sdk

问题 OK，First this program can load plist from URL by this code，and I put this in - (void)viewdidLoad{ NSURLRequest *theRequest=[NSURLRequest requestWithURL:[NSURL URLWithString:@"http://someurl.php"] cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0]; NSURLConnection *theConnection=[[NSURLConnection alloc] initWithRequest:theRequest delegate:self]; NSLog(@"\n\nCONNECTION: %@", theConnection); NSData *returnData = [NSURLConnection sendSynchronousRequest:theRequest

问题 I want to use appdelegate for applicationDidBecomeActive and I want this function to use method which is placed in viewcontroller. How I am gonna do that? The only thing that I find is to access from anywhere the appdelegate. 回答1: You need to give your applicationDelegate class a reference to the viewController that you want to call the method on. You could do this by creating an instance variable or a property of the applicationDelegate that points to your viewController that you want to be

问题 I was working on a project, and while pressing some shortcut keys, I noticed the status bar of Visual Studio 2010: Please try some shortcuts yourself to notice the whole behavior of VS, and then...how could I achieve that effect at the same level of performance? Thanks in advance! P.S. I have the following code block taken from Stack Overlow, that does something like that but not the same performacnce level. My code works for CTRL + K , P . protected override bool ProcessCmdKey( ref Message

问题 I have an android app which I started write on sdk 2.2, but my android phone has the 1.5 version of the android. I have to downgrade my app to 1.5 seamlessly. I am not fully sure but I didn't use too many 2.2-specific features. Can you tell me how to do it? 回答1: If you're using Eclipse, change the manifest's minSdkVersion and targetSdkVersion and project's setup to use 1.5 and anything that's not present in that version of the API will turn into an error. 回答2: Essentially follow Jean's link

问题 is it possible to access iPhone file system from .net? Do we have .net SDK for iPhone?? I am trying to write a program in .net to access the filesystem, basic operations like switching off an iphone re-springing etc 回答1: MonoTouch is a commercial product that will allow you to use C# to target iOS devices. 回答2: The only thing available in this ilk for iPhone is MonoTouch. 来源： https://stackoverflow.com/questions/8153267/do-we-have-net-sdk-for-iphone

问题 Are there any free or paid SDK's for developing DVR client software, like "UMS Single client?" for C# or JAVA? 回答1: You can ask your DVR's vendor for their specific SDK. There are no universal SDKs for DVRs, unless your DVR has a RSTP feature 来源： https://stackoverflow.com/questions/13230120/dvr-client-software-sdk-tools

问题 I have a xib in which I have added a UIViewController named delta. The view under delta is controlled by the delta viewcontroller, not the file owner. On the delta view, I have a UIViewPicker . My issue is that I am programming in the UIPickerView in the deltaviewcontroller and I'm issuing deltaviewcontroller as the delegate and data source for the UIPickerView . Everything should work, but when I load the deltaviewcontroller's view, the application crashes. If I carry out everything the same

问题 Hi every one for some reasons i can't use shake API , so iam using shake device via accelerometer , but i don't why iPhone 4 , iPad do not support this code !!! but works on all devices .. i don't know what's going on ! here is my code : #define kAccelerationThreshold 2.2 #define kUpdateInterval (1.0f/10.0f) @interface info : UIViewController <UIAccelerometerDelegate> { } @end ~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~.~ @implementation info - (void)viewDidLoad { UIAccelerometer

问题 No matter where I look in the res directory there is only main.xml and I am supposed to have res/anim/mainanim.xml but I don't have it. My code is here: Frame-by-frame animations I also keep getting in the java document, "id and anim cannot be resolved or is not a field" error. What am I doing wrong? 回答1: Mia, to create the folder, go to where you saved the project on your computer and create the folder yourself and refresh Eclipse. Or in Eclipse, right click on the "res" folder, say new ->