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c - A rare way to create a view, please give me some advice

The method of creating a view is very weird. I don’t understand what it means. Please give me some advice. The...

From [iOSdiscussion group] 2017-05-02 09:29:47 0  1  528

Objective-c - Can I get his frame in a custom view?

Can I get the view's own frame (position and size) from my custom view? If so, what should I do?

From [iOSdiscussion group] 2017-05-02 09:29:46 0  1  668

objective-c - The parent class controller inherited from the customization is not loaded using xib. What is the reason? It could be loaded before

[Xib Create Controller] 1. When creating a controller, the parent controller selects a customized controller B...

From [iOSdiscussion group] 2017-05-02 09:29:44 0  1  747

Objective-c - The data obtained by the implemented pedometer is inconsistent with the data in the health APP. Solve the problem.

When calling the CoreMation framework to obtain step counting data, I want to obtain the daily step count with...

From [iOSdiscussion group] 2017-05-02 09:29:42 0  0  897

objective-c - IOS Qiniu access push SDK reports an error hostnome = NULL?

I encountered some problems when connecting to Qiniu SDK, but there was no problem with the demo I wrote. Then...

From [iOSdiscussion group] 2017-05-02 09:29:40 0  0  583

objective-c - Customize the navigation bar to a search bar style similar to Meituan

Hello everyone, my requirements are as follows. I want to customize a search bar with a style like this. It's ...

From [iOSdiscussion group] 2017-05-02 09:29:38 0  1  1088

objective-c - OC It is better not to use properties in initialization methods or dealloc, why?

I have seen this description several times: It is best not to use attributes in the initialization method or d...

From [iOSdiscussion group] 2017-05-02 09:29:36 0  3  878

objective-c - storyboard page jump and value transfer

I checked some articles on the Internet and found some methods for storyboard page jumps and value transfers. ...

From [iOSdiscussion group] 2017-05-02 09:29:33 0  1  930

Objective-c - How does an iOS device know whether the current network is IPV4 or IPV6?

As the title states, the server my device currently accesses is through IP plus port. This time Apple requires...

From [iOSdiscussion group] 2017-05-02 09:29:30 0  2  1578

objective-c - The appsecret of WeChat open platform cannot be generated, the appid already exists

When I click to generate appsecret, it prompts that the identity of the operator has not been verified. When v...

From [iOSdiscussion group] 2017-05-02 09:29:28 0  0  760

objective-c - iOS UIBezierPath line drawing how to delete existing lines

Code to generate a line: self.path = [UIBezierPath bezierPath]; {code...} How to delete the above line and dra...

From [iOSdiscussion group] 2017-05-02 09:29:25 0  1  1329

Objective-c - Only the first few data sources are not displayed in the tableView. Dragging them downwards will display them completely. Why?

The cell of tableView is added to calculate the height of the cell and call the proxy method, which is returne...

From [iOSdiscussion group] 2017-05-02 09:29:21 0  1  655

objective-c - The problem of mixing UITabBar and UINavigation, the navigation bar is not displayed

{code...} {code...}

From [iOSdiscussion group] 2017-05-02 09:29:20 0  1  697

objective-c - Graphics context memory issue

When using graphics context to draw pictures, if the picture pixels are relatively large, then the memory will...

From [iOSdiscussion group] 2017-05-02 09:29:17 0  1  802

objective-c - I would like to ask some questions about the understanding of the atomic keyword of @property.

1. When learning about multi-thread safety, I learned to use synchronization locks to avoid "simultaneous...

From [iOSdiscussion group] 2017-05-02 09:29:14 0  2  697