> #import <AVFoundation/AVFoundation.h>
> #import <MediaPlayer/MediaPlayer.h> // 获取音量需要导入
> #import <AudioToolbox/AudioToolbox.h>// 将短音频注册到系统声音服务(SystemSoundService), 音效框架
> #import <Social/Social.h>// 本地新浪分享
- (void)viewDidLoad{
[super viewDidLoad];
// 闪烁效果动画 view 层
self.flashView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, HEIGHT, WIDTH)];
self.flashView.backgroundColor = [UIColor whiteColor];
[self addSubview:self.flashView];
[self.flashView setAlpha:0];
}
// 截图执行方法, 为了调出截图方法, 将方法单独写在外面, 由点击button调用,接口声明出去,调到 vc 中去执行摇一摇方法.
- (void)screenShotAction{
// 屏幕闪烁方法
[self.flashView setAlpha:1];
//开始动画
[UIView beginAnimations:@"flash screen" context:nil];
//动画时间
[UIView setAnimationDuration:0.3f];
//动画效果枚举值 淡入淡出动画
[UIView setAnimationCurve:UIViewAnimationCurveEaseInOut];
//将闪烁view的透明度变为 透明
[self.flashView setAlpha:0.0f];
//结束动画
[UIView commitAnimations];
/* indicates the current rate of playback; 0.0 means "stopped", 1.0 means "play at the natural rate of the current item" */
// 视频播放进度状态改为 0 ,防止截图时, 视频流媒体还在进行
self.moviePlayer.rate = 0;
// 视频暂停(光有暂停会出现截图现在但是往后推迟两秒的截图)
[self.moviePlayer pause];
NSURL* Url = [NSURL URLWithString:self.urlForPlayer];
// 获取视频当前进度时间
CGFloat current = CMTimeGetSeconds(self.moviePlayer.currentTime);
CMTime time = CMTimeMake(current,1);
//调用音效
[self playSoundEffect:@"shot.mp3"];
pragma mark -- 将类方法写入方法中, 由于类方法中不能有实例变量, 所以将类方法直接放入方法中
//视频资源
AVURLAsset *asset = [[AVURLAsset alloc] initWithURL:Url options:nil];
//视频资源截图工具
AVAssetImageGenerator *gen = [[AVAssetImageGenerator alloc] initWithAsset:asset];
asset = nil;
/** 注意:防止截图为反向 appliesPreferredTrackTransform这个属性，默认是false（Objective-C中为NO），只要将其设置为true，在进行截图就会发现，方向正常了。*/
gen.appliesPreferredTrackTransform = YES;
NSError *error =nil;
//缩略图实际生成的时间(当前时间)
CMTime actualTime;
//获取time处的视频截图( 指定时间 )
CGImageRef image = [gen copyCGImageAtTime:time actualTime:&actualTime error:&error];
if (error) {
NSLog(@"截取视频图片失败:%@",error.localizedDescription);
}
//显示当前时间
CMTimeShow(actualTime);
gen = nil;
//将CGImageref转换成UIImage
self.thumb =[[UIImage alloc] initWithCGImage:image];
//保存截图
// UIImageWriteToSavedPhotosAlbum(self.thumb,nil, nil,nil);
/**
* 注意: 最后必须要调用这个函数，否则会造成内存泄露
* ARC does not manage C-types, of which CGImage may be considered. You must release the ref manually when you are finished with CGImageRelease(image);
*/
CGImageRelease(image);
NSLog(@"视频截取成功");
// 获取响应者链,找到下层 vc 弹出截图 vc 添加照片
id object = [self nextResponder];
while (![object isKindOfClass:[SDP_PlayerViewController class]]) {
object = [object nextResponder];
}
//获取播放器 vc 层
SDP_PlayerViewController *VCForPlayer = (SDP_PlayerViewController *)object;
NSLog(@"%@", VCForPlayer);
// 截图层 vc
self.screenShot = [[SDP_ScreeenShot alloc]init];
// 截取图片
UIImageView *imagefff =[[UIImageView alloc] initWithImage:self.thumb];
imagefff.frame = [UIScreen mainScreen].bounds;
imagefff.frame = CGRectMake(40, 20, [UIScreen mainScreen].bounds.size.width - 80, [UIScreen mainScreen].bounds.size.height - 80);
/** 截图图片尺寸/图片填充方法*/
imagefff.contentMode = UIViewContentModeScaleAspectFill;
// 覆盖的部分被截取掉
imagefff.clipsToBounds = YES;
//将图片放到 截图 VC
[self.screenShot.view addSubview:imagefff];
// 取消 button
