flutter_native_helper 0.0.7
flutter_native_helper: ^0.0.7 copied to clipboard
Provides functions to the Flutter, from Android:Easy app installer、Get systemRingtone、Play systemRingtone.
import 'dart:ffi';
import 'package:flutter/material.dart';
import 'dart:async';
import 'package:flutter/services.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:flutter_native_helper/flutter_native_helper.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({Key? key}) : super(key: key);
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
String _platformVersion = 'Unknown';
String _cancelTag = "";
@override
void initState() {
super.initState();
initPlatformState();
listenNativeMessage();
}
/// 监听 Native 端发送的信息
void listenNativeMessage() {
FlutterNativeHelper.instance.setMethodCallHandler((call) async {
switch (call.method) {
case FlutterNativeConstant.methodDownloadProgress:
//获取下载进度
if (call.arguments is double) {
final progress = call.arguments as double;
if (progress < 100) {
String stringProgress = progress.toString();
if (stringProgress.length > 5) {
stringProgress = stringProgress.substring(0, 5);
}
EasyLoading.showProgress(progress / 100,
status: "下载中 $stringProgress%");
} else {
EasyLoading.showSuccess("下载成功");
}
}
break;
case FlutterNativeConstant.methodCancelTag:
//得到 cancelTag
if (call.arguments is String) {
_cancelTag = call.arguments as String;
}
break;
}
});
}
// Platform messages are asynchronous, so we initialize in an async method.
Future<void> initPlatformState() async {
String platformVersion;
try {
platformVersion = await FlutterNativeHelper.instance.platformVersion ??
'Unknown platform version';
} on PlatformException {
platformVersion = 'Failed to get platform version.';
}
if (!mounted) return;
setState(() {
_platformVersion = platformVersion;
});
}
@override
Widget build(BuildContext context) {
return MaterialApp(
builder: EasyLoading.init(),
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: Center(
child: Column(
mainAxisSize: MainAxisSize.min,
children: [
Text('Running on: $_platformVersion\n'),
_buildButton("下载并安装apk", () {
EasyLoading.show(status: "开始下载");
FlutterNativeHelper.instance.downloadAndInstallApk(
fileUrl: "https://xxxxx.apk",
fileDirectory: "updateApk",
fileName: "newApk.apk");
}),
_buildButton("取消下载", () async {
if (_cancelTag.isNotEmpty) {
await FlutterNativeHelper.instance.cancelDownload(_cancelTag);
EasyLoading.dismiss();
}
}),
_buildButton('打开应用市场', () async {}),
_buildButton("得到铃声列表", () async {
final List<SystemRingtoneModel> list =
await FlutterNativeHelper.instance.getSystemRingtoneList(
FlutterNativeConstant.systemRingtoneTypeNotification);
for (var value in list) {
print(
"lxlx ringtoneTitle: ${value.ringtoneTitle}, ${value.ringtoneUri}");
}
}),
],
),
),
),
);
}
Widget _buildButton(String text, Function function) {
return MaterialButton(
color: Colors.blue,
child: Text(
text,
style: const TextStyle(color: Colors.white),
),
onPressed: () {
function();
},
);
}
@override
void dispose() {
FlutterNativeHelper.instance.dispose();
super.dispose();
}
}