if (info.getRet().equals(Constant.KEY_SUCCESS)) {    //登录成功，保存登录信息    ItLanBaoApplication.getInstance().setBaseUser(info);//保存到Application中    //保存到SP中    UserPreference.save(KeyConstance.IS_USER_ID, String.valueOf(info.getUserid()));    UserPreference.save(KeyConstance.IS_USER_ACCOUNT, info.getEmail());    UserPreference.save(KeyConstance.IS_USER_PASSWORD, loginPassword.getText().toString());    Intent intent = new Intent();    intent.setClass(LoginActivity.this, MainActivity.class);    startActivity(intent);    overridePendingTransition(android.R.anim.slide_in_left,      android.R.anim.slide_out_right);    finish();   } else {    Log.e("TAG", "info="+info.toString());    if (info.getErrcode().equals(Constant.KEY_NO_REGIST)) {     Toast.makeText(LoginActivity.this, "登录失败", Toast.LENGTH_SHORT).show();    } else {     Toast.makeText(LoginActivity.this, info.getMsg(), Toast.LENGTH_SHORT).show();     Log.e("TAG", "info.getMsg()="+info.getMsg());    }   }  } }}@Overridepublic void onFailure(String apiName, Throwable t, int errorNo,      String strMsg) { // TODO Auto-generated method stub Toast.makeText(LoginActivity.this, "Failure", Toast.LENGTH_SHORT).show(); }

   String userAccount = UserPreference.read(KeyConstance.IS_USER_ACCOUNT, null);//软件还没有保持账号   String userPassword = UserPreference.read(KeyConstance.IS_USER_PASSWORD, null);   String userid = UserPreference.read(KeyConstance.IS_USER_ID, null);   if (TextUtils.isEmpty(userAccount)) {//没有保存的登录信息跳转到登录界面    //空的，表示没有注册，或者清除数据    Intent intent = new Intent();    intent.setClass(WelcomeActiviy.this, LoginActivity.class);    startActivity(intent);    overridePendingTransition(android.R.anim.slide_in_left, android.R.anim.slide_out_right);    finish();   } else {    //用保存的信息直接登录    RequestApiData.getInstance().getLoginData(userAccount, userPassword,      UserBaseInfo.class, WelcomeActiviy.this);   }WelcomeActivity也同样实现了HttpResponeCallBack接口，所以传入的callback对象也是自身，我们在回调方法中判断是否登录成功@Overridepublic void onResponeStart(String apiName) {}@Overridepublic void onLoading(String apiName, long count, long current) {}@Overridepublic void onSuccess(String apiName, Object object) { //当前接口是否是获取用户的基本信息的接口 if (UrlConstance.KEY_USER_BASE_INFO.equals(apiName)) {  if (object != null && object instanceof UserBaseInfo) {   UserBaseInfo info = (UserBaseInfo) object;   ItLanBaoApplication.getInstance().setBaseUser(info);//把数据放入到Application里面，全局   UserPreference.save(KeyConstance.IS_USER_ID, String.valueOf(info.getUserid()));   Intent intent = new Intent();   intent.setClass(WelcomeActiviy.this, MainActivity.class);   startActivity(intent);   overridePendingTransition(android.R.anim.slide_in_left,     android.R.anim.slide_out_right);   finish();  } else {   Toast.makeText(WelcomeActiviy.this, "加载失败", Toast.LENGTH_SHORT).show();  } } else if (UrlConstance.KEY_LOGIN_INFO.equals(apiName)) {//当前接口是登录的接口  //登录返回数据  if (object != null && object instanceof UserBaseInfo) {   UserBaseInfo info = (UserBaseInfo) object;   if (Constant.KEY_SUCCESS.equals(info.getRet())) {    ItLanBaoApplication.getInstance().setBaseUser(info);//将用户信息保存在Application中    UserPreference.save(KeyConstance.IS_USER_ID, String.valueOf(info.getUserid()));    Intent intent = new Intent();    intent.setClass(WelcomeActiviy.this, MainActivity.class);    startActivity(intent);    overridePendingTransition(android.R.anim.slide_in_left,      android.R.anim.slide_out_right);    finish();   } else {    Toast.makeText(WelcomeActiviy.this, info.getMsg(), Toast.LENGTH_SHORT).show();   }  } }}@Overridepublic void onFailure(String apiName, Throwable t, int errorNo, String strMsg) { Toast.makeText(WelcomeActiviy.this, "Failure", Toast.LENGTH_SHORT).show();}