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  • Help with iphone button pressed

    - by StealthRT
    I am trying to see which button was clicked on so I can preform the correct logic. This is the code for the buttons: UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(270, 423, 60, 60)]; [button addTarget:self action:@selector(buttonPressedAction:) forControlEvents:UIControlEventTouchUpInside]; [button setBackgroundImage:[[UIImage imageNamed:@"refreshicon.png"] stretchableImageWithLeftCapWidth:10.0 topCapHeight:0.0] forState:UIControlStateNormal]; UIButton *button2 = [[UIButton alloc] initWithFrame:CGRectMake(0, 423, 60, 60)]; [button2 addTarget:self action:@selector(buttonPressedAction:) forControlEvents:UIControlEventTouchUpInside]; [button2 setBackgroundImage:[[UIImage imageNamed:@"login.png"] stretchableImageWithLeftCapWidth:10.0 topCapHeight:0.0] forState:UIControlStateNormal]; [self.navigationController.view addSubview:button]; [self.navigationController.view addSubview:button2]; And this is how I call the buttonPressedAction: - (void)buttonPressedAction:(id)sender { NSLog(@"%@", [sender value]); isRefreshing = TRUE; [self loadTheXML]; [self.tableView reloadData]; } But when I use NSLog to see what the sender value is, it crashes. Any advice for what's happening and how to correct it?

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  • MVC 2 Data annotations problem

    - by Louzzzzzz
    Hi. Going mad now. I have a MVC solution that i've upgraded from MVC 1 to 2. It all works fine.... except the Validation! Here's some code: In the controller: using System; using System.Collections.Generic; using System.Globalization; using System.Linq; using System.Security.Principal; using System.Web; using System.Web.Mvc; using System.Web.Security; using System.Web.UI; using MF.Services.Authentication; using System.ComponentModel; using System.ComponentModel.DataAnnotations; namespace MF.Controllers { //basic viewmodel public class LogOnViewData { [Required] public string UserName { get; set; } [Required] public string Password { get; set; } } [HandleError] public class AccountController : Controller { [HttpPost] public ActionResult LogOn(LogOnViewData lvd, string returnUrl) { if (ModelState.IsValid) { //do stuff - IsValid is always true } } } } The ModelState is always valid. The model is being populated correctly however. Therefore, if I leave both username and password blank, and post the form the model state is still valid. Argh! Extra info: using structure map for IoD. Previously, before upgrading to MVC 2 was using the MS data annotation library so had this in my global.asax.cs: ModelBinders.Binders.DefaultBinder = new Microsoft.Web.Mvc.DataAnnotations.DataAnnotationsModelBinder(); Have removed that now. I'm sure i'm doing something really basic and wrong. If someone could point it out that would be marvellous. Cheers

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  • Zend: How to populate data to checkboxes?

    - by NAVEED
    I am working on zend. I have a form with some checkboxes. I want to get data from database and populate this data to this form. If '1' is stored in table field then tick the check box otherwise leave it alone. In textboxes and dropdowns, data is easily populated but how to check a checkbox in action. I am creating checkboxes and textboxes elements like this in form.php: // Person name $person = $this->CreateElement('text', 'name'); $person->setLabel('Name'); $elements[] = $person; // Organization name $person = $this->CreateElement('text', 'organization'); $person->setLabel('Organization'); $elements[] = $person; // isAdmin Checkbox $isAdmin = $this->CreateElement('checkbox', 'isAdmin'); $isAdmin->setLabel('Admin'); $elements[] = $isAdmin; $this->addElements($elements); $this->setElementDecorators(array('ViewHelper')); // set form decorator (what script will render the form) $this->setDecorators(array(array('ViewScript' , array('viewScript' => 'organization/accessroles-form.phtml')))); And populating data like this (for example): // Prepare data to populate $data['name'] = 'Naveed'; $data['organization'] = 'ABC'; $data['isAdmin'] = '1'; // Populate editable data $this->view->form->populate( $data ); It is populating data in textboxes but not checking the checkbox? Any idea that how to check a checkbox from action? Thanks

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  • Zend: How to authenticate using OpenId on local server.

