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前言:目前环信sdk还没有以flutter插件的形式提供支持,所以需要各自在android端和ios端集成
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前期准备:在 https://kefu.easemob.com/ 中设置好账号信息,flutter项目创建完成。
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附环信客服文档:http://docs.easemob.com/cs/300visitoraccess/androidsdkapi
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ps:本项目在安卓端采取插件形式集成,在ios端采取class的方式集成(在正式项目中统一一种集成方式较好)
android端
一.创建flutter插件
一步步设置好后,AS会帮助创建一个flutter插件项目
接下来主要在hx_plugin.dart文件下编写代码
1.首先创建MethodChannel对象、StreamController,并添加监听方法,这样就能接收原生端发送的广播:
static MethodChannel _channel =
const MethodChannel('hxkefu_plugin')..setMethodCallHandler(_handle);
static StreamController<dynamic> _messageController = new StreamController.broadcast();
static Future<void> _handle(MethodCall call){
//接收原生端发送名为message_listen的广播
if(call.method=="message_listen"){
_messageController.add(call.arguments);
}
}
2.编写flutter端发送到原生端的广播,下面的所有方法都是根据环信文档的androidAPI来写:
//初始化方法,在flutter端调用其他环信api前必须先调用该方法
static Future init(String appkey,String tenantId) async {
await _channel.invokeMethod('hxInit',{
"appkey":appkey,
"tenantId":tenantId
});
}
//环信注册api
static Future register(String username,String password)async{
return await _channel.invokeMethod('hxRegister',{
"username":username,
"password":password,
});
}
//环信登录api
static Future login(String username,String password,String userAvatar) async {
return await _channel.invokeMethod('hxLogin',{
"username":username,
"password":password,
"userAvatar":userAvatar
});
}
//环信登出api
static Future logout() async {
return await _channel.invokeMethod('hxLogout');
}
//进入聊天界面
static Future start(String kefuchannelimid) async {
return await _channel.invokeMethod('start',{
"kefuchannelimid":kefuchannelimid
});
}
//获得所有会话
static Future getAllConversions()async{
return await _channel.invokeMethod("getAllConversations");
}
static Future sendOrderInfo(String title,String orderTitle,String price,
String desc,String imageUrl,String itemUrl,String content,String kefuchannelimid)async{
return await _channel.invokeMethod("sendOrderInfo",{
"title":title,
"orderTitle":orderTitle,
"price":price,
"desc":desc,
"imageUrl":imageUrl,
"itemUrl":itemUrl,
"content":content,
"kefuchannelimid":kefuchannelimid
});
}
3. 在flutter项目中通过本地依赖的方式来引用
//在pubspec.yaml文件中引入,该插件项目文件与flutter项目同级
hxkefu_plugin:
path: "../hxkefu_plugin"
4.在flutter端调用该插件API
///在需要的地方调用插件API即可
///初始化
HxkefuPlugin.init("${appkey}", "${tenantId}");
///其他API的调用不一一展示了
5.在插件android端依赖环信androidSDK
将该插件项目以原生安卓中打开:
在插件项目的build.gradle文件引入环信androidSDK依赖
dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
//环信客服SDK
implementation 'com.hyphenate:kefu-easeui-android:latest.release' //或者 compile 'com.hyphenate:kefu-easeui-android:1.1.9r2'
//EaseUI中 头像获取用到了glide,请添加glide库
implementation 'com.github.bumptech.glide:glide:4.7.1' //其他版本也可以
//EaseUI中,fragment用到了android-support-v4包
implementation 'com.android.support:support-v4:28.0.0' //其他版本也可以
compileOnly 'com.android.support:appcompat-v7:28.0.0-alpha1'
compileOnly 'com.android.support:multidex:1.0.1'
compileOnly 'com.android.support.constraint:constraint-layout:1.1.0'
implementation 'androidx.core:core:1.5.0-alpha04'
}
并点击sync project with gradle files安装依赖
6.android端的代码主要在下图中的文件进行编写:
主要展示了环信初始化api的代码,关于环信文档上其他需要的api也是这样的写法了。
public static Context mContext;
static final Handler handler = new Handler(Looper.getMainLooper());
@Override
public void onAttachedToEngine(@NonNull FlutterPluginBinding flutterPluginBinding) {
channel = new MethodChannel(flutterPluginBinding.getFlutterEngine().getDartExecutor(), "${your_channel_name}");
