fix: android, no voice call under android 11 (#8440)

Signed-off-by: fufesou <linlong1266@gmail.com>

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/AudioRecordHandle.kt

@@ -116,7 +116,7 @@ class AudioRecordHandle(private var context: Context, private var isVideoStart:
     }
 
     fun onVoiceCallStarted(mediaProjection: MediaProjection?): Boolean {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+        if (!isSupportVoiceCall()) {
             return false
         }
         // No need to check if video or audio is started here.
@@ -127,8 +127,8 @@ class AudioRecordHandle(private var context: Context, private var isVideoStart:
     }
 
     fun onVoiceCallClosed(mediaProjection: MediaProjection?): Boolean {
-        // Return true if `Build.VERSION.SDK_INT < Build.VERSION_CODES.R`, because is was not started.
+        // Return true if not supported, because is was not started.
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
+        if (!isSupportVoiceCall()) {
             return true
         }
         if (isVideoStart()) {
@@ -176,9 +176,6 @@ class AudioRecordHandle(private var context: Context, private var isVideoStart:
     }
 
     fun tryReleaseAudio() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.R) {
-            return
-        }
         if (isAudioStart() || isVideoStart()) {
             return
         }

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/MainActivity.kt

@@ -233,6 +233,17 @@ class MainActivity : FlutterActivity() {
                         result.success(false)
                     }
                 }
+                GET_VALUE -> {
+                    if (call.arguments is String) {
+                        if (call.arguments == KEY_IS_SUPPORT_VOICE_CALL) {
+                            result.success(isSupportVoiceCall())
+                        } else {
+                            result.error("-1", "No such key", null)
+                        }
+                    } else {
+                        result.success(null)
+                    }
+                }
                 "on_voice_call_started" -> {
                     onVoiceCallStarted()
                 }

flutter/android/app/src/main/kotlin/com/carriez/flutter_hbb/common.kt

@@ -47,6 +47,9 @@ const val START_ACTION = "start_action"
 const val GET_START_ON_BOOT_OPT = "get_start_on_boot_opt"
 const val SET_START_ON_BOOT_OPT = "set_start_on_boot_opt"
 const val SYNC_APP_DIR_CONFIG_PATH = "sync_app_dir"
+const val GET_VALUE = "get_value"
+
+const val KEY_IS_SUPPORT_VOICE_CALL = "KEY_IS_SUPPORT_VOICE_CALL"
 
 const val KEY_SHARED_PREFERENCES = "KEY_SHARED_PREFERENCES"
 const val KEY_START_ON_BOOT_OPT = "KEY_START_ON_BOOT_OPT"
@@ -60,6 +63,11 @@ data class Info(
     var width: Int, var height: Int, var scale: Int, var dpi: Int
 )
 
+fun isSupportVoiceCall(): Boolean {
+    // https://developer.android.com/reference/android/media/MediaRecorder.AudioSource#VOICE_COMMUNICATION
+    return Build.VERSION.SDK_INT >= Build.VERSION_CODES.R
+}
+
 fun requestPermission(context: Context, type: String) {
     XXPermissions.with(context)
         .permission(type)

flutter/lib/mobile/pages/remote_page.dart

@@ -418,17 +418,21 @@ class _RemotePageState extends State<RemotePage> {
                   (isWeb
                       ? []
                       : <Widget>[
-                          IconButton(
+                          futureBuilder(
+                              future: gFFI.invokeMethod(
+                                  "get_value", "KEY_IS_SUPPORT_VOICE_CALL"),
+                              hasData: (isSupportVoiceCall) => IconButton(
                                     color: Colors.white,
-                            icon: isAndroid
+                                    icon: isAndroid && isSupportVoiceCall
                                         ? SvgPicture.asset('assets/chat.svg',
                                             colorFilter: ColorFilter.mode(
                                                 Colors.white, BlendMode.srcIn))
                                         : Icon(Icons.message),
-                            onPressed: () => isAndroid
+                                    onPressed: () =>
+                                        isAndroid && isSupportVoiceCall
                                             ? showChatOptions(widget.id)
                                             : onPressedTextChat(widget.id),
-                          )
+                                  ))
                         ]) +
                   [
                     IconButton(