    - by NAVEED
    I am using zend framework. Now I want to authenticate users with other already registered accounts using RPX. I am following the 3 steps as described at RPX site: 1- Get the Widget 2- Receive Tokens 3- Choose Providers I created a controller(person) and action(signin) to show widget and my own signin form. When following action (http://test.dev/#person/personsignin) is called then my own login form and widget is shown successfully. # is used in above URL for AJAX indication. public function personsigninAction() { $this->view->jsonEncoded = true; // Person Signin Form $PersonSigninForm = new Form_PersonSignin(); $this->view->PersonSigninForm = $PersonSigninForm; $this->view->PersonSigninForm->setAction( $this->view->url() ); $request = $this->getRequest(); if ( $request->isPost() ) { } } There are two problems while login using openid widget: When I am authenticated from outside(for example: Yahoo) then I am redirected to http://test.dev, therefor indexAction in called in indexController and home page is shown. I want to redirect to http://test.dev/#person/personsignin after authentication and want to set session in isPost() condition of personsigninAction() (described above). For now I consider indexAction to be called when outside authentication is done. Now I posted the code from http://gist.github.com/291396 in indexAction to follow step 3 mentioned above. But it is giving me following error: An error occured: Invalid parameter: apiKey Am I using the right way to use this. This is my very first attempt to this stuff. Can someone tell me the exact steps using my above actions? Thanks.

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  • Best way to "un-promote" files in Accurev?

    - by Luke Rinard
    My company uses Accurev for source control, and for all its benefits, there's one simple action that I just can't figure out how to accomplish. Often we have someone accidentally push a file up too far in our stream structure -- from the "Development" stream to the "Release" stream, for example. What is the best way to "un-promote" this file? That is to say, to get the old version of the file back into the "Release" stream, and keep the new version of the file in the "Development" stream, where it belongs? Just doing a "Revert to Backed" or other Revert action on the file in the Release stream will either cause an old version of the file to propagate down into Development, or will make the file disappear entirely. In the above case, the developer will have to jump through hoops with setting basis times on streams, or use the command line tool to do a checkout of an old transaction, to get the file back. Sometimes the people in question are non-technical, so this is not a good solution. I have also considered moving the files to a "higher ground" stream, reverting, and then cross-promoting them to the lower stream again. This seems really kludgy. It seems like Accurev is obscure enough that Google is no help, so I turn to the good folks of StackOverflow for help -- has anybody figured out the "Accurevy" way to accomplish this?

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  • MVC View Model Intellisense / Compile error

    - by Marty Trenouth
    I have one Library with my ORM and am working with a MVC Application. I have a problem where the pages won't compile because the Views can't see the Model's properties (which are inherited from lower level base classes). They system throws a compile error saying that 'object' does not contain a definition for 'ID' and no extension method 'ID' accepting a first argument of type 'object' could be found (are you missing a using directive or an assembly reference?) implying that the View is not seeing the model. In the Controller I have full access to the Model and have check the Inherits from portion of the view to validate the correct type is being passed. Controller: return View(new TeraViral_Blog()); View: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<com.models.TeraViral_Blog>" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> Index2 </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>Index2</h2> <fieldset> <legend>Fields</legend> <p> ID: <%= Html.Encode(Model.ID) %> </p> </fieldset> </asp:Content>

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  • CodeIgniter's Scaffolding and Helper Functions Not Working

    - by 01010011
    Hi, I'm following CodeIgniter's tutorial "Create a blog in 20 minutes" and I am having trouble getting the helper, anchor and Scaffolding functions to work. I can't seem to create links on my HTML page using the helper and anchor functions. I put $this->load->helper('url'); $this->load->helper('form'); in the constructor under parent::Controller(); and <p>&lt;?php anchor('blog/comments','Comments'); ?&gt;</p> within the foreach loop as specified in the tutorial. But Im not getting the links to appear. Secondly, I keep getting a 404 Page Not Found error whenever I try to access CodeIgniter's Scaffolding page in my browser, like so: localhost/codeignitor/index.php/blog/scaffolding/mysecretword I can access localhost/codeignitor/index.php/blog just fine. I followed CodeIgnitor's instructions in their "Create a blog in 20 minutes" by storing my database settings in the database.php file; and automatically connecting to the database by inserting "database" in the core array of the autoload.php; and I've added both parent::Controller(); and $this->load->scaffolding('myTableName') to blog's constructor. It still gives me this 404. Any assistance will be appreciated. Thanks in advance?

