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POText To Speech app UI is slow android
 

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    <p>In my app I am using TTS. I have 20 different activities which are changed when the user swipe left or right. According the activity, a text is spoken. I am executing tts with separate thread and activity selection is done with main thread. But the problem is very slow, the UI feels slugish. When I swipe left or right, once tts is finished speaking the text, the activity changes which shouldn't happen because I am using separate thread for tts. Here is the codE:</p> <p><em>TTS class:</em></p> <pre><code>public class textToSpeech { TextToSpeech tts=null; public textToSpeech(Context con) { tts = new TextToSpeech(con,new TextToSpeech.OnInitListener() { @Override public void onInit(int status) { if(status != TextToSpeech.ERROR) // initialization me error to nae ha { tts.setPitch(1.1f); // saw from internet tts.setSpeechRate(0.4f); // f denotes float, it actually type casts 0.5 to float tts.setLanguage(Locale.US); } } }); } public void SpeakText (String text) { tts.speak(text, TextToSpeech.QUEUE_FLUSH, null); // TextToSpeech.QUEUE_FLUSH forces the app to stop all the sounds that are currently playing before speaking this text } public void stopSpeak() { tts.stop(); } </code></pre> <p><em>Gesture Reader Class: (separate class)</em></p> <pre><code>public void decideAlphabet() { tts.stopSpeak(); threadForTTS.start(); switch (i) { case 0: activities=null; activities = new Intent(contxt,A.class); contxt.startActivity(activities); break; case 1: activities=null; activities = new Intent(contxt,B.class); contxt.startActivity(activities); break; ....... 20 more case statements for selecting activities } </code></pre> <p>decideActivity() method is called when it is checked, which swipe was made, swipe to right or left. </p> <p>NOTE:</p> <p>Before adding tts in this app, the UI was performing properly without lag or slowness. After I added TTS, the app became slow. How can I solve this problem</p> <p>Regards</p>
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