UIButton *buttonForCancle = [UIButton buttonWithType:UIButtonTypeCustom];
[buttonForCancle setImage:[UIImage imageNamed:@"cancle"] forState:UIControlStateNormal];
[buttonForCancle addTarget:self action:@selector(BackAction:) forControlEvents:UIControlEventTouchUpInside];
buttonForCancle.frame = CGRectMake(WIDTH/3.3, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:buttonForCancle];
// 分享 button
/**
* 新浪
*/
self.buttonForShareSina = [UIButton buttonWithType:UIButtonTypeCustom];
[self.buttonForShareSina setImage:[UIImage imageNamed:@"sina"] forState:UIControlStateNormal];
[self.buttonForShareSina addTarget:self action:@selector(ShareSinaAction:) forControlEvents:UIControlEventTouchUpInside];
self.buttonForShareSina.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:self.buttonForShareSina];
/**
* 微信
*/
self.buttonForShareWeChat = [UIButton buttonWithType:UIButtonTypeCustom];
[self.buttonForShareWeChat setImage:[UIImage imageNamed:@"Wechat"] forState:UIControlStateNormal];
[self.buttonForShareWeChat addTarget:self action:@selector(shareAction:) forControlEvents:UIControlEventTouchUpInside];
self.buttonForShareWeChat.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:self.buttonForShareWeChat];
/**
* 朋友圈
*/
self.buttonForShareFriend = [UIButton buttonWithType:UIButtonTypeCustom];
[self.buttonForShareFriend setImage:[UIImage imageNamed:@"friend"] forState:UIControlStateNormal];
[self.buttonForShareFriend addTarget:self action:@selector(shareAction:) forControlEvents:UIControlEventTouchUpInside];
self.buttonForShareFriend.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:self.buttonForShareFriend];
self.buttonForShareShot = [UIButton buttonWithType:UIButtonTypeCustom];
[self.buttonForShareShot setImage:[UIImage imageNamed:@"shotForShare"] forState:UIControlStateSelected];
[self.buttonForShareShot setImage:[UIImage imageNamed:@"shotForShare"] forState:UIControlStateNormal];
[self.buttonForShareShot addTarget:self action:@selector(shareAction:) forControlEvents:UIControlEventTouchUpInside];
self.buttonForShareShot.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:self.buttonForShareShot];
// 确认保存
UIButton *buttonForSure = [UIButton buttonWithType:UIButtonTypeCustom];
[buttonForSure setImage:[UIImage imageNamed:@"shotForSure"] forState:UIControlStateNormal];
[buttonForSure addTarget:self action:@selector(SaveShot:) forControlEvents:UIControlEventTouchUpInside];
buttonForSure.frame = CGRectMake(WIDTH/1.65, HEIGHT - 60, 60, 60);
[self.screenShot.view addSubview:buttonForSure];
// 模态推出透明的 vc
VCForPlayer.definesPresentationContext = YES; // VCForPlayer is presenting view controller
self.screenShot.view.backgroundColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:0.5];
self.screenShot.modalPresentationStyle = UIModalPresentationOverCurrentContext;
//模态推出截图
[VCForPlayer presentViewController:self.screenShot animated:YES completion:^{
}];
}
pragma mark 取消截图
- (void)BackAction:(UIButton *)button{
[self.screenShot dismissViewControllerAnimated:YES completion:^{
// 播放状态变为暂停, 播放键状态为暂停
self.buttonForPlay.selected = YES;
}];
}
pragma mark 保存截图
- (void)SaveShot:(UIButton *)button{
//保存截图到相册
