我写了一个很好的画廊视图控制器.h .m和.xib，它可以很好地用于我的目的。点击以编程方式创建的按钮并加载图像，播放电影或查看PDF或网站 - 同时在现有的uinavigationcontroller中。我想更改它，以便我可以在代码中添加xib的内容 - 而不使用nib文件。通过这种方式，它会更有用（我认为）。
问题是.m中的函数引用，例如 - [self presentMoviePlayerViewControllerAnimated：YES]等不起作用。我尝试在这个新的.h和.m中创建rootviewcontroller的属性，并用myController（属性名称）替换self。但我的视图控制器代码依赖于现有的uinavigation来推送新的内容或类似的东西。如何删除/调整这些对self的引用或依赖于uinavigationcontrollers，这样它就像它有一个nib的视图控制器一样工作？
编辑：下面添加的代码。在笔尖中只有一个名为uis_thumbScrollView的uiscrollview。我想通过简单地调用类似的东西来添加它：
[self.view addSubview:[[ebThumbScroller alloc] initWithFrame:CGRectMake(0, 0, 1024, 733)]];
每个人的评论都提醒我，uiview将存在于rootviewcontroller中，位于顶部。也许这就是为什么我能听到电影播放的原因 - 但是看不到它。
注意：代码会在uiscrollview中创建一系列带有按钮的uiviews。 。H ＃进口 #import“ebAppDelegate.h” #import“MediaPlayer / MediaPlayer.h”
@interface HomeGalleryViewController : UIViewController <UIScrollViewDelegate, UIGestureRecognizerDelegate, UIDocumentInteractionControllerDelegate> {
BOOL pageControlBeingUsed;
int buttonCount;
CGFloat _minimumColumnGap;
UIEdgeInsets _contentInsets;
NSInteger _colCount;
NSInteger _rowCount;
CGFloat _rowGap;
CGFloat _colGap;
UIEdgeInsets _effectiveInsets;
//int iGalleryThumbs;
//int iPlanThumbs;
int iTotalButtons;
ebAppDelegate *ebappdelegate;
ebGalleryItem *ebgalleryItem;
NSDictionary *gallDict;
NSArray *gallerySections;
NSArray *galleryArray;
NSMutableArray *nsm_gallArray;
UIDocumentInteractionController *controller;
}
//@property (nonatomic, retain) IBOutlet UIButton *bItem;
@property (nonatomic, retain) NSString *galleryNameString;
@property (nonatomic, retain) IBOutlet UIScrollView* scrollView;
@property (retain, nonatomic) NSMutableArray *arr_Views;
@property (strong, nonatomic) IBOutlet UIScrollView* uis_thumbScrollView;
@property (strong, nonatomic) IBOutlet UIPageControl* uis_pageControl;
@property (strong, nonatomic) IBOutlet UIView *uiv_thumbView;
@property (strong, nonatomic) MPMoviePlayerController *player;
@property (strong, nonatomic) MPMoviePlayerViewController *playerViewController;
- (IBAction)changePage;
- (IBAction) clickOpen:(id)sender;
- (void)playMovie:(NSString*)movieName;
- (void)movieFinishedCallback:(NSNotification*)_notification;
@end
的.m
#import "HomeGalleryViewController.h"
#import "ebAppDelegate.h"
#import "GalleryImagesViewController.h"
#import "Gallery.h"
#import "GalleryThumbnailsViewController.h"
#import "GalleriesListViewController.h"
#import <QuartzCore/CoreAnimation.h>
#import "ebGalleryItem.h"
#import "WebViewController.h"
@implementation HomeGalleryViewController
// buttons
#define hGutter 17
#define vGutter 13
#define btnSize 130
#define topSpace 50
#define leftMargin 100
@synthesize uiv_thumbView;
@synthesize uiv_gallCat0, uiv_gallCat1, uiv_gallCat2,uiv_gallCat3, uiv_gallCat4, uiv_gallCat5,uiv_gallCat6;
@synthesize uis_thumbScrollView, uis_pageControl;
@synthesize galleryNameString,scrollView,arr_Views;
@synthesize player, playerViewController;
// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
[super viewDidLoad];
ebappdelegate = (ebAppDelegate *)[[UIApplication sharedApplication] delegate];
arr_Views = [[NSMutableArray alloc] init];
self.scrollView.contentSize = CGSizeMake(1024, 1005);
// nsarray of dictionaries (galleries)
gallerySections = ebappdelegate.arr_galleryData;
NSLog(@"gallerySections count:%i",[gallerySections count]);
nsm_gallArray = [NSMutableArray arrayWithCapacity:1];
[self layoutGalleryThumbs];
}
#pragma mark
#pragma mark Layout Gallery Thumbs
-(void)layoutGalleryThumbs {
NSUInteger numGallSections = [gallerySections count];
NSLog(@"gallerySections data:%@",gallerySections);
NSLog(@"numGallSections count:%i",numGallSections);
// Window bounds.