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  • Passing PaginatedList to ActionResult MVC C#

    - by Darcy
    Hi all, I wanted to create a simple paginated search for my project. I'm having trouble with my 'advanced search' page, where I have several textbox inputs that the user would fill with the appropriate data (basically just several filters). My view is strongly-typed with the paginatedList class similar to the NerdDinner tutorial. In my controller, I wanted to pass the PaginatedList as a parameter since my view contains several bits of info from the PaginatedList model. The PaginatedList was null (as parameter), then I changed added the route; the object itself is not null anymore, but the values are. View: <%= Html.TextBox("Manufacturers", Model.Manufacturers) %> <%= Html.TextBox("OtherFilters", Model.FilterX) %> //...etc etc Controller: public ActionResult AdvancedSearchResults(PaginatedList<MyModel> paginatedList) { //... } Any ideas? Am I even going about this correctly? Should I create a ViewModel that encapsulates the paginatedList info as well as the additional info I need instead?

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  • richfaces progressBar polling

    - by John
    Hi, I've got a progressBar component defined as the following on my webpage: <rich:modalPanel id="pb1Panel"> <rich:progressBar id="pb1" oncomplete="javascript:#{myBean.handleProgressEvent()} closeProgressModalPanel()" value="#{pb1Listener.percentageComplete}" label="#{pb1Listener.percentageComplete} %" minValue="1" maxValue="100" limitToList="true" timeout="3200" interval="1400" enabled="false"/> </rich:modalPanel> and a button: <a4j:commandButton id="actButton" value="action" action="#{myBean.performAction}" immediate="true" ajaxSingle="true" onclick="javascript:Richfaces.showModalPanel('pb1Panel');" reRender="pb1Panel"> <a4j:support event="onClick" value="#{rich:component('pb1')}.enable()" reRender="pb1" /> </a4j:commandButton> which doesn't work. However if I take out the .... enabled="false"/> .... from the progress bar, and the element from the button, everything seems to work just fine. Any suggestion why it's not working? I'm setting enabled="false" initially because I do not want the polling to start unless the button was clicked (to reduce unnecessary polling). The system is building on richfaces/seam. Thanks!

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  • Using embedded standard HTML forms with ASP.NET

    - by RM
    I have a standard aspx page with which I need to add another standard HTML form into and have it submit to another location (external site), however whenever I press the submit button the page seems to do a post back rather than using the sub-forms action url. A mock up of what the form relationships is below. Note in the real deployment the form will be part of a content area of a master page layout, so the form needs to submit independantly from the master page form. <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>Untitled Page</title> </head> <body> <form id="form1" runat="server"> <div> <form id="subscribe_form" method="post" action="https://someothersite.com" name="em_subscribe_form" > <input type="text" id="field1" name="field1" /> <input id="submitsubform" type="submit" value="Submit" /> </form> </div> </form> </body> </html>

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  • Passing viewmodel to actionresult creates new viewmodel

