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objective-c - After downloading some m3u8 format videos, the playback progress bar of the player flashes once during playback, and the screen becomes black and the playback cannot be played. In other cases, the screen goes black directly. What's going on?

2016-05-18 15:52:20.694 VideoTest[1701:93070] 15:52:20.694 ERROR: >aq> 1609: Exiting because mCo...

From [iOSdiscussion group] 2017-05-02 09:24:43 0  1  979

objective-c - National Weather Service Open Platform

I want to make a weather application and want to use the data of the National Meteorological Administration, b...

From [iOSdiscussion group] 2017-05-02 09:24:42 0  2  776

objective-c - Can't variables be used in guard in Swift? What should I do if I want to modify it?

//I want to change the value of num2 in guard. But an error is reported func demoGuard() { {code...} }

From [iOSdiscussion group] 2017-05-02 09:24:41 0  2  540

objective-c - I addedSubview in the tableview, a view that has its own proxy, but the proxy was not triggered.

I addedSubview in the tableview, a view that has its own proxy, but the proxy was not triggered.

From [iOSdiscussion group] 2017-05-02 09:24:39 0  1  598

objective-c - iOS How to set the text to be opaque when setting the background transparency of the UIlabel

UILabel *leftLabel = [[UILabel alloc]initWithFrame:CGRectMake(0+20, UIViewHeight - 20, UIViewWidth, 20)]; {代碼....

From [iOSdiscussion group] 2017-05-02 09:24:37 0  0  492

objective-c - How to write iOS AFNetworking3.0 queue request?

In the past, AFNetworking's queue request used AFHTTPRequestOperation. How to request it in 3.0?

From [iOSdiscussion group] 2017-05-02 09:24:36 0  1  466

In Objective-C, some methods are preceded by plus and minus signs. Is this correct?

In Objective-C, some methods in classes have a + plus sign, and some have a - minus sign. The differences betw...

From [iOSdiscussion group] 2017-05-02 09:24:35 0  1  794

objective-c - json data processing

OC How to send {"message":{"function":"user_login","user":{"name&...

From [iOSdiscussion group] 2017-05-02 09:24:33 0  4  510

Objective-c - TextKit path exclusion height calculation issue

To insert pictures into articles to implement path exclusion, UITextView dynamically calculates the height usi...

From [iOSdiscussion group] 2017-05-02 09:24:31 0  1  643

objective-c

{code...}

From [iOSdiscussion group] 2017-05-02 09:24:29 0  0  552

objective-c - Real machine test error Code=3840

Error Domain=NSCocoaErrorDomain Code=3840 "The operation couldn’t be completed. (Cocoa error 3840.)"...

From [iOSdiscussion group] 2017-05-02 09:24:28 0  0  698

objective-c - linker command failed with exit code 1 error when running the code

I copied a copy of his project code from a friend, but when I ran it, I got the error linker command failed wi...

From [iOSdiscussion group] 2017-05-02 09:24:26 0  2  6255

Targeting proxy method without callback - Stack Overflow

// Determine whether the positioning operation is allowed {code...} ** Callback method (iPhone4s, 5, this meth...

From [iOSdiscussion group] 2017-05-02 09:24:24 0  0  536

objective-c - What third parties are there for mixed graphics and text?

I wrote one myself but it’s not very easy to use. I don’t know if there is any useful third party that mixes i...

From [iOSdiscussion group] 2017-05-02 09:24:23 0  0  468

How to display FFMpeg decoded ts stream on ios side - Stack Overflow

1. I want to get the decoded i-frame, and then display the i-frame picture in different places to achieve the ...

From [iOSdiscussion group] 2017-05-02 09:24:20 0  0  651