CGRect bounds = CGRectMake(0, 0, 1024, 215);
for (int i=0; i<numGallSections; i++) {
// Create a view and add it to the window.
UIView* vview = [[UIView alloc] initWithFrame: CGRectMake(0, bounds.size.height*i-1, bounds.size.width, bounds.size.height)];
[vview setBackgroundColor: [UIColor whiteColor]];
[vview setTag:i];
//vview.backgroundColor = (UIColor (i % 2 == 0 ? cyanColor : whiteColor];
vview.backgroundColor = (i % 2 == 0)? [UIColor lightGrayColor] : [UIColor whiteColor];
[arr_Views addObject:vview];
// add line below at bottom
UIView* lineView = [[UIView alloc] initWithFrame: CGRectMake(280, bounds.size.height, 700, 2)];
[lineView setBackgroundColor: [UIColor grayColor]];
lineView.alpha = 0.5;
[vview addSubview:lineView];
[uis_thumbScrollView addSubview: vview];
NSLog(@"start===============i:%i",i);
// grab a gallery
gallDict = [gallerySections objectAtIndex:i]; // grab dict
galleryArray = [gallDict objectForKey:@"gallSectionData"]; // grab array from dict
NSLog(@"galleryArray:%@",[galleryArray description]);
NSString *secTitle = [gallDict objectForKey:@"gallSectionName"];
iTotalButtons = [galleryArray count];
NSLog(@"iTotalButtons count:%i",iTotalButtons);
_minimumColumnGap = 5;
_colCount = floorf((uis_thumbScrollView.bounds.size.width - _contentInsets.left - _contentInsets.right) / btnSize);
while (1) {
_colGap = (uis_thumbScrollView.bounds.size.width - _contentInsets.left - _contentInsets.right - btnSize * _colCount) / (_colCount + 1);
if (_colGap >= _minimumColumnGap)
break;
--_colCount;
};
_rowCount = (iTotalButtons + _colCount - 1) / _colCount;
_rowGap = _colGap;
_effectiveInsets = UIEdgeInsetsMake(_contentInsets.top + _rowGap,
_contentInsets.left + _colGap,
_contentInsets.bottom + _rowGap,
_contentInsets.right + _colGap);
NSLog(@"row count:%i",_rowCount);
NSLog(@"col count:%i",_colCount);
buttonCount=0;
for (int e=0; e<iTotalButtons; e++) {
NSLog(@"e:%i",e);
ebgalleryItem = [galleryArray objectAtIndex:e];
UIImage *thumbImg = [UIImage imageNamed:ebgalleryItem.gallThumb];
UIButton *button = [UIButton buttonWithType: UIButtonTypeCustom];
CGRect frame = CGRectMake (btnSize*e+leftMargin, topSpace,
btnSize-hGutter, btnSize-vGutter );
[button setFrame: frame];
NSLog(@"added button");
//[button setBackgroundImage:thumbImg forState:UIControlStateNormal];
[button setImage:thumbImg forState:UIControlStateNormal];
[button setTitle:ebgalleryItem.gallName forState:UIControlStateNormal];
NSLog(@"%@",button.titleLabel.text);
[button addTarget: NULL action:@selector(clickOpen:) forControlEvents:UIControlEventTouchUpInside];
UILongPressGestureRecognizer *tapAndHold = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longclickOpen:)];
[tapAndHold setMinimumPressDuration:0.33];
[button addGestureRecognizer:tapAndHold];
[button setTag:e];
//[button setTag:i*_colCount+e];
NSLog(@" button tag=%i", button.tag);
button.alpha=1.0;
[[arr_Views objectAtIndex:i] addSubview:button];
NSLog(@"middle====i:%i",i);
// caption label
CGRect labelFrame = CGRectMake( btnSize*e+leftMargin, 125,
btnSize-hGutter, btnSize-vGutter );
