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播放本地音頻
#import "AudioViewController.h"
#import "MyUtility.h"
#import <AVFoundation/AVFoundation.h>
@interface AudioViewController ()
{
// 音頻播放
AVAudioPlayer *_player;
// 滑塊
UISlider *_slider;
// 定時器
NSTimer *_timer;
}
@end
@implementation AudioViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 播放按鈕
UIButton *playBtn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"播放" target:self action:@selector(playAction:)];
// 暫停按鈕
UIButton *pauseBtn = [MyUtility creatBtnFrame:CGRectMake(100, 200, 80, 40) title:@"暫停" target:self action:@selector(pauseAction:)];
// 停止按鈕
UIButton *stopBtn = [MyUtility creatBtnFrame:CGRectMake(100, 300, 80, 40) title:@"停止" target:self action:@selector(stopAction:)];
[self.view addSubview:playBtn];
[self.view addSubview:pauseBtn];
[self.view addSubview:stopBtn];
// 初始化定時器
_timer = [NSTimer scheduledTimerWithTimeInterval:0.5 target:self selector:@selector(timeAction:) userInfo:nil repeats:YES];
// 創(chuàng)建滑塊對象
_slider = [[UISlider alloc] initWithFrame:CGRectMake(50, 400, 300, 20)];
[self.view addSubview:_slider];
// 添加事件
[_slider addTarget:self action:@selector(slideAction:) forControlEvents:UIControlEventValueChanged];
}
- (void)timeAction:(id)sender
{
if (_player) {
_slider.value = _player.currentTime;
}
}
- (void)dealloc
{
if (_timer) {
[_timer invalidate];
}
}
- (void)slideAction:(id)sender
{
// 滑動時, 讓音頻播放到對應的位置
if (_player) {
_player.currentTime = _slider.value;
}
}
- (void)playAction:(id)sender
{
// 播放本地音頻
NSString *path = [[NSBundle mainBundle] pathForResource:@"song" ofType:@"mp3"];
NSURL *url = [NSURL fileURLWithPath:path];
_player = [[AVAudioPlayer alloc] initWithContentsOfURL:url error:nil];
// 設(shè)置滑塊的最大值
_slider.maximumValue = _player.duration;
// 播放
[_player prepareToPlay];
[_player play];
}
- (void)pauseAction:(id)sender
{
[_player pause];
}
- (void)stopAction:(id)sender
{
[_player stop];
_player.currentTime = 0;
}
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播放視頻
#import "VideoViewController.h"
#import "MyUtility.h"
#import <MediaPlayer/MediaPlayer.h>
@interface VideoViewController ()
@property (nonatomic, strong) MPMoviePlayerViewController *moviePlayer;
@end
@implementation VideoViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 播放本地視頻按鈕
UIButton *localBtn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"本地視頻" target:self action:@selector(playLocal:)];
// 播放網(wǎng)絡視頻按鈕
UIButton *netBtn = [MyUtility creatBtnFrame:CGRectMake(100, 200, 80, 40) title:@"網(wǎng)絡視頻" target:self action:@selector(playNet:)];
[self.view addSubview:localBtn];
[self.view addSubview:netBtn];
self.view.backgroundColor = [UIColor whiteColor];
}
- (void)playLocal:(id)sender
{
// 本地路徑
NSString *path = [[NSBundle mainBundle] pathForResource:@"1" ofType:@"mp4"];
NSURL *fileUrl = [NSURL fileURLWithPath:path];
// 初始化播放對象
_moviePlayer = [[MPMoviePlayerViewController alloc] initWithContentURL:fileUrl];
// 播放
[_moviePlayer.moviePlayer prepareToPlay];
[_moviePlayer.moviePlayer play];
// 顯示
[self presentViewController:_moviePlayer animated:YES completion:nil];
}
- (void)playNet:(id)sender
{
// http://121.40.54.251:280/zhangchu/video/mp4/liangbanniuxinA.mp4
NSURL *url = [NSURL URLWithString:@"http://121.40.54.251:280/zhangchu/video/mp4/liangbanniuxinA.mp4"];
if (_moviePlayer) {
[_moviePlayer.moviePlayer stop];
_moviePlayer = nil;
}
_moviePlayer = [[MPMoviePlayerViewController alloc] initWithContentURL:url];
