From a3ddf6a435b846113641d9e57a02f88da3fe6fcc Mon Sep 17 00:00:00 2001
From: kunfei <gekunfei@live.com>
Date: Mon, 27 Apr 2020 20:45:28 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../io/legado/app/service/TTSReadAloudService.kt | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/io/legado/app/service/TTSReadAloudService.kt b/app/src/main/java/io/legado/app/service/TTSReadAloudService.kt
index 1f63dac89..8d8c5f39f 100644
--- a/app/src/main/java/io/legado/app/service/TTSReadAloudService.kt
+++ b/app/src/main/java/io/legado/app/service/TTSReadAloudService.kt
@@ -20,11 +20,13 @@ import java.util.*
 class TTSReadAloudService : BaseReadAloudService(), TextToSpeech.OnInitListener {
 
     companion object {
-        var textToSpeech: TextToSpeech? = null
+        private var textToSpeech: TextToSpeech? = null
 
         fun clearTTS() {
-            textToSpeech?.stop()
-            textToSpeech?.shutdown()
+            textToSpeech?.let {
+                it.stop()
+                it.shutdown()
+            }
             textToSpeech = null
         }
     }
@@ -45,9 +47,11 @@ class TTSReadAloudService : BaseReadAloudService(), TextToSpeech.OnInitListener
     @Synchronized
     override fun onInit(status: Int) {
         if (status == TextToSpeech.SUCCESS) {
-            textToSpeech?.language = Locale.CHINA
-            textToSpeech?.setOnUtteranceProgressListener(TTSUtteranceListener())
-            ttsInitFinish = true
+            textToSpeech?.let {
+                it.language = Locale.CHINA
+                it.setOnUtteranceProgressListener(TTSUtteranceListener())
+                ttsInitFinish = true
+            }
             play()
         } else {
             launch {