UILabel* label = [[UILabel alloc] initWithFrame: labelFrame];
[label setFont:[UIFont fontWithName:@"Arial" size:14]];
label.numberOfLines = 0;
[label setText:ebgalleryItem.gallCaption];
[label setTextColor: [UIColor blackColor]];
[label setTextAlignment:UITextAlignmentCenter];
[label setBackgroundColor:[UIColor clearColor]];
[[arr_Views objectAtIndex:i] addSubview: label];
NSLog(@"middle2====i:%i",i);
buttonCount++;
}
// Section Title label
CGRect titleLabelFrame = CGRectMake(btnSize,0,250,50);
UILabel* titlelabel = [[UILabel alloc] initWithFrame: titleLabelFrame];
[titlelabel setFont:[UIFont fontWithName:@"Arial" size:16]];
[titlelabel setText:secTitle];
[titlelabel setTextColor: [UIColor blackColor]];
[titlelabel setTextAlignment:UITextAlignmentLeft];
[titlelabel setBackgroundColor:[UIColor clearColor]];
[[arr_Views objectAtIndex:i] addSubview: titlelabel];
NSLog(@"end====i:%i",i);
CGFloat scrollViewHeight = 0.0f;
for (UIView* view in self.uis_thumbScrollView.subviews)
{
if (!view.hidden)
{
CGFloat y = view.frame.origin.y;
CGFloat h = view.frame.size.height;
if (y + h > scrollViewHeight)
{
scrollViewHeight = h + y;
}
}
}
[self.uis_thumbScrollView setContentSize:(CGSizeMake(self.uis_thumbScrollView.frame.size.width, scrollViewHeight+74))]; //74 is space from top in IB of scroll
}
uiv_thumbView.alpha = 1.0;
}
#pragma mark Scrollview
- (void)scrollViewDidScroll:(UIScrollView *)sender {
// Update the page when more than 50% of the previous/next page is visible
CGFloat pageWidth = self.uis_thumbScrollView.frame.size.width;
int page = floor((self.uis_thumbScrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1;
self.uis_pageControl.currentPage = page;
// nslogs zoomsacle/bounds
CGRect visibleRect;
visibleRect.origin = uis_thumbScrollView.contentOffset;
visibleRect.size = uis_thumbScrollView.bounds.size;
float theScale = 1.0 / [uis_thumbScrollView zoomScale];
visibleRect.origin.x *= theScale;
visibleRect.origin.y *= theScale;
visibleRect.size.width *= theScale;
visibleRect.size.height *= theScale;
NSLog( @"Visible rect: %@", NSStringFromCGRect(visibleRect) );
}
- (IBAction)changePage {
// update the scroll view to the appropriate page
CGRect frame;
frame.origin.x = self.uis_thumbScrollView.frame.size.width * self.uis_pageControl.currentPage;
frame.origin.y = 0;
frame.size = self.uis_thumbScrollView.frame.size;
[self.uis_thumbScrollView scrollRectToVisible:frame animated:YES];
}
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView {
pageControlBeingUsed = NO;
}
- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView {
pageControlBeingUsed = NO;
}
//===================================================================
// Override to allow orientations other than the default portrait orientation.
- (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
return (interfaceOrientation == UIInterfaceOrientationLandscapeLeft | interfaceOrientation == UIInterfaceOrientationLandscapeRight);
}
- (void)didReceiveMemoryWarning {
// Releases the view if it doesn't have a superview.
[super didReceiveMemoryWarning];
// Release any cached data, images, etc that aren't in use.
