# 悬浮窗

## 悬浮窗的构建

```objectivec
//请通过测方法完成悬浮窗的初始化    
//传递CGPointZero参数则显示在默认左下角位置, 也可以传入其他位置参数, 但是要注意避开iPhone的刘海区域
NGADragBallView *dragBallView = [NGADragBallView dragBallViewWithPosition:CGPointZero];

//设置悬浮窗中分享按钮的功能
dragBallView.openShare = YES;   //开启分享功能
[dragBallView setupShareAction:@selector(share) onTarget:self];

/*
 - (void)share{
   //分享代码, 具体实现参考Demo代码并结合分享方式
 }
*/

//开启discord
dragBallView.openDiscord = YES; 
//在需要的情况下更新Discord URL
[dragBallView updateDiscordURL:[NSURL URLWithString:@"http://...."]];

//开启客服功能并设置玩家姓名参数便于提交相关表单信息
dragBallView.openForum = YES;   //开启Support功能
```

## 悬浮窗的显示与关闭

*建议在完成用户的登入后再显示悬浮窗*

悬浮窗的显示与关闭可以通过基本的视图管理来完成 例如:

```objectivec
//显示
[AppRootViewController.view addSubView:dragBallView];

//关闭
[dragBallView removeFromSuperview];
```

也可以通过NGADragBallView的内部方法完成 例如:

```objectivec
//显示
[dragBallView showPopView];

//关闭
[dragBallView closePopView];
```

## 悬浮窗中账号切换功能实现

实现文档 [登录](/sdk/ios-kai-fa-ji-cheng/deng-lu-sdk-ji-cheng/deng-lu.md)中 1. 代理方法`gameLoginKit: didUserChanged:`

## 悬浮窗按钮文字的自定义更改

NGALoginSDKStrings.bundle中存放着界面UI及部分提示用语的本地化.

悬浮窗按钮用到的按钮本地化语言包括如下, 可以根据需要进行相应的调整

```
"B_Bind" = "帳號管理";      //账号按钮
"B_Discord" = "Discord";  //Discord按钮
"B_Facebook" = "分享";    //分享按钮
"B_Support" = "客服";     //客服支援按钮
```


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