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• Filter Dynamically Calendar View SharePoint

  - by lerac

  Hello world I'm using SP wss 3.0 wondering if anybody knows how to filter a calendar view in SharePoint dynamically based upon the current user. It's not the simple question of using [ME] because this will not work with single line text fields. Also users do not add the items, they are being imported. So filtering on the basis of Created by, Modified by, Assigned to, or People picking data is not a option. Already managed to get to the current user in a jScript variable, now I would like to filter it in the calendar view. Been searching for a long time now, but can't seem to find anything. Altough filtering with a all items view is possible, yet I can't seem to find a way to dynamically filter a calendar view. Already tried modifing allitems.aspx view page in Designer Fooling around with CAML jScript (as far as I know) Calculated views Google (find more other cool things then a solution) Ofcourse I don't expect a solution on a silver platter (ofcourse would be nice ;) ), but if somebody can point me into a direction I already would be quite happy.

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• iPhone crashing when presenting modal view controller

  - by Michael Waterfall

  Hi there, I'm trying to display a modal view straight after another view has been presented modally (the second is a loading view that appears). - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load LoadViewController *loader = [[LoadViewController alloc] init]; [self presentModalViewController: loader animated:NO]; [loader release]; } But when I do this I get a "Program received signal: "EXC_BAD_ACCESS"." error. The stack trace is: 0 0x30b43234 in -[UIWindowController transitionViewDidComplete:fromView:toView:] 1 0x3095828e in -[UITransitionView notifyDidCompleteTransition:] 2 0x3091af0d in -[UIViewAnimationState sendDelegateAnimationDidStop:finished:] 3 0x3091ad7c in -[UIViewAnimationState animationDidStop:finished:] 4 0x0051e331 in run_animation_callbacks 5 0x0051e109 in CA::timer_callback 6 0x302454a0 in CFRunLoopRunSpecific 7 0x30244628 in CFRunLoopRunInMode 8 0x32044c31 in GSEventRunModal 9 0x32044cf6 in GSEventRun 10 0x309021ee in UIApplicationMain 11 0x00002154 in main at main.m:14 Any ideas? I'm totally stumped! The loading view is empty so there's definitely nothing going on in there that's causing the error. Is it something to do with launching 2 views modally in the same event loop or something? Thanks, Mike Edit: Very strange... I have modified it slightly so that the loading view is shown after a tiny delay, and this works fine! So it appears to be something within the same event loop! - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Show load [self performSelector:@selector(doit) withObject:nil afterDelay:0.1]; } - (void)doit { [self presentModalViewController:loader animated:YES]; }

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• Recursion in an ASP.NET MVC view

  - by Dennis Palmer

  I have a nested data object for a set of items within categories. Each category can contain sub categories and there is no set limit to the depth of sub categories. (A file system would have a similar structure.) It looks something like this: class category { public int id; public string name; public IQueryable<category> categories; public IQueryable<item> items; } class item { public int id; public string name; } I am passing a list of categories to my view as IQueryable<category>. I want to output the categories as a set of nested unordered list (<ul>) blocks. I could nest foreach loops, but then the depth of sub categories would be limited by the number of nested foreach blocks. In WinForms, I have done similar processing using recursion to populate a TreeView, but I haven't seen any examples of using recursion within an ASPX MVC view. Can recursion be done within an ASPX view? Are there other view engines that include recursion for view output?

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• MFMailComposeViewController: how to get notified when view appears?

  - by Karsten Silz

  In my app, users can take a picture with the camera or pick one from the library and email it as an attachment. I use the MFMailComposeViewController for seamless email. On my iPhone 3GS, it takes about 5-7 seconds for the email view to appear with the attachment. Now I want to show a progress indicator view when the user pushes the "Send" button and hide that view when the email view comes up. The problem is that the MFMailComposeViewController delegate only calls when the email sending is done. Can I get notified somehow when the email window appears on the screen?

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• How do I replace a modal view controller?

