公司又有了新项目，依然是含有即时通讯功能模块的项目。在经历了上个项目对环信sdk的集成后，对环信EaseUI有了大概的了解。这次果断还是集成环信，一回生二回熟，毕竟哪些地方有坑心里有数了。所以这次的项目集成起来就相对来说顺利很多。
项目集成的是环信V3.3.2版本，但今天下载了V3.3.4版本检查了一下，发现依然有不少V3.3.2版本遗留的问题没有修复，下面会列出一些项目中遇到的问题，并提供解决办法。
首先在会话界面自定义一个类比如BHChatViewController，继承自EaseMessageViewController类，基本上一个简单的界面就有了。因为是医疗类的项目，对话双方有可能是患者和患者，也有可能是患者和医生。项目需求是如果是患者和医生聊天，必须先经过预约，并只能在预约时间区间内才能和医生发送聊天消息、图片、语音、实时音视频。
以下就是EaseMessageViewController类的发送各种消息的方法
那么根据需要只需重写以下方法即可。
/*!
@method
@brief 发送文本消息
@discussion
@param text 文本消息
@result
*/
- (void)sendTextMessage:(NSString *)text;
/*!
@method
@brief 发送文本消息
@discussion
@param text 文本消息
@param ext 扩展信息
@result
*/
- (void)sendTextMessage:(NSString *)text withExt:(NSDictionary*)ext;
/*!
@method
@brief 发送图片消息
@discussion
@param image 发送图片
@result
*/
- (void)sendImageMessage:(UIImage *)image;
/*!
@method
@brief 发送位置消息
@discussion
@param latitude 经度
@param longitude 纬度
@param address 地址
@result
*/
- (void)sendLocationMessageLatitude:(double)latitude
longitude:(double)longitude
andAddress:(NSString *)address;
/*!
@method
@brief 发送语音消息
@discussion
@param localPath 语音本地地址
@param duration 时长
@result
*/
- (void)sendVoiceMessageWithLocalPath:(NSString *)localPath
duration:(NSInteger)duration;
/*!
@method
@brief 发送视频消息
@discussion
@param url 视频url
@result
*/
- (void)sendVideoMessageWithURL:(NSURL *)url;
我在对发送图片的操作进行处理的时候，发现当拍照发图时，走这个方法
//当你拍照发图时，走这个方法
- (void)sendImageMessage:(UIImage *)image;
但当从相册选择图片发送时，会发现，不走上面的方法了。
仔细检查代码发现走了EaseMessageViewController.m的如下方法
环信2.png
然而这个方法，环信并没有放在EaseMessageViewController.h成为公开方法。我们只需手动粘贴方法到.h，然后在自己的子类重写就可以了。
还有一个关于更多下图更多功能区域的问题
EaseChatBarMoreView.png
如上图所示，相册、拍照、视频等附加功能按钮，环信用EaseChatBarMoreView类来管理的。
如果需要增加功能按钮用这个方法
/*!
@method
@brief 新增一个新的功能按钮
@discussion
@param image 按钮图片
@param highLightedImage 高亮图片
@param title 按钮标题
@result
*/
- (void)insertItemWithImage:(UIImage*)image
highlightedImage:(UIImage*)highLightedImage
title:(NSString*)title;
移除某个功能按钮用这个方法
/*!
@method
@brief 根据索引删除功能按钮
@discussion
@param index 按钮索引
@result
*/
- (void)removeItematIndex:(NSInteger)index;
修改一个功能按钮用这个方法
/*!