    - by Jonas Bohez
    I am using a viewmodel, which i then when to send to an actionresult to use (the modified viewmodel) But in the controller, i lose the list and objects in my viewmodel. This is my view: @using PigeonFancier.Models @model PigeonFancier.Models.InschrijvingModel @using (Html.BeginForm("UpdateInschrijvingen","Melker",Model)) { <div> <fieldset> <table> @foreach (var item in Model.inschrijvingLijst) { <tr> <td>@Html.DisplayFor(model => item.Duif.Naam)</td> <td> @Html.CheckBoxFor(model => item.isGeselecteerd)</td> </tr> } </table> <input type="submit" value="Wijzigen"/> </fieldset> </div> } This is my controller, which does nothing at the moment until i can get the full viewmodel back from the view. public ActionResult UpdateInschrijvingen(InschrijvingModel inschrijvingsModel) { // inschrijvingsModel is not null, but it creates a new model before it comes here with //Use the model for some updates return RedirectToAction("Inschrijven", new { vluchtId = inschrijvingsModel.vlucht.VluchtId }); } This is the model with the List and some other objects who become null because it creates a new model when it comes back from the view to the actionresult public class InschrijvingModel { public Vlucht vlucht; public Duivenmelker duivenmelker; public List<CheckBoxModel> inschrijvingLijst { get; set; } public InschrijvingModel() { // Without this i get, No parameterless constructor defined exception. // So it uses this when it comes back from the view to make a new model } public InschrijvingModel(Duivenmelker m, Vlucht vl) { inschrijvingLijst = new List<CheckBoxModel>(); vlucht = vl; duivenmelker = m; foreach (var i in m.Duiven) { inschrijvingLijst.Add(new CheckBoxModel(){Duif = i, isGeselecteerd = i.IsIngeschrevenOpVlucht(vl)}); } } What is going wrong and how should i fix this problem please? Thanks

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  • Optional route parameters in ASP.NET 4 RTM no longer work as before

    - by Simon_Weaver
    I upgraded my project to ASP.NET 4 RTM with ASP.NET MVC 2.0 RTM today. I was previously using ASP.NET 3.5 with ASP.NET MVC 2.0 RTM. Some of my routes don't work suddenly and I don't know why. I'm not sure if something changed between 3.5 and 4.0 - or if this was a regression type issue in the 4.0 RTM. (I never previously tested my app with 4.0). I like to use Url.RouteUrl("route-name", routeParams) to avoid ambiguity when generating URLs. Here's my route definition for a gallery page. I want imageID to be optional (you get a thumbnail page if you don't specify it). // gallery id routes.MapRoute( "gallery-route", "gallery/{galleryID}/{imageID}/{title}", new { controller = "Gallery", action = "Index", galleryID = (string) null, imageID = (string) null, title = (string) null} ); In .NET 3.5 / ASP.NET 2.0 RTM / IIS7 Url.RouteUrl("gallery-route", "cats") => /gallery/cats Url.RouteUrl("gallery-route", "cats", 4) => /gallery/cats/4 Url.RouteUrl("gallery-route", "cats", 4, "tiddles") => /gallery/cats/4/tiddles In .NET 4.0 RTM / ASP.NET 2.0 RTM / IIS7 Url.RouteUrl("gallery-route", "cats") => null Url.RouteUrl("gallery-route", "cats", 4) => /gallery/cats/4 Url.RouteUrl("gallery-route", "cats", 4, "tiddles") => /gallery/cats/4/tiddles Previously I could supply only the galleryID and everything else would be ignored in the generated URL. But now it's looking like I need to specify all the parameters up until title - or it gives up in determining the URL. Incoming URLs work fine for /gallery/cats and that is correctly mapped through this rule with imageID and title both being assigned null in my controller. I also tested the INCOMING routes with http://haacked.com/archive/2008/03/13/url-routing-debugger.aspx and they all work fine.

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  • Get Eclipse to recognize the maps api

    - by NickTFried
    Hi I'm developing an Android app and trying to incorporate maps into one of my sub-activities. Having followed all of the instructions from Android, my java file will not recognize the "MapActivity" or the import statements to include the needed api. Here is my XML manifest and my class file. <?xml version="1.0" encoding="utf-8"?> <uses-permission android:name="android.permissions.INTERNET"/> <uses-permission android:name="android.permissions.ACCESS_FINE_LOCATION"/> <application android:icon="@drawable/icon" android:label="@string/app_name"> <uses-library android:name="com.google.android.maps" /> <activity android:name=".CadetCommand" android:label="@string/app_name"> <intent-filter> <action android:name="android.intent.action.MAIN" /> <category android:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity> <activity android:name="RedLight"></activity> <activity android:name="PTCalculator"></activity> </application> <uses-sdk android:minSdkVersion="7"/> here is my java file: package edu.elon.cs.mobile; import com.google.android.maps.MapActivity; import com.google.android.maps.MapView; import android.os.Bundle; public class LandNav extends MapActivity{ } Any suggestion would help.

