android - Using toast in conditional action with thread -


i have created login app login id , password sql server works correct login id, password , gives toast empty login field

but if enter incorrect fields. not showing desired toast. perhaps using toast in wrong place. code is

public void onclick(view v) {              // todo auto-generated method stub             resultset rs=null;             string id=uid.gettext().tostring();             string upass=pass.gettext().tostring();             final string uid1=null;             final progressdialog pd=new progressdialog(mainactivity.this);             pd.settitle("processing");             pd.setmessage("processing going on..plz patient...");                      pd.show();             if(id.equals("")&&upass.equals("")){                  toast.maketext(getapplicationcontext(), "empty id or password", toast.length_short).show();             }               new thread(){                 public void run(){                     //defining task progress dialog busy.                     try{                         resultset rs=null;                         string id=uid.gettext().tostring();                         string upass=pass.gettext().tostring();                         string uid1=null;                           if(!id.isempty()&&!upass.isempty())                             try{                             initilize();                             statement statement=connect.createstatement();                             rs=statement.executequery("login '"+id+"', '"+upass+"'");                             list<string>data=new arraylist<string>();                             if(rs.next()){                                  uid1=rs.getstring("pa_name");                                 pd.dismiss();                                 intent i=new intent(getapplicationcontext(),secondactivity.class);                                 i.putextra("a", uid1);                                 startactivity(i);                             }                                   }catch(exception e){                                 e.printstacktrace();                             }                          else                             toast.maketext(mainactivity.this, "invalid id or password", toast.length_long).show();pd.dismiss();                          }catch(exception e){                                             }                     pd.dismiss();                 }}.start();

if 1 suggest me place toast incorrect login id. in conditional statement. it's urgent.

you can create ui objects on main thread. includes toasts. easiest way use activity#runonuithread show toast. should check out handler class well.


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