[英]How To save Recorded audio to my app?
請幫我,我很累在stackOverflow中使用以下答案獲得答案
我的代碼是
- (IBAction)RecordBtnClicked:(UIButton *)sender {
if (sender.isSelected) {
if (!recorder.recording) {
[session setActive:YES error:nil];
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
temporaryRecFile = [prefs URLForKey:@"Test1"];
player = [[AVAudioPlayer alloc]initWithContentsOfURL:temporaryRecFile error:nil];
player.delegate = self;
player.volume = 1;
[player prepareToPlay];
[player play];
[sender setSelected:false];
}
`[recordBtn setImage:[UIImage imageNamed:@"a_recordp.png"] forState:UIControlStateSelected];
[recorder stop];
}`else{
if (player.playing) {
[player stop];
}`
if (!recorder.recording) {
[recordBtn setImage:[UIImage imageNamed:@"a_records.png"] forState:UIControlStateSelected];
NSString *documentPath = [pathComponent objectAtIndex:0];
NSString *pathTosave =[documentPath stringByAppendingPathComponent:[self fileNameForRecording]];
NSURL *url = [NSURL fileURLWithPath:pathTosave];
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
[prefs setURL:url forKey:@"test1"];
session = [AVAudioSession sharedInstance];
[session setActive:YES error:Nil];
// temporaryRecFile = [NSURL fileURLWithPath:[NSTemporaryDirectory() stringByDeletingLastPathComponent]];
[recorder record];
recordTimer = [NSTimer scheduledTimerWithTimeInterval:1 target:self selector:@selector(updateTimeInterval) userInfo:nil repeats:YES];
}
[sender setSelected:true];
[discardBtn setHidden:false];
[saveBtn setHidden:false];
}
}
我有一個按鈕在第一次點擊開始錄制,在第二次點擊停止錄制相同的按鈕,再一次點擊同一按鈕錄制第三次,我想播放相同的聲音,但沒有得到想要的文件。
temporaryRecFile = [prefs URLForKey:@"Test1"];
它給出零值? 如果我以錯誤的方式編寫代碼,請為此提供一些建議? 任何答案將不勝感激預先感謝
有時您不能依靠iOS
保存數據,您需要通過同步來強制它這樣做。
NSUserDefaults *prefs = [NSUserDefaults standardUserDefaults];
[prefs setURL:url forKey:@"test1"];
[prefs synchronize]; //this will ensure it is written to the disk
我還能給您的一個建議是拆分按鈕功能,您在此IBAction中做的太多了(錄制,停止錄制和播放)。 最好有兩個按鈕,第一個是recordOrStop()
和playOrStop()
但這只是我的觀點,因為這樣可以避免出現問題。
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