  - by Theory

  I'm using a modal view controller to allow a user to select an address book entry and email address. The ABPeoplePickerNavigationController object is displayed via presentModalViewController:animated: [self presentModalViewController:picker animated:YES]; What I want to do is keep the modal dialog up, but when the user selects the email address, it should cross-fade to a different controller that displays a message composition window. I've tried various approaches in peoplePickerNavigationController:shouldContinueAfterSelectingPerson:property:identifier: to dismiss the picker and set my custom composition controller as the modal view. I can do it any number of ways, but never does it fade smoothly from the picker to the composition controller -- unless I make the composition controller a modal dialog of the picker, in which case the picker re-appears when I dismiss the composition controller. I don't want that, either. There must be some way to smoothly replace one controller and its view with another controller and its view, all within the context of a modal dialog, and preferably with a cross fade. Suggestions greatly appreciated.

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• How to programmatically add view in ViewFlipper

  - by barmaleikin

  Hi, I have following main layout: <LinearLayout android:id="@+id/LinearLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical"> <ViewFlipper android:id="@+id/viewstack" android:layout_width="fill_parent" android:layout_height="fill_parent"> <!-- Here I want to add my views which are located in separated xml files. --> </ViewFlipper> </LinearLayout> Here is example of my view: view_url.xml view_text.xml <EditText android:text="@+id/EditText01" android:id="@+id/EditText01" android:layout_height="wrap_content" android:contentDescription="Enter your text here" android:layout_width="fill_parent" android:height="200dp"/> I am trying to add views: viewstack = (ViewFlipper) findViewById(R.id.viewstack);)); View viewText = (View) findViewById(R.layout.view_text); viewstack.addView(viewText); < -- Emulator is crashing at this line View viewUrl = (View) findViewById(R.layout.view_url); viewstack.addView(viewUrl); I dont have any idea what is wrong with my code. I decided to put all my views in one file, but I still want to know how to fix my initial code.

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• How to check if returning View is of type PartialViewResult or a ViewUserControl

  - by mare

  In the method FindView() I have to somehow check if the View we are requesting is a ViewUserControl. Because otherwise I get an error saying: "A master name cannot be specified when the view is a ViewUserControl." This is my custom view engine code right now: public class PendingViewEngine : VirtualPathProviderViewEngine { public PendingViewEngine() { // This is where we tell MVC where to look for our files. /* {0} = view name or master page name * {1} = controller name */ MasterLocationFormats = new[] {"~/Views/Shared/{0}.master", "~/Views/{0}.master"}; ViewLocationFormats = new[] { "~/Views/{1}/{0}.aspx", "~/Views/Shared/{0}.aspx", "~/Views/Shared/{0}.ascx", "~/Views/{1}/{0}.ascx" }; PartialViewLocationFormats = new[] {"~/Views/{1}/{0}.ascx", "~/Views/Shared/{0}.ascx"}; } protected override IView CreatePartialView(ControllerContext controllerContext, string partialPath) { return new WebFormView(partialPath, ""); } protected override IView CreateView(ControllerContext controllerContext, string viewPath, string masterPath) { return new WebFormView(viewPath, masterPath); // this line produces the error because we cannot set master page on ASCXs, so I need an "if" here } public override ViewEngineResult FindView(ControllerContext controllerContext, string viewName, string masterName, bool useCache) { if (controllerContext.HttpContext.Request.IsAjaxRequest()) return base.FindView(controllerContext, viewName, "Modal", useCache); return base.FindView(controllerContext, viewName, "Site", useCache); } } The above ViewEngine fails on calls like this: <% Html.RenderAction("Display", "MyController", new { zoneslug = "some-zone-slug" });%> The action I am rendering here is this: public ActionResult Display(string zoneslug) { WidgetZone zone; if (!_repository.IsUniqueSlug(zoneslug)) zone = (WidgetZone) _repository.GetInstance(zoneslug); else { // do something here } // WidgetZone used here is WidgetZone.ascx, so a partial return View("WidgetZone", zone); } I cannot use RenderPartial because you cannot send route values to RenderPartial the way you can to RenderAction. To my knowledge there is no way to provide RouteValueDictionary to RenderPartial() like the way you can to RenderAction().

