iOS项目日志 - 音乐播放器
首先上效果图
代码如下：
#import "DSNMusicTableViewController.h"
#import "DSNMusicModel.h"
#import "DSNPlayingViewController.h"
@interface DSNMusicTableViewController ()
@property (nonatomic,strong)NSArray *musics;
@end
@implementation DSNMusicTableViewController
-(NSArray *)musics
{
if (!_musics) {
NSString *path = [[NSBundle mainBundle]pathForResource:@"musics.plist" ofType:nil];
NSArray *arr = [NSArray arrayWithContentsOfFile:path];
NSMutableArray *arrM = [NSMutableArray arrayWithCapacity:arr.count];
for(NSDictionary *dic in arr){
DSNMusicModel *model = [DSNMusicModel musicWithDic:dic];
[arrM addObject:model];
}
_musics = [arrM copy];
}
return _musics;
}
- (void)viewDidLoad {
[super viewDidLoad];
self.tableView.rowHeight = 80;
// Uncomment the following line to preserve selection between presentations.
// self.clearsSelectionOnViewWillAppear = NO;
// Uncomment the following line to display an Edit button in the navigation bar for this view controller.
// self.navigationItem.rightBarButtonItem = self.editButtonItem;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
return self.musics.count;
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
static NSString *identifier = @"cell";
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
if (!cell) {
cell = [[UITableViewCell alloc]initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:identifier];
}
DSNMusicModel *model = self.musics[indexPath.row];
cell.textLabel.text = model.singer;
cell.detailTextLabel.text = model.name;
cell.imageView.frame = CGRectMake(10, 0, 30, 30);
cell.imageView.image = [UIImage imageNamed:model.singericon];
cell.imageView.layer.masksToBounds = YES;
cell.imageView.layer.cornerRadius = 40;
cell.imageView.layer.borderColor = [UIColor greenColor].CGColor;
cell.imageView.layer.borderWidth = 2;
return cell;
}
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
DSNPlayingViewController *plaVC = [self.storyboard instantiateViewControllerWithIdentifier:@"playID"];
[self.navigationController showViewController:plaVC sender:nil];
DSNMusicModel *model = self.musics[indexPath.row];
plaVC.icon = model.icon;
plaVC.total = model.time;
plaVC.name = model.name;
plaVC.singer = model.singer;
}
#import "DSNPlayingViewController.h"
#import "DSNMusicModel.h"
#import <AVFoundation/AVFoundation.h>
@interface DSNPlayingViewController ()
@property (weak, nonatomic) IBOutlet UIButton *playButton;
@property (weak, nonatomic) IBOutlet UILabel *singerNameLabel;
@property (weak, nonatomic) IBOutlet UILabel *songNameLabel;
@property(nonatomic,strong)NSArray *musics;
@property (nonatomic,assign)int currentIndex;
@property (nonatomic,strong)AVAudioPlayer *player;
- (IBAction)playBTNClick:(UIButton *)sender;
@end
@implementation DSNPlayingViewController
{
int flag;
CADisplayLink *link ;
}
-(NSArray *)musics{
if (!_musics) {
NSString *path = [[NSBundle mainBundle]pathForResource:@"musics.plist" ofType:nil];
NSArray *arr = [NSArray arrayWithContentsOfFile:path];
NSMutableArray *arrM = [NSMutableArray arrayWithCapacity:arr.count];
for(NSDictionary *dic in arr){
DSNMusicModel *model = [DSNMusicModel musicWithDic:dic];
[arrM addObject:model];
}
_musics = [arrM copy];
}
return _musics;
}
- (IBAction)play {
// CADisplayLink *link = nil;
flag+=1;
if (flag%2==1) {
[self.player play];
dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1.0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
link = [CADisplayLink displayLinkWithTarget:self selector:@selector(transformCircle)];
[link addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
[UIView animateWithDuration:1.0 animations:^{
self.playButton.transform = CGAffineTransformRotate(self.playButton.transform, M_PI_4);
}];
});
}else if(flag %2 == 0){
[self.player pause];
[link invalidate];
[UIView animateWithDuration:1.0 animations:^{
self.playButton.transform = CGAffineTransformRotate(self.playButton.transform, -M_PI_4);
}];
}
}
- (IBAction)back {
[self.player stop];
// [link invalidate];
self.currentIndex--;
if (self.currentIndex == self.musics.count) {
self.currentIndex = 0;
}
[self.player play];
}
- (IBAction)forward {
[self.player stop];
self.currentIndex ++;
if (self.currentIndex == 0) {
self.currentIndex = (int)self.musics.count;
}
[self.player stop];
}
- (void)viewDidLoad {
[super viewDidLoad];
NSURL *url = [[NSBundle mainBundle]URLForResource:self.name withExtension:@".mp3"];
self.player = [[AVAudioPlayer alloc]initWithContentsOfURL:url error:nil];
self.currentIndex = 0;
[self initSubviews];
// Do any additional setup after loading the view.
}
-(void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender
{
if ([segue.identifier isEqualToString:@"back"]) {
[self.player stop];
}
}
-(void)transformCircle{
self.singerView.transform = CGAffineTransformRotate(self.singerView.transform, M_PI_2/100);
}
-(void)initSubviews
{
self.singerView.layer.cornerRadius = 100;
self.singerView.layer.masksToBounds = YES;
self.singerView.layer.borderColor = [UIColor blackColor].CGColor;
self.singerView.layer.borderWidth = 30;
self.singerView.image = [UIImage imageNamed:self.icon];
self.totalTime.text = self.total;
self.singerNameLabel.text = self.singer;
self.songNameLabel.text = self.name;
self.playButton.transform = CGAffineTransformRotate(self.playButton.transform, -M_PI_4);
NSTimer *timer = [NSTimer timerWithTimeInterval:1.0 target:self selector:@selector(updatePro) userInfo:nil repeats:YES];
[[NSRunLoop mainRunLoop]addTimer:timer forMode:NSRunLoopCommonModes];
}
-(void)updatePro{
NSString *xiaoshi= [self.total substringToIndex:1];
NSString *fenzhong = [self.total substringToIndex:2];
int t = [xiaoshi intValue] *60 + [fenzhong intValue];
self.barProgress.progress = self.player.currentTime/t;
int currentFenzhong = (int)self.player.currentTime % 60;
int currentXiaoshi = (int)self.player.currentTime /60;
self.currentTime.text = [NSString stringWithFormat:@"0%d:%d",currentXiaoshi,currentFenzhong];;
}
- (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
-(instancetype)initWithDic:(NSDictionary *)dic
{
if (self = [super init]) {
[self setValuesForKeysWithDictionary:dic];
}
return self;
}
+(instancetype)musicWithDic:(NSDictionary *)dic
{
return [[self alloc]initWithDic:dic];
}
