feat: sample UI updates

Author: srcnalt

Samples~/Whisper/Whisper Sample.unity

@@ -338,7 +338,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0}
   m_AnchorMax: {x: 0.5, y: 0}
-  m_AnchoredPosition: {x: 0, y: 20}
+  m_AnchoredPosition: {x: 0, y: 100}
   m_SizeDelta: {x: 300, y: 30}
   m_Pivot: {x: 0.5, y: 0}
 --- !u!114 &127668736
@@ -617,12 +617,12 @@ MonoBehaviour:
   m_Script: {fileID: 11500000, guid: 0cd44c1031e13a943bb63640046fad76, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
-  m_UiScaleMode: 0
+  m_UiScaleMode: 1
   m_ReferencePixelsPerUnit: 100
   m_ScaleFactor: 1
   m_ReferenceResolution: {x: 800, y: 600}
   m_ScreenMatchMode: 0
-  m_MatchWidthOrHeight: 0
+  m_MatchWidthOrHeight: 0.5
   m_PhysicalUnit: 3
   m_FallbackScreenDPI: 96
   m_DefaultSpriteDPI: 96
@@ -811,7 +811,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0}
   m_AnchorMax: {x: 0.5, y: 0}
-  m_AnchoredPosition: {x: 0, y: 300}
+  m_AnchoredPosition: {x: 0, y: 380}
   m_SizeDelta: {x: 300, y: 30}
   m_Pivot: {x: 0.5, y: 0}
 --- !u!114 &806708132
@@ -1388,7 +1388,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0}
   m_AnchorMax: {x: 0.5, y: 0}
-  m_AnchoredPosition: {x: 0, y: 60}
+  m_AnchoredPosition: {x: 0, y: 140}
   m_SizeDelta: {x: 300, y: 200}
   m_Pivot: {x: 0.5, y: 0}
 --- !u!114 &1555334134
@@ -1666,7 +1666,7 @@ RectTransform:
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0.5, y: 0}
   m_AnchorMax: {x: 0.5, y: 0}
-  m_AnchoredPosition: {x: 0, y: 270}
+  m_AnchoredPosition: {x: 0, y: 350}
   m_SizeDelta: {x: 300, y: 20}
   m_Pivot: {x: 0.5, y: 0}
 --- !u!114 &1670234776

Samples~/Whisper/Whisper.cs

@@ -26,21 +26,30 @@ private void Start()
                 dropdown.options.Add(new Dropdown.OptionData(device));
             }
             recordButton.onClick.AddListener(StartRecording);
+            dropdown.onValueChanged.AddListener(ChangeMicrophone);
+            
+            var index = PlayerPrefs.GetInt("user-mic-device-index");
+            dropdown.SetValueWithoutNotify(index);
         }
 
+        private void ChangeMicrophone(int index)
+        {
+            PlayerPrefs.SetInt("user-mic-device-index", index);
+        }
+        
         private void StartRecording()
         {
             isRecording = true;
             recordButton.enabled = false;
-            
-            clip = Microphone.Start(dropdown.options[dropdown.value].text, false, duration, 44100);
+
+            var index = PlayerPrefs.GetInt("user-mic-device-index");
+            clip = Microphone.Start(dropdown.options[index].text, false, duration, 44100);
         }
 
         private async void EndRecording()
         {
             message.text = "Transcripting...";
 
-            isRecording = false;
             Microphone.End(null);
             byte[] data = SaveWav.Save(fileName, clip);
 
@@ -53,7 +62,9 @@ private async void EndRecording()
             };
             var res = await openai.CreateAudioTranscription(req);
 
+            progressBar.fillAmount = 0;
             message.text = res.Text;
+            recordButton.enabled = true;
         }
 
         private void Update()
@@ -65,6 +76,7 @@ private void Update()
 
                 if (time >= duration)
                 {
+                    time = 0;
                     isRecording = false;
                     EndRecording();
                 }