tabhost example giving nullpointer exception wrote - evolveStar Search - tabhost example giving nullpointer exception








     

tabhost example giving nullpointer exception

stackoverflow.com - 2012-03-16 13:02:43 - Similar - Report/Block

I wrote a simple tabhost example which is as follows <?xml version="1.0" encoding="utf-8"?> <TabHost xmlns:android="http://schemas.android.co m/apk/res/android" android:id="@+id/tabhost" android:layout_width="fill_parent" android:layout_height="fill_parent" > <LinearLayout android:id="@+id/linearLayou...

Android question: Can the tabhost be put in one of the tab?

stackoverflow.com - 2011-07-15 09:06:26 - Similar - Report/Block

I have some information which I want to show in a cascading style, and would prefer to show it in tab way. So my idea is to have a TabHost embedded into one tab of another parent TabHost. I can have one layer of TabHost working, but when I tried to add another TabHost into one of the tab, it always given an error of: No resource found tha...

Android - how to auto switch tab in tabhost

stackoverflow.com - 2012-06-05 06:17:20 - Similar - Report/Block

I have a tabhost with 3 tab. In tab 3 have a activity: testActivity. In this activity, have a button. I want when I click this button in tab 3, tabhost will switch in tab 1. It's auto switch, I'm not click tab 1. I tried but it not work, Please help me ! public class TabhostActivity extends Activity{ public TabHost tabHost; private Resour...

How wait to finish "new Intent(ContactsContract.Intents.Insert.ACTION)" to refresh listview?

stackoverflow.com - 2012-03-22 15:26:57 - Similar - Report/Block

I have a class (Contacts.java) that extends Activity and have a tabhost with 3 child: TabHost tabHost = (TabHost) findViewById(R.id.tabhost); LocalActivityManager mlam = new LocalActivityManager(this, false); mlam.dispatchCreate(savedInstanceState); tabHost.setup(mlam); TabHost.TabSpec spec; Intent intentA = new In...

Android: Change Tab Text Color Programmatically

stackoverflow.com - 2011-04-07 07:51:25 - Similar - Report/Block

I've a TabHost like this: And I am adding tabs to this TabHost programmatically like this: tabHost = (TabHost)findViewById(android.R.id.tabho st); tabHost.setOnTabChangedListener(this); /* tid1 is firstTabSpec Id. Its used to access outside. */ TabSpec firstTabSpec = tabHost.newTabSpec("tid1"); TabSpec secondTabSpec = tabHost.newTabSpe...

Dinamically add ListView to Tabs in TabHost

stackoverflow.com - 2012-03-14 02:13:33 - Similar - Report/Block

I've been trying to dynamically add Tabs to a TabHost and add a ListView to each of those tabs. The problem is that I get the following error "Could not create tab content because could not find view with id XX" . The thing is that I am giving an ID to each new ListView and adding the view to the TabHost. TabHost mTabHost = getTabHost();...

Nullpointer Exception in parameter passing

stackoverflow.com - 2013-04-24 08:29:35 - Similar - Report/Block

Hi I am workin on form. in which on button click I get value that is number. Then I convert it to int and pass it to anothr function updateData(int k). While calling "udateData(id2)" I get the nullpointer exception. please help. thanks in advance. line number 608 is: updateData(id2); if ( ae.getSource( ) == buttonUpdate) { int id2; Stri...

how to add tabhost in fragments

stackoverflow.com - 2012-03-02 07:55:54 - Similar - Report/Block

i am trying to add tabhost inside a fragment but no matter what i try i am not able to insert it. I might be missing some fundamentals here.Here code of my class TabFragment. Which returns a view. public class TabFragment extends Fragment{ public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState)...

9810 Error on Start-up

blackberryforums.com - 2013-02-25 02:58:30 - Similar - Report/Block

Hi Guys! I was writting an email & the unit suddenly restart itself and hang. I then try to removed the battery then put it back again, but when it started it shows the following warning below; Uncaught exception: java.lang.Error OK Uncaught exception: Applicationregistry.wait For(0xbfca09409ffe99e5) timeout OK Uncaught exception: java.

