hi in below code when clicking report button not going login activity though it's not happening anything. in login activity first of checking login username , password using session object. if username , password working fine , want move next activity.
can 1 me issue.
mainactivity.java
report1=(textview)findviewbyid(r.id.report1); report=(imageview)findviewbyid(r.id.report); report1.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { intent i=new intent(getapplicationcontext(),login.class); startactivity(i); } }); report.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { intent i=new intent(getapplicationcontext(),login.class); startactivity(i); } }); in below when putting comment session it's moving after entering username , password showing logcat admin user found not going next activity.it staying in same activity itself.
update login
public class login extends activity { imagebutton login; private static final pattern username_pattern = pattern .compile("[a-za-z0-9]{1,250}"); private static final pattern password_pattern = pattern .compile("[a-za-z0-9+_.]{4,16}"); edittext usname,pword,ustype; textview tv,tv1; boolean isinternetpresent = false; string username,password; httppost httppost; stringbuffer buffer; string querystring; string data=""; int i; httpresponse response; httpclient httpclient; checkbox mcbshowpwd; sessionmanager session; private progressdialog progressdialog; connectiondetector cd; @override public void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); this.requestwindowfeature(window.feature_no_title); setcontentview(r.layout.login); // session = new sessionmanager(getapplicationcontext()); // session.checklogin(); // final hashmap<string, string> user = session.getuserdetails(); login = (imagebutton)findviewbyid(r.id.login); usname = (edittext)findviewbyid(r.id.username); pword= (edittext)findviewbyid(r.id.password); ustype= (edittext)findviewbyid(r.id.usertype); tv = (textview)findviewbyid(r.id.tv); tv1 = (textview)findviewbyid(r.id.tv1); mcbshowpwd = (checkbox) findviewbyid(r.id.cbshowpwd); cd = new connectiondetector(getapplicationcontext()); mcbshowpwd.setoncheckedchangelistener(new oncheckedchangelistener() { public void oncheckedchanged(compoundbutton buttonview, boolean ischecked) { if (!ischecked) { pword.settransformationmethod(passwordtransformationmethod.getinstance()); } else { pword.settransformationmethod(hidereturnstransformationmethod.getinstance()); } } }); login.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { new loadviewtask().execute(); isinternetpresent = cd.isconnectingtointernet(); if (!isinternetpresent) { showalertdialog(login.this, "no internet connection", "you don't have internet connection.", true); return; } string username = usname.gettext().tostring(); string password = pword.gettext().tostring(); // string name = user.get(sessionmanager.key_username); if (username.equals("")) { toast.maketext(login.this, "enter username", toast.length_long).show(); } if (password.equals("")) { toast.maketext(login.this, "enter password", toast.length_long).show(); } else if (!checkusername(username) && !checkpassword(password)){ toast.maketext(login.this, "enter valid username & password", toast.length_long).show(); } else{ querystring = "username=" + username + "&password=" + password ; string usertype = databaseutility.executequeryphp("login",querystring); system.out.print(usertype); if(usertype.equalsignorecase("admin user found")){ runonuithread(new runnable() { public void run() { toast.maketext(login.this, "login sucess", toast.length_long).show(); } }); intent in=new intent(login.this, reports.class); startactivity(in); } else if(usertype.equalsignorecase("no user found")){ runonuithread(new runnable() { public void run() { tv1.settext("invalid username , password"); } }); } } } }); } private class loadviewtask extends asynctask<void, integer, void> { //before running code in separate thread @override protected void onpreexecute() { progressdialog = progressdialog.show(login.this,"loading...", "loading application view, please wait...", false, false); progressdialog.show(); } @override protected void doinbackground(void... params) { try { synchronized (this) { int counter = 0; while(counter <= 4) { this.wait(850); counter++; publishprogress(counter*25); } } } catch (interruptedexception e) { e.printstacktrace(); } return null; } @override protected void onprogressupdate(integer... values) { progressdialog.setprogress(values[0]); } @override protected void onpostexecute(void result) { progressdialog.dismiss(); } } private boolean checkpassword(string password) { return password_pattern.matcher(password).matches(); } private boolean checkusername(string username) { return username_pattern.matcher(username).matches(); } @suppresswarnings("deprecation") public void showalertdialog(context context, string title, string message, boolean status) { alertdialog alertdialog = new alertdialog.builder(context).create(); alertdialog.settitle(title); alertdialog.setmessage(message); alertdialog.seticon((status) ? r.drawable.success : r.drawable.fail); alertdialog.setbutton("ok", new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialog, int which) { } }); alertdialog.show(); } }
do not use application's context, use context view presented.
report.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { intent i=new intent(v.getcontext(), login.class); startactivity(i); } }); 
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