Android Question Soundpool doesn't play

Kevin Moloney said:

Note: I've confirmed that Ringo6.wav is in DirAssets. This is the entire code:

B4X:

#Region  Activity Attributes
    #FullScreen: False
    #IncludeTitle: True
#End Region

Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.
    Private xui As XUI
End Sub

Sub Globals
    'These global variables will be redeclared each time the activity is created.
    Public sp As SoundPool
End Sub

Sub Activity_Create(FirstTime As Boolean)
    Activity.LoadLayout("Layout")
End Sub

Sub Activity_Resume

End Sub

Sub Activity_Pause (UserClosed As Boolean)

End Sub

Sub Button1_Click
    xui.MsgboxAsync("Hello world!", "B4X")
    sp.Initialize(1)
   
    Dim LoadID As Int
    Dim NewLoad As Int
   
    LoadID=sp.Load(File.DirAssets,"Ring06.wav")
    'MsgboxAsync(LoadID,"LoadID")
   
    NewLoad=sp.Play(LoadID,1,1,1,1,1)
    'MsgboxAsync(NewLoad,"NewLoad")
   
End Sub

Click to expand...

    LoadId=sp.Load(File.DirAssets,"Ring06.wav")
    Msgbox(LoadId,"LoadId when Loading")
    Log("LoadID is :" & LoadId)
    
    NewLoad=sp.Play(LoadId,1,1,1,1,1)
    Log("NewLoad is: " & NewLoad)

JordiCP said:

If I recall correctly (from an app I made years ago), sound files loading is not immediate. It can take perhaps a few miliseconds, probably depending on the file size.
That's the reason why loading and immediately playing won't work in some cases, but loading + msgbox or even loading at Service_Start before the activity is created, will work. At least it is how I understood it.

If there aren't too many sounds to be played, I'd simply load them all at start, and make sure that a minimum time has passed before playing them (I guess that Sleep(100) should be more than enough).

Click to expand...

walt61 said:

No prob, you're welcome and happy to help! It behaves the same over here, but if I move the soundpool and the wav loading to the Starter service, it works - see attached project

EDIT: no idea why, in case you would want to ask that

Click to expand...

• According to HERE, SoundPool should be declared in Process Globals (I guess Starter's Globals are also such).
• Depending on the file size/format, it will need a small delay.

JordiCP said:

If I recall correctly (from an app I made years ago), sound files loading is not immediate. It can take perhaps a few miliseconds, probably depending on the file size.
That's the reason why loading and immediately playing won't work in some cases, but loading + msgbox or even loading at Service_Start before the activity is created, will work. At least it is how I understood it.

If there aren't too many sounds to be played, I'd simply load them all at start, and make sure that a minimum time has passed before playing them (I guess that Sleep(100) should be more than enough).

Click to expand...