由於暫停按鈕被暫停音頻文件,所以時間無效以暫停更新視圖。重新啓動計時器
-(void)playpauseAction:(id)sender
{
if
([audioPlayer isPlaying]){
[sender setImage:[UIImage imageNamed:@"play.png"] forState:UIControlStateSelected];
[audioPlayer pause];
[timer invalidate];
} else {
[sender setImage:[UIImage imageNamed:@"pause.png"] forState:UIControlStateNormal];
[audioPlayer play];
self.timer = [NSTimer scheduledTimerWithTimeInterval:11 target:self selector:@selector(displayviewsAction:) userInfo:nil repeats:NO];
}
}
- (void)displayviewsAction:(id)sender
{
FirstViewController *viewController = [[FirstViewController alloc] init];
viewController.view.frame = CGRectMake(0, 0, 320, 480);
[self.view addSubview:viewController.view];
[self.view addSubview:toolbar];
self.timer = [NSTimer scheduledTimerWithTimeInterval:23 target:self selector:@selector(secondViewController) userInfo:nil repeats:NO];
[viewController release];
}
-(void)secondViewController {
SecondViewController *secondController = [[SecondViewController alloc] init];
secondController.view.frame = CGRectMake(0, 0, 320, 480);
[self.view addSubview:secondController.view];
[self.view addSubview:toolbar];
self.timer = [NSTimer scheduledTimerWithTimeInterval:27 target:self selector:@selector(ThirdviewController) userInfo:nil repeats:NO];
[secondController release];
}
它是這樣的多個視圖。根據應用程序邏輯,用戶可以在任何視圖上點擊暫停以暫停音頻文件,定時器無效語句也會暫停視圖更新。當用戶再次暫停以恢復音頻文件時,它應該從該點開始更新視圖。所以,我遇到的問題是如何重新啓動計時器,以便不管用戶在哪個視圖中暫停,都會繼續更新視圖。
Anyideas我該怎麼做。
在每個視圖中定時器不是恆定的,它會變化 – user1120133 2012-02-25 20:07:26
@ user1120133所以添加我在上面發佈的每個視圖中的方法,並解決您的問題。 – 0xDE4E15B 2012-02-25 20:09:26