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  • Strange activity stack behavior when using MapActivity

    - by AndroidDev
    I have the following activity structure in my application A simple "splash screen" activity is started when the application is fired up (let's call it "Splash"). This activity starts the main activity when the user presses a button (I will call it "Main"). Main can in turn start two activities from the menu. The first activity presents a simple form (let's call this one "Form"), the second is a MapActivity that presents a map (it is called "Map"). Main, Form, and Map are declared exactly the same in the manifest: <activity android:name="fully qualified activity class" android:screenOrientation="landscape" android:configChanges="keyboard|keyboardHidden|orientation" > <intent-filter> <action android:name="android.intent.action.DEFAULT" /> <category android:name="android.intent.category.DEFAULT" /> </intent-filter> </activity> When Main is active and I start Form and press "back", Main comes up again. Pressing "back" again brings up "Splash". Nothing strange here. Now comes the strange part: when I am in Main, start Map, and press "back", Main comes up as expected. But pressing "back" again just restarts Main. A second press on "back" is needed to bring me back to Splash! So it seems that starting the Map activity somehow results in Main ending up on the activity stack twice while starting the Form activity does not! Both Form and Map are started like this: startActivity(new Intent(this, MyActivity.class)); I don not catch the back key in any activity. Any clues on what is going on or how to debug this?

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  • Debugging NSoperation BAD ACCESS within graphics context

    - by Joe
    I tried everything to debug this one but I can't get to the bottom of it. This code lives in a subclass of NSOperation which is processed from a queue: (borders is an ivar NSArray containing 5 UIimage objects) NSMutableArray *images = [[NSMutableArray alloc] init]; for (unsigned i = 0; i < 5; i++) { CGSize size = CGSizeMake(60, 60); UIGraphicsBeginImageContext(size); CGPoint thumbPoint = CGPointMake(6, 6); [controller.image drawAtPoint:thumbPoint]; CGPoint borderPoint = CGPointMake(0, 0); [[borders objectAtIndex:i] drawAtPoint:borderPoint]; [images addObject:UIGraphicsGetImageFromCurrentImageContext()]; UIGraphicsEndImageContext(); } [images release]; The code works fine most of the time but when I push the iphone by access subviews and pressing lots of buttons on the UI I either get this exception which is trapped by the operation: Exception Load view: *** -[NSCFArray insertObject:atIndex:]: attempt to insert nil or I get this: Program received signal: “EXC_BAD_ACCESS”. The exception is caused because UIGraphicsGetImageFromCurrentImageContext() return nil. I don't know how to debug the EXC_BAD_ACCESS but I'm guessing that this error (in fact both of these errors) is caused by low memory. The debugger stops at the line: [controller.image drawAtPoint:thumbPoint]; As I mentioned I've trapped the exception so I can live with that but the EXC_BAD_ACCESS is more serious. IF this is memory related how can I tell and is it possible to increase the memory available to NSOperation?

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  • How to display a subview loaded from a separate NIB file

    - by Marcus Netter
    I'm developing a Cocoa desktop application that uses a source list in the style of iTunes: different elements in the source list cause the main content area to display different views. The content area is entirely filled with a (vertical) NSSplitView; on the left is an NSOutlineView source list. When the user selects an item on the left, the relevant view appears on the right side of the splitter. I can make it work well enough by putting everything in one NIB file and putting a borderless NSTabView to the right of the splitter; to switch views, I just have to change the selected tab. But putting all the views in one NIB is bad practice, so I'm trying to move each of the subviews into their own NIB files. I have a pretty good idea of most of this process — I've created an NSViewController subclass for each of these views (EntityDetailViewController, GroupDetailViewController, and so on), set the File's Owner of each new NIB to the relevant controller class, set the view connection in each NIB, and reworked the bindings. What I don't know is how to actually change which subview is being shown on screen. I've tried using the default generic NSView on the right side and sending it addSubview: messages; I've tried connecting to it as the first subview and calling NSView *newSubview = /* get subview from the new subview controller */ [[subview superview] replaceSubview:subview with:newSubview]; [self setSubview:newSubview]; But everything just leaves the space blank. How do I display a subview loaded from a separate NIB?

