Keep 的視頻播放歡迎界面



代碼如下:




#import <AVFoundation/AVFoundation.h>

#define kLabelNumber4

@interfaceViewController()

/**

*滾動視圖

*/

@property(nonatomic,strong)UIScrollView* scrollView;

/**

*翻頁控件

*/

@property(nonatomic,strong)UIPageControl* pageControl;

/**

*定時器

*/

@property(nonatomic,strong)NSTimer* timer;

/**

*顯示的文字label

*/

@property(nonatomic,strong)UILabel* label;

/**

*label.text的相關(guān)數(shù)據(jù)

*/

@property(nonatomic,strong)NSArray* labelArray;

@property(nonatomic,strong)UIImageView* imageView;

/**

*播放音頻

*/

@property(nonatomic,strong)AVAudioSession*avaudioSession;

@property(nonatomic,strong)AVPlayer* player;

@end

@implementationViewController

- (UIImageView*)imageView

{

if(!_imageView) {

_imageView= [[UIImageViewalloc]init];

CGRectiFrame =CGRectZero;

iFrame.origin.x=self.view.center.x-50;

iFrame.origin.y=self.view.center.y-100;

iFrame.size=CGSizeMake(100,80);

_imageView.frame= iFrame;

_imageView.image= [UIImageimageNamed:@"keep6plus@3x"];

[self.viewinsertSubview:_imageViewaboveSubview:self.scrollView];

}

return_imageView;

}

- (UILabel*)label

{

if(!_label) {

self.labelArray=@[@"每個動作都精確規(guī)范",@"規(guī)劃陪伴你的訓(xùn)練過程",@"分享汗水后你的性感",@"全程記錄你的健身數(shù)據(jù)"];

for(inti =0; i

_label= [[UILabelalloc]init];

CGRectiFrame =CGRectZero;

iFrame.origin=CGPointMake(i *self.scrollView.bounds.size.width,self.scrollView.bounds.size.height/4*3);

iFrame.size=CGSizeMake(self.view.bounds.size.width,50);

_label.frame= iFrame;

_label.text=self.labelArray[i];

_label.font= [UIFontsystemFontOfSize:22];

_label.textColor= [UIColorwhiteColor];

_label.textAlignment=NSTextAlignmentCenter;

[self.scrollViewaddSubview:_label];

}

}

return_label;

}

- (NSTimer*)timer

{

if(!_timer) {

_timer= [[NSTimeralloc]init];

}

return_timer;

}

#pragma mark---------------------圖片輪播

- (UIPageControl*)pageControl

{

if(!_pageControl) {

_pageControl= [[UIPageControlalloc]initWithFrame:CGRectMake(0,self.scrollView.bounds.size.height-150,self.view.bounds.size.width,30)];

_pageControl.numberOfPages=kLabelNumber;

_pageControl.pageIndicatorTintColor= [UIColorblackColor];

_pageControl.currentPageIndicatorTintColor= [UIColorredColor];

_pageControl.userInteractionEnabled=NO;

[self.viewaddSubview:_pageControl];

}

return_pageControl;

}

//創(chuàng)建滾動視圖

- (UIScrollView*)scrollView

{

if(!_scrollView) {

_scrollView= [[UIScrollViewalloc]init];

_scrollView.frame=self.view.bounds;

_scrollView.delegate=self;

_scrollView.contentSize=CGSizeMake(kLabelNumber*_scrollView.bounds.size.width,_scrollView.bounds.size.height);

_scrollView.bounces=NO;

_scrollView.pagingEnabled=YES;

_scrollView.showsHorizontalScrollIndicator=NO;

[self.viewinsertSubview:_scrollViewatIndex:0];

}return_scrollView;

}

- (void)viewDidLoad {

[superviewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

//self.headerImageView.hidden = NO;

self.scrollView.hidden=NO;

self.pageControl.hidden=NO;

self.label.hidden=NO;

self.imageView.hidden=NO;

[selfloadTimer];

/**

*設(shè)置其他音樂軟件播放的音樂不被打斷

*/

self.avaudioSession= [AVAudioSessionsharedInstance];

NSError*error =nil;

[self.avaudioSessionsetCategory:AVAudioSessionCategoryAmbienterror:&error];

