// // UzysAssetsPickerController.m // UzysAssetsPickerController // // Created by Uzysjung on 2014. 2. 12.. // Copyright (c) 2014년 Uzys. All rights reserved. // // 版权属于原作者 // http://code4app.com(cn) http://code4app.net(en) // 来源于最专业的源码分享网站: Code4App #import "UzysAssetsPickerController.h" #import "UzysAssetsViewCell.h" #import "UzysWrapperPickerController.h" #import "UzysGroupPickerView.h" #import "UzysGroupPickerViewController.h" @interface UzysAssetsPickerController () //View @property (weak, nonatomic) IBOutlet UIButton *btnTitle; @property (weak, nonatomic) IBOutlet UIButton *btnDone; @property (weak, nonatomic) IBOutlet UIView *navigationTop; @property (weak, nonatomic) IBOutlet UIView *bottomView; @property (weak, nonatomic) IBOutlet UISegmentedControl *segmentedControl; @property (weak, nonatomic) IBOutlet UILabel *labelSelectedMedia; @property (weak, nonatomic) IBOutlet UIButton *btnCamera; @property (nonatomic, strong) UIView *noAssetView; @property (nonatomic, strong) UICollectionView *collectionView; @property (nonatomic, strong) UzysWrapperPickerController *picker; @property (nonatomic, strong) UzysGroupPickerView *groupPicker; @property (nonatomic, strong) ALAssetsGroup *assetsGroup; @property (nonatomic, strong) NSMutableArray *groups; @property (nonatomic, strong) ALAssetsLibrary *assetsLibrary; @property (nonatomic, strong) NSMutableArray *assets; @property (nonatomic, assign) NSInteger numberOfPhotos; @property (nonatomic, assign) NSInteger numberOfVideos; @property (nonatomic, assign) NSInteger maximumNumberOfSelection; - (IBAction)btnAction:(id)sender; - (IBAction)indexDidChangeForSegmentedControl:(id)sender; @end @implementation UzysAssetsPickerController #pragma mark - ALAssetsLibrary + (ALAssetsLibrary *)defaultAssetsLibrary { static dispatch_once_t pred = 0; static ALAssetsLibrary *library = nil; dispatch_once(&pred,^ { library = [[ALAssetsLibrary alloc] init]; }); return library; } - (id)init { self = [super initWithNibName:@"UzysAssetsPickerController" bundle:nil]; if(self) { [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(assetsLibraryUpdated:) name:ALAssetsLibraryChangedNotification object:nil]; } return self; } - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self name:ALAssetsLibraryChangedNotification object:nil]; self.assetsLibrary = nil; self.assetsGroup = nil; self.assets = nil; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view from its nib. [self initVariable]; [self initImagePicker]; [self setupOneMediaTypeSelection]; __weak typeof(self) weakSelf = self; [self setupGroup:^{ [weakSelf.groupPicker.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:0 inSection:0] animated:NO scrollPosition:UITableViewScrollPositionNone]; } withSetupAsset:YES]; [self setupLayout]; [self setupCollectionView]; [self setupGroupPickerview]; [self initNoAssetView]; self.bottomView.y -= kSafeAreaBottomHeight; self.navigationTop.y += kStatusHeight-20; } - (void)initVariable { self.assetsFilter = [ALAssetsFilter allPhotos]; self.maximumNumberOfSelection = self.maximumNumberOfSelectionPhoto; self.view.clipsToBounds = YES; } - (void)initImagePicker { UzysWrapperPickerController *picker = [[UzysWrapperPickerController alloc] init]; // picker.modalPresentationStyle = UIModalPresentationCurrentContext; picker.delegate = self; picker.allowsEditing = NO; picker.videoQuality = UIImagePickerControllerQualityTypeHigh; if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) { picker.sourceType = UIImagePickerControllerSourceTypeCamera; picker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType: