#pragma mark - 播放原wav
- (IBAction)playWav:(id)sender {
UIButton *btn = (UIButton *)sender;
ChatMessageInfo *info = [self.dataArray objectAtIndex:btn.tag];
NSString *fileName = info.localPath;
self.soundBtn = btn;
// 当本地没有的时候，去下载
if (fileName.length == 0) {
[self downloadVoice:info];
}
if (fileName.length > 0)
{
if (![fileName isEqualToString:tempFileName])
{
if (currentPlayer) {
if ([currentPlayer isPlaying]) {
[currentPlayer stop];
[currentPlayer setCurrentTime:0.0];
}
}
self.player = [self.player initWithContentsOfURL:[NSURL URLWithString:fileName] error:nil];
self.player.delegate = self;
currentPlayer = self.player;
}
tempFileName = fileName;
if ([self.player isPlaying])
{
[self.player stop];
[self.player setCurrentTime:0.0];
playIndex = -1;
[soundTimer setFireDate:[NSDate distantFuture]];
}else
{
[self.player play];
info.isPlay = YES;
playIndex = btn.tag;
}
}
[selfupdateVoicePlayState];
}
-(void)updateVoicePlayState
{
for (int i = 0; i< self.dataArray.count; i++) {
ChatMessageInfo *info = [self.dataArray objectAtIndex:i];
if (i == playIndex) {
info.isPlay = YES;
}else{
info.isPlay = NO;
}
}
[self.tableViewreloadData];
}
-(void)updateMeter
{
if (!soundTimer) {
// soundTimer = [NSTimer scheduledTimerWithTimeInterval:0.2f target:self selector:@selector(updateSound) userInfo:Nil repeats:YES];
soundTimer = [NSTimertimerWithTimeInterval:0.2ftarget:selfselector:@selector(updateSound) userInfo:Nilrepeats:YES];
[[NSRunLoopcurrentRunLoop] addTimer:soundTimerforMode:NSRunLoopCommonModes];
}
[soundTimersetFireDate:[NSDatedistantPast]];
}
-(void)updateSound
{
NSIndexPath *_path = [NSIndexPathindexPathForItem:playIndexinSection:0];
IMVoiceCell *cell = (IMVoiceCell *)[self.tableViewcellForRowAtIndexPath:_path];
self.soundBtn = cell.soundBtn;
TTLog(@".......................%d",self.soundBtn.tag);
switch (soundCount)
{
case 0:
{
[self.soundBtnsetImage:[UIImageimageNamed:@"celebrity_chatto_voice_playing_f1.png"] forState:UIControlStateNormal];
break;
}
case 1:
{
[self.soundBtnsetImage:[UIImageimageNamed:@"celebrity_chatto_voice_playing_f2.png"] forState:UIControlStateNormal];
break;
}
default:
{
[self.soundBtnsetImage:[UIImageimageNamed:@"celebrity_chatto_voice_playing_f3.png"] forState:UIControlStateNormal];
break;
}
}
soundCount ++;
if (soundCount > 3) {
soundCount = 0;
}
}
if (!info.isPlay) {
[voiceCell.soundBtnsetImage:[UIImageimageNamed:@"celebrity_chatto_voice_playing.png"] forState:UIControlStateNormal];
}else{
[self updateMeter];
}
reloaddata,btn,info,play,timer,
原文：http://www.cnblogs.com/guligei/p/3531071.html