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• How Can i reload data in tableview in view controller in iphone

  - by Pugal Devan

  Hi, I am new to iphone development. I have created 5 buttons in the view. On clicking the buttons it navigates to the corresponding views. On clicking the "News" button it navigates and displayed the parsing details in the table view.(This table view, I have created View controller and added table view using Interface Builder and i have set all the properties.) and i go to another button and comes back to the "News" button, every time parsing will happened.How to avoid the multiple parsing when i come back to the button. i have tried this one and my code is, - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; static int i; if(i == 0) { NSString * path = @"http://www.AAAAAAAAAAAAAAAA.com"; [self parseXMLFileAtURL:path]; i++; } [self.newsTable reloadData]; } } Now the parsing is happened only time but the datas are doesnt displayed. My problem is the tableview doesnot reload. newsTable is the instance of the Tableview. How can i achieve this. Please help me out. Thanks.

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• Asp.net mvc 2 .net 4.0 error when View model type is Tuple with more than 4 items

  - by Bojan

  When I create strongly typed View in Asp.net mvc 2, .net 4.0 with model type Tuple I get error when Tuple have more than 4 items example 1: type of view is Tuple<string, string, string, string> (4-tuple) and everything works fine view: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/WebUI.Master" Inherits="System.Web.Mvc.ViewPage<Tuple<string, string, string, string>>" %> controller: var tuple = Tuple.Create("a", "b", "c", "d"); return View(tuple); example 2: type of view is Tuple<string, string, string, string, string> (5-tuple) and I have this error: Compiler Error Message: CS1003: Syntax error, '>' expected view: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/WebUI.Master" Inherits="System.Web.Mvc.ViewPage<Tuple<string, string, string, string, string>>" %> controller: var tuple = Tuple.Create("a", "b", "c", "d", "e"); return View(tuple); example 3 if my view model is of type dynamic I can use both 4-tuple and 5-tuple and there is no error on page view: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/WebUI.Master" Inherits="System.Web.Mvc.ViewPage<dynamic>" %> controller: dynamic model = new ExpandoObject(); model.tuple = Tuple.Create("a", "b", "c", "d"); return View(model); or view: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/WebUI.Master" Inherits="System.Web.Mvc.ViewPage<dynamic>" %> controller: dynamic model = new ExpandoObject(); model.tuple = Tuple.Create("a", "b", "c", "d", "e"); return View(model); Even if I have something like Tuple<string, Tuple<string, string, string>, string> 3-tuple and one of the items is also a tuple and sum of items in all tuples is more than 4 I get the same error, Tuple<string, Tuple<string, string>, string> works fine

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• nhow do i display all the active harddrive in an outline view

  - by mark funk

  nhow do i display all the active harddrive in an outline view

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• How to pass EventArgument information from view to view model in WPF?

  - by Ashish Ashu

  I have ListView control in my application which is binded to the collection of CustomObject List<CustomObject. The CustomObject has seperate view. This ListView has seperate view model. The collection List _customobject is containted in the ListView ViewModel class. My Query: I want to invoke a view that show properties of custom object, when user double click on any row of ListView. The ListView double click command is binded to the ListViewDoublClick Command in the view model. The CustomObject is in the event argument of listview double click command. To acheive this I have to pass the custom object ( or an unique id property of custom object through which I can retrieve the custom object from the collection) as command parameter. Please suggest me the solution!!

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• ASP.NET MVC Render View to String

  - by Ben

  I'm currently using NVelocity to render some email templates. I'm curious how I can do this with the standard ASP.NET MVC view engine i.e. render a view as a string. Basically I want to pass get the string result of a model binded view and pass this to iTextSharp to generate a PDF. Thanks. Ben

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• [iPhone] Background color during flip view animation/transition?

  - by Rob S.