// 播放
[_moviePlayer.moviePlayer prepareToPlay];
[_moviePlayer.moviePlayer play];
// 顯示
[self presentViewController:_moviePlayer animated:YES completion:nil];
}
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錄音
#import "RecordViewController.h"
#import "MyUtility.h"
#import <AVFoundation/AVFoundation.h>
@interface RecordViewController ()
// 錄音
@property (nonatomic, strong) AVAudioRecorder *recoder;
@property (nonatomic, strong) AVAudioPlayer *player;
@end
@implementation RecordViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 錄音按鈕
UIButton *recordBtn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"錄音" target:self action:@selector(recordAction:)];
// 停止錄音按鈕
UIButton *stopBtn = [MyUtility creatBtnFrame:CGRectMake(100, 200, 80, 40) title:@"停止" target:self action:@selector(stopAction:)];
// 播放按鈕
UIButton *playBtn = [MyUtility creatBtnFrame:CGRectMake(100, 300, 80, 40) title:@"播放" target:self action:@selector(playAction:)];
[self.view addSubview:recordBtn];
[self.view addSubview:stopBtn];
[self.view addSubview:playBtn];
self.view.backgroundColor = [UIColor whiteColor];
}
// 獲取錄制音頻文件的路徑
- (NSString *)creatPath
{
NSString *path = [NSHomeDirectory() stringByAppendingString:@"Document/test.wav"];
NSLog(@"%@", path);
return path;
}
- (void)recordAction:(id)sender
{
// 錄音
// 1. 路徑
// 2. 屬性
NSMutableDictionary *dict = [NSMutableDictionary dictionary];
// 1) 格式
[dict setObject:[NSNumber numberWithInt:kAudioFormatLinearPCM] forKey:AVFormatIDKey];
// 2) 采樣率
[dict setObject:[NSNumber numberWithInt:1000] forKey:AVSampleRateKey];
// 3) 聲道
[dict setObject:[NSNumber numberWithInt:2] forKey:AVNumberOfChannelsKey];
// 4) 采樣位數(shù)
[dict setObject:[NSNumber numberWithInt:32] forKey:AVLinearPCMBitDepthKey];
// 5) 是否采用高位優(yōu)先的采樣方式
[dict setObject:[NSNumber numberWithBool:YES] forKey:AVLinearPCMIsBigEndianKey];
// 6) 是否采用浮點數(shù)
[dict setObject:[NSNumber numberWithBool:YES] forKey:AVLinearPCMIsFloatKey];
/*
第一個參數(shù): 錄制文件存儲的位置
第二個參數(shù): 錄制的屬性
第三個參數(shù): 錯誤信息
*/
_recoder = [[AVAudioRecorder alloc] initWithURL:[NSURL fileURLWithPath:[self creatPath]] settings:dict error:nil];
// 錄制
[_recoder prepareToRecord];
[_recoder record];
#warning 真機
AVAudioSession *session = [AVAudioSession sharedInstance];
[session setCategory:AVAudioSessionCategoryPlayAndRecord error:nil];
[session setActive:YES error:nil];
}
- (void)stopAction:(id)sender
{
[_recoder stop];
}
- (void)playAction:(id)sender
{
_player = [[AVAudioPlayer alloc] initWithContentsOfURL:[NSURL fileURLWithPath:[self creatPath]] error:nil];
[_player prepareToPlay];
[_player play];
}
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從相冊選擇圖片
#import "AlbumViewController.h"
#import "MyUtility.h"
@interface AlbumViewController () <UINavigationControllerDelegate, UIImagePickerControllerDelegate>
@end
@implementation AlbumViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 按鈕, 點擊彈出相冊選擇界面
UIButton *btn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"相冊" target:self action:@selector(showAlbum:)];
[self.view addSubview:btn];
self.view.backgroundColor = [UIColor whiteColor];
// 圖片視圖
UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(80, 200, 200, 100)];
imgView.tag = 200;
[self.view addSubview:imgView];
}
- (void)showAlbum:(id)sender
{
// 顯示相冊
UIImagePickerController *ctrl = [[UIImagePickerController alloc] init];
// 設(shè)置類型
ctrl.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