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  • Entity Framework with ASP.NET MVC. Updating entity problem

    - by Kitaly
    Hi people. I'm trying to update an entity and its related entities as well. For instance, I have a class Car with a property Category and I want to change its Category. So, I have the following methods in the Controller: public ActionResult Edit(int id) { var categories = context.Categories.ToList(); ViewData["categories"] = new SelectList(categories, "Id", "Name"); var car = context.Cars.Where(c => c.Id == id).First(); return PartialView("Form", car); } [AcceptVerbs(HttpVerbs.Post)] public ActionResult Edit(Car car) { var category = context.Categories.Where(c => c.Id == car.Category.Id).First(); car.Category = category; context.UpdateCar(car); context.SaveChanges(); return RedirectToAction("Index"); } The UpdateCar method, in ObjectContext class, follows: public void UpdateCar(Car car) { var attachedCar = Cars.Where(c => c.Id == car.Id).First(); ApplyItemUpdates(attachedCar, car); } private void ApplyItemUpdates(EntityObject originalItem, EntityObject updatedItem) { try { ApplyPropertyChanges(originalItem.EntityKey.EntitySetName, updatedItem); ApplyReferencePropertyChanges(updatedItem, originalItem); } catch (InvalidOperationException ex) { Console.WriteLine(ex.ToString()); } } public void ApplyReferencePropertyChanges(IEntityWithRelationships newEntity, IEntityWithRelationships oldEntity) { foreach (var relatedEnd in oldEntity.RelationshipManager.GetAllRelatedEnds()) { var oldRef = relatedEnd as EntityReference; if (oldRef != null) { var newRef = newEntity.RelationshipManager.GetRelatedEnd(oldRef.RelationshipName, oldRef.TargetRoleName) as EntityReference; oldRef.EntityKey = newRef.EntityKey; } } } The problem is that when I set the Category property after the POST in my controller, the entity state changes to Added instead of remaining as Detached. How can I update one-to-one relationship with Entity Framework and ASP.NET MVC without setting all the properties, one by one like this post?

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  • Why does my data not pass into my view correctly?

    - by dmanexe
    I have a model, view and controller not interacting correctly, and I do not know where the error lies. First, the controller. According to the Code Igniter documentation, I'm passing variables correctly here. function view() { $html_head = array( 'title' => 'Estimate Management' ); $estimates = $this->Estimatemodel->get_estimates(); $this->load->view('html_head', $html_head); $this->load->view('estimates/view', $estimates); $this->load->view('html_foot'); } The model (short and sweet): function get_estimates() { $query = $this->db->get('estimates')->result(); return $query; } And finally the view, just to print the data for initial development purposes: <? print_r($estimates); ?> Now it's undefined when I navigate to this page. However, I know that $query is defined, because it works when I run the model code directly in the view.

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  • Locking semaphores in C problem sys/sem

    - by Vojtech R.
    Hi, I have problem with my functions. Sometimes two processes enter into critical section. I can't find problem in this after I spent 10 hours by debugging. On what I should aim? // lock semaphore static int P(int sem_id) { struct sembuf sem_b; sem_b.sem_num = 0; sem_b.sem_op = -1; /* P() */ sem_b.sem_flg = 0; if (semop(sem_id, &sem_b, 1) == -1) { print_error("semop in P", errno); return(0); } return(1); } // unlock semaphore static int V(int sem_id) { struct sembuf sem_b[1]; sem_b.sem_num = 0; sem_b.sem_op = 1; /* V() */ sem_b.sem_flg = 0; if (semop(sem_id, &sem_b, 1) == -1) { print_error("semop in V", errno); return(0); } return(1); } The action loop: int mutex; if ((mutex=semget(key, 1, 0666))>=0) { // semaphore exists } while(1) { P(mutex); assert(get_val(mutex)==0); (*action)++; V(mutex); } Many thanks

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  • log4j vs. System.out.println - logger advantages?

