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()
