ios4

问题 I want to add image and some text on another image and create a single image. I have got to add text but not able to figure out that how to add image. Any help? 回答1: This snippet assumes you have UIImage's named bottomImage for the base image to be drawn upon, and topImage that will be drawn ON (above) the bottomImage. xpos,ypos are floats to describe the target x,y (top left) position where topImage will be drawn, and targetSize the size in which topImage will be drawn on bottomImage. ...

问题 Okay, first off - how I want my cells to look in my UItableView in editing mode (with some nicer buttons): However - this is how it looks right now: My problem is that my custom EditingAccessoryView only appears on the cell that I first created, and that those circle-thingies (what are those called?) appears. Which doesn't do much good. Now, my code looks like this (which seems like the common way of doing this, seen at this question for example: How to add Custom EditingAccessoryView for

问题 In my project, where we use pjsip2 to receive streaming audio from a shared server. The app is meant to only receive streaming audio, not record. However even though we have disabled the mic in out code we still get a notification of the app recording while it is in the background (top bar flashing red with text: " (recording)"). How can I disable the recording notification while our app is running in the background? 回答1: Remove the audio option from info plist for UIBackgroundModes Example:

问题 I have an xml response that i need to set into an array. The problem is i need to access each element and store it in an array so that i can use it for a tableview. <?xml version="1.0" encoding="UTF-8"?> <Response xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://schema.2sms.com/2.0/schema/0310_ResponseReportStandard.xsd" Version="1.0"> <Error> <ErrorCode>00</ErrorCode> <ErrorReason>OK</ErrorReason> </Error> <ResponseData> <Identification> <UserID

问题 I face a problem when develop an Iphone application and test it through Iphone Simulator. In my Iphone application, there exist a button. When I click on this button, the code will check whether the Iphone is connected to internet or not. If is connected, then it will start load data from server and then insert data to my application's local database. And show a view which display the loaded data. If internet is not connected, the didFailWithError method will called and pop up a alert to

问题 I face a problem when develop an Iphone application and test it through Iphone Simulator. In my Iphone application, there exist a button. When I click on this button, the code will check whether the Iphone is connected to internet or not. If is connected, then it will start load data from server and then insert data to my application's local database. And show a view which display the loaded data. If internet is not connected, the didFailWithError method will called and pop up a alert to

问题 I have an application with UITabBarController, where the first tab contains a ViewController of an HomePage. What I have to do, is to switch between the tabs (this is pretty simple: [[self tabBarController] setSelectedIndex:index]), AND to navigate through outlets of the selectedTab from the "HomePage". Just to explain myself: TabElement1--->TabElementX---->UISegmentedController:segmentY The problem is that the UISegmentedController is nil because it is not initialized yet (at least the first

问题 I tried to launch my project, but i got this error while compiling it on the simulator.WorkOut is the name of my project. Couldn't register com.AE557593PG.WorkOut with the bootstrap server. Error: unknown error code. 回答1: Try making sure the app isn't running on the simulator already. Worst case scenario, quit and restart both Simulator and Xcode. That's always fixed this for me. 来源： https://stackoverflow.com/questions/4316760/bootstrap-error-ios-simulator

问题 please anybody tell me how to insert records in sqlite through objective c? 回答1: You can use a block of code like this -(NSString*) GetDatabasePath { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) ; NSString *documentsDirectory = [paths objectAtIndex:0] ; return [documentsDirectory stringByAppendingPathComponent:@"Your Database"] ; } -(void)InsertPurchase { sqlite3_stmt *statement=nil; NSString *path = [self GetDatabasePath]; NSString *query;

问题 I'm experimenting with sancha js lib, and buidling an offline iphone4 app. iPhone (iOS 4) is reporting the error when accessing it within iphone safari: TypeError:Result of expression 'google.maps.LatLng' [undefined] is not a constructor Here is my index.html file: <!DOCTYPE html> <html manifest="maptest.manifest"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Map</title> <link rel="stylesheet" href="sencha-touch.css" type="text/css"> <script type="text