}
- (void)viewDidUnload {
[self setUiv_thumbView:nil];
}
- (void)viewDidDisappear:(BOOL)animated {
}
- (void)viewWillAppear:(BOOL)animated {
[UIApplication sharedApplication].statusBarHidden = YES;
self.view.frame = [UIScreen mainScreen].applicationFrame;
CGRect frame = self.navigationController.navigationBar.frame;
frame.origin.y = 0;
self.navigationController.navigationBar.frame = frame;
[self.navigationController setNavigationBarHidden:YES animated:animated];
self.navigationController.navigationBar.translucent = YES;
}
- (void)viewWillDisappear:(BOOL)animated {
[UIApplication sharedApplication].statusBarHidden = NO;
CGRect frame = self.navigationController.navigationBar.frame;
frame.origin.y = 20.0;
self.navigationController.navigationBar.frame = frame;
}
- (void)viewDidAppear:(BOOL)animated {
[[UIApplication sharedApplication] setStatusBarHidden:YES];
[self.navigationController setNavigationBarHidden:YES animated:animated];
[self.navigationController setToolbarHidden:YES animated:YES];
[super viewDidAppear:animated];
}
//======================================================================
-(IBAction)clickOpen:(id)sender {
UIButton *tmpBtn = (UIButton*)sender;
NSLog(@"sender tag: %i", [sender tag]);
int superviewTag = [sender superview].tag;
NSLog(@"sender superview tag: %i", superviewTag);
gallDict = [gallerySections objectAtIndex:superviewTag]; // grab dict
galleryArray = [gallDict objectForKey:@"gallSectionData"]; // grab array from dict
tmpBtn.alpha = 0.6;
ebgalleryItem = [galleryArray objectAtIndex:[sender tag]];
NSLog(@"%@",ebgalleryItem.gallType);
NSLog(@"%@",ebgalleryItem.gallName);
NSLog(@"gallDict %@",gallDict);
if ([ebgalleryItem.gallType isEqualToString:@"movie"]) {
[self playMovie:ebgalleryItem.gallFilm];
} else if ([ebgalleryItem.gallType isEqualToString:@"image"]) {
[self imageViewer:sender];
} else if ([ebgalleryItem.gallType isEqualToString:@"pdf"]) {
[self viewPDF:ebgalleryItem.gallName];
} else if ([ebgalleryItem.gallType isEqualToString:@"web"]) {
[self openWeb:ebgalleryItem.gallName];
}
}
#pragma mark
#pragma mark Open Websites
- (IBAction)openWeb:(NSString*)thisWEB {
WebViewController *webViewController = [[WebViewController alloc]
initWithNibName:@"WebViewController"
bundle:nil];
[webViewController socialButton:thisWEB];
webViewController.title = thisWEB;
[self presentModalViewController:webViewController animated:YES];
}
#pragma mark
#pragma mark Image Viewer
-(void)imageViewer:(id)sender {
UIButton *tmpBtn = (UIButton*)sender;
galleryNameString = tmpBtn.titleLabel.text;
tmpBtn.alpha = 0.6;
GalleryImagesViewController *vc = [[GalleryImagesViewController alloc] initWithGallery:[Gallery galleryNamed:galleryNameString]];
[vc goToPageAtIndex:0 animated:NO];
CATransition* transition = [CATransition animation];
transition.duration = 0.33;
transition.type = kCATransitionFade;
transition.subtype = kCATransitionFromTop;
[self.navigationController.view.layer
addAnimation:transition forKey:kCATransition];
[self.navigationController pushViewController:vc animated:NO];
}
#pragma mark
#pragma mark PDF Viewer
-(void)viewPDF:(NSString*)thisPDF {
NSString *fileToOpen = [[NSBundle mainBundle] pathForResource:thisPDF ofType:@"pdf"];
NSURL *url = [NSURL fileURLWithPath:fileToOpen];
NSLog(@"%@",fileToOpen);
controller = [UIDocumentInteractionController interactionControllerWithURL:url];
[self previewDocumentWithURL:url];
}
- (IBAction) clickClose:(id)sender {
[self dismissModalViewControllerAnimated:YES];
}
- (void)previewDocumentWithURL:(NSURL*)url
{
UIDocumentInteractionController* preview = [UIDocumentInteractionController interactionControllerWithURL:url];
preview.delegate = self;
[preview presentPreviewAnimated:YES];
}
//======================================================================
- (void)documentInteractionControllerDidDismissOptionsMenu:(UIDocumentInteractionController *)controller{
}