  I have some pretty standing flipping action going on: [UIView beginAnimations:@"swapScreens" context:nil]; [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:self.view cache:YES]; [UIView setAnimationDuration:1.0]; [self.view exchangeSubviewAtIndex:0 withSubviewAtIndex:1]; [UIView commitAnimations]; To Apple's credit, this style of animation is amazingly easy to work with. Very cool, and I've been able to animate transitions, flips, fades etc. throughout the app very easily. Question: During the flip transition, the background visible 'behind' the two views during the flip is white and I'd like it to be black. I've: Set the background of the containing view (self.view above) - no dice. I really thought that would work. Set the background of each view to black - no dice. I didn't think this would work although you give different things a shot to understand better :) Google'd like crazy; keep landing on Safari-related listings. Thanks in advance!

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• obtain OpenGL camera(view) matrix from openCV findhomography

  - by user1828449

  I want to build an AR application on Android by opencv and opengl. I found GL_MODELVIEW can place camera and model in world coordinates like the following link I tried to load a simple model-view matrix by gl.glLoadMatrixf(newMat, 0); and it works so I want to draw 3d model on the top of my target image if i got the four corner points of the target image because model-view matrix is needed I want to know if I can obtain the camera view matrix by opencv's findhomography

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• Render view to string followed by redirect results in exception

  - by Chris Charabaruk

  So here's the issue: I'm building e-mails to be sent by my application by rendering full view pages to strings and sending them. This works without any problem so long as I'm not redirecting to another URL on the site afterwards. Whenever I try, I get "System.Web.HttpException: Cannot redirect after HTTP headers have been sent." I believe the problem comes from the fact I'm reusing the context from the controller action where the call for creating the e-mail comes from. More specifically, the HttpResponse from the context. Unfortunately, I can't create a new HttpResponse that makes use of HttpWriter because the constructor of that class is unreachable, and using any other class derived from TextWriter causes response.Flush() to throw an exception, itself. Does anyone have a solution for this? public static string RenderViewToString( ControllerContext controllerContext, string viewPath, string masterPath, ViewDataDictionary viewData, TempDataDictionary tempData) { Stream filter = null; ViewPage viewPage = new ViewPage(); //Right, create our view viewPage.ViewContext = new ViewContext(controllerContext, new WebFormView(viewPath, masterPath), viewData, tempData); //Get the response context, flush it and get the response filter. var response = viewPage.ViewContext.HttpContext.Response; //var response = new HttpResponseWrapper(new HttpResponse // (**TextWriter Goes Here**)); response.Flush(); var oldFilter = response.Filter; try { //Put a new filter into the response filter = new MemoryStream(); response.Filter = filter; //Now render the view into the memorystream and flush the response viewPage.ViewContext.View.Render(viewPage.ViewContext, viewPage.ViewContext.HttpContext.Response.Output); response.Flush(); //Now read the rendered view. filter.Position = 0; var reader = new StreamReader(filter, response.ContentEncoding); return reader.ReadToEnd(); } finally { //Clean up. if (filter != null) filter.Dispose(); //Now replace the response filter response.Filter = oldFilter; } }

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• using Unity Android In a sub view and add style and actionbar

