send only if text is not empty

2021-02-26 11:58:37 +01:00
parent 32159b2b2d
commit 049429b221
1 changed files with 14 additions and 2 deletions
@@ -19,6 +19,15 @@ class _MessageInputState extends State<MessageInput> {
  File _image;
  final picker = ImagePicker();

+  @override
+  void initState() {
+    super.initState();
+
+    textController.addListener(() {
+      setState(() {});
+    });
+  }
+
  @override
  Widget build(BuildContext context) {
    return Align(
@@ -72,8 +81,11 @@ class _MessageInputState extends State<MessageInput> {
                  },
                  child: Padding(
                    padding: const EdgeInsets.all(8.0),
-                    child: Icon(CupertinoIcons.arrow_up_circle_fill,
-                        color: CupertinoColors.activeGreen, size: 35),
+                    child: textController.text.isNotEmpty
+                        ? Icon(CupertinoIcons.arrow_up_circle_fill,
+                            color: CupertinoColors.activeGreen, size: 35)
+                        : Icon(CupertinoIcons.exclamationmark_circle_fill,
+                            color: CupertinoColors.systemRed, size: 35),
                  ),
                ),
                decoration: BoxDecoration(