UIImageWriteToSavedPhotosAlbum(self.thumb,nil, nil,nil);
NSLog(@"视频截取成功");
[self.screenShot dismissViewControllerAnimated:YES completion:^{
// 播放状态变为暂停, 播放键状态为暂停
self.buttonForPlay.selected = YES;
}];
}
pragma mark 截图后分享的实现方法
- (void)shareAction:(UIButton *)button{
button.selected = !button.selected;
if (button.selected) {
[UIView animateWithDuration:0.5 animations:^{
// 微信
self.buttonForShareWeChat.frame = CGRectMake(WIDTH/1.8, HEIGHT - 120, 60, 60);
}];
[UIView animateWithDuration:0.3 animations:^{
// 新浪
self.buttonForShareSina.frame = CGRectMake(WIDTH/2.8, HEIGHT - 120, 60, 60);
}];
[UIView animateWithDuration:0.4 animations:^{
// 微信朋友圈
self.buttonForShareFriend.frame = CGRectMake(WIDTH/2.2, HEIGHT - 160, 60, 60);
}];
}else{
[UIView animateWithDuration:0.3 animations:^{
// 归到最开始
self.buttonForShareWeChat.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
self.buttonForShareSina.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
self.buttonForShareFriend.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
}];
}
}
// 微博分享
- (void)ShareSinaAction:(UIButton *)button{
// 点击微博分享后, 按键收回
[UIView animateWithDuration:0.3 animations:^{
// 归到最开始
self.buttonForShareWeChat.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
self.buttonForShareSina.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
self.buttonForShareFriend.frame = CGRectMake(WIDTH/2.2, HEIGHT - 60, 60, 60);
}];
// 1.判断平台是否可用(系统没有集成,用户设置账号)
if (![SLComposeViewController isAvailableForServiceType:SLServiceTypeSinaWeibo]) {
NSLog(@"设置界面设置自己的账号");
NSURL *url = [NSURL URLWithString:@"prefs:root="];
if ([[UIApplication sharedApplication] canOpenURL:url])
{
[[UIApplication sharedApplication] openURL:url];
}
return;
}
// 2.创建分享控制器
SLComposeViewController *composeVc = [SLComposeViewController composeViewControllerForServiceType:SLServiceTypeSinaWeibo];
// 视频主题 + 视频连接 + 视频描述(开眼提供了微博正好的字数)
NSString *strForText = [NSString stringWithFormat:@"［%@］:%@ %@", self.labelForMovieTitle.text,self.movieDescription, self.urlForPlayer ];
// 2.1.添加分享的文字 添加的为每个item的标题
[composeVc setInitialText:strForText];
// 2.2.添加分享的图片, item 的图片
[composeVc addImage:self.thumb];
// 3.弹出控制器进行分享
[self.screenShot presentViewController:composeVc animated:YES completion:nil];
// 4.设置监听发送结果
composeVc.completionHandler = ^(SLComposeViewControllerResult reulst) {
if (reulst == SLComposeViewControllerResultDone) {
NSLog(@"用户发送成功");
} else {
NSLog(@"用户发送失败");
}
};
}
pragma mark -截图音效
/* 音效播放完成的回调函数，这个是C语言函数，第一个参数是音效ID，第二个是万能参数 */
void soundCompleteCallBack(SystemSoundID soundID, void *clientData){
NSLog(@"播放完成");
}
- (void)playSoundEffect:(NSString *)name {
//获取音效文件路径
NSString *filePath = [[NSBundle mainBundle] pathForResource:name ofType:nil];
//创建音效文件URL
NSURL *fileUrl = [NSURL URLWithString:filePath];
//音效声音的唯一标示ID
SystemSoundID soundID = 0;
//将音效加入到系统音效服务中，NSURL需要桥接成CFURLRef，会返回一个长整形ID，用来做音效的唯一标示
AudioServicesCreateSystemSoundID((__bridge CFURLRef)(fileUrl), &soundID);
//设置音效播放完成后的回调C语言函数
AudioServicesAddSystemSoundCompletion(soundID,NULL,NULL,soundCompleteCallBack,NULL);
//开始播放音效
AudioServicesPlaySystemSound(soundID);
}
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