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//  ViewController.m//  UIImagePickerController//  Created by Kenshin Cui on 14/04/05.//  Copyright (c) 2014年 cmjstudio. All rights reserved.//AVFoundation.framework//MediaPlayer.framework//MobileCoreSevices.framework#import "ViewController.h"#import <MobileCoreServices/MobileCoreServices.h>#import <AVFoundation/AVFoundation.h> ViewController ()<UIImagePickerControllerDelegate,UINavigationControllerDelegate>@property (assign,nonatomic) int isVideo;//是否录制视频，如果为1表示录制视频，0代表拍照@property (strong,nonatomic) UIImagePickerController *imagePicker;@property (weak, nonatomic) IBOutlet UIImageView *photo;//照片展示视图@property (strong ,nonatomic) AVPlayer *player;//播放器，用于录制完视频后播放视频@end@implementation ViewController#pragma mark - 控制器视图事件- (void)viewDidLoad {     [super viewDidLoad];    //通过这里设置时拍照还是录制视频    _isVideo=YES;}#pragma mark - UI事件//点击拍照按钮- (IBAction)takeClick:(UIButton *)sender {     [self presentViewController:self.imagePicker animated:YES completion:nil];}#pragma mark - UIImagePickerController代理方法//完成-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info{     NSString *mediaType=[info objectForKey:UIImagePickerControllerMediaType];    if ([mediaType isEqualToString:(NSString *)kUTTypeImage]) {//如果时拍照        UIImage *image;        //如果允许编辑则获得编辑后的照片，否则获取原始照片        if (self.imagePicker.allowsEditing) {             image=[info objectForKey:UIImagePickerControllerEditedImage];//获取编辑后的照片        }else{             image=[info objectForKey:UIImagePickerControllerOriginalImage];//获取原始照片        }        [self.photo setImage:image];//显示照片        UIImageWriteToSavedPhotosAlbum(image, nil, nil, nil);//保存到相簿    }else if([mediaType isEqualToString:(NSString *)kUTTypeMovie]){//如果是录制视频        NSLog(@"video...");        NSURL *url=[info objectForKey:UIImagePickerControllerMediaURL];//视频路径        NSString *urlStr=[url path];        if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(urlStr)) {             //保存视频到相簿，注意也可以使用ALAssetsLibrary来保存            UISaveVideoAtPathToSavedPhotosAlbum(urlStr, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);//保存视频到相簿        }            }    [self dismissViewControllerAnimated:YES completion:nil];}-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker{     NSLog(@"取消");}#pragma mark - 私有方法-(UIImagePickerController *)imagePicker{     if (!_imagePicker) {         _imagePicker=[[UIImagePickerController alloc]init];        _imagePicker.sourceType=UIImagePickerControllerSourceTypeCamera;//设置image picker的来源，这里设置为摄像头        _imagePicker.cameraDevice=UIImagePickerControllerCameraDeviceRear;//设置使用哪个摄像头，这里设置为后置摄像头        if (self.isVideo) {             _imagePicker.mediaTypes=@[(NSString *)kUTTypeMovie];            _imagePicker.videoQuality=UIImagePickerControllerQualityTypeIFrame1280x720;            _imagePicker.cameraCaptureMode=UIImagePickerControllerCameraCaptureModeVideo;//设置摄像头模式（拍照，录制视频）                    }else{             _imagePicker.cameraCaptureMode=UIImagePickerControllerCameraCaptureModePhoto;        }        _imagePicker.allowsEditing=YES;//允许编辑        _imagePicker.delegate=self;//设置代理，检测操作    }    return _imagePicker;}//视频保存后的回调- (void)video:(NSString *)videoPath didFinishSavingWithError:(NSError *)error contextInfo:(void *)contextInfo{     if (error) {         NSLog(@"保存视频过程中发生错误，错误信息:%@",error.localizedDescription);    }else{         NSLog(@"视频保存成功.");        //录制完之后自动播放        NSURL *url=[NSURL fileURLWithPath:videoPath];        _player=[AVPlayer playerWithURL:url];        AVPlayerLayer *playerLayer=[AVPlayerLayer playerLayerWithPlayer:_player];        playerLayer.frame=self.photo.frame;        [self.photo.layer addSublayer:playerLayer];        [_player play];            }}@end