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对不起，但我总是Noob，而不是程序员。我在模板上创建了一个照片编辑应用程序，并在Google搜索，教程等帮助下大量定制。Xcode iOS应用程序挂在启动屏幕上“semaphore_wait_trap（）”
使用Xcode 7.3.1，iOS 9.3，较新的Photosframework和唯一的目标C. 我已将应用程序指向某一点除了我注意到第一次启动时，应用程序挂起（调试报告semaphore_wait_trap（））
该应用程序无法进入下一步“请求访问照片”警报弹出在iOS 9.3，唯一的办法是点击主页按钮，然后看到授权访问警报，然后切换回应用程序，然后退出应用程序，重新加载它，然后在超时后运行良好，这当然不是理想的用户体验。
我看看，如果我在调试模式下暂停其挂在：“semaphore_wait_trap（）”
伊夫一派，搜索天，不能找到一个解决方案，以获得许可警报弹出展现在我的应用程序窗口的顶部。
它超越了我。任何想法将不胜感激。
查看弹出窗口上保留的启动图像的屏幕截图。
如果按“主页”按钮，警报授予出现访问照片。
应用程序的委托：
@implementation AppDelegate
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
if ([UIApplication instancesRespondToSelector:@selector(registerUserNotificationSettings:)]){
[application registerUserNotificationSettings:[UIUserNotificationSettings settingsForTypes:UIUserNotificationTypeAlert|UIUserNotificationTypeBadge|UIUserNotificationTypeSound categories:nil]];
}
UILocalNotification *locationNotification = [launchOptions objectForKey:UIApplicationLaunchOptionsLocalNotificationKey];
if (locationNotification) {
// Sets icon badge number to zero
application.applicationIconBadgeNumber = 0;
}
// END Local Notification ==========================
return true;
}
-(void)application:(UIApplication *)application didReceiveLocalNotification:(UILocalNotification *)notification {
// Resets icon's badge number to zero
application.applicationIconBadgeNumber = 0;
}
这里是主视图控制器的一个片段（希望这不是长，不知道问题出在哪里）
HomeVC.m：
#import "HomeVC.h"
#import "Configs.h"
#import "AAPLGridViewCell2.h"
#import "NSIndexSet+Convenience.h"
#import "UICollectionView+Convenience.h"
#import "AAPLRootListViewController.h"
#import "Configs.h"
#import "ImageEditorTheme.h"
#import "ImageEditorTheme+Private.h"
@import PhotosUI;
@import UIKit;
@interface HomeVC()
<
PHPhotoLibraryChangeObserver,
UICollectionViewDelegateFlowLayout,
UICollectionViewDataSource,
UICollectionViewDelegate
>
@property (nonatomic, strong) NSArray *sectionFetchResults;
@property (nonatomic, strong) NSArray *sectionLocalizedTitles;
@property (nonatomic, strong) PHCachingImageManager *imageManager;
@property CGRect previousPreheatRect;
@property (nonatomic, strong) IBOutlet UICollectionViewFlowLayout *flowLayout;
@property (nonatomic, assign) CGSize lastTargetSize;
@end
@implementation HomeVC
{
UIActivityIndicatorView *_indicatorView;
}
static NSString * const AllPhotosReuseIdentifier = @"AllPhotosCell";
static NSString * const CollectionCellReuseIdentifier = @"CollectionCell";
static NSString * const CellReuseIdentifier = @"Cell";
static CGSize AssetGridThumbnailSize;
- (void)awakeFromNib {
self.imageManager = [[PHCachingImageManager alloc] init];
[self resetCachedAssets];
[[PHPhotoLibrary sharedPhotoLibrary] registerChangeObserver:self];
}
- (void)dealloc {
[[PHPhotoLibrary sharedPhotoLibrary] unregisterChangeObserver:self];
}
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
_logoImage.layer.cornerRadius = 30;
[self loadPhotos];
[_libraryOutlet addTarget:self action:@selector(touchUp:) forControlEvents:UIControlEventTouchUpInside];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(handle_data) name:@"reload_data" object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(hideMenu) name:@"hide_menu" object:nil];
}
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
// Begin caching assets in and around collection view's visible rect.
[self updateCachedAssets];
}
-(void)handle_data {
//[self.collectionView2 layoutIfNeeded];
//[self resetCachedAssets];
[self.collectionView2 reloadData];
[self updateCachedAssets];
NSLog(@"did it work?");
}
- (void)viewDidLayoutSubviews
{
NSInteger section = [self.collectionView2 numberOfSections] - 1;
NSInteger item = [self.collectionView2 numberOfItemsInSection:section] - 1;
NSIndexPath *indexPath = [NSIndexPath indexPathForItem:item inSection:section];
[self.collectionView2 scrollToItemAtIndexPath:indexPath atScrollPosition:(UICollectionViewScrollPositionTop) animated:NO];
//[self loadPhotos];
}
-(void) loadPhotos {
PHFetchOptions *allPhotosOptions = [[PHFetchOptions alloc] init];
allPhotosOptions.sortDescriptors = @[[NSSortDescriptor sortDescriptorWithKey:@"creationDate" ascending:YES]];
PHFetchResult *allPhotos = [PHAsset fetchAssetsWithOptions:allPhotosOptions];
if (self.assetsFetchResults == nil) {
self.assetsFetchResults = allPhotos;
}
}
#pragma mark - PHPhotoLibraryChangeObserver
- (void)photoLibraryDidChange:(PHChange *)changeInstance {
// Check if there are changes to the assets we are showing.
