diff options
| -rw-r--r-- | Xamarin.Forms.Platform.Android/Forms.cs | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/Xamarin.Forms.Platform.Android/Forms.cs b/Xamarin.Forms.Platform.Android/Forms.cs index 2699241f..62e07f22 100644 --- a/Xamarin.Forms.Platform.Android/Forms.cs +++ b/Xamarin.Forms.Platform.Android/Forms.cs @@ -361,13 +361,20 @@ namespace Xamarin.Forms public void StartTimer(TimeSpan interval, Func<bool> callback) { Timer timer = null; - TimerCallback onTimeout = o => BeginInvokeOnMainThread(() => + bool invoking = false; + TimerCallback onTimeout = o => { - if (callback()) - return; - - timer.Dispose(); - }); + if (!invoking) + { + invoking = true; + BeginInvokeOnMainThread(() => + { + if (!callback()) + timer.Dispose(); + invoking = false; + }); + } + }; timer = new Timer(onTimeout, null, interval, interval); } |