    - by wishi_
    Hi! I'm newly using log4j in a project. A fellow programmer told me that using System.out.println is considered bas style and that log4j is something like standard for logging matters nowadays. We do lots of JUnit testing - System.out stuff turns out to be harder to test. Therefore I began utilizing log4j for a Console controller class, that's just handling commandline parameters. // some logger config org.apache.log4j.BasicConfigurator.configure(); Logger logger = LoggerFactory.getLogger(Console.class); Category cat = Category.getRoot(); Seems to work: logger.debug("String"); Produces: 1 [main] DEBUG project.prototype.controller.Console - String I got two questions regarding this: From my basic understanding using this logger should provide me comfortable options to write a logfile with timestamps - instead of spamming the console - if debug mode is enabled at the logger? Why is System.out.println harder to test? I searched stackoverflow and found a testing recipe. So I wonder what kind of advantage I really get by using log4j.

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  • My PreferenceActivity does not show up, even though it is in my manifest file

    - by Charlie
    So I am modifying the Cube live wallpaper example. I have a class that extends PreferenceActivity, and I added the Activity in my manifest file. I keep getting ActivityNotFoundExceptions. Here is my preference class : public class MySettingsActivity extends PreferenceActivity implements SharedPreferences.OnSharedPreferenceChangeListener { @Override protected void onCreate(Bundle bundle) { super.onCreate(bundle); getPreferenceManager().setSharedPreferencesName( ParticleCandy.SHARED_PREFS_NAME); addPreferencesFromResource(R.xml.settings); getPreferenceManager().getSharedPreferences().registerOnSharedPreferenceChangeListener( this); } @Override protected void onResume() { super.onResume(); } @Override protected void onDestroy() { getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener( this); super.onDestroy(); } public void onSharedPreferenceChanged(SharedPreferences sharedPreferences, String key) { } } And here is my manifest file <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.pixel.theory.wallpapers.mywallpaper" android:versionCode="1" android:versionName="1.0"> <application android:icon="@drawable/icon" android:label="@string/app_name"> <service android:label="@string/app_name" android:name="MyWallpaper" android:permission="android.permission.BIND_WALLPAPER" > <intent-filter> <action android:name="android.service.wallpaper.WallpaperService"> </action> </application> <uses-sdk android:minSdkVersion="7" /> <uses-feature android:name="android.software.live_wallpaper" /> </manifest> Any ideas why my preferences activity doesn't get read in from the manifest?

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  • Graceful termination of NSApplication with Core Data and Grand Central Dispatch (GCD)

    - by Vincent Mac
    I have an Cocoa Application (Mac OS X SDK 10.7) that is performing some processes via Grand Central Dispatch (GCD). These processes are manipulating some Core Data NSManagedObjects (non-document-based) in a manner that I believe is thread safe (creating a new managedObjectContext for use in this thread). The problem I have is when the user tries to quit the application while the dispatch queue is still running. The NSApplication delegate is being called before actually quitting. - (NSApplicationTerminateReply)applicationShouldTerminate:(NSApplication *)sender I get an error "Could not merge changes." Which is somewhat expected since there are still operations being performed through the different managedObjectContext. I am then presented with the NSAlert from the template that is generated with a core data application. In the Threading Programming Guide there is a section called "Be Aware of Thread Behaviors at Quit Time" which alludes to using replyToApplicationShouldTerminate: method. I'm having a little trouble implementing this. What I would like is for my application to complete processing the queued items and then terminate without presenting an error message to the user. It would also be helpful to update the view or use a sheet to let the user know that the app is performing some action and will terminate when the action is complete. Where and how would I implement this behavior?