mContext = flutterPluginBinding.getApplicationContext();
channel.setMethodCallHandler(this);
}
@Override
public void onMethodCall(@NonNull MethodCall call, @NonNull final Result result) {
if (call.method.equals("getPlatformVersion")) {
result.success("Android " + android.os.Build.VERSION.RELEASE);
} else if(call.method.equals("hxInit")){
String appkey = call.argument("appkey");
String tenantId = call.argument("tenantId");
System.out.println("==========appkey========="+appkey);
System.out.println("==========tenantId========="+tenantId);
ChatClient.Options options = new ChatClient.Options();
options.setAppkey(appkey);
options.setTenantId(tenantId);
_uiProvider = UIProvider.getInstance();
// Kefu SDK 初始化
if (!ChatClient.getInstance().init(mContext, options)){
return;
}
// Kefu EaseUI的初始化
_uiProvider.init(mContext);
// setEaseUIProvider(mContext);
connectionListener = new EMConnectionListener() {
@Override
public void onConnected() {
System.out.println("网络连接成功");
}
@Override
public void onDisconnected(int i) {
}
};
}
}
ios端
因为当时是两个人负责android和ios端,所以集成的方式不太一样,正确的做法是应该把插件在xcode那边编写好ios的代码,并调试。
1.在xcode打开插件项目,并引入环信ios sdk并配置
首先要下载环信提供的客服SDK,下载地址:http://www.easemob.com/download/cs(下载“iOS客服访客端SDK”)
往项目导入sdk的做法参考环信客服云文档-CEC IOS SDK集成-第3步:集成基础功能-准备工作。
PS:使用的环信sdk都是不包含实时音视频的版本,即:HelpDeskLite.framework和
HyphenateLite.framework,并使用环信demo里的EasyUI界面作为客服对话页面。
2.编写ios代码
在Runner文件夹创建文件。
@property(nonatomic) UIViewController *rootVc;
@end
@implementation HXPlugin
static NSString *const kMethodChannelName = @"${your_channel_name}";
static FlutterMethodChannel *mchannel;
static NSString *avatarUrl = @"";
static NSString *userName = @"";
//通道初始化
+(void) registerWithRegistrar:(NSObject<FlutterPluginRegistrar>*)registar{
mchannel = [FlutterMethodChannel methodChannelWithName:kMethodChannelName binaryMessenger:[registar messenger]];
HXPlugin* instance = [[HXPlugin alloc] init];
[registar addMethodCallDelegate:instance channel:mchannel];
}
//处理消息
-(void)handleMethodCall:(FlutterMethodCall*) call result:(FlutterResult) result{
NSLog(@"监听事件:%@",call.method);
if([@"init" isEqualToString:call.method]){
BOOL result = [self init:call.arguments[@"app_key"] withTenantId:call.arguments[@"tenant_id"]];
if(result){
//初始化成功
NSLog(@"环信初始化成功");
}else{
//初始化失败
NSLog(@"环信初始化成功");
}
}else if([@"login" isEqualToString:call.method]){
NSLog(@"环信user_name:%@", call.arguments[@"user_name"]);
NSLog(@"环信password:%@", call.arguments[@"password"]);
BOOL result = [self login:call.arguments[@"user_name"] :call.arguments[@"password"]];
if(result){
NSLog(@"环信登录成功");
}else{
NSLog(@"环信登录失败");
}
}
}
-(BOOL) init:(NSString*)appKey withTenantId:(NSString*) tenantId{
HDOptions *option = [[HDOptions alloc] init];
//初始化表情
[[HDEmotionEscape sharedInstance] setEaseEmotionEscapePattern:@"\\[[^\\[\\]]{1,3}\\]"];
[[HDEmotionEscape sharedInstance] setEaseEmotionEscapeDictionary:[HDConvertToCommonEmoticonsHelper emotionsDictionary]];
option.appkey = appKey;
option.tenantId = tenantId;
HDError *initError = [[HDClient sharedClient] initializeSDKWithOptions:option];
if(initError){
//初始化失败
NSLog(@"初始化错误信息:%@",initError.errorDescription);
return NO;
}else{
//初始化成功
return YES;
}
}
-(BOOL)login:(NSString*) userName:(NSString*) password{
HDClient *client = [HDClient sharedClient];
if(client.isLoggedInBefore == NO){
HDError *error = [client loginWithUsername:userName password:password];
if(error){
//登录失败
NSLog(@"登录失败错误信息:%@",error.errorDescription);
return NO;
}else{
//登陆成功
return YES;
}
}else{
//已经登录了
NSLog(@"环信已经登录");
return NO;
}
}