Android实现机房座位预约系统

package com.example.myapplication;import android.app.Application;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;public class CustomApplication extends Application { public static final String serverAddress = "http://192.168.1.119";// public static final String serverAddress = "http://10.187.86.63"; public static final String serverPort = "8080/Person_proj/upload";// public static final String serverPort = "8000"; private static final String DEFAULT_NAME = ""; private static final String DEFAULT_ID = "-1"; private String name; private String id; private String room; private String myOrder="NULL"; private boolean isLogin = false; public boolean isLogin() {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  return sp.getBoolean("islogin", false); } /**  * 0为 未登录  * 1为登录  */ public void setLogin(boolean isLogin) {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  Editor edit = sp.edit();  edit.putBoolean("islogin", isLogin);  edit.commit(); } private int version; public int getVersion() {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  return sp.getInt("version",0); } public void setVersion(int version) {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  Editor edit = sp.edit();  edit.putInt("version",version);  edit.commit(); } public String getMyOrder() {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  return sp.getString("order","NULL"); } public void setMyOrder(String myOrder) {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  Editor edit = sp.edit();  edit.putString("order",myOrder);  edit.commit(); } @Override public void onCreate() {  super.onCreate();  setName(DEFAULT_NAME); // 初始化全局变量  setId(DEFAULT_ID); } public void setName(String name) {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  Editor edit = sp.edit();  edit.putString("name", name);  edit.commit(); } public String getName() {  SharedPreferences sp = getSharedPreferences("status", MODE_PRIVATE);  return sp.getString("name", "none"); } public String getId() {  return id; } public void setId(String id) {  this.id = id; } public void setRoom(String room) {  this.room = room; } public String getRoom() {  return room; }}

boolean cancel = false;  View focusView = null;  String id = builder.getUserId().trim();  String password = builder.getPassword().trim();  String passwordConfirm = builder.getPasswordConfirm().trim();  final String username = builder.getUsername().trim();  // Check for a valid password.  if (TextUtils.isEmpty(password)) {   cancel = true;   focusView = builder.getStuPwdEditText();   }  // Check for a valid password.  if (TextUtils.isEmpty(passwordConfirm)) {   cancel = true;   focusView = builder.getStuPwdConfirmEditText();   }  if (!password.equals(passwordConfirm)) {    cancel = true;    focusView = builder.getStuPwdEditText();    }  // Check for a valid Id.  if (TextUtils.isEmpty(id)) {    cancel = true;    focusView = builder.getStuIdEditText();  }  // Check for a valid username.  if (TextUtils.isEmpty(username)) {    cancel = true;    focusView = builder.getStuNameEditText();   }  if(!MatchUtils.match(password)||!MatchUtils.match(passwordConfirm)){   cancel = true;   focusView = builder.getStuPwdEditText();   ToastUtils.MyToast(getApplicationContext(), "密码只能为6位数字！");    }  if (cancel) {   ToastUtils.MyToast(getApplicationContext(), "输入有误，请从新输入！");   focusView.requestFocus();   } else {   //...这里做的网络请求   // TODO signup 提交服务器Get请求   // 符合接口规范   final String url =app.serverAddress+":"+app.serverPort+"?"+"action=signin"+"&"+"username="+username+"&"+"oldpassword="+password;   HttpUtils http = new HttpUtils();   http.send(HttpMethod.GET, url, new RequestCallBack<String>() {    @Override    public void onSuccess(ResponseInfo<String> responseInfo) {     Log.i("tag", "============success============"+responseInfo.result);     ToastUtils.MyToast(getApplicationContext(), responseInfo.result);     if(responseInfo.result.equals("success")){    //注册成功，自动实现登录     app.setLogin(true);     app.setName(username);    //更新UI     Message m = Message.obtain();     m.what=1;     handler.sendMessage(m);     ToastUtils.MyToast(getApplicationContext(), "注册成功，学号："+username);     }else{     ToastUtils.MyToast(getApplicationContext(), responseInfo.result);     }    dialog.dismiss();   }  @Override  public void onFailure(HttpException error, String msg) {  ToastUtils.MyToast(getApplicationContext(), msg);  dialog.dismiss();  } });}