Tab Host height in android

stackoverflow.com - 2011-05-04 12:24:36 - Similar - Report/Block

for (int i = 0; i < tabHost.getTabWidget().getChildCount(); i++) { Log.v("","tabhost..."); Log.v("","tabHost.getTabWidget().getChil dAt(i).getLayoutParams() " +tabHost.getTabWidget().getChildAt(i)); RelativeLayout relativeLayout = (RelativeLayout)tabHost.getTabWidget().g etChildAt(i); relat...

Android tabhost with onTabChangedListener not firing

stackoverflow.com - 2012-04-10 21:05:59 - Similar - Report/Block

I have a tabhost where I need to use onTabChanged listener, but it does not fire. I have 2 tabs, each one of them uses an activity. Some said it's because they both use activities, and once they are started the tab event won't be called again. Is that so?...

Avoid checking for nil when accessing subelement

stackoverflow.com - 2012-07-04 11:02:02 - Similar - Report/Block

This is maybe a more cosmetic problem, but I find it really annoying as I always end up with some ugly code. And readability is always important, right? I want to check if a value exists in a hash within a hash. So what I do is this. already_exists_data[:data][:user_id] But that can get me a nullpointer exception if :data is nil and check...

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Android, ViewFlipper with GestureDetector in Tabhost

stackoverflow.com - 2011-12-08 01:32:09 - Similar - Report/Block

I wanted to make one tabhost and I wanted to add one viewflipper one activity. This activity works with tabhost. I've written but what does not work. Have anybody an idea how can I do that? I hope they understand what I wanted. I wanted to use in this activitiy of the GestureDetector. I can change the pictures with button but with finger...

TabHost with Multiple ViewFlippers - GestureListener

stackoverflow.com - 2012-02-26 20:55:49 - Similar - Report/Block

I have a TabHost that has two ViewFlippers, and inside each ViewFlipper are three ListViews. I would like to have left<-> right gesture listener for the ViewFlipper to slide between the three ListViews. The Up/Down motion for the ListViews seems to work, but I cannot seem to get the ViewFlipper to work. Sessions.java (TabActivity) publ...

List View in TabHost Not working

stackoverflow.com - 2012-04-03 14:45:27 - Similar - Report/Block

I've an application in which i want to show a list view that is displayed with in the tabhost having multiple tabs the problem is that the code i was using to bind the list view which was working fine when i was not working with tabhost is not working here my code is <TabHost android:id="@+id/tabhost" android:layout_width="600s...

Animation between tabs while using intents as tabs, how can I do that?

stackoverflow.com - 2012-03-26 06:01:39 - Similar - Report/Block

I have a tabHost with 4 different intents in it. I am trying to see animation while traversing between tabs. the code I am using is partially works: @Override public void onTabChanged(String tabId) { // TODO Auto-generated method stub FrameLayout questionsLayout = (FrameLayout)tabHost.findViewById(androi d.R.id.tabcontent); que...

How should one log when an exception is triggered?

stackoverflow.com - 2013-03-19 15:50:03 - Similar - Report/Block

In a program I recently wrote, I wanted to log when my "business logic" code triggered an exception in third-party or project APIs. ( To clarify, I want to log when use of an an API causes an exception. This can be many frames above the actual throw , and may be many frames below the actual catch ( where logging of the exception payload...

creating TCPClient giving me exception

stackoverflow.com - 2013-04-09 13:45:11 - Similar - Report/Block

using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using System.Net; using System.Net.Sockets; namespace ConsoleApplication2 class Program static void Main(string[] args) IPEndPoint ip = new IPEndPoint(Dns.GetHostAddresses("localho st")[0],8080); List TCPs = new List();...

What is the proper way to add an icon to a tab to a TabHost for Android?

stackoverflow.com - 2012-07-07 07:07:41 - Similar - Report/Block

I'm new to Android development. I've added a TabHost to my Android application, and can change the text of the three tabs I have just fine. I can click them to show different views, etc. But where and how do I add an icon to a specific tab? Not change it programmatically, but actually add it on layout design? In the XML or using the desig...

Tabs at the bottom of screen when using android.support.v4.app.FragmentTabHost as a TabHost

stackoverflow.com - 2013-06-10 05:57:25 - Similar - Report/Block

I want to bring tab to the bottom of the screen.The below code is working for tabhost but when I apply it to FragmentTabhost it fails.

