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[Platform][Android] Memory leak in default TtsHandler #117

kashesoft opened this issue Apr 8, 2019 · 3 comments


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commented Apr 8, 2019

Version and Environment
Android 5.1.1, QuadCore-A64, Snips 1.1.0 (0.61.1)

What's the issue?
If we are using default TtsHandler then SnipsPlatformClient is leaked inside TtsHandler every time we disconnect SnipsPlatformClient and remove all references to this client. Reason is that UtteranceProgressListener inside default TtsHandler retains reference to our SnipsPlatformClient and TtsHandler does not call TextToSpeech.shutdown at all.

How to reproduce
We need to connect, resume, pause and disconnect our SnipsPlatformClient and profile memory with Android Studio memory profiler.

Expected behavior
TtsHandler should call TextToSpeech.shutdown in order to release resources and prevent memory leak.

We need to use custom TtsHandler and call TextToSpeech.shutdown every time we disconnect and remove reference to SnipsPlatformClient in order to prevent memory leak.


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commented Apr 11, 2019

Good catch ! We'll have a fix in next version


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commented Apr 23, 2019

any news on this issue ?.
i'm also still having TTS problems on my android app, the "Not Bound to TTS engine" or "TTS was asked to disconnect from googleTTS" message still showing randomly, and i cannot reproduce the issue...

@cpoisson cpoisson added this to the Snips Flow - Next milestone May 14, 2019


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commented May 14, 2019

A fix is planned on the coming releases.

@cpoisson cpoisson changed the title Memory leak in default TtsHandler [Platform][Android] Memory leak in default TtsHandler May 14, 2019

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