199 lines
8.4 KiB
Dart
199 lines
8.4 KiB
Dart
import 'package:flutter/material.dart';
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class CreatePage extends StatefulWidget {
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const CreatePage({super.key});
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@override
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State<CreatePage> createState() => _CreatePageState();
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}
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class _CreatePageState extends State<CreatePage> {
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final TextEditingController _textController = TextEditingController(text: '');
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final FocusNode _commentFocus = FocusNode(); //输入框焦点
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String promptText = "";
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void _textFieldChanged(String str) {
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promptText = str;
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}
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final List<String> items = ['爵士', '民谣', '爵士', 'DJ', '经典', '纯音乐', '戏曲', '车载'];
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int styleIndex = 0;
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@override
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Widget build(BuildContext context) {
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final size = MediaQuery.of(context).size;
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return Scaffold(
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backgroundColor: Color(0xFF0E0A10),
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body: Stack(
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children: [
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Image(width: size.width, height: 180, image: AssetImage('assets/images/banner_bg.png')),
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SingleChildScrollView(
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child: Container(
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margin: EdgeInsets.symmetric(horizontal: 16),
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child: Column(
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children: [
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Container(
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margin: EdgeInsets.only(top: 24),
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceBetween,
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crossAxisAlignment: CrossAxisAlignment.center,
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children: [
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Image(width: 79, height: 19, image: AssetImage('assets/images/ic_music.png')),
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Image(width: 49, height: 45, image: AssetImage('assets/images/ic_vip.png')),
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],
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),
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),
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Container(
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alignment: Alignment.centerLeft,
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margin: EdgeInsets.only(top: 20),
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child: Text(
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'歌词生歌',
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style: TextStyle(fontSize: 16, color: Colors.white),
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),
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),
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///输入框 描述
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Container(
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padding: EdgeInsets.all(1),
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margin: EdgeInsets.only(top: 16),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [Color(0xFF3FBBFE), Color(0xFFA541FF)],
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begin: Alignment.bottomLeft, // 渐变开始位置
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end: Alignment.topRight, // 渐变结束位置
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),
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borderRadius: BorderRadius.all(Radius.circular(6.6))),
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child: Container(
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alignment: Alignment.center,
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padding: const EdgeInsets.only(left: 9, top: 13, right: 9),
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decoration: BoxDecoration(
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color: Color(0xFF0E0A10),
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borderRadius: BorderRadius.all(Radius.circular(6.6)),
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),
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child: TextField(
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controller: _textController,
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keyboardType: TextInputType.name,
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focusNode: _commentFocus,
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decoration:
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InputDecoration.collapsed(hintText: '描述歌词的场景', hintStyle: const TextStyle(fontSize: 13.0, color: Color(0xFFB5B5B5))),
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textAlign: TextAlign.left,
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maxLines: 5,
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style: const TextStyle(fontSize: 16.0, color: Colors.white),
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onChanged: _textFieldChanged,
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autofocus: false,
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maxLength: 500,
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),
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),
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),
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Container(
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alignment: Alignment.centerLeft,
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margin: EdgeInsets.only(top: 30),
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child: Text(
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'音乐风格',
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style: TextStyle(fontSize: 16, color: Colors.white),
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),
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),
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Container(
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alignment: Alignment.centerLeft,
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margin: EdgeInsets.only(top: 18),
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child: Wrap(
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spacing: 10.0,
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runSpacing: 12.0,
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children: List.generate(items.length, (index) {
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return Builder(builder: (BuildContext context) {
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return Container(
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padding: EdgeInsets.all(1),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [
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styleIndex == index ? Color(0xFF3FBBFE) : Color(0xFF919191),
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styleIndex == index ? Color(0xFFA541FF) : Color(0xFF919191)
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],
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begin: Alignment.bottomLeft, // 渐变开始位置
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end: Alignment.topRight, // 渐变结束位置
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),
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borderRadius: BorderRadius.all(Radius.circular(16)),
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),
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child: GestureDetector(
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behavior: HitTestBehavior.opaque,
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onTap: () {
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styleIndex = index;
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setState(() {});
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},
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child: Container(
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padding: EdgeInsets.symmetric(vertical: 6, horizontal: 23),
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decoration: BoxDecoration(
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color: Color(0xFF0E0A10),
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// border: Border.all(color: Color(0xFF919191), width: 1),
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borderRadius: BorderRadius.all(Radius.circular(16)),
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),
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child: Text(
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'${items[index]}',
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style: TextStyle(color: styleIndex == index ? Color(0xFF3FBBFE) : Color(0xFF919191), fontSize: 12),
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),
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),
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),
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);
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});
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}),
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),
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),
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Container(
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alignment: Alignment.centerLeft,
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margin: EdgeInsets.only(top: 30),
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child: Text(
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'音乐名称',
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style: TextStyle(fontSize: 16, color: Colors.white),
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),
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),
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Container(
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height: 42,
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padding: EdgeInsets.all(1),
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margin: EdgeInsets.only(top: 16,bottom: 50),
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decoration: BoxDecoration(
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gradient: LinearGradient(
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colors: [Color(0xFF3FBBFE), Color(0xFFA541FF)],
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begin: Alignment.bottomLeft, // 渐变开始位置
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end: Alignment.topRight, // 渐变结束位置
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),
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borderRadius: BorderRadius.all(Radius.circular(6.6))),
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child: Container(
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alignment: Alignment.center,
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padding: const EdgeInsets.only(left: 9, right: 9),
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decoration: BoxDecoration(
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color: Color(0xFF0E0A10),
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borderRadius: BorderRadius.all(Radius.circular(6.6)),
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),
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child: TextField(
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controller: _textController,
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keyboardType: TextInputType.name,
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focusNode: _commentFocus,
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decoration:
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InputDecoration.collapsed(hintText: '输入歌曲名称', hintStyle: const TextStyle(fontSize: 13.0, color: Color(0xFFB5B5B5))),
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textAlign: TextAlign.left,
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maxLines: 1,
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style: const TextStyle(fontSize: 16.0, color: Colors.white),
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onChanged: _textFieldChanged,
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autofocus: false,
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),
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),
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),
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],
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),
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),
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)
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],
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),
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);
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}
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}
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