//播放視頻

NSString*filePath = [[NSBundlemainBundle]pathForResource:@"1.mp4"ofType:nil];

NSURL*sourceMovieURL = [NSURLfileURLWithPath:filePath];

AVAsset*movieAsset = [AVURLAssetURLAssetWithURL:sourceMovieURLoptions:nil];

AVPlayerItem*playerItem = [AVPlayerItemplayerItemWithAsset:movieAsset];

AVPlayer*player = [AVPlayerplayerWithPlayerItem:playerItem];

AVPlayerLayer*playerLayer = [AVPlayerLayerplayerLayerWithPlayer:player];

playerLayer.frame=self.view.layer.bounds;

playerLayer.videoGravity=AVLayerVideoGravityResizeAspect;

[self.view.layerinsertSublayer:playerLayeratIndex:0];

self.player= player;

[playerplay];

//注冊通知

[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(runLoopTheMovie:)name:AVPlayerItemDidPlayToEndTimeNotificationobject:nil];

}

#pragma mark------------------------------------循環(huán)播放

- (void)runLoopTheMovie:(NSNotification*)n{

//注冊的通知可以自動把AVPlayerItem對象傳過來,只要接收一下就OK

AVPlayerItem* p = [nobject];

//關(guān)鍵代碼(從0開始)

[pseekToTime:kCMTimeZero];

[self.playerplay];

NSLog(@"重播");

}

#pragma mark----------------------------無限輪播圖片

//加載定時器

- (void)loadTimer{

//設(shè)置定時器,使其1秒鐘切換一次,且不斷重復(fù)切換(repeats:YES)

self.timer=[NSTimerscheduledTimerWithTimeInterval:5target:selfselector:@selector(pageChanged:)userInfo:nilrepeats:YES];

//取得主循環(huán)

NSRunLoop*mainLoop=[NSRunLoopmainRunLoop];

//將其添加到運(yùn)行循環(huán)中(監(jiān)聽滾動模式)

[mainLoopaddTimer:self.timerforMode:NSRunLoopCommonModes];

}

//當(dāng)頁碼發(fā)生改變的時候調(diào)用

- (void)pageChanged:(id)sender{

//獲取當(dāng)前頁面的索引

NSIntegercurrentPage=self.pageControl.currentPage;

//獲取偏移量

CGPointoffset=self.scrollView.contentOffset;

//

if(currentPage >=kLabelNumber-1) {

//將其設(shè)置首張圖片的索引

currentPage=0;

//恢復(fù)偏移量

offset.x=0;

//DDLogVerbose(@"offset%f",offset.x);

}else{

//當(dāng)前索引+1

currentPage ++;

//設(shè)置偏移量

offset.x+=self.scrollView.bounds.size.width;

//DDLogVerbose(@"offset.x====%f",offset.x);

}

//設(shè)置當(dāng)前頁

self.pageControl.currentPage=currentPage;

//設(shè)置偏移后的位置加上動畫過度

[self.scrollViewsetContentOffset:offsetanimated:NO];

}

#pragma mark ---------UIScrollViewDelegate協(xié)議

- (void)scrollViewDidScroll:(UIScrollView*)scrollView

{

//round函數(shù)功能是四舍五入,超過父視圖的寬度的一半實(shí)現(xiàn)翻頁功能

intindex =round(scrollView.contentOffset.x/self.view.bounds.size.width);

self.pageControl.currentPage= index;

}

//設(shè)置代理方法,當(dāng)開始拖拽的時候,讓計(jì)時器停止

- (void)scrollViewWillBeginDragging:(UIScrollView*)scrollView{

//使定時器失效

[self.timerinvalidate];

}

//設(shè)置代理方法,當(dāng)拖拽結(jié)束的時候,調(diào)用計(jì)時器,讓其繼續(xù)自動滾動

- (void)scrollViewDidEndDragging:(UIScrollView*)scrollView willDecelerate:(BOOL)decelerate{

//重新啟動定時器

[selfloadTimer];

}

//ios以后隱藏狀態(tài)欄

-(BOOL)prefersStatusBarHidden{

returnYES;

}

- (UIStatusBarStyle)preferredStatusBarStyle

{

returnUIStatusBarStyleLightContent;

}

@end

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