@method
@brief 修改功能按钮图片
@discussion
@param image 按钮图片
@param highLightedImage 高亮图片
@param title 按钮标题
@param index 按钮索引
@result
*/
- (void)updateItemWithImage:(UIImage*)image
highlightedImage:(UIImage*)highLightedImage
title:(NSString*)title
atIndex:(NSInteger)index;
可当你添加按钮，或者修改按钮时，会发现按钮的名字设置不了
然后检查环信内部的实现，发现title的值在方法里根本就没用到？！
索性不用updateItemWithImage这个方法了，直接去改内部代码。
修改代码如下
到EaseChatBarMoreView.m修改- (void)setupSubviewsForType:(EMChatToolbarType)type方法。改动的部分在代码后面有标注。
- (void)setupSubviewsForType:(EMChatToolbarType)type
{
//self.backgroundColor = [UIColor clearColor];
self.accessibilityIdentifier = @"more_view";
_scrollview = [[UIScrollView alloc] init];
_scrollview.pagingEnabled = YES;
_scrollview.showsHorizontalScrollIndicator = NO;
_scrollview.showsVerticalScrollIndicator = NO;
_scrollview.delegate = self;
[self addSubview:_scrollview];
_pageControl = [[UIPageControl alloc] init];
_pageControl.currentPage = 0;
_pageControl.numberOfPages = 1;
[self addSubview:_pageControl];
CGFloat insets = (self.frame.size.width - 4 * CHAT_BUTTON_SIZE) / 5;
_photoButton =[UIButton buttonWithType:UIButtonTypeCustom];
[_photoButton setTitle:@"相册" forState:UIControlStateNormal];//改动
[_photoButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//改动
_photoButton.titleLabel.font = [UIFont systemFontOfSize: 12.0];//改动
_photoButton.imageEdgeInsets = UIEdgeInsetsMake(-10, 0, 20, 0);//改动
_photoButton.titleEdgeInsets = UIEdgeInsetsMake(14, -60, -20, 0);//改动
_photoButton.accessibilityIdentifier = @"image";
[_photoButton setFrame:CGRectMake(insets, 10, CHAT_BUTTON_SIZE , CHAT_BUTTON_SIZE+10)];//改动
[_photoButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_photo"] forState:UIControlStateNormal];
[_photoButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_photoSelected"] forState:UIControlStateHighlighted];
[_photoButton addTarget:self action:@selector(photoAction) forControlEvents:UIControlEventTouchUpInside];
_photoButton.tag = MOREVIEW_BUTTON_TAG;
[_scrollview addSubview:_photoButton];
_locationButton =[UIButton buttonWithType:UIButtonTypeCustom];
[_locationButton setTitle:@"位置" forState:UIControlStateNormal];//改动
[_locationButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//改动
_locationButton.titleLabel.font = [UIFont systemFontOfSize: 12.0];//改动
_locationButton.imageEdgeInsets = UIEdgeInsetsMake(-10, 0, 20, 0);//改动
_locationButton.titleEdgeInsets = UIEdgeInsetsMake(14, -60, -20, 0);//改动
_locationButton.accessibilityIdentifier = @"location";
[_locationButton setFrame:CGRectMake(insets * 2 + CHAT_BUTTON_SIZE, 10, CHAT_BUTTON_SIZE , CHAT_BUTTON_SIZE+10)];//
[_locationButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_location"] forState:UIControlStateNormal];
[_locationButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_locationSelected"] forState:UIControlStateHighlighted];
[_locationButton addTarget:self action:@selector(locationAction) forControlEvents:UIControlEventTouchUpInside];
_locationButton.tag = MOREVIEW_BUTTON_TAG + 1;
[_scrollview addSubview:_locationButton];
_takePicButton =[UIButton buttonWithType:UIButtonTypeCustom];
[_takePicButton setTitle:@"拍照" forState:UIControlStateNormal];//改动
[_takePicButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//改动
_takePicButton.titleLabel.font = [UIFont systemFontOfSize: 12.0];//改动