UIImagePickerControllerSourceTypeCamera]; } self.picker = picker; } - (void)initNoAssetView { UIView *noAssetsView = [[UIView alloc] initWithFrame:self.collectionView.bounds]; CGRect rect = CGRectInset(self.collectionView.bounds, 10, 10); UILabel *title = [[UILabel alloc] initWithFrame:rect]; UILabel *message = [[UILabel alloc] initWithFrame:rect]; title.text = NSLocalizedString(@"No Photos or Videos", nil); title.font = [UIFont systemFontOfSize:19.0]; title.textColor = [UIColor colorWithRed:153.0/255.0 green:153.0/255.0 blue:153.0/255.0 alpha:1]; title.textAlignment = NSTextAlignmentCenter; title.numberOfLines = 5; title.tag = kTagNoAssetViewTitleLabel; message.text = NSLocalizedStringFromTable(@"You can sync photos and videos onto your iPhone using iTunes.", @"UzysAssetsPickerController",nil); message.font = [UIFont systemFontOfSize:15.0]; message.textColor = [UIColor colorWithRed:153.0/255.0 green:153.0/255.0 blue:153.0/255.0 alpha:1]; message.textAlignment = NSTextAlignmentCenter; message.numberOfLines = 5; message.tag = kTagNoAssetViewMsgLabel; UIImageView *titleImage = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"UzysAssetPickerController.bundle/uzysAP_ico_no_image"]]; titleImage.contentMode = UIViewContentModeCenter; titleImage.tag = kTagNoAssetViewImageView; [title sizeToFit]; [message sizeToFit]; title.center = CGPointMake(noAssetsView.center.x, noAssetsView.center.y - 10 - title.frame.size.height / 2 + 40); message.center = CGPointMake(noAssetsView.center.x, noAssetsView.center.y + 10 + message.frame.size.height / 2 + 20); titleImage.center = CGPointMake(noAssetsView.center.x, noAssetsView.center.y - 10 - titleImage.frame.size.height /2); [noAssetsView addSubview:title]; [noAssetsView addSubview:message]; [noAssetsView addSubview:titleImage]; [self.collectionView addSubview:noAssetsView]; self.noAssetView = noAssetsView; self.noAssetView.hidden = YES; } - (void)setupLayout { self.btnDone.layer.cornerRadius = 15; self.btnDone.clipsToBounds = YES; UIView *lineView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, self.bottomView.bounds.size.width, 0.5)]; lineView.backgroundColor = [UIColor colorWithWhite:0 alpha:0.15f]; [self.bottomView addSubview:lineView]; } - (void)setupGroupPickerview { __weak typeof(self) weakSelf = self; self.groupPicker = [[UzysGroupPickerView alloc] initWithGroups:self.groups]; self.groupPicker.blockTouchCell = ^(NSInteger row){ [weakSelf changeGroup:row filter:weakSelf.assetsFilter]; }; [self.view insertSubview:self.groupPicker aboveSubview:self.bottomView]; [self.view bringSubviewToFront:self.navigationTop]; [self menuArrowRotate]; } - (void)setupOneMediaTypeSelection { if(_maximumNumberOfSelectionMedia > 0) { self.assetsFilter = [ALAssetsFilter allAssets]; self.maximumNumberOfSelection = self.maximumNumberOfSelectionMedia; self.segmentedControl.hidden = YES; self.labelSelectedMedia.hidden = NO; if(_maximumNumberOfSelection >1) self.labelSelectedMedia.text = @"Choose media"; else self.labelSelectedMedia.text = @"Choose media"; } else { if(_maximumNumberOfSelectionPhoto ==0) { self.assetsFilter = [ALAssetsFilter allVideos]; self.maximumNumberOfSelection = self.maximumNumberOfSelectionVideo; self.segmentedControl.hidden = YES; self.labelSelectedMedia.hidden = NO; if(_maximumNumberOfSelection >1) self.labelSelectedMedia.text = @"Choose videos"; else self.labelSelectedMedia.text = @"Choose a video"; } else if(_maximumNumberOfSelectionVideo ==0) { self.assetsFilter = [ALAssetsFilter allPhotos]; self.segmentedControl.selectedSegmentIndex = 0; self.maximumNumberOfSelection = self.maximumNumberOfSelectionPhoto; self.segmentedControl.hidden = YES; self.labelSelectedMedia.hidden = NO; //去掉不显示英文 if(_maximumNumberOfSelection >1) self.labelSelectedMedia.text = @""; else self.labelSelectedMedia.text = @""; } else { self.segmentedControl.hidden = NO; self.labelSelectedMedia.hidden = YES; } } } - (void)setupCollectionView { UICollectionViewFlowLayout *layout = [[UICollectionViewFlowLayout alloc] init]; layout.itemSize = kThumbnailSize; layout.sectionInset = UIEdgeInsetsMake(1.0, 0, 0, 0); layout.minimumInteritemSpacing = 1.0; layout.minimumLineSpacing = 1.0; self.collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, kNavOffSet, kSize.width, kSize.height - kNavOffSet - kSafeAreaBottomHeight -48) collectionViewLayout:layout]; self.collectionView.allowsMultipleSelection = YES; [self.collectionView registerClass:[UzysAssetsViewCell class] forCellWithReuseIdentifier:kAssetsViewCellIdentifier]; self.collectionView.delegate = self; self.collectionView.dataSource = self; self.collectionView.backgroundColor = [UIColor whiteColor]; self.collectionView.bounces = YES; self.collectionView.alwaysBounceVertical = YES; [self.view insertSubview:self.collectionView atIndex:0]; } - (void)changeGroup:(NSInteger)item filter:(ALAssetsFilter *)filter { self.assetsFilter = filter; self.assetsGroup = self.groups[item]; [self setupAssets:nil]; [self.groupPicker.tableView selectRowAtIndexPath:[NSIndexPath indexPathForRow:item inSection:0] animated:NO scrollPosition:UITableViewScrollPositionNone]; [self.groupPicker dismiss:YES]; [self menuArrowRotate]; } - (void)changeAssetType:(BOOL)isPhoto endBlock:(voidBlock)endBlock { if(isPhoto) { self.maximumNumberOfSelection = self.maximumNumberOfSelectionPhoto; self.assetsFilter = [ALAssetsFilter allPhotos]; [self setupAssets:endBlock]; } else { self.maximumNumberOfSelection = self.maximumNumberOfSelectionVideo; self.assetsFilter = [ALAssetsFilter allVideos]; [self setupAssets:endBlock]; } } - (void)setupGroup:(voidBlock)endblock withSetupAsset:(BOOL)doSetupAsset { if (!self.assetsLibrary) { self.assetsLibrary = [self.class defaultAssetsLibrary]; } if (!self.groups) self.groups = [[NSMutableArray alloc] init]; else [self.groups removeAllObjects]; __weak typeof(self) weakSelf = self; ALAssetsFilter *assetsFilter = [ALAssetsFilter allAssets]; // number of Asset 메쏘드 호출 시에 적용. ALAssetsLibraryGroupsEnumerationResultsBlock resultsBlock = ^(ALAssetsGroup *group, BOOL *stop) { if (group) { [group setAssetsFilter:assetsFilter]; NSInteger groupType = [[group valueForProperty:ALAssetsGroupPropertyType] integerValue]; if(groupType == ALAssetsGroupSavedPhotos) { [weakSelf.groups insertObject:group atIndex:0]; if(doSetupAsset) { weakSelf.assetsGroup = group; [weakSelf setupAssets:nil]; } } else { if (group.numberOfAssets > 0) [weakSelf.groups addObject:group]; } } else { dispatch_async(dispatch_get_main_queue(), ^{ [weakSelf.groupPicker reloadData]; if(endblock) endblock(); }); } }; ALAssetsLibraryAccessFailureBlock failureBlock = ^(NSError *error) { //접근이 허락 안되었을 경우 [self showNotAllowed]; self.segmentedControl.enabled = NO; self.btnDone.enabled = NO; self.btnCamera.enabled = NO; [self.btnTitle setTitle:NSLocalizedStringFromTable(@"Not Allowed", @"UzysAssetsPickerController",nil) forState:UIControlStateNormal]; [self.btnTitle setImage:nil forState:UIControlStateNormal]; }; [self.assetsLibrary enumerateGroupsWithTypes:ALAssetsGroupAll usingBlock:resultsBlock failureBlock:failureBlock]; } - (void)setupAssets:(voidBlock)successBlock { self.title = [self.assetsGroup valueForProperty:ALAssetsGroupPropertyName]; if (!self.assets) self.assets = [[NSMutableArray alloc] init]; else [self.assets removeAllObjects]; if(!self.assetsGroup) { self.assetsGroup = self.groups[0]; } [self.assetsGroup setAssetsFilter:self.assetsFilter]; NSInteger assetCount = [self.assetsGroup numberOfAssets]; ALAssetsGroupEnumerationResultsBlock resultsBlock = ^(ALAsset *asset, NSUInteger index, BOOL *stop) { if (asset) { [self.assets addObject:asset]; NSString *type = [asset valueForProperty:ALAssetPropertyType]; if ([type isEqual:ALAssetTypePhoto]) self.numberOfPhotos ++; if ([type isEqual:ALAssetTypeVideo]) self.numberOfVideos ++; } else if (self.assets.count >= assetCount) { dispatch_async(dispatch_get_main_queue(), ^{ [self reloadData]; if(successBlock) successBlock(); }); } }; [self.assetsGroup enumerateAssetsWithOptions:NSEnumerationReverse usingBlock:resultsBlock]; } - (void)reloadData { [self.collectionView reloadData]; [self.btnDone setTitle:[NSString stringWithFormat:@"%lu",(unsigned long)self.collectionView.indexPathsForSelectedItems .count] forState:UIControlStateNormal]; [self showNoAssetsIfNeeded]; } - (void)setAssetsCountWithSelectedIndexPaths:(NSArray *)indexPaths { [self.btnDone setTitle:[NSString stringWithFormat:@"%lu",(unsigned long)indexPaths.count] forState:UIControlStateNormal]; } - (void)showNotAllowed { self.title = nil; UIView *lockedView = [[UIView alloc] initWithFrame:self.collectionView.bounds]; UIImageView *locked = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"UzysAssetPickerController.bundle/uzysAP_ico_no_access"]]; locked.contentMode = UIViewContentModeCenter; CGRect rect = CGRectInset(self.collectionView.bounds, 8, 8); UILabel *title = [[UILabel alloc] initWithFrame:rect]; UILabel *message = [[UILabel alloc] initWithFrame:rect]; title.text = NSLocalizedStringFromTable(@"This app does not have access to your photos or videos.", @"UzysAssetsPickerController",nil); title.font = [UIFont boldSystemFontOfSize:17.0]; title.textColor = [UIColor colorWithRed:129.0/255.0 green:136.0/255.0 blue:148.0/255.0 alpha:1]; title.textAlignment = NSTextAlignmentCenter; title.numberOfLines = 5; message.text = NSLocalizedStringFromTable(@"You can enable access in Privacy Settings.", @"UzysAssetsPickerController",nil); message.font = [UIFont systemFontOfSize:14.0]; message.textColor = [UIColor colorWithRed:129.0/255.0 green:136.0/255.0 blue:148.0/255.0 alpha:1]; message.textAlignment = NSTextAlignmentCenter; message.numberOfLines = 5; [title sizeToFit]; [message sizeToFit]; locked.center = CGPointMake(lockedView.center.x, lockedView.center.y - locked.bounds.size.height /2 - 20); title.center = locked.center; message.center = locked.center; rect = title.frame; rect.origin.y = locked.frame.origin.y + locked.frame.size.height + 10; title.frame = rect; rect = message.frame; rect.origin.y = title.frame.origin.y + title.frame.size.height + 5; message.frame = rect; [lockedView addSubview:locked]; [lockedView addSubview:title]; [lockedView addSubview:message]; [self.collectionView addSubview:lockedView]; } - (void)showNoAssetsIfNeeded { __weak typeof(self) weakSelf = self; voidBlock setNoImage = ^{ UIImageView *imgView = (UIImageView *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewImageView]; imgView.contentMode = UIViewContentModeCenter; imgView.image = [UIImage imageNamed:@"UzysAssetPickerController.bundle/uzysAP_ico_no_image"]; UILabel *title = (UILabel *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewTitleLabel]; title.text = NSLocalizedStringFromTable(@"No Photos", @"UzysAssetsPickerController",nil); UILabel *msg = (UILabel *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewMsgLabel]; msg.text = NSLocalizedStringFromTable(@"You can sync photos onto your iPhone using iTunes.",@"UzysAssetsPickerController", nil); }; voidBlock setNoVideo = ^{ UIImageView *imgView = (UIImageView *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewImageView]; imgView.image = [UIImage imageNamed:@"UzysAssetPickerController.bundle/uzysAP_ico_no_video"]; //NSLog(@"no video"); UILabel *title = (UILabel *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewTitleLabel]; title.text = NSLocalizedStringFromTable(@"No Videos", @"UzysAssetsPickerController",nil); UILabel *msg = (UILabel *)[weakSelf.noAssetView viewWithTag:kTagNoAssetViewMsgLabel]; msg.text = NSLocalizedStringFromTable(@"You can sync videos onto your iPhone using iTunes.",@"UzysAssetsPickerController", nil); }; if(self.assets.count ==0) { self.noAssetView.hidden = NO; if(self.segmentedControl.hidden == NO) { if(self.segmentedControl.selectedSegmentIndex ==0) { setNoImage(); } else { setNoVideo(); } } else { if(self.maximumNumberOfSelectionMedia >0) { UIImageView *imgView = (UIImageView *)[self.noAssetView viewWithTag:kTagNoAssetViewImageView]; imgView.image = [UIImage imageNamed:@"UzysAssetPickerController.bundle/uzysAP_ico_no_image"]; //NSLog(@"no media"); UILabel *title = (UILabel *)[self.noAssetView viewWithTag:kTagNoAssetViewTitleLabel]; title.text = NSLocalizedStringFromTable(@"No Videos", @"UzysAssetsPickerController",nil); UILabel *msg = (UILabel *)[self.noAssetView viewWithTag:kTagNoAssetViewMsgLabel]; msg.text = NSLocalizedStringFromTable(@"You can sync media onto your iPhone using iTunes.",@"UzysAssetsPickerController", nil); } else if(self.maximumNumberOfSelectionPhoto == 0) { setNoVideo(); } else if(self.maximumNumberOfSelectionVideo == 0) { setNoImage(); } } } else { self.noAssetView.hidden = YES; } } #pragma mark - Collection View Data Source - (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView { return 1; } - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section { return self.assets.count; } - (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = kAssetsViewCellIdentifier; UzysAssetsViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:CellIdentifier forIndexPath:indexPath]; [cell applyData:[self.assets objectAtIndex:indexPath.row]]; return cell; } #pragma mark - Collection View Delegate - (BOOL)collectionView:(UICollectionView *)collectionView shouldSelectItemAtIndexPath:(NSIndexPath *)indexPath { return ([collectionView indexPathsForSelectedItems].count < self.maximumNumberOfSelection); } - (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath { [self setAssetsCountWithSelectedIndexPaths:collectionView.indexPathsForSelectedItems]; } - (void)collectionView:(UICollectionView *)collectionView didDeselectItemAtIndexPath:(NSIndexPath *)indexPath { [self setAssetsCountWithSelectedIndexPaths:collectionView.indexPathsForSelectedItems]; } #pragma mark - Actions - (void)finishPickingAssets { NSMutableArray *assets = [[NSMutableArray alloc] init]; for (NSIndexPath *indexPath in self.collectionView.indexPathsForSelectedItems) { [assets addObject:[self.assets objectAtIndex:indexPath.item]]; } if([assets count]>0) { UzysAssetsPickerController *picker = (UzysAssetsPickerController *)self; if([picker.delegate respondsToSelector:@selector(UzysAssetsPickerController:didFinishPickingAssets:)]) [picker.delegate UzysAssetsPickerController:picker didFinishPickingAssets:assets]; [self dismissViewControllerAnimated:YES completion:^{ }]; } } #pragma mark - Notification - (void)assetsLibraryUpdated:(NSNotification *)notification { dispatch_async(dispatch_get_main_queue(), ^{ //recheck here if([notification.name isEqualToString:ALAssetsLibraryChangedNotification]) { NSDictionary* info = [notification userInfo]; NSSet *updatedAssets = [info objectForKey:ALAssetLibraryUpdatedAssetsKey]; NSSet *updatedAssetGroup = [info objectForKey:ALAssetLibraryUpdatedAssetGroupsKey]; NSSet *deletedAssetGroup = [info objectForKey:ALAssetLibraryDeletedAssetGroupsKey]; NSSet *insertedAssetGroup = [info objectForKey:ALAssetLibraryInsertedAssetGroupsKey]; // NSLog(@"updated assets:%@", updatedAssets); // NSLog(@"updated asset group:%@", updatedAssetGroup); // NSLog(@"deleted asset group:%@", deletedAssetGroup); // NSLog(@"inserted asset group:%@", insertedAssetGroup); if(notification.userInfo == nil) { //AllClear [self setupGroup:nil withSetupAsset:YES]; return; } if(insertedAssetGroup.count >0 || deletedAssetGroup.count > 0) { [self setupGroup:nil withSetupAsset:NO]; return; } if(notification.userInfo.count == 0) { return; } if(updatedAssets.count <2 && updatedAssetGroup.count ==0 && deletedAssetGroup.count == 0 && insertedAssetGroup.count == 0) //이미지픽커에서 앨범에 저장할 경우. { [self.assetsLibrary assetForURL:[updatedAssets allObjects][0] resultBlock:^(ALAsset *asset) { dispatch_async(dispatch_get_main_queue(), ^{ if([[[self.assets[0] valueForProperty:ALAssetPropertyAssetURL] absoluteString] isEqualToString:[[asset valueForProperty:ALAssetPropertyAssetURL] absoluteString]]) { NSIndexPath *newPath = [NSIndexPath indexPathForRow:0 inSection:0]; [self.collectionView selectItemAtIndexPath:newPath animated:NO scrollPosition:UICollectionViewScrollPositionNone]; [self setAssetsCountWithSelectedIndexPaths:self.collectionView.indexPathsForSelectedItems]; } }); } failureBlock:nil]; return; } NSMutableArray *selectedItems = [NSMutableArray array]; NSArray *selectedPath = self.collectionView.indexPathsForSelectedItems; for (NSIndexPath *idxPath in selectedPath) { [selectedItems addObject:[self.assets objectAtIndex:idxPath.row]]; } NSInteger beforeAssets = self.assets.count; [self setupAssets:^{ for (ALAsset *item in selectedItems) { for(ALAsset *asset in self.assets) { if([[[asset valueForProperty:ALAssetPropertyAssetURL] absoluteString] isEqualToString:[[item valueForProperty:ALAssetPropertyAssetURL] absoluteString]]) { NSUInteger idx = [self.assets indexOfObject:asset]; NSIndexPath *newPath = [NSIndexPath indexPathForRow:idx inSection:0]; [self.collectionView selectItemAtIndexPath:newPath animated:NO scrollPosition:UICollectionViewScrollPositionNone]; } } } [self setAssetsCountWithSelectedIndexPaths:self.collectionView.indexPathsForSelectedItems]; if(self.assets.count > beforeAssets) { [self.collectionView setContentOffset:CGPointMake(0, 0) animated:NO]; } }]; } }); } #pragma mark - Property - (void)setTitle:(NSString *)title { [super setTitle:title]; [self.btnTitle setTitle:title forState:UIControlStateNormal]; //NSLog(@" x %f %f %f",self.btnTitle.titleLabel.frame.origin.x,self.btnTitle.titleLabel.bounds.size.width,self.btnTitle.imageView.bounds.size.width); //这里不对按钮内部做UI调整了 这样的话 虽然图片在标题前 不过 不会太丑 oh^真棒 // [self.btnTitle setImageEdgeInsets:UIEdgeInsetsMake(5, self.btnTitle.frame.origin.x + self.btnTitle.frame.size.width + self.btnTitle.imageView.bounds.size.width, 0, 0)]; // [self.btnTitle setTitleEdgeInsets:UIEdgeInsetsMake(5, 0, 0, 0)]; [self.btnTitle layoutIfNeeded]; } - (void)menuArrowRotate { [UIView animateWithDuration:0.35 animations:^{ if(self.groupPicker.isOpen) { //在这里 改变添加图片的样式 self.btnTitle.imageView.transform = CGAffineTransformMakeRotation(M_PI); } else { self.btnTitle.imageView.transform = CGAffineTransformIdentity; } } completion:^(BOOL finished) { }]; } #pragma mark - Control Action - (IBAction)btnAction:(id)sender { UIButton *btn = (UIButton *)sender; switch (btn.tag) { case kTagButtonCamera: { if (![UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera]) { UIAlertView *myAlertView = [[UIAlertView alloc] initWithTitle:@"提示" message:@"照相机暂不可用" delegate:nil cancelButtonTitle:@"确定" otherButtonTitles: nil]; [myAlertView show]; } else { // [self initImagePicker]; __weak typeof(self) weakSelf = self; [self presentViewController:self.picker animated:YES completion:^{ //카메라 화면으로 가면 강제로 가메라 롤로 변경.被迫到相机胶卷，相机屏幕的变化 if(![weakSelf.assetsGroup isEqual:weakSelf.groups[0]] ) { weakSelf.assetsGroup = weakSelf.groups[0]; [weakSelf changeGroup:0 filter:weakSelf.assetsFilter]; } }]; } } break; case kTagButtonClose: { if([self.delegate respondsToSelector:@selector(UzysAssetsPickerControllerDidCancel:)]) { } [self dismissViewControllerAnimated:YES completion:^{ }]; } break; case kTagButtonGroupPicker: { [self.groupPicker toggle]; [self menuArrowRotate]; } break; case kTagButtonDone: [self finishPickingAssets]; break; default: break; } } - (IBAction)indexDidChangeForSegmentedControl:(id)sender { UISegmentedControl *segmentedControl = (UISegmentedControl *) sender; NSInteger selectedSegment = segmentedControl.selectedSegmentIndex; if(selectedSegment ==0) { [self changeAssetType:YES endBlock:nil]; } else { [self changeAssetType:NO endBlock:nil]; } } #pragma mark - UIImagerPickerDelegate - (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info { /* iOS8之后 调用系统相机 有时候会遇到这个问题 查了不少资料 遇到的人也蛮多的 不过没遇到有严重影响的 danson Snapshotting a view that has not been rendered results in an empty snapshot. Ensure your view has been rendered at least once before snapshotting or snapshot after screen updates */ __weak typeof(self) weakSelf = self; //사진 촬영 시 照片拍摄 if (CFStringCompare((CFStringRef) [info objectForKey:UIImagePickerControllerMediaType], kUTTypeImage, 0) == kCFCompareEqualTo) { if(self.segmentedControl.selectedSegmentIndex ==1) { self.segmentedControl.selectedSegmentIndex = 0; self.maximumNumberOfSelection = weakSelf.maximumNumberOfSelectionPhoto; if(self.segmentedControl.hidden ==NO) self.assetsFilter = [ALAssetsFilter allPhotos]; } UIImage *image = info[UIImagePickerControllerOriginalImage]; [self.assetsLibrary writeImageToSavedPhotosAlbum:image.CGImage metadata:info[UIImagePickerControllerMediaMetadata] completionBlock:^(NSURL *assetURL, NSError *error) { //NSLog(@"writeImageToSavedPhotosAlbum"); }]; } else //비디오 촬영시 视频拍摄 { if(self.segmentedControl.selectedSegmentIndex ==0) { self.segmentedControl.selectedSegmentIndex = 1; self.maximumNumberOfSelection = self.maximumNumberOfSelectionVideo; if(self.segmentedControl.hidden ==NO) self.assetsFilter = [ALAssetsFilter allVideos]; } [self.assetsLibrary writeVideoAtPathToSavedPhotosAlbum:info[UIImagePickerControllerMediaURL] completionBlock:^(NSURL *assetURL, NSError *error) { }]; } [picker dismissViewControllerAnimated:YES completion:^{}]; } - (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker { [picker dismissViewControllerAnimated:YES completion:^{ }]; } #pragma mark - UIViewController Property - (UIStatusBarStyle)preferredStatusBarStyle { return UIStatusBarStyleDefault; } - (UIViewController *)childViewControllerForStatusBarHidden { return nil; } - (BOOL)prefersStatusBarHidden { return NO; } -(NSUInteger)supportedInterfaceOrientations { return UIInterfaceOrientationMaskPortrait; } - (UIInterfaceOrientation)preferredInterfaceOrientationForPresentation { return UIInterfaceOrientationPortrait; } @end