  - by aeroxr1

  I exported a simple animation from Unity3D (version 4.5) in android project. With eclipse I modified the manifest and added another activity. In this activity I put a button that it makes start the animation,and this is the result. The action bar appear in the main activity but it doesn't in the unity's activity :( This is the unity's activity's code : package com.rabidgremlin.tut.redcube; import android.app.NativeActivity; import android.content.res.Configuration; import android.graphics.PixelFormat; import android.os.Bundle; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.WindowManager; import com.unity3d.player.UnityPlayer; public class UnityPlayerNativeActivity extends NativeActivity { protected UnityPlayer mUnityPlayer; // don't change the name of this variable; referenced from native code // Setup activity layout @Override protected void onCreate (Bundle savedInstanceState) { //requestWindowFeature(Window.FEATURE_NO_TITLE); super.onCreate(savedInstanceState); getWindow().takeSurface(null); //setTheme(android.R.style.Theme_NoTitleBar_Fullscreen); getWindow().setFormat(PixelFormat.RGB_565); mUnityPlayer = new UnityPlayer(this); /*if (mUnityPlayer.getSettings ().getBoolean ("hide_status_bar", true)) getWindow ().setFlags (WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); */ setContentView(mUnityPlayer); mUnityPlayer.requestFocus(); } // Quit Unity @Override protected void onDestroy () { mUnityPlayer.quit(); super.onDestroy(); } // Pause Unity @Override protected void onPause() { super.onPause(); mUnityPlayer.pause(); } // eliminiamo questa onResume() e proviamo a modificare la onResume() // Resume Unity @Override protected void onResume() { super.onResume(); mUnityPlayer.resume(); } // inseriamo qualche modifica qui // This ensures the layout will be correct. @Override public void onConfigurationChanged(Configuration newConfig) { super.onConfigurationChanged(newConfig); mUnityPlayer.configurationChanged(newConfig); } // Notify Unity of the focus change. @Override public void onWindowFocusChanged(boolean hasFocus) { super.onWindowFocusChanged(hasFocus); mUnityPlayer.windowFocusChanged(hasFocus); } // For some reason the multiple keyevent type is not supported by the ndk. // Force event injection by overriding dispatchKeyEvent(). @Override public boolean dispatchKeyEvent(KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_MULTIPLE) return mUnityPlayer.injectEvent(event); return super.dispatchKeyEvent(event); } // Pass any events not handled by (unfocused) views straight to UnityPlayer @Override public boolean onKeyUp(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { return mUnityPlayer.injectEvent(event); } @Override public boolean onTouchEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } /*API12*/ public boolean onGenericMotionEvent(MotionEvent event) { return mUnityPlayer.injectEvent(event); } } How can I add the action bar and the style of the first activity to unity's animation activity ?

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• Authorizing sections of a view in MVC

  - by Duk

  I was wondering if it's possible to authorize parts of a view inside the view. For example, I understand how to authorize the entire controller in this method <HandleError()> _ Public Class HomeController Inherits System.Web.Mvc.Controller Function Index() Return View() End Function <Authorize(Roles:="Administrators")> _ Function AdministratorSecrets() Return View() End Function End Class But what Id like to do is have it so if the admin is logged in, they can see additional links in my navigation. Something along the lines of <ul id="menu"> <li><%= Html.ActionLink("Home", "Index", "Home")%></li> <li><%= Html.ActionLink("About", "About", "Home")%></li> <Authorize(Roles:="Administrators")> _ <li><%= Html.ActionLink("Admin", "Admin", "Home")%></li> </ul> Obviously that won't work, but it gives an idea of what I'm trying to accomplish. Any ideas?

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• Change table view ( tableview style grouped ) background color ?

  - by Madhup

  Hi all, I am developing an iPad application in which I need a table view ( style grouped ) having background color as clearColor. My problem is [self.tableView setBackgroundColor:[UIColor clearColor]]; works well if the table view style is plain but when I switch to group table view the background color does not changes it stays gray in color. FYI: the contentview background color of tableviewcell also does not change. Is this a bug in iPhone-sdk or I am doing something wrong. Thanks, Madhup

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• View controller is drawing under my navigation bar after popping ttthumbsviewcontroller

  - by scootklein

  I'm implementing the TTThumbsViewController from the Three20 project and things are finally starting to take shape. I push the TTThumbsViewController from the current view controller by just pushing it onto the current stack and animate the transition (common navigation controller push). My problem is that when I pop the TThumbsViewController view controller, the navigation controller is stuck in a mode where its view controllers are drawn UNDER the navigation bar (which is now translucent). Start Push Pop

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• Multiple undo managers for a text view

  - by Rui Pacheco

  Hi, I've a text view that gets its content from an attributed string stored in a model object. I list several of these model objects in a drawer and when the user clicks on one the text view swaps its content. I now need to also swap the undo manager for the text view. I initialise an undo manager on my model object and use undoManagerForTextView to return it to the text view, but something's not quite right. Strategically placed logging statements show me that everything's working as planned: on startup a new model object is initialised correctly and a non-null undo manager is always pulled by the text view. But when it comes to actually doing undo, I just can't get the behaviour I want. I open a window, type something and press cmd+z, and undo works. I open a window, type something, select a new model on the table, type something, go back to the first model and try to undo and all I get is a beep. Something on the documentation made me raise an eyebrow, as it would mean that I can't have undo with several model objects: The default undo and redo behavior applies to text fields and text in cells as long as the field or cell is the first responder (that is, the focus of keyboard actions). Once the insertion point leaves the field or cell, prior operations cannot be undone.

