实现ios拨打电话功能，与iphone自带键盘类似，可加入软件中方便用户拨打。-Ios call comes with the iphone keyboard similar software can be added to facilitate the user dials.

人脸识别软件 ，利用MATLAB编程，内有测试图片-Face recognition software, using MATLAB programming, there are test images

此代码是用object c实现的类似于iOS版微信聊天软件点击右上角按钮出现弹出框的那个框，经测试代码直接可以使用。-This code is used to achieve a similar object c for iOS WeChat chat software click the top right button pop-up box appears that box, the test code can be used directly.