如何在iPhone中將歌曲設置爲鬧鈴

Question

我想將iPhone中的任何歌曲設置爲鬧鈴鈴聲。我將如何訪問我的歌曲並將其設置爲鬧鐘？ 我可以增加警報時間超過40秒嗎？我的意思是我想播放完整的歌曲作爲鬧鐘鈴聲。由於

Answer 1

[保存representativeItem從集合返回給用戶信息字典

當你要播放的歌曲回來，用MPMediaQuery獲得特定歌曲播放。關於如何查詢存儲的歌曲

http://developer.apple.com/iphone/library/documentation/mediaplayer/reference/MPMediaPropertyPredicate_ClassReference/Reference/Reference.html#//apple_ref/occ/clm/MPMediaPropertyPredicate/predicateWithValue:forProperty

http://developer.apple.com/iphone/library/documentation/mediaplayer/reference/MPMediaQuery_ClassReference/Reference/Reference.html#//apple_ref/doc/uid/TP40008220

細節：

蘋果文檔的查詢數據，加上例子

Answer 2

MPMediaPickerController *picker = [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeMusic]; 

picker.delegate = self; 
picker.allowsPickingMultipleItems = NO; 
picker.prompt = NSLocalizedString (@"Select any song from the list", @"Prompt to user to choose some songs to play"); 

[self presentModalViewController: picker animated: YES]; 
[picker release];