_takePicButton.imageEdgeInsets = UIEdgeInsetsMake(-10, 0, 20, 0);//改动
_takePicButton.titleEdgeInsets = UIEdgeInsetsMake(14, -60, -20, 0);//改动
[_takePicButton setFrame:CGRectMake(insets * 3 + CHAT_BUTTON_SIZE * 2, 10, CHAT_BUTTON_SIZE , CHAT_BUTTON_SIZE+10)];//改动
[_takePicButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_camera"] forState:UIControlStateNormal];
[_takePicButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_cameraSelected"] forState:UIControlStateHighlighted];
[_takePicButton addTarget:self action:@selector(takePicAction) forControlEvents:UIControlEventTouchUpInside];
_takePicButton.tag = MOREVIEW_BUTTON_TAG + 2;
_maxIndex = 2;
[_scrollview addSubview:_takePicButton];
CGRect frame = self.frame;
if (type == EMChatToolbarTypeChat) {
frame.size.height = 150;
_audioCallButton =[UIButton buttonWithType:UIButtonTypeCustom];
[_audioCallButton setTitle:@"语音" forState:UIControlStateNormal];//改动
[_audioCallButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//改动
_audioCallButton.titleLabel.font = [UIFont systemFontOfSize: 12.0];//改动
_audioCallButton.imageEdgeInsets = UIEdgeInsetsMake(-10, 0, 20, 0);//改动
_audioCallButton.titleEdgeInsets = UIEdgeInsetsMake(14, -60, -20, 0);//改动
[_audioCallButton setFrame:CGRectMake(insets * 4 + CHAT_BUTTON_SIZE * 3, 10, CHAT_BUTTON_SIZE , CHAT_BUTTON_SIZE+10)];//
[_audioCallButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_audioCall"] forState:UIControlStateNormal];
[_audioCallButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_audioCallSelected"] forState:UIControlStateHighlighted];
[_audioCallButton addTarget:self action:@selector(takeAudioCallAction) forControlEvents:UIControlEventTouchUpInside];
_audioCallButton.tag = MOREVIEW_BUTTON_TAG + 3;
[_scrollview addSubview:_audioCallButton];
_videoCallButton =[UIButton buttonWithType:UIButtonTypeCustom];
[_videoCallButton setTitle:@"视频" forState:UIControlStateNormal];//改动
[_videoCallButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];//改动
_videoCallButton.titleLabel.font = [UIFont systemFontOfSize: 12.0];//改动
_videoCallButton.imageEdgeInsets = UIEdgeInsetsMake(-10, 0, 20, 0);//改动
_videoCallButton.titleEdgeInsets = UIEdgeInsetsMake(14, -60, -20, 0);//改动
[_videoCallButton setFrame:CGRectMake(insets, 10 * 2 + CHAT_BUTTON_SIZE + 10, CHAT_BUTTON_SIZE , CHAT_BUTTON_SIZE+10)];//
[_videoCallButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_videoCall"] forState:UIControlStateNormal];
[_videoCallButton setImage:[UIImage easeImageNamed:@"EaseUIResource.bundle/chatBar_colorMore_videoCallSelected"] forState:UIControlStateHighlighted];
[_videoCallButton addTarget:self action:@selector(takeVideoCallAction) forControlEvents:UIControlEventTouchUpInside];
_videoCallButton.tag =MOREVIEW_BUTTON_TAG + 4;
_maxIndex = 4;
[_scrollview addSubview:_videoCallButton];
}
else if (type == EMChatToolbarTypeGroup)
{
frame.size.height = 80;
}
self.frame = frame;
_scrollview.frame = CGRectMake(0, 0, CGRectGetWidth(frame), CGRectGetHeight(frame));
_pageControl.frame = CGRectMake(0, CGRectGetHeight(frame) - 20, CGRectGetWidth(frame), 20);
_pageControl.hidden = _pageControl.numberOfPages<=1;
}
[Github] (https://github.com/BHAreslee)
以上就是集成环信时暂时发现的问题，欢迎大家分享你们遇到的问题，也欢迎加入QQ群：372251359，一起讨论交流即时通讯的问题。
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