Flutter壁纸设置插件fzwallpaper的使用
Flutter壁纸设置插件fzwallpaper的使用
Fzwallpaper是一个用于在Android设备上设置壁纸的插件。请注意，该插件仅适用于Android平台。
安装
在你的pubspec.yaml文件的dependencies:部分添加以下行：
dependencies:
fzwallpaper: <latest_version>
替换<latest_version>为插件的最新版本号。你可以在pub.dev上找到最新的版本号。
使用示例
以下是一个完整的示例代码，演示如何使用fzwallpaper插件来设置壁纸。
import 'dart:async';
import 'package:flutter/material.dart';
import 'package:fzwallpaper/fzwallpaper.dart';
void main() => runApp(MaterialApp(debugShowCheckedModeBanner: false, home: MyApp()));
class MyApp extends StatefulWidget {
@override
_MyAppState createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String home = "Home Screen", lock = "Lock Screen", both = "Both Screen";
Stream<String> progressString;
String res;
bool downloading = false;
List<String> images = [
"https://images.unsplash.com/photo-1525943837837-af668e09139d?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ",
"https://images.unsplash.com/photo-1478465726282-ddb11650c80b?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ",
"https://images.unsplash.com/photo-1532635248-cdd3d399f56c?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ"
];
var result = "Waiting to set Fzwallpaper";
@override
void initState() {
super.initState();
}
@override
Widget build(BuildContext context) {
return Scaffold(
body: Container(
margin: EdgeInsets.only(top: 20),
width: MediaQuery.of(context).size.width,
height: MediaQuery.of(context).size.height,
child: SingleChildScrollView(
child: Column(
children: <Widget>[
Stack(
children: <Widget>[
Image.network(
images[0],
fit: BoxFit.fitWidth,
),
Positioned(
left: 10,
bottom: 0,
child: RaisedButton(
onPressed: () {
progressString = Fzwallpaper.imageDownloadProgress(images[0]);
progressString.listen((data) {
setState(() {
res = data;
downloading = true;
});
print("DataReceived: " + data);
}, onDone: () async {
home = await Fzwallpaper.homeScreen();
setState(() {
downloading = false;
home = home;
});
print("Task Done");
}, onError: (error) {
setState(() {
downloading = false;
});
print("Some Error");
});
},
textColor: Colors.white,
padding: const EdgeInsets.all(0.0),
child: Center(
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: <Color>[
Color(0xFF0D47A1),
Color(0xFF1976D2),
Color(0xFF42A5F5),
],
),
),
padding: const EdgeInsets.all(10.0),
child: Text(home, style: TextStyle(fontSize: 16)),
),
),
),
),
Dialog()
],
),
Stack(
children: <Widget>[
Image.network(
images[1],
fit: BoxFit.fitWidth,
),
Positioned(
left: 10,
bottom: 0,
child: RaisedButton(
onPressed: () {
progressString = Fzwallpaper.imageDownloadProgress(images[1]);
progressString.listen((data) {
setState(() {
res = data;
downloading = true;
});
print("DataReceived: " + data);
}, onDone: () async {
lock = await Fzwallpaper.lockScreen();
setState(() {
downloading = false;
lock = lock;
});
print("Task Done");
}, onError: (error) {
setState(() {
downloading = false;
});
print("Some Error");
});
},
textColor: Colors.white,
padding: const EdgeInsets.all(0.0),
child: Center(
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: <Color>[
Color(0xFF0D47A1),
Color(0xFF1976D2),
Color(0xFF42A5F5),
],
),
),
padding: const EdgeInsets.all(10.0),
child: Text(lock, style: TextStyle(fontSize: 14)),
),
),
),
),
Dialog()
],
),
Stack(
children: <Widget>[
Image.network(
images[2],
fit: BoxFit.fitWidth,
),
Positioned(
left: 10,
bottom: 0,
child: RaisedButton(
onPressed: () {
progressString = Fzwallpaper.imageDownloadProgress(images[2]);
progressString.listen((data) {
setState(() {
res = data;
downloading = true;
});
print("DataReceived: " + data);
}, onDone: () async {
both = await Fzwallpaper.bothScreen();
setState(() {
downloading = false;
both = both;
});
print("Task Done");
}, onError: (error) {
setState(() {
downloading = false;
});
print("Some Error");
});
},
