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POTextToSpeech.setEngineByPackageName() triggers NullPointerException
primarykey
Id
9492800
data
AcceptedAnswerId
9493035
AnswerCount
2
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-02-29T02:32:34.240
FavoriteCount
0
LastActivityDate
2012-02-29T04:25:10.810
LastEditDate
2012-02-29T04:02:33.517
LastEditorUserId
636571
OwnerUserId
636571
ParentId
0
PostTypeId
1
Score
2
ViewCount
948
LastEditorDisplayName
text
Body
My activity's <code>onInit()</code> contains a call to <code>TextToSpeech.setEngineByPackageName()</code>: <pre><code> tts = new TextToSpeech(this, this); tts.setEngineByPackageName("com.ivona.tts.voicebeta.eng.usa.kendra"); </code></pre> It works on an Android 2.2.2 device, but on an Android 2.3.4 device it produced a NullPointerException, with the following stack trace: <pre><code> E/TextToSpeech.java - setEngineByPackageName(3423): NullPointerException W/System.err(3423): java.lang.NullPointerException W/System.err(3423): at android.os.Parcel.readException(Parcel.java:1328) W/System.err(3423): at android.os.Parcel.readException(Parcel.java:1276) W/System.err(3423): at android.speech.tts.ITts$Stub$Proxy.setEngineByPackageName(ITts.java:654) W/System.err(3423): at android.speech.tts.TextToSpeech.setEngineByPackageName(TextToSpeech.java:1356) </code></pre> Since I am providing a hard-coded string parameter, I know that the parameter isn't what's causing the NullPointerException. I also know that <a href="http://hi-android.info/src/android/speech/tts/TextToSpeech.java.html" rel="nofollow">setEngineByPackageName()</a> is deprecated but that's only since API 14, so this couldn't be the reason. Any idea what could be causing this NullPointerException? EDIT: I wouldn't have been concerned with the "why" if this didn't result in an endless bombardment of: <pre><code>I/TextToSpeech.java(3652): initTts() successfully bound to service </code></pre> Followed by calls to <code>onInit()</code> (by the system, not by my code). My hope is that if I underderstand why this is happening, I can stop the bombardment of <code>onInit()</code>s and recover gracefully from the error.
Tags
<android><text-to-speech>
Title
TextToSpeech.setEngineByPackageName() triggers NullPointerException
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PostAcceptedAnswerId
1. PO
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 PostTypePostTypeId
 PTAnswer
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1. This table or related slice is empty.
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1. PTQuestion
UserLastEditorUserId
1. USan00b
UserOwnerUserId
1. USan00b
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1. PL
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PostLinksRelatedPostIdPostId
1. PL
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1. This table or related slice is empty.
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1. PO
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 PTAnswer
2. PO
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1. VO
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 POTextToSpeech.setEngineByPackageName() triggers NullPointerException
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2. VO
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 POTextToSpeech.setEngineByPackageName() triggers NullPointerException
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1. This table or related slice is empty.

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