AVAudioPlayer播放音訊檔案
阿新 • • 發佈:2019-01-23
在viewdidload 載入 [self didLoadAudioPlayer];
- (void) didLoadAudioPlayer{ NSString * musicFilePath = @"/Users/Shared/test.mp3"; //建立音樂檔案路徑 NSURL * musicURL= [[NSURL alloc] initFileURLWithPath:musicFilePath]; AVAudioPlayer * thePlayer = [[AVAudioPlayer alloc] initWithContentsOfURL:musicURL error:nil]; //建立播放器 self.player = thePlayer; //賦值給自己定義的類變數 [musicURL release]; [thePlayer release]; [player setVolume:1]; //設定音量大小 player.numberOfLoops = -1;//設定音樂播放次數 -1為一直迴圈 //用NSTimer來監控音訊播放進度 timer = [NSTimer scheduledTimerWithTimeInterval:0.1 target:self selector:@selector(playProgress) userInfo:nil repeats:YES]; } //播放進度條 - (void)playProgress { //通過音訊播放時長的百分比,給progressview進行賦值; musicProcess.progress = player.currentTime/player.duration; } //播放完成時呼叫的方法 需要設定代理才可以呼叫 - (void)audioPlayerDidFinishPlaying:(AVAudioPlayer *)player successfully:(BOOL)flag { [timer invalidate]; //NSTimer暫停 invalidate 使...無效; } - (IBAction)musicPlay:(id)sender { [player play]; AudioSessionSetActive(true); } - (IBAction)musicStop:(id)sender { [player pause]; AudioSessionSetActive(false); }