xml文件

MainActivity

 private Button login =null;.private int isCheck =0; private int isAuto =0;

auto_login.setOnCheckedChangeListener()checkpass.setOnCheckedChangeListener()login.setOnClickListener()private Boolean isLogin()protected void onRestart()public boolean checklogin()

login.xml

HomeActivity

private Button btn_back

btn_back.setOnClickListener

qq_login_xml

activity_home.xml

WelcomeActivity

private Button btn_login

btn_login.setOnClickListener()