//===================================================================
- (UIViewController *)documentInteractionControllerViewControllerForPreview:(UIDocumentInteractionController *)controller
{
return self;
}
- (UIView *)documentInteractionControllerViewForPreview:(UIDocumentInteractionController *)controller
{
return self.view;
}
- (CGRect)documentInteractionControllerRectForPreview:(UIDocumentInteractionController *)controller
{
return self.view.frame;
}
-(IBAction)longclickOpen:(UILongPressGestureRecognizer*)gesture {
if (gesture.state == UIGestureRecognizerStateBegan ) {
[self.navigationController setNavigationBarHidden:NO];
ebAppDelegate *appDelegate = (ebAppDelegate *)[[UIApplication sharedApplication] delegate];
appDelegate.isFromLongPress=YES;
//NSUInteger i = [gesture.view tag];
//galleryNameString = [appDelegate.arr_galleryData objectAtIndex:i];
NSLog(@"load %@",galleryNameString);
UIButton *btn = (UIButton*)gesture.view;
galleryNameString = btn.titleLabel.text; btn.alpha = 0.6;
//NSLog(@"Long Press");
//NSLog(@"llongclickOpen");
UIViewController *vc = [[GalleryThumbnailsViewController alloc] initWithGallery:[Gallery galleryNamed:galleryNameString]];
CATransition* transition = [CATransition animation];
transition.duration = 0.33;
transition.type = kCATransitionFade;
transition.subtype = kCATransitionFromTop;
[self.navigationController.view.layer
addAnimation:transition forKey:kCATransition];
[self.navigationController pushViewController:vc animated:NO];
}
}
-(void)playMovie:(NSString*)movieName {
NSString *url = [[NSBundle mainBundle]
pathForResource:movieName
ofType:@"m4v"];
NSLog(@"%@",movieName);
playerViewController = [[MPMoviePlayerViewController alloc]
initWithContentURL:[NSURL fileURLWithPath:url]];
[[NSNotificationCenter defaultCenter] removeObserver:playerViewController
name:MPMoviePlayerPlaybackDidFinishNotification
object:playerViewController.moviePlayer];
// Register this class as an observer instead
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(movieFinishedCallback:)
name:MPMoviePlayerPlaybackDidFinishNotification
object:playerViewController.moviePlayer];
[self.view insertSubview:playerViewController.view atIndex:50];
//---play movie---
player = [playerViewController moviePlayer];
player.controlStyle = MPMovieControlStyleFullscreen;
player.repeatMode=MPMovieRepeatModeOne;
[self presentMoviePlayerViewControllerAnimated:playerViewController];
[[UIApplication sharedApplication] setStatusBarHidden:YES];
[super viewDidLoad];
}
- (void)movieFinishedCallback:(NSNotification*)aNotification {
// Obtain the reason why the movie playback finished
NSNumber *finishReason = [[aNotification userInfo] objectForKey:MPMoviePlayerPlaybackDidFinishReasonUserInfoKey];
// Dismiss the view controller ONLY when the reason is not "playback ended"
if ([finishReason intValue] != MPMovieFinishReasonPlaybackEnded)
{
MPMoviePlayerController *moviePlayer = [aNotification object];
// Remove this class from the observers
[[NSNotificationCenter defaultCenter] removeObserver:self
name:MPMoviePlayerPlaybackDidFinishNotification
object:moviePlayer];
// Dismiss the view controller
[self dismissModalViewControllerAnimated:YES];
}
}
@end
答案 0 :(得分：1)
如果您唯一的问题是无效[self presentMoviePlayerViewControllerAnimated：YES]方法，问题是presentMoviePlayerViewControllerAnimated:需要实际的moviePlayerViewController作为参数而不是布尔值。 （假设您正在引用UIViewController类别的此方法）UIViewController MediaPlayer Additions Reference
因此，如果您通过说presentMoviePlayerViewControllerAnimated:self.moviePlayerVC替换它，它应该按预期工作。
答案 1 :(得分：0)
我不确定我理解你的问题，但如果你需要将控制器包装到某个UINavigationController，你可以这样做：
UINavigationController *navController = [[UINavigationController alloc] initWithRootViewController:myController];
navController.modalTransitionStyle = UIModalTransitionStyleCoverVertical;
navController.navigationBar.barStyle = UIBarStyleBlack;
[self presentViewController:navController animated:YES completion:^{
//
}];
稍后在任何子控制器上将具有导航层次结构。