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  • remine focus on the main activity (while switching activities)

    - by rayman
    Hi, Ive got two activities in the same application. the first one is with gui(main activity) the second one is a listener which works infinite without gui. Wierd problem occurs: i am running the second activity with a diffrent thread so i could keep on manipulate the gui.. but for some reason, the gui losing it's focus for some reason, only when i press 'home' and come back to it, then i can continune maniuplate the gui. it feels like after i launch the second activity, the gui activity(the main) is losing the focus. how come? in my mainactivity i have: setContentView(R.layout.main); and its setted as the launcher in the manifest. thanks, ray.

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  • iPhone Notifications is possible to...

    - by user331769
    Hi to all, I read more post regarding iPhone notification, and I have a simple question.... Where a device receive a notification (so I can display a message contains the message notificatio ti advise the user). I understand that message is managed by the application. The question is: ...when my application receive the notification is it possible to start it? Or in other world the application became run when receive the notification or it simple became active only to manage the message and at the end of notification management the app return to sleep? The main application windows is opened on the device ? Many thanks in advance Lukenukem Ciao

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  • Add different themes to the android application

    - by mudit
    hi all. i want to add themes to my android application. In the application, user will have options to changes theme of the application. Just like OIShopping List appplication. Please help how do i implement this kind of structure to my application. Any help, tutorials, guidance are highly appreciated. thanks..

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  • How to add new field(s) to the contact?

    - by user328302
    I want to add a Custom field to the ContactsContract content provider. I'm trying to build a Voip application and would like to add a SIP address(name@domain) field to it. What MIME type will I need to associate with it? Also I want to add a group address field which will have a list of group addresses in it (name@domain, name@domain,...). Wich MIME type will I have to associate with this type of field. I also want to add custom fields to the Call History like a session ID and SIP address(name@domain) field. How can I customize the call history? It'll be great if someone can give me an example.

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  • Saving core data in a thread, how to ensure its done writing before quitting?

    - by Shizam
    So I'm saving small images to core data which take a really short amount of time to save, like .2 seconds but I'm doing it while the user is flipping through a scroll view so in order to improve responsiveness I'm moving the saving to a thread. This works great, everything gets saved and the app is responsive. However, there is one thing in the core-data + multithreading doco that worries me: "In Cocoa, only the main thread is not-detached. If you need to save on other threads, you must write additional code such that the main thread prevents the application from quitting until all the save operation is complete." Ok, how do you do that? It only needs to last ~ .2 seconds and its rarely going to happen since the chance of the app quitting as something is saving is very low. How do I run something on the main thread that'll prevent the app from quitting AND not block the gui? Thanks

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  • How to show a live Presentation from an Android phone?

    - by Pentium10
    This is not closely related to programming stuff, so I marked as community wiki. I am wondering how can I show a live Presentation from an Android phone? I want to put on a big screen my app, while I am presenting at a conference. I will directly interact with the phone during the presentation and I want the mobile screen visible on the big screen. Are there any apps that does this, or this is possible by the USB cable?

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  • import pictures from the iphone photos storage to the canvas within uiwebview

    - by How2iphone
    I am currently experimenting with canvas drawing function in a uiwebview.Its a simple app that allows you to finger paint on the Iphone.Can someone point me in the rite direction on a problem I'm having.I need to be able to import pictures from the photos storage to the canvas within the uiwebview.Its built on Html,javascript and css.Would prefer to use objective C in xcode to acomplish this.Any ideas would be greatly appreciated.

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  • expecte ')' before className

    - by Akbarbuneri
    Hi I have a class DataObject as Header ::: #import <Foundation/Foundation.h> @interface DataObject : NSObject { NSString *erorrMessage; BOOL hasError; NSDictionary *dataValues; } @property(nonatomic, retain)NSString *erorrMessage; @property(nonatomic)BOOL hasError; @property(nonatomic, retain)NSDictionary *dataValues; @end Class Implementation:::: #import "DataObject.h" @implementation DataObject @synthesize erorrMessage; @synthesize hasError; @synthesize dataValues; @end And I have another class as DataManager Header as :::: #import <Foundation/Foundation.h> @interface DataManager : NSObject - (DataObject *)getData :(NSString*)url; @end Implementation :::: #import "DataManager.h" #import "DataObject.h" #import "JSON.h" @implementation DataManager - (DataObject *)getData :(NSString*)url{ DataObject* dataObject = [[DataObject alloc]init]; NSString *urlString = [NSString stringWithFormat:url]; NSURLRequest *request = [NSURLRequest requestWithURL:[NSURL URLWithString:urlString]]; //TODO: Here we have to check the internet connection before requesting. NSError * erorrOnRequesting; NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:&erorrOnRequesting]; NSString* responseString = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding]; if( erorrOnRequesting != nil) { dataObject.hasError = YES; dataObject.erorrMessage = @"Error on requsting to the web server"; return dataObject; } NSError *errorOnParsing; SBJSON *json = [[SBJSON new] autorelease]; NSDictionary *dataValues = [json objectWithString:responseString error:&errorOnParsing]; [responseString release]; if(errorOnParsing != nil) { //TODO: We have to send the website a feedback that there is some problem on the server end. dataObject.hasError = YES; dataObject.erorrMessage = @"Error on parsing, the server returned invalid data."; return dataObject; } dataObject.hasError = NO; dataObject.dataValues = dataValues; return dataObject; } @end Now when I build I got an error in the DataManager header where I #import Dataobject header, it says "error: expected')' before DataObject" I don;t understand what I miss. Thanks for the help..

