Hi Kaur, Can u help me on database. i am not able to retrieve the data . i created user interefaces and class for database. mainActivity(LoginForm) login register uname uname,password,cnfrmpassword,mailid,phonenumber password and 2 buttons one for login and other for register
i created a class for database here i created a table called users_info. when user register all the fields will save in users_info table. when already registered user means he will login while login ,it will check the fields that matches in database r not. can u send code for login appp that will be stored and retrieved from database i am waiting for u reply Thanks and Regards janardhan On Jul 23, 4:37 am, "Balwinder Kaur (T-Mobile)" <balwinder.k...@t- mobile.com> wrote: > The findViewById will return a non-null Widget object, only if you > first called setContentView and inflated the layout that contains it. > That is why nextButton works and backButton is null - giving you your > NullPointerException. > > For a simple application, an easier way to create 2 pages, would be to > create 2 activities and switch between > them.http://developer.android.com/reference/android/app/Activity.html > > Btw, there is related interesting read > athttp://android-developers.blogspot.com/2009/02/faster-screen-orientat... > > Balwinder Kaur > Open Source Development Center > ·T· · ·Mobile· stick together > > The views, opinions and statements in this email are those of the > author solely in their individual capacity, and do not necessarily > represent those of T-Mobile USA, Inc. > > On Jul 22, 2:27 am, elegos <furlan.giac...@gmail.com> wrote: > > > Hello there! > > > I'm a newbie in Android programming, and was exploring the possibility > > to switch between more than - one - layouts (i.e. more pages?). > > > So I've created a new XML layout page (called second.xml) and created > > some things in there. At least I've created a button to switch back to > > the first layout, but a NullPointerException fires up when the > > application starts, and that only for the "back" button, while the > > "next" button just works great. > > > Any suggestion? > > Thanks :) > > > package com.elegos.test; > > > import android.app.Activity; > > import android.os.Bundle; > > import android.view.View; > > import android.view.View.OnClickListener; > > import android.widget.Button; > > import android.widget.TextView; > > > public class ListViewTest extends Activity { > > /** Called when the activity is first created. */ > > @Override > > public void onCreate(Bundle savedInstanceState) { > > super.onCreate(savedInstanceState); > > setContentView(R.layout.main); > > > TextView myText = (TextView)findViewById(R.id.myTextView); > > > Button nextButton = (Button)findViewById(R.id.ButtonNext); > > Button backButton = (Button)findViewById(R.id.ButtonBack); > > > nextButton.setOnClickListener(getCListener(R.layout.second)); > > try {backButton.setOnClickListener(getCListener > > (R.layout.main));} catch(Exception e) {myText.append("\n"+e.toString > > ());} > > } > > > final private OnClickListener getCListener(final int layout) { > > return new Button.OnClickListener() { > > public void onClick(View v) { > > setContentView(layout); > > } > > }; > > } > > > } --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Beginners" group. To post to this group, send email to android-beginners@googlegroups.com To unsubscribe from this group, send email to android-beginners-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-beginners?hl=en -~----------~----~----~----~------~----~------~--~---
