up

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -122,7 +122,9 @@ class ReadRssActivity : VMBaseActivity<ReadRssViewModel>(R.layout.activity_rss_r
     }
 
     private fun readAloud() {
-
+        webView.evaluateJavascript("document.documentElement.outerHTML") {
+            viewModel.readAloud(it)
+        }
     }
 
 }

app/src/main/java/io/legado/app/ui/rss/read/ReadRssViewModel.kt

@@ -2,21 +2,28 @@ package io.legado.app.ui.rss.read
 
 import android.app.Application
 import android.content.Intent
+import android.speech.tts.TextToSpeech
+import android.speech.tts.UtteranceProgressListener
 import androidx.lifecycle.MutableLiveData
 import io.legado.app.App
+import io.legado.app.R
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.RssArticle
 import io.legado.app.data.entities.RssSource
 import io.legado.app.model.Rss
 import io.legado.app.model.analyzeRule.AnalyzeUrl
+import kotlinx.coroutines.launch
+import java.util.*
 
-class ReadRssViewModel(application: Application) : BaseViewModel(application) {
+class ReadRssViewModel(application: Application) : BaseViewModel(application),
+    TextToSpeech.OnInitListener {
     var callBack: CallBack? = null
     var rssSource: RssSource? = null
     var rssArticle: RssArticle? = null
     val contentLiveData = MutableLiveData<String>()
     val urlLiveData = MutableLiveData<AnalyzeUrl>()
     var star = false
+    var textToSpeech: TextToSpeech = TextToSpeech(context, this)
 
     fun initData(intent: Intent) {
         execute {
@@ -91,6 +98,50 @@ class ReadRssViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
+    override fun onInit(status: Int) {
+        launch {
+            if (status == TextToSpeech.SUCCESS) {
+                textToSpeech.language = Locale.CHINA
+                textToSpeech.setOnUtteranceProgressListener(TTSUtteranceListener())
+            } else {
+                toast(R.string.tts_init_failed)
+            }
+        }
+    }
+
+    fun readAloud(text: String) {
+
+    }
+
+    override fun onCleared() {
+        super.onCleared()
+        textToSpeech.stop()
+        textToSpeech.shutdown()
+    }
+
+    /**
+     * 朗读监听
+     */
+    private inner class TTSUtteranceListener : UtteranceProgressListener() {
+
+        override fun onStart(s: String) {
+
+        }
+
+        override fun onDone(s: String) {
+
+        }
+
+        override fun onRangeStart(utteranceId: String?, start: Int, end: Int, frame: Int) {
+            super.onRangeStart(utteranceId, start, end, frame)
+
+        }
+
+        override fun onError(s: String) {
+
+        }
+
+    }
     interface CallBack {
         fun upStarMenu()
     }