The tabhost hides when app it's on full screen

stackoverflow.com - 2011-10-06 17:05:21 - Similar - Report/Block

I have a problem with a TabHost and a full screen app on Android. I download this example: https://github.com/AdilSoomro/Iphone-Tab -in-Android and I add this lines on onCreate: requestWindowFeature(Window.FEATURE_NO_T ITLE); getWindow().setFlags(WindowManager.Layou tParams.FLAG_FULLSCREEN,WindowManager.La youtParams.FLAG_FULLSCREEN); but...

TabWidget wrapped in HorizontalScrollView doesn't scroll with ViewPager

stackoverflow.com - 2012-03-10 22:53:58 - Similar - Report/Block

I'm having to use TabHost in place of ActionBarTabs and to make them scroll-able I've wrapped my TabWidget in a HorizontalScrollView , but the HorizontalScrollView doesn't scroll itself in accordance with ViewPager . I've tried using scrollTo and fullScroll in a couple of different ways, but it doesn't change anything. What do I need...

Robotium test fails with: junit.framework.AssertionFailedError: View can not be clicked!

stackoverflow.com - 2010-10-12 05:09:09 - Similar - Report/Block

I just got started with Robotium and tried a first very simple test, but experience some problem which I can't explain / doesn't seem logic to me. I have a TabHost with an ActivityGroup and a toggle button on each activity that's displayed in the tabhost content section. When I press the toggle button, the tab content area changes to anot...

@Autowired annotation not able to inject bean in JUnit class

stackoverflow.com - 2011-01-20 11:43:58 - Similar - Report/Block

my test class: public class myTest extends TestCase{ @Autowired BeanClass beanObject public void beanTest() Classdata data = beanObject.getMethod(); I am getting a null pointer exception at line: Classdata data = beanObject.getMethod(); beanObject.getMethod(); precisely gives nullpointer exception How should i make possible the autowirin...

Why runtime exception is unchecked exception?

stackoverflow.com - 2012-07-18 20:24:57 - Similar - Report/Block

Generally if any class extends Exception , it becomes checked exception. Runtime exception also extends Exception. Then how is it unchecked exception? Is it like they have a check in JVM for this special case?...

Difficulty in getting the output pdf file

stackoverflow.com - 2013-03-20 09:50:51 - Similar - Report/Block

I wrote a program to write the data from a JTable in to pdf file using iTextPDF API . The below code fragment returns an exception at the highlighted line(in bold) when " throws Exception " is added after public void actionPerformed(ActionEvent ae) Without adding "throws Exception" over there , it runs successfully , when "save to pdf" bu...

How SecureRandom is working injava

stackoverflow.com - 2013-04-20 11:09:36 - Similar - Report/Block

Here i am using SecureRandom random = SecureRandom.getInstance("here my name") ; But it is not giving any exception.Also it is working fine for me.What it mean here. Can i pass any thing here. KeyGenerator keyGen = KeyGenerator.getInstance("here my name"); But here i am getting exception why?Please help me thanks in advance...

Java DOM: Error in Evaluate method; adding element at the specific location

stackoverflow.com - 2012-07-22 01:30:23 - Similar - Report/Block

I'm trying to add an element (javascript) using DOM at the specific location (After the div tag where id="123") of an XHTML file, which I'm doing with getElementById(). So for locating the position of the element I have used two approaches. 1: Without using XPath (Which I have commented in my code) 2: With XPath (After suggestions in the...

Hibernate Criteria query - Class cast exception

stackoverflow.com - 2009-10-06 17:04:04 - Similar - Report/Block

I am using Hibernate(3.2) Criteria for querying and its giving me exception when converting to a list. Please see my code and exception below: List<Summary> summaryList; Criteria criteria = session.createCriteria(Summary.class); session.beginTransaction(); summaryList = Criteria.setProjection( Projections.proje...

why 'throws Exception' necessary in calling a function - java

stackoverflow.com - 2012-07-21 05:52:27 - Similar - Report/Block

class throwseg1 void show() throws Exception throw new Exception("my.own.Exception"); void show2() throws Exception // Why throws is necessary here ? show(); void show3() throws Exception // Why throws is necessary here ? show2(); public static void main(String s[]) throws Exception // Why throws is necessary here ? {throwseg o1 = new t...