PHFetchResultChangeDetails *collectionChanges = [changeInstance changeDetailsForFetchResult:self.assetsFetchResults];
if (collectionChanges == nil) {
return;
}
/*
Change notifications may be made on a background queue. Re-dispatch to the
main queue before acting on the change as we'll be updating the UI.
*/
dispatch_async(dispatch_get_main_queue(), ^{
// Get the new fetch result.
self.assetsFetchResults = [collectionChanges fetchResultAfterChanges];
UICollectionView *collectionView = self.collectionView;
if (![collectionChanges hasIncrementalChanges] || [collectionChanges hasMoves]) {
// Reload the collection view if the incremental diffs are not available
[collectionView reloadData];
} else {
/*
Tell the collection view to animate insertions and deletions if we
have incremental diffs.
*/
[collectionView performBatchUpdates:^{
NSIndexSet *removedIndexes = [collectionChanges removedIndexes];
if ([removedIndexes count] > 0) {
[collectionView deleteItemsAtIndexPaths:[removedIndexes aapl_indexPathsFromIndexesWithSection:0]];
}
NSIndexSet *insertedIndexes = [collectionChanges insertedIndexes];
if ([insertedIndexes count] > 0) {
[collectionView insertItemsAtIndexPaths:[insertedIndexes aapl_indexPathsFromIndexesWithSection:0]];
}
NSIndexSet *changedIndexes = [collectionChanges changedIndexes];
if ([changedIndexes count] > 0) {
[collectionView reloadItemsAtIndexPaths:[changedIndexes aapl_indexPathsFromIndexesWithSection:0]];
}
} completion:NULL];
}
[self resetCachedAssets];
});
}
#pragma mark - UICollectionViewDataSource
- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
return self.assetsFetchResults.count;
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath; {
CGFloat colum = 3.0, spacing = 0.0;
CGFloat value = floorf((CGRectGetWidth(self.view.bounds) - (colum - 1) * spacing)/colum);
UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init];
layout.itemSize = CGSizeMake(value, value);
layout.sectionInset = UIEdgeInsetsMake(0, 0, 0, 0);
layout.minimumInteritemSpacing = spacing;
layout.minimumLineSpacing = spacing;
return CGSizeMake(value, value);
//return self.collectionView.frame.size;
}
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
PHAsset *asset = self.assetsFetchResults[indexPath.item];
// Dequeue an AAPLGridViewCell.
AAPLGridViewCell2 *cell = [collectionView dequeueReusableCellWithReuseIdentifier:CellReuseIdentifier forIndexPath:indexPath];
cell.representedAssetIdentifier = asset.localIdentifier;
// Request an image for the asset from the PHCachingImageManager.
[self.imageManager requestImageForAsset:asset
targetSize:CGSizeMake(130, 130)
contentMode:PHImageContentModeAspectFill
options:nil
resultHandler:^(UIImage *result, NSDictionary *info) {
// Set the cell's thumbnail image if it's still showing the same asset.
if ([cell.representedAssetIdentifier isEqualToString:asset.localIdentifier]) {
cell.thumbnailImage = result;
}
}];
CGPoint bottomOffset = CGPointMake(-0, self.collectionView.contentSize.height - self.collectionView.bounds.size.height + self.collectionView.contentInset.bottom);
[self.collectionView setContentOffset:bottomOffset animated:NO];;
return cell;
}
- (void) collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
// Prepare the options to pass when fetching the live photo.
PHAsset *asset = self.assetsFetchResults[indexPath.item];
PHImageRequestOptions *options = [[PHImageRequestOptions alloc] init];
options.deliveryMode = PHImageRequestOptionsDeliveryModeHighQualityFormat;
options.networkAccessAllowed = NO;
dispatch_async(dispatch_get_main_queue(), ^{
_indicatorView = [ImageEditorTheme indicatorView];
_indicatorView.center = self.containerView.center;
[self.containerView addSubview:_indicatorView];
[_indicatorView startAnimating];
UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
PreviewVC *prevVC = (PreviewVC *)[storyboard instantiateViewControllerWithIdentifier:@"PreviewVC"];
[[PHImageManager defaultManager] requestImageForAsset:asset targetSize:PHImageManagerMaximumSize contentMode:PHImageContentModeAspectFit options:options resultHandler:^(UIImage *result, NSDictionary *info) {
// Show the UIImageView and use it to display the requested image.
passedImage = result;
prevVC.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self presentViewController:prevVC animated:true completion:nil];
[_indicatorView stopAnimating];
}];
});
}
#pragma mark - UIScrollViewDelegate
- (void)scrollViewDidScroll:(UIScrollView *)scrollView {
// Update cached assets for the new visible area.
[self updateCachedAssets];
}
没有人有任何建议吗？ –
你需要提供或者一些截图或代码，使乌拉圭回合的主要问题可以得到正确的理解.. –
或提供乌尔应用程序委托类代码... –