Audioplayerdidfinishplaying not called dating, audioplayerdidfinishplaying not called
Question: Swift audioPlayerDidFinishPlaying method not called
Close the Assistant Editor panel and select the ViewController. Codecs and formats currently supported are as follows: For details on how to use this tool, run the following command in a Terminal window: Adding an Audio File to the Project Resources In order to experience audio playback it will be necessary to add an audio file to the project resources.
For the purposes of this tutorial we will be using an MP3 file named Moderato. Ctrl-click on the slider object and drag to a position just below the class declaration line in the Assistant Editor.
Similarly, the volume property may be used to adjust the volume level of the audio playback while the playing property may be accessed to identify whether or not the AVAudioPlayer object is currently playing audio. In addition to playing back audio, the class also provides a number of methods that can be used to control the playback in terms armata la romani-batalionul disciplinar online dating starting, stopping and changing the volume of the playback.
Templates of these methods are as follows and may be placed in the ViewController. Through the implementation of the methods defined by the AVAudioPlayerDelegate protocol, the application may also be configured to receive notifications of events related to the playback such as playback ending or an error occurring during the audio decoding process.
Play Audio and Video Using #AVFoundation #Framework in #Swift
An error object containing information about the nature of the problem is passed through to this method as an argument. Having downloaded and unzipped the file, locate it in a Finder window and drag and drop it onto the Project Navigator panel.
Having identified a suitable audio file, drag and drop it into the Project Navigator panel of the main Xcode window. Select the slider object in the view canvas, display the Assistant Editor panel and verify that the editor is displaying the contents of the ViewController.
Release the line and in the resulting connection dialog establish an outlet connection named volumeControl.
The user interface of the application will consist of play and stop buttons to control playback and a slider to adjust the playback volume level. Ctrl-click on the slider object and drag the line to the area immediately beneath the newly created actions in the Assistant Editor panel.
Keep in mind that this will need to be modified to reflect the audio file used in your own projects. Begin by launching Xcode and creating a new Universal Single View Application named AudioDemo using the Swift programming language and configured for your development team.
Creating the Audio Example Application The remainder of this chapter will work through the creation of a simple iOS application which plays an audio file.
Controlling and Monitoring Playback Once an AVAudioPlayer instance has been created the playback of audio may be controlled and monitored programmatically via the methods and properties of that instance. For this purpose, any supported audio format file will be suitable.
Ios AVAudioPlayer audioPlayerDidFinishPlaying called when the file is played second time?
Release the line and, within the resulting connection dialog, establish an Action method on the Value Changed event configured to call a method named adjustVolume.
The length of the current audio playback may be obtained via the duration property while the current point in the playback is stored in the currentTime property. Remaining in the ViewController. For example, the self-explanatory play, pause and stop methods may be used to control playback.
EXC_BAD_ACCESS after audioPlayerDidFinishPlaying: called
Since we only need to initialize the object once when the application launches a good place to write this code is in the viewDidLoad method of the ViewController.
Building and Running the Application Once all the requisite changes have been made and saved, test the application in the iOS simulator or a physical device by clicking on the run button located in the Xcode toolbar.
Adjust the volume using the slider and stop playback using the Stop button. Assuming no errors were detected, the current class is designated as the delegate for the audio player object.
Playback is automatically paused and the current audio session deactivated.
AVAudioPlayer stop not calling audioPlayerDidFinishPlaying | MacRumors Forums
Implementing the Action Methods The next step in our iOS audio player tutorial is to implement the action methods for the two buttons and the slider. Implementing the AVAudioPlayerDelegate Protocol Methods As previously discussed, by declaring our view controller as the delegate for our AVAudioPlayer instance our application will be able to receive notifications relating to the playback.
An argument passed through to the method indicates whether the playback completed successfully or failed due to an error. Once the application appears, click on the Play button to begin playback. Release the line and, within the resulting connection dialog, establish an Action method on the Touch Up Inside event configured to call a method named playAudio.
If the playback is not audible on the device, make sure that the switch on the side of the device is not set to silent mode.
Audio does not finish playing whenever I press another key - Unity Answers
Playback may also be programmed to loop back and repeatedly play a specified number of times using the numberOfLoops property. The current audio session is automatically activated and playback may be resumed by calling the play method of the corresponding AVAudioPlayer instance.
In addition, playback may be delayed to begin at a later time using the playAtTime instance method which takes as an argument the number of seconds as an NSTimeInterval value to delay before beginning playback. This performs initial buffering tasks so that there is no buffering delay when the play button is subsequently selected by the user.
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