android开发分享Android登录代码MVP架构详解

  public class mainactivity extends appcompatactivity implements view.onclicklistener, mvp.fff {      private edittext musername;    private edittext mpassword;    private button login;    private progressdialog mprogressdialog;    private mvp mmvp;      @override    protected void oncreate(bundle savedinstancestate) {      super.oncreate(savedinstancestate);      setcontentview(r.layout.activity_main);      initview();         mmvp = new mvp(this);      }    private void initview() {      musername = (edittext) findviewbyid(r.id.username);      mpassword = (edittext) findviewbyid(r.id.password);      login = (button) findviewbyid(r.id.login);        login.setonclicklistener(this);        //动态的创建一个进度条      mprogressdialog = new progressdialog(this);    }      @override    public void onclick(view view) {        switch (view.getid()){        case r.id.login:          string user = musername.gettext().tostring();          string pass = mpassword.gettext().tostring();          final user users = new user();          users.username=user;          users.password=pass;              boolean empty = mmvp.isempty(users);          if (empty){              mprogressdialog.show();            mmvp.islogin(users);          }else {              toast.maketext(mainactivity.this, "输入不能为空", toast.length_short).show();            return;          }            break;      }      }      @override    public void success() {        runonuithread(new runnable() {        @override        public void run() {          mprogressdialog.dismiss();          toast.maketext(mainactivity.this, "欢迎回来,思密达", toast.length_short).show();        }      });    }      @override    public void doil() {        runonuithread(new runnable() {        @override        public void run() {          mprogressdialog.dismiss();          toast.maketext(mainactivity.this, "登录失败,账号密码有问题", toast.length_short).show();        }      });    }      @override    protected void ondestroy() {      super.ondestroy();      mmvp=null;    }  }

  public class userlogin {  //mvc controller层      public boolean login(user users){      systemclock.sleep(1000);          if ("frq".equals(users.username)&&"frq".equals(users.password)){        return true;      }else {        return false;      }      }  }

  public class mvp {  //mvp precenter层      public mvp(fff fff) {      mfff = fff;    }      public boolean isempty(user users){      if (textutils.isempty(users.username) || textutils.isempty(users.password)){          return false;      }else {        return true;      }    }      public void islogin(final user users){      new thread(){        @override        public void run() {          userlogin login = new userlogin();          boolean b = login.login(users);              if (b){            mfff.success();          }else {            mfff.doil();          }          }      }.start();    }      public interface fff{      void success();      void doil();    }      private fff mfff;    }  ===========================================  public class precenter {    public precenter(fff fff) {      mfff = fff;    }      public void as(string urlstring){      new asynctask<string, void, arraylist<firstbean.resultbean>>() {        @override        protected arraylist<firstbean.resultbean> doinbackground(string... strings) {            string s = new httpurl().tostring(strings[0]); //调用外部类            firstbean firstbean = new gson().fromjson(s, firstbean.class); //gson解析          if (firstbean!=null){            return (arraylist<firstbean.resultbean>) firstbean.getresult();          }          return null;          }          @override        protected void onpostexecute(arraylist<firstbean.resultbean> resultbeans) {          super.onpostexecute(resultbeans);          if (resultbeans!=null){            mfff.success(resultbeans);          }else {            mfff.bai();          }          }      }.execute(urlstring);    }      public interface fff{        void success(arraylist<firstbean.resultbean> resultbeans);      void bai();    };    private fff mfff;  }