init
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parent
6049c0fac0
commit
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@ -1,7 +1,6 @@
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'package:flutter/services.dart';
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import 'package:jc_printer/jc_printer.dart';
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void main() {
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@ -16,35 +15,12 @@ class MyApp extends StatefulWidget {
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}
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class _MyAppState extends State<MyApp> {
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String _platformVersion = 'Unknown';
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final _jcPrinterPlugin = JcPrinter();
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final _jcPrinter = JcPrinter();
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@override
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void initState() {
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super.initState();
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initPlatformState();
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}
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// Platform messages are asynchronous, so we initialize in an async method.
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Future<void> initPlatformState() async {
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String platformVersion;
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// Platform messages may fail, so we use a try/catch PlatformException.
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// We also handle the message potentially returning null.
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try {
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platformVersion =
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await _jcPrinterPlugin.getPlatformVersion() ?? 'Unknown platform version';
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} on PlatformException {
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platformVersion = 'Failed to get platform version.';
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}
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// If the widget was removed from the tree while the asynchronous platform
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// message was in flight, we want to discard the reply rather than calling
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// setState to update our non-existent appearance.
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if (!mounted) return;
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setState(() {
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_platformVersion = platformVersion;
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});
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_jcPrinter.connect();
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}
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@override
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@ -54,9 +30,6 @@ class _MyAppState extends State<MyApp> {
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appBar: AppBar(
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title: const Text('Plugin example app'),
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),
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body: Center(
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child: Text('Running on: $_platformVersion\n'),
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),
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),
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);
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}
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@ -1,4 +1,5 @@
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#import "JcPrinterPlugin.h"
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#import "JCAPI.h"
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@implementation JcPrinterPlugin
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+ (void)registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registrar {
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@ -12,6 +13,14 @@
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- (void)handleMethodCall:(FlutterMethodCall*)call result:(FlutterResult)result {
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if ([@"getPlatformVersion" isEqualToString:call.method]) {
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result([@"iOS " stringByAppendingString:[[UIDevice currentDevice] systemVersion]]);
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} else if ([@"connect" isEqualToString:call.method]) {
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[JCAPI openPrinter:@"123" completion:^(BOOL isSuccess) {
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if (isSuccess) {
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result(@"啊叫啊");
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} else {
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result(@"版本");
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}
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}];
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} else {
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result(FlutterMethodNotImplemented);
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}
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@ -5,4 +5,8 @@ class JcPrinter {
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Future<String?> getPlatformVersion() {
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return JcPrinterPlatform.instance.getPlatformVersion();
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}
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void connect() {
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JcPrinterPlatform.instance.connect();
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}
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}
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@ -14,4 +14,10 @@ class MethodChannelJcPrinter extends JcPrinterPlatform {
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final version = await methodChannel.invokeMethod<String>('getPlatformVersion');
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return version;
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}
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@override
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void connect() async {
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final result = await methodChannel.invokeMethod<String>('connect');
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print(result);
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}
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}
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@ -26,4 +26,8 @@ abstract class JcPrinterPlatform extends PlatformInterface {
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Future<String?> getPlatformVersion() {
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throw UnimplementedError('platformVersion() has not been implemented.');
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}
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void connect() {
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throw UnimplementedError('connect() has not been implemented.');
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}
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}
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@ -2,15 +2,15 @@ import 'package:flutter_test/flutter_test.dart';
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import 'package:jc_printer/jc_printer.dart';
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import 'package:jc_printer/jc_printer_platform_interface.dart';
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import 'package:jc_printer/jc_printer_method_channel.dart';
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import 'package:plugin_platform_interface/plugin_platform_interface.dart';
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// import 'package:plugin_platform_interface/plugin_platform_interface.dart';
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class MockJcPrinterPlatform
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/*class MockJcPrinterPlatform
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with MockPlatformInterfaceMixin
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implements JcPrinterPlatform {
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@override
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Future<String?> getPlatformVersion() => Future.value('42');
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}
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}*/
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void main() {
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final JcPrinterPlatform initialPlatform = JcPrinterPlatform.instance;
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@ -21,8 +21,8 @@ void main() {
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test('getPlatformVersion', () async {
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JcPrinter jcPrinterPlugin = JcPrinter();
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MockJcPrinterPlatform fakePlatform = MockJcPrinterPlatform();
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JcPrinterPlatform.instance = fakePlatform;
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// MockJcPrinterPlatform fakePlatform = MockJcPrinterPlatform();
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// JcPrinterPlatform.instance = fakePlatform;
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expect(await jcPrinterPlugin.getPlatformVersion(), '42');
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});
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