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  • In Seam what's the difference between injected EntityManager and getEntityManager from EntityHome

    - by Navi
    I am testing a Seam application using the needle test API. In my code I am using the getEntityManager() method from EntityHome. When I run the unit tests against an in memory database I get the following exception: java.lang.IllegalStateException: No application context active at org.jboss.seam.Component.forName(Component.java:1945) at org.jboss.seam.Component.getInstance(Component.java:2005) at org.jboss.seam.Component.getInstance(Component.java:1983) at org.jboss.seam.Component.getInstance(Component.java:1977) at org.jboss.seam.Component.getInstance(Component.java:1972) at org.jboss.seam.framework.Controller.getComponentInstance(Controller.java:272) at org.jboss.seam.framework.PersistenceController.getPersistenceContext(PersistenceController.java:20) at org.jboss.seam.framework.EntityHome.getEntityManager(EntityHome.java:177) etc .. I can resolve some of these errors by injecting the EntityManager with @In EntityManager entityManager; Unfortunately the persist method of EntityHome also calls the getEntityManager. This means a lot of mocks or rewriting the code somehow. Is there any workaround and why is this exception thrown anyway? I am using Seam 2.2.0 GA by the way. There is nothing special about the components. They are generated by seam-gen. The test is performed with in memory database - I followed the examples in http://jbosscc-needle.sourceforge.net/jbosscc-needle/1.0/db-util.html.

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  • Threadsafe binding with DispatcherObject.CheckAccess()

    - by maffe
    Hi, according to this, I can achieve threadsafety with large overhead. I wrote the following class and use it. It works fine. public abstract class BindingBase : DispatcherObject, INotifyPropertyChanged, INotifyPropertyChanging { private string _displayName; private const string NameDisplayName = "DisplayName"; /// /// The display name for the gui element which bound this instance. It can be used for localization. /// public string DisplayName { get { return _displayName; } set { NotifyPropertyChanging(NameDisplayName); _displayName = value; NotifyPropertyChanged(NameDisplayName); } } protected BindingBase() {} protected BindingBase(string displayName) { DisplayName = displayName; } public event PropertyChangedEventHandler PropertyChanged; public event PropertyChangingEventHandler PropertyChanging; protected void NotifyPropertyChanged(string name) { if (PropertyChanged == null) return; if (CheckAccess()) PropertyChanged.Invoke(this, new PropertyChangedEventArgs(name)); else Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action) (() = NotifyPropertyChanged(name))); } protected void NotifyPropertyChanging(string name) { if (PropertyChanging == null) return; if (CheckAccess()) PropertyChanging.Invoke(this, new PropertyChangingEventArgs(name)); else Dispatcher.BeginInvoke(DispatcherPriority.Normal, (Action) (() = NotifyPropertyChanging(name))); } } So is there a reason, why I've never found something like that? Are there any issues I should be aware off? Regards

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  • Why I cannot add a JPanel to JFrame?

    - by Roman
    Here is the code: import javax.swing.SwingUtilities; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JLabel; import java.awt.event.*; import java.awt.*; public class GameWindow { private String[] players; private JFrame frame; // Constructor. public GameWindow(String[] players) { this.players = players; } // Start the window in the EDT. public void start() { SwingUtilities.invokeLater(new Runnable() { public void run() { showWindow(); controller.start(); } }); } // Defines the general properties of and starts the window. public void showWindow() { frame = new JFrame("Game"); frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); frame.setSize(600,400); frame.setVisible(true); } // The thread controlling changes of panels in the main window. private Thread controller = new Thread() { public void run() { frame.add(generatePartnerSelectionPanel()); frame.invalidate(); frame.validate(); } }; // Generate the panel for the selection of a partner. private JPanel generatePartnerSelectionPanel() { JPanel panel = new JPanel(); panel.add(new JLabel("Pleas select a partner:")); return panel; } } I should see "Pleas select the partner" and I don't. Why? I suppose that it's because I do not see frame from the run method of the Thread.

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