// 設(shè)置代理
ctrl.delegate = self;
// 顯示相冊
[self presentViewController:ctrl animated:YES completion:nil];
}
#pragma mark - UIImagePickerController代理
// 點擊取消按鈕調(diào)用
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
// 選中一張圖片的時候調(diào)用
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// 獲取圖片對象
UIImage *image = info[UIImagePickerControllerOriginalImage];
// 顯示出來
UIImageView *myImageView = (UIImageView *)[self.view viewWithTag:200];
myImageView.image = image;
[picker dismissViewControllerAnimated:YES completion:nil];
}
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拍照
#import "TakePhotoViewController.h"
#import "MyUtility.h"
@interface TakePhotoViewController () <UIImagePickerControllerDelegate, UINavigationControllerDelegate>
@end
@implementation TakePhotoViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 按鈕, 點擊彈出相冊選擇界面
UIButton *btn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"拍照" target:self action:@selector(takePhoto:)];
[self.view addSubview:btn];
self.view.backgroundColor = [UIColor whiteColor];
}
// 拍照
- (void)takePhoto:(id)sender
{
UIImagePickerController *ctrl = [[UIImagePickerController alloc] init];
// 設(shè)置代理
ctrl.delegate = self;
// 設(shè)置類型
ctrl.sourceType = UIImagePickerControllerSourceTypeCamera;
// 設(shè)置為拍照(跟錄視頻區(qū)分)
ctrl.cameraCaptureMode = UIImagePickerControllerCameraCaptureModePhoto;
// 顯示出來
[self presentViewController:ctrl animated:YES completion:nil];
}
#pragma mark - UIImagePickerController代理方法
- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
UIImage *image = info[UIImagePickerControllerOriginalImage];
// 存儲到相冊
UIImageWriteToSavedPhotosAlbum(image, self, nil, nil);
[picker dismissViewControllerAnimated:YES completion:nil];
}
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錄視頻
#import "VideoRecordViewController.h"
#import "MyUtility.h"
#import <AssetsLibrary/AssetsLibrary.h>
@interface VideoRecordViewController () <UINavigationControllerDelegate, UIImagePickerControllerDelegate>
@end
@implementation VideoRecordViewController
- (void)viewDidLoad {
[super viewDidLoad];
// Do any additional setup after loading the view.
// 按鈕, 點擊彈出相冊選擇界面
UIButton *btn = [MyUtility creatBtnFrame:CGRectMake(100, 100, 80, 40) title:@"??" target:self action:@selector(videoRecord:)];
[self.view addSubview:btn];
self.view.backgroundColor = [UIColor whiteColor];
}
// 錄制視頻
- (void)videoRecord:(id)sender
{
UIImagePickerController *ctrl = [[UIImagePickerController alloc] init];
// 代理
ctrl.delegate = self;
// 類型
ctrl.sourceType = UIImagePickerControllerSourceTypeCamera;
// 媒體類型
ctrl.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:UIImagePickerControllerSourceTypeCamera];
// 設(shè)置為錄視頻
ctrl.cameraCaptureMode = UIImagePickerControllerCameraCaptureModeVideo;
// 顯示
[self presentViewController:ctrl animated:YES completion:nil];
}
#pragma mark - UIImagePickerController代理方法
-(void)imagePickerControllerDidCancel:(UIImagePickerController *)picker
{
[picker dismissViewControllerAnimated:YES completion:nil];
}
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
// 獲取視頻的地址
NSURL *url = info[UIImagePickerControllerMediaURL];
// 存到相冊里
ALAssetsLibrary *library = [[ALAssetsLibrary alloc] init];
[library writeVideoAtPathToSavedPhotosAlbum:url completionBlock:^(NSURL *assetURL, NSError *error) {
NSLog(@"%@", error);
}];
[picker dismissViewControllerAnimated:YES completion:nil];
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