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• Can't Delete View Reference from Interface Builder

  - by Sonny Fazio

  I'm using Xcode + Interface Builder and for some reason I can't delete or unlink a view outlet from my tabbar view controller. It is grayed out and won't allow me to reassign it. See the screenshot below to see the grayed out View. http://grab.by/grabs/4692de5e21148133da8363085333a8ef.png

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• How can i customize UIPopoverController view on iPad?.

  - by cherukkayi

  Hai all, I am looking for a solution to customize PopoverController view in my iPad app. I need to remove the pointing icon along with the popover view and to make the view to the middle of the App window. It should go back to the button from where it is popped when we click on anywhere other than the popover view. USA TODAY app in iPad included such an option. I am not sure about how did they implemented it. Wishes your replies soon.

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• How should I load a xib into a detail view for a split view iPad objective app?

  - by editor

  I've got a split view iPad app with table view in the master pane. After drilling down several levels, each time loading a new .xib, I'd like one of the cells to trigger a web page load in the detail pane. Right now I can only get the web page .xib to load in the master pane side -- which is a master pain in my side. The basic load call where "URLWindow" is a class loaded with initWithNibName: [[self navigationController] pushViewController:URLWindow animated:YES]; I want to do this, but it doesn't seem to work: @interface @property (nonatomic, retain) IBOutlet DetailViewController *detailViewController; ... @implementation [[self detailViewController] pushViewController:URLWindow animated:YES]; How should I be loading the URLWindow .xib into a detail view for a split view detail pane?

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• Android SDK - Animation prevents further events on View like OnClick()

  - by Ron

  I have an ImageView which is animated via startAnimation() to slide it into the screen. It is visible and enabled in the XML. When I add a Handler for a delay or an onClick event, nothing happens. When I remove the startAnimation() everything works fine. Except the animation of course. Heres my code: balloon.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { view.setVisibility(View.GONE); } }); Animation dropDown = AnimationUtils.loadAnimation(context, R.anim.balloon_slide_down); dropDown.setStartOffset(1500); balloon.startAnimation(dropDown); Any ideas why that is? I'm quite frustrated by now... Thanks, Ron

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• Problem after dismissing a modal view used in conjunction with a uisplitviewcontroller

  - by user336274

  I'm having a hard time understanding why the following is happening (and how to fix it). I've created an application using the split-view based application. I've added a UiBarButtonItem called showTheModal which calls this method found in RootViewController.m: - (IBAction)showTheModal:(id)sender { theModalController.modalPresentationStyle = UIModalPresentationFullScreen; theModalController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentModalViewController:theModalController animated:YES]; if ([detailViewController popoverController] != nil) [[detailViewController popoverController] dismissPopoverAnimated:YES]; The BarButtonItem of course, is shown at the bottom of the Default Root Controller (left side of the of the split view in landscape) or at the bottom of the popup (if in landscape). The modal view is dismissed by a button placed in a toolbar. It calls the following: [self dismissModalViewControllerAnimated: YES]; The problem I'm having is if rotate the screen, while the modal is up. Here is what happens in different scenarios (start refers to the orientation when the showTheModal button is hit, end refers to the orientation when I hit the dismissModal button). 1)Start landscape, end landscape: Everything appears fine. willHideViewController and willShowViewController methods are not called in the RootViewController (as expected) 2) Start landscape, end portrait: UI appears fine. willHideViewController is run TWICE (WHY?) 3) Start portrait, end portrait: UI appears fine. willHideViewController is run once (as expected) 4) Start portrait, end landscape: The 'Root List' button remains in the detail view (right side of the split view. Neither willHideViewController and willShowViewController are invoked (WHY??) Any thoughts as to why #2 and #4 don't behave quite the expected way?

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