我试图简单地启用从photolibrary中选择多个图像使用.我UIImagePickerController相对较新XCode,我不明白如何允许用户从中选择多个图像UIImagePickerControler.这是我目前的代码.请帮助任何人如何从中挑选多个图像UIImagePickerController.
-(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex
{
switch(buttonIndex)
{
case 0:
[self takeNewPhotoFromCamera];
break;
case 1:
[self choosePhotoFromExistingImages];
default:
break;
}
}
- (void)takeNewPhotoFromCamera
{
if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypeCamera])
{
UIImagePickerController *controller = [[UIImagePickerController alloc] init];
controller.sourceType = UIImagePickerControllerSourceTypeCamera;
controller.allowsEditing = NO;
controller.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:
UIImagePickerControllerSourceTypeCamera];
controller.delegate = self;
[self.navigationController presentViewController: controller animated: YES completion: nil];
}
}
-(void)choosePhotoFromExistingImages
{
if ([UIImagePickerController isSourceTypeAvailable: UIImagePickerControllerSourceTypePhotoLibrary])
{
UIImagePickerController *controller = [[UIImagePickerController alloc] init];
controller.sourceType = …我无法为模拟器编译我的项目.
我得到Apple Mach-O-Linker错误.我无法理解如何解决问题.我使用的是xcode 5.0.1.
请帮我任何身体.
提前致谢.
Ld /Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Products/Debug-iphonesimulator/ClassifiedDetails.app/ClassifiedDetails normal i386
cd /Users/murthych/Desktop/ClassifiedDetails
setenv IPHONEOS_DEPLOYMENT_TARGET 7.0
setenv PATH "/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch i386 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk -L/Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Products/Debug-iphonesimulator -F/Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Products/Debug-iphonesimulator -F/Applications/Xcode.app/Contents/Developer/Library/Frameworks -filelist /Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Intermediates/ClassifiedDetails.build/Debug-iphonesimulator/ClassifiedDetails.build/Objects-normal/i386/ClassifiedDetails.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=7.0 -framework XCTest -framework CoreGraphics -framework UIKit -framework Foundation -Xlinker -dependency_info -Xlinker /Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Intermediates/ClassifiedDetails.build/Debug-iphonesimulator/ClassifiedDetails.build/Objects-normal/i386/ClassifiedDetails_dependency_info.dat -o /Users/murthych/Library/Developer/Xcode/DerivedData/ClassifiedDetails-elseirogpshyhmffphsiejgydphd/Build/Products/Debug-iphonesimulator/ClassifiedDetails.app/ClassifiedDetails
Mach-O-Linker错误消息
building for iOS Simulator, but linking against dylib built for MacOSX file '/Applications/Xcode.app/Contents/Developer/Library/Frameworks/XCTest.framework/??XCTest' for architecture i386 clang: error: linker command failed with exit code 1 (use -v to …我想在我的应用程序中显示一些文本,如移动文本(从右到左滚动动画).我不知道如何以编程方式执行此操作？
我接受了UIViewcontroller.我正在开发AVAudioplayer.所以UIViewController在文本的顶部将从右向左移动.
我正在使用ios 7和ios 6 3.5英寸和4英寸屏幕用于ios.我正在为这两个版本的闪屏工作.在ios 7 4英寸屏幕上,它显示正确的方式.在具有4英寸屏幕的iOS 6中,它无法正常显示.我有对齐问题.带有3.5英寸的iOS 7也出现了一些对齐问题.但显示3.5英寸的iOS 6.我不知道如何解决对齐问题.这是我的示例代码:
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v) ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"7.0"))
{
splashView=[[UIImageView alloc]initWithFrame:CGRectMake(0, 20, 320, 548)];
splashView.image=[UIImage imageNamed:@"screens copy.png"];
[self.view addSubview:splashView];
splashView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin |UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleTopMargin;
}
else
{
splashView=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 320, 480)];
splashView.image=[UIImage imageNamed:@"small-screen1.PNG"];
[self.view addSubview:splashView];
splashView.autoresizingMask = UIViewAutoresizingFlexibleLeftMargin | UIViewAutoresizingFlexibleRightMargin |UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleTopMargin;
}