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  • Setting UITableViewCell height is expensive

    - by Sheehan Alam
    I am doing a comparison in - (CGFloat)tableView:(UITableView *)tblView heightForRowAtIndexPath:(NSIndexPath *)indexPath It seems like performance of my app really slows down when I check if a cell.detailTextLabel.text isEqualTo:@"None"; What is a better way of doing the comparison and setting the cell height?

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  • iPhone App made using XCode 3.2.3 does not run on 3.1.3 OS

    - by balexandre
    I can't figure this out and I thought that someone might run through the same thing. I have XCode 3.2.3 (Pre Release with OS 4 beta) and I started to create my application, after the final touches and everything worked ok, I changed the Simulator - 4.0 to Simulator - 3.1.3 (latest iPhone OS) and I could never start my app again :-( Does anyone know what I should do? I created a simple Screencast of the problem so everyone can see what I'm writing about. Thank you for all the help.

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  • Xcode: How to change Image on Touching at an Image (same Position)?

    - by Markus S.
    Simply, I have placed an image with the Interface Builder in a UIView. Now I want to run a method/function when I am touching that image, for example when another image should be loaded. My Code: - (void)touchesended:(NSSet*) touches withEvent:(UIEvent *)event { // UITouch *touch = [touch anyObject]; bild_1_1.image = [UIImage imageNamed:@"t_1_4.jpg"]; //} }

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  • Objective C: Include class and call method

    - by Nic Hubbard
    I have built a class which has a few methods in it, once of which returns an array, lets call this class A. I have a second class, class B, which I would like to use to call the method from class A. But, now how do I call that method from class A and store what is returned in a var in class B? Do I have to initiate the class? I have made sure to include the .h file from class A into class B. Thanks for helping a newbie.

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  • Implement delegates for Core Data or not

    - by Spanky
    What advantage is there to implementing the four delegate methods: (void)controllerWillChangeContent:(NSFetchedResultsController *)controller (void)controller:(NSFetchedResultsController *)controller didChangeSection:(id )sectionInfo atIndex:(NSUInteger)sectionIndex forChangeType:(NSFetchedResultsChangeType)type (void)controller:(NSFetchedResultsController *)controller didChangeObject:(id)anObject atIndexPath:(NSIndexPath *)indexPath forChangeType:(NSFetchedResultsChangeType)type newIndexPath:(NSIndexPath *)newIndexPath (void)controllerDidChangeContent:(NSFetchedResultsController *)controller rather than implement: (void)controllerDidChangeContent:(NSFetchedResultsController *)controller Any help appreciated // :)

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  • open app in mobile safari browser

    - by How2iphone
    I have been using the uiwebview for a app that consists a index.html,css and javascript files.I'd like to do away with the uiwebview and open the app in the safari browser instead.All source files are located within the app bundle.Is it possible and if so can someone point me in the rite direction.Thanks in advance for any help offered.

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  • To Switch To The Design View Of A Windows Form

    - by June
    Hi Friends I create new project in Windows Form Application using Visual Studio in VB.Net. I place some controls on my form. I don't write any code at this time. I close this project. When i open this project again , i found Form1.vb. I double-click that file , but the design view doesn't appear. I also find Form1.Designer.vb. What in this file is code. How can i switch to Design View of Form1 ? I need to write some codes for that form's objects like Button Click Event. June

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  • PRoblems Running Core Plot Tuorial

    - by Nick LaMarca
    I am following the tutorial here about core plot here.... http://www.switchonthecode.com/tutorials/using-core-plot-in-an-iphone-application I am getting errors with the following lines of code //SAYING INCOMPATIBLE TYPE FOR AURGUMENT 1 'setMajorIntervalLength' axisSet.xAxis.majorIntervalLength = [NSDecimalNumber decimalNumberWithString:@"5"]; // request for member 'axisLabelOffset' in something not a structure or union axisSet.xAxis.axisLabelOffset = 3.0f; //request for member 'bounds' in something not a structure or union CPScatterPlot *xSquaredPlot = [[[CPScatterPlot alloc] initWithFrame:graph.defaultPlotSpace.bounds] autorelease];

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