Try ... Catch Exception in Cascades C++

stackoverflow.com - 2013-05-10 09:07:15 - Similar - Report/Block

I am developing an application for Blackberry 10 and I want to use the Try Catch block to avoid application crash. I am using the following code: try { //a code that throws Null Pointer Exception catch (Exception e) { But the Exception is not caught and the application always crashes. I tried catch (std:exception& e) and catch(...) and d...

java: can't rethrow exception: Unhandled exception type Exception

stackoverflow.com - 2012-02-29 06:57:24 - Similar - Report/Block

I'd like to catch an exception, log it, set a flag, and the rethrow the same exception I have this code: public Boolean doJobWithResult() { boolean result = true; final Feed feed = Feed.findById(feedId); try { feed.fetchContents(); } catch (Exception ex) { result = false; Logger.info("fetching feed(...

tab contents using actionbarsherlock tab style

stackoverflow.com - 2012-02-26 17:55:40 - Similar - Report/Block

referring to this code below (taken from https://gist.github.com/1126843 ) how do i set the contents of the tabs? public class NativeTabActivity extends Activity { private TabHost mTabHost; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mTabHost = (TabH...

Exception handling problems in php

stackoverflow.com - 2013-04-20 16:13:12 - Similar - Report/Block

I was trying out PHP exceptions for my project. But it turns out that the exception is thrown successfully but not being caught successfully by the code i wrote. The code: try{ require_once(MASTER_PHP."/master_validat ion.php"); require_once(MASTER_PHP."/master_user.ph p"); require_once(MASTER_PHP."/master_db.php" ); require_once(MASTER_...

Writing Exception Handler with NOP instruction?

stackoverflow.com - 2012-03-23 11:32:00 - Similar - Report/Block

Need help in putting exception handler that replace every exception causing instruction with NOP instruction. Framework is given below. I want to setup to make this functional. While under normal conditions it is not permissible to write to the .text section of your code during runtime, when an exception occurs control is transferred away...

Spring.Net Placeholder exception

stackoverflow.com - 2013-03-06 10:28:57 - Similar - Report/Block

I have the weirdest problem with Spring.net, when trying to convert my project from .NET 3.5 to .NET 4. Let me summarise our architecture: Project A (not under my control) has a Sprint.Net config referencing a setting (configurationProvider.url) like this: Project B (my project, under my control) has another config file with the value of...

ORA-12519, TNS:no appropriate service handler found while inserting into Oracle Database with X threads

stackoverflow.com - 2013-02-06 03:22:10 - Similar - Report/Block

I am trying to insert into Oracle database which has two columns- ID Primary Key varchar2 (4000) ACCOUNT varchar2 (4000) I wrote a Multithreaded program for that. And each thread is using unique id every time to insert into ID column as is primary key. The only problem that I am facing at some point is- The below code, throws following...

NullPointer exception WHILE adding an element to array based binary search tree

stackoverflow.com - 2013-04-11 10:17:25 - Similar - Report/Block

While trying to add elements to array based binary search tree, I am getting a null pointer exception. Why is that happening? The code for the add method is given below: the Entry CLASS IS : protected static class Entry implements java.io.Serializable protected E element; protected int left = 0,right = 0,parent; /** * Initializes thi...

Как изменить заголовок вкалдки при изменении контента активити - Программирование Android

cyberforum.ru - 2013-03-22 08:03:39 - Similar - Report/Block

Здравствуйте. Имеется TabHost, содержащий две вкладки. Вкладки добавляются так: Код: public class TabCollection extends TabActivity { .... spec1 = tabHost.newTabSpec("items").setIndicator (_заголовок1_).setContent(intent1); tabHost.addTab(spec1); .... spec2 = tabHost.newTabSpec("categ").setIndicator (_заголовок2_).setContent(intent2); tabHo...

как правильно считать с файла? - Java SE (J2SE)

cyberforum.ru - 2013-06-12 12:42:28 - Similar - Report/Block

Код: char[] inputBuffer =null; isr.read(inputBuffer); тут конечно же выдает NULLPointer exception. Мне заранее неизвестно сколько чаров в файле. Как их подсчитать, что выделить вначале память для чаров.




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