Send Android draft on button press

lib/main.dart

@@ -42,14 +42,13 @@ class _InputSyncPageState extends State<InputSyncPage> {
   final inputFocusNode = FocusNode();
 
   WebSocketChannel? channel;
-  String lastText = '';
+  String lastSyncedText = '';
   bool connected = false;
 
   @override
   void initState() {
     super.initState();
     _loadSavedConnection();
-    inputController.addListener(_syncTextChange);
   }
 
   @override
@@ -96,24 +95,14 @@ class _InputSyncPageState extends State<InputSyncPage> {
     });
   }
 
-  void _syncTextChange() {
-    final currentText = inputController.text;
-    if (!connected || channel == null || currentText == lastText) {
-      lastText = currentText;
+  void _sendCurrentText() {
+    if (!connected || channel == null) {
       return;
     }
 
-    if (currentText.length > lastText.length &&
-        currentText.startsWith(lastText)) {
-      _send('insertText', text: currentText.substring(lastText.length));
-    } else if (lastText.length == currentText.length + 1 &&
-        lastText.startsWith(currentText)) {
-      _send('backspace');
-    } else {
-      _send('insertText', text: currentText);
-    }
-
-    lastText = currentText;
+    lastSyncedText = inputController.text;
+    _send('replaceAll', text: inputController.text);
+    inputFocusNode.requestFocus();
   }
 
   void _send(String action, {String? text}) {
@@ -160,6 +149,12 @@ class _InputSyncPageState extends State<InputSyncPage> {
                     onPressed: connected ? _disconnect : _connect,
                     icon: Icon(connected ? Icons.link_off : Icons.link),
                   ),
+                  const SizedBox(width: 8),
+                  IconButton.filled(
+                    tooltip: 'Send',
+                    onPressed: connected ? _sendCurrentText : null,
+                    icon: const Icon(Icons.send),
+                  ),
                 ],
               ),
             ),