textColor: Colors.white,
padding: const EdgeInsets.all(0.0),
child: Center(
child: Container(
decoration: const BoxDecoration(
gradient: LinearGradient(
colors: <Color>[
Color(0xFF0D47A1),
Color(0xFF1976D2),
Color(0xFF42A5F5),
],
),
),
padding: const EdgeInsets.all(10.0),
child: Text(both, style: TextStyle(fontSize: 14)),
),
),
),
),
Dialog()
],
),
],
),
),
),
);
}
Widget Dialog() {
return Positioned(
top: 200,
left: 70,
child: downloading
? Container(
height: 120.0,
width: 200.0,
child: Card(
color: Colors.black,
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
CircularProgressIndicator(),
SizedBox(height: 20.0),
Text(
"Downloading File : $res",
style: TextStyle(color: Colors.white),
)
],
),
),
)
: Text("");
}
}
代码解释
-
导入库：
import 'dart:async'; import 'package:flutter/material.dart'; import 'package:fzwallpaper/fzwallpaper.dart'; -
主函数：
void main() => runApp(MaterialApp(debugShowCheckedModeBanner: false, home: MyApp())); -
MyApp类：
class MyApp extends StatefulWidget { @override _MyAppState createState() => _MyAppState(); } -
_MyAppState类：
class _MyAppState extends State<MyApp> { // 状态变量 String home = "Home Screen", lock = "Lock Screen", both = "Both Screen"; Stream<String> progressString; String res; bool downloading = false; // 壁纸图片URL列表 List<String> images = [ "https://images.unsplash.com/photo-1525943837837-af668e09139d?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ", "https://images.unsplash.com/photo-1478465726282-ddb11650c80b?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ", "https://images.unsplash.com/photo-1532635248-cdd3d399f56c?ixlib=rb-1.2.1&q=85&fm=jpg&crop=entropy&cs=srgb&ixid=eyJhcHBfaWQiOjk4MjkzfQ" ]; var result = "Waiting to set Fzwallpaper"; @override void initState() { super.initState(); } @override Widget build(BuildContext context) { // 构建UI界面 return Scaffold( body: Container( margin: EdgeInsets.only(top: 20), width: MediaQuery.of(context).size.width, height: MediaQuery.of(context).size.height, child: SingleChildScrollView( child: Column( children: <Widget>[ Stack( children: <Widget>[ Image.network( images[0], fit: BoxFit.fitWidth, ), Positioned( left: 10, bottom: 0, child: RaisedButton( onPressed: () { // 设置主页壁纸 progressString = Fzwallpaper.imageDownloadProgress(images[0]); progressString.listen((data) { setState(() { res = data; downloading = true; }); print("DataReceived: " + data); }, onDone: () async { home = await Fzwallpaper.homeScreen(); setState(() { downloading = false; home = home; }); print("Task Done"); }, onError: (error) { setState(() { downloading = false; }); print("Some Error"); }); }, textColor: Colors.white, padding: const EdgeInsets.all(0.0), child: Center( child: Container( decoration: const BoxDecoration( gradient: LinearGradient( colors: <Color>[ Color(0xFF0D47A1), Color(0xFF1976D2), Color(0xFF42A5F5), ], ), ), padding: const EdgeInsets.all(10.0), child: Text(home, style: TextStyle(fontSize: 16)), ), ), ), ), Dialog() ], ), Stack( children: <Widget>[ Image.network( images[1], fit: BoxFit.fitWidth, ), Positioned( left: 10, bottom: 0, child: RaisedButton( onPressed: () { // 设置锁屏壁纸 progressString = Fzwallpaper.imageDownloadProgress(images[1]); progressString.listen((data) { setState(() { res = data; downloading = true; }); print("DataReceived: " + data); }, onDone: () async { lock = await Fzwallpaper.lockScreen(); setState(() { downloading = false; lock = lock; }); print("Task Done"); }, onError: (error) { setState(() { downloading = false; }); print("Some Error"); }); }, textColor: Colors.white, padding: const EdgeInsets.all(0.0), child: Center( child: Container( decoration: const BoxDecoration( gradient: LinearGradient( colors: <Color>[ Color(0xFF0D47A1), Color(0xFF1976D2), Color(0xFF42A5F5), ], ), ), padding: const EdgeInsets.all(10.0), child: Text(lock, style: TextStyle(fontSize: 14)), ), ), ), ), Dialog() ], ), Stack( children: <Widget>[ Image.network( images[2], fit: BoxFit.fitWidth, ), Positioned( left: 10, bottom: 0, child: RaisedButton( onPressed: () { // 设置主页和锁屏壁纸 progressString = Fzwallpaper.imageDownloadProgress(images[2]); progressString.listen((data) { setState(() { res = data; downloading = true; }); print("DataReceived: " + data); }, onDone: () async { both = await Fzwallpaper.bothScreen(); setState(() { downloading = false; both = both; }); print("Task Done"); }, onError: (error) { setState(() { downloading = false; }); print("Some Error"); }); }, textColor: Colors.white, padding: const EdgeInsets.all(0.0), child: Center( child: Container( decoration: const BoxDecoration( gradient: LinearGradient( colors: <Color>[ Color(0xFF0D47A1), Color(0xFF1976D2), Color(0xFF42A5F5), ], ), ), padding: const EdgeInsets.all(10.0), child: Text(both, style: TextStyle(fontSize: 14)), ), ), ), ), Dialog() ], ), ], ), ), ), ); } // 弹窗组件 Widget Dialog() { return Positioned( top: 200, left: 70, child: downloading ? Container( height: 120.0, width: 200.0, child: Card( color: Colors.black, child: Column( mainAxisAlignment: MainAxisAlignment.center, children: <Widget>[ CircularProgressIndicator(), SizedBox(height: 20.0), Text( "Downloading File : $res", style: TextStyle(color: Colors.white), ) ], ), ), ) : Text("")); } }
更多关于Flutter壁纸设置插件fzwallpaper的使用的实战教程也可以访问 https://www.itying.com/category-92-b0.html
1 回复
更多关于Flutter壁纸设置插件fzwallpaper的使用的实战系列教程也可以访问 https://www.itying.com/category-92-b0.html
当然，以下是如何在Flutter项目中使用fzwallpaper插件来设置壁纸的一个简单示例。fzwallpaper是一个用于在Android和iOS上设置壁纸的Flutter插件。请注意，这个示例假设你已经有一个Flutter开发环境，并且已经创建了一个新的Flutter项目。
1. 添加依赖
首先，你需要在pubspec.yaml文件中添加fzwallpaper依赖：
dependencies:
flutter:
sdk: flutter
fzwallpaper: ^最新版本号 # 请替换为最新的版本号
然后运行flutter pub get来安装依赖。
2. 导入插件
在你的Dart文件中导入fzwallpaper插件：
import 'package:fzwallpaper/fzwallpaper.dart';
3. 使用插件设置壁纸
下面是一个简单的示例，展示如何使用fzwallpaper插件来设置壁纸。这个示例假设你有一个图像文件的路径（可以是本地文件路径或网络图片的URL）。
import 'package:flutter/material.dart';
import 'package:fzwallpaper/fzwallpaper.dart';
import 'dart:io';
import 'package:image_picker/image_picker.dart'; // 用于选择图片
void main() {
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: HomePage(),
);
}
}
class HomePage extends StatefulWidget {
@override
_HomePageState createState() => _HomePageState();
}
class _HomePageState extends State<HomePage> {
final ImagePicker _picker = ImagePicker();
File? _imageFile;
Future<void> _pickImage(ImageSource source) async {
final pickedFile = await _picker.pickImage(source: source);
if (pickedFile != null) {
setState(() {
_imageFile = File(pickedFile.path);
});
// 设置壁纸
_setWallpaper(_imageFile!);
}
}
Future<void> _setWallpaper(File imageFile) async {
try {
await FzWallpaper.setImageAsWallpaper(
imagePath: imageFile.path,
);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('壁纸设置成功！')),
);
} catch (e) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('设置壁纸失败: $e')),
);
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('Flutter 壁纸设置示例'),
),
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: <Widget>[
_imageFile == null
? Text('没有选择的图片')
: Image.file(_imageFile!),
SizedBox(height: 20),
ElevatedButton(
onPressed: () => _pickImage(ImageSource.gallery),
child: Text('从相册选择'),
),
SizedBox(height: 10),
ElevatedButton(
onPressed: () => _pickImage(ImageSource.camera),
child: Text('拍照'),
),
],
),
),
);
}
}
注意事项
-
权限处理：在Android上，你需要请求存储权限来访问相册和保存壁纸。你可能需要在
AndroidManifest.xml中声明这些权限，并在运行时请求它们。iOS上通常不需要额外的权限处理，但请确保你的项目配置正确以访问相册。 -
图片选择器：上面的示例使用了
image_picker插件来选择图片。你需要添加image_picker依赖到你的pubspec.yaml中。 -
错误处理：在实际应用中，你应该添加更多的错误处理逻辑，以确保在各种情况下都能给用户一个友好的反馈。
-
插件版本：确保你使用的是最新版本的
fzwallpaper插件，因为插件的API可能会随着版本的更新而变化。
希望这个示例能帮助你在Flutter项目中成功实现壁纸设置功能！
