feat: optional bluetooth for Android #296

speech_to_text/android/src/main/AndroidManifest.xml

@@ -1,3 +1,5 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="com.csdcorp.speech_to_text">
+
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
 </manifest>

speech_to_text/android/src/main/kotlin/com/csdcorp/speech_to_text/SpeechToTextPlugin.kt

@@ -99,6 +99,7 @@ public class SpeechToTextPlugin :
     private var debugLogging: Boolean = false
     private var alwaysUseStop: Boolean = false
     private var intentLookup: Boolean = false
+    private var noBluetooth: Boolean = false
     private var resultSent: Boolean = false
     private var speechRecognizer: SpeechRecognizer? = null
     private var recognizerIntent: Intent? = null
@@ -188,6 +189,10 @@ public class SpeechToTextPlugin :
                     if (null != iOpt) {
                         intentLookup = iOpt == true
                     }
+                    var noBtOpt = call.argument<Boolean>("noBluetooth")
+                    if (null != noBtOpt) {
+                        noBluetooth = noBtOpt == true
+                    }
                     initialize(result)
                 }
                 "listen" -> {
@@ -301,6 +306,7 @@ public class SpeechToTextPlugin :
     }
 
     private fun optionallyStartBluetooth() {
+        if ( noBluetooth ) return 
         val lbt = bluetoothAdapter
         val lpaired = pairedDevices
         val lhead = bluetoothHeadset
@@ -391,6 +397,7 @@ public class SpeechToTextPlugin :
     }
 
     private fun optionallyStopBluetooth() {
+        if ( noBluetooth ) return
         val lactive = activeBluetooth
         val lbt = bluetoothHeadset
         if (null != lactive && null != lbt ) {
@@ -454,8 +461,13 @@ public class SpeechToTextPlugin :
             val localActivity = currentActivity
             if (null != localActivity) {
                 debugLog("Requesting permission")
+                var requiredPermissions = arrayOf(Manifest.permission.RECORD_AUDIO)
+                if ( !noBluetooth ) {
+                    requiredPermissions = requiredPermissions.plus(Manifest.permission.BLUETOOTH_CONNECT)
+                }
+
                 ActivityCompat.requestPermissions(localActivity,
-                        arrayOf(Manifest.permission.RECORD_AUDIO, Manifest.permission.BLUETOOTH_CONNECT), speechToTextPermissionCode)
+                        requiredPermissions, speechToTextPermissionCode)
             } else {
                 debugLog("no permission, no activity, completing")
                 completeInitialize()
@@ -502,6 +514,7 @@ public class SpeechToTextPlugin :
     }
 
     private fun setupBluetooth() {
+        if ( noBluetooth ) return
         bluetoothAdapter = BluetoothAdapter.getDefaultAdapter()
         pairedDevices = bluetoothAdapter?.getBondedDevices()
 

speech_to_text/lib/speech_to_text.dart

@@ -114,15 +114,36 @@ class SpeechToText {
       SpeechConfigOption('android', 'alwaysUseStop', true);
   static final SpeechConfigOption androidIntentLookup =
       SpeechConfigOption('android', 'intentLookup', true);
+  static final SpeechConfigOption androidNoBluetooth =
+      SpeechConfigOption('android', 'noBluetooth', true);
+  static final SpeechConfigOption iosNoBluetooth =
+      SpeechConfigOption('ios', 'noBluetooth', true);
 
   static final SpeechToText _instance = SpeechToText.withMethodChannel();
   bool _initWorked = false;
+
+  /// True when any words have been recognized during the current listen session.
   bool _recognized = false;
+
+  /// True as soon as the platform reports it has started listening which
+  /// happens some time after the listen method is called.
   bool _listening = false;
   bool _cancelOnError = false;
+
+  /// True if the user has requested to cancel recognition when a permanent
+  /// error occurs.
   bool _partialResults = false;
+
+  /// True when the results callback has already been called with a
+  /// final result.
   bool _notifiedFinal = false;
+
+  /// True when the internal status callback has been called with the
+  /// done status. Note that this does not mean the user callback has
+  /// been called since that is only called after the final result has been
+  /// seen.
   bool _notifiedDone = false;
+
   int _listenStartedAt = 0;
   int _lastSpeechEventAt = 0;
   Duration? _pauseFor;