problem description using the constructor with block, there is a warning at compile time: :Variable pointsRuleView is uninitialized when captured by block __block: what I want to ask is: what exactly is _ _ block doing here? complete c...
how to add permissions to iOS frontend, java backend and grpc? there is no official demo with permission, so there is no problem without permission. If you add permission to Android, you can t solve it on iOS. On the Android side, it is done in recei...
how does flutter implement custom navigation bar similar to Jinri Toutiao s navigation at the bottom of the head ...
when will the attributes added by ios in the classification be released? ...
CAShapeLayer plus UIBezierPath draws an oblique line. You can t click on it. Ask the boss for advice ...
problem description I m doing an APP setup interface, with a UIView at the top, followed by a set of Tableview. I wanted UIView to scroll with UITableView, so I added UIView as the head view of UITableView. After the addition is successful, the botto...
recently, we are looking for a free monitoring mode tool for Apple to use with MDM development. The only way for Apple to enable supervisory mode is to connect the iOS device to the Mac and use Apple Configurator 2 (this operation will reset the device)....
find out a set of results for sqlite, then run a for loop on this group of results and continue to check the database with sqlite to get similar results. Here is the method I am currently using. Is there an easy way? sources of topics and their own id...
problem description the login page of my app is a mode out of a VC app, log out, log in again, re-switch window.rootViewController but found that the viewWillAppear method in the first child VC of tab has been walked twice I found out the reason m...
t disconnected.Cannot connect file "C: Users suiwei Downloads day23-linux linux CentOS-6.4-i386-bin-DVD1.iso" as a CD-ROM image: Could not find the file...
for example, is calling their encapsulated method the same as before? Encapsulate the method, and then write their encapsulated method in the method? what would a natively written method look like? ...
now, after 19 years, Xiaobai has come to find out what architecture framework iOS Android has for new projects, considering decoupling and expansibility. He has modestly learned a lot of advice ...
UITapGestureRecognizer *tap =[[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapDeteted:)]; tapaction...
as shown in the following figure: : :suggestSizetotalHeight : the impact is not known yet. ps: Android side can be displayed normally with no error in height. ...
problem description after calling the system s address book interface CNContactPickerViewController, the contact list is offset upward and then blocked by the search box. the environmental background of the problems and what methods you have tried ...
does iOS 12 have a perfect jailbreak plan? ...
iOS uses pod to search and install DifferenceKit prompts that the installation failed and could not be found. Is there any way to solve it? Or the problem of uploading by the author himself. All other pod libraries are normal: Unable to find a pod wit...
[tempImg sd_setImageWithURL:url completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) { NSLog(@"!"); }]; ...
problem description remove the app that is not yet on the shelves in appstoreconnect, and then delete it in Apple developer Center. prompt as shown in the figure below. Is there any delay in the data Synchronize? I have been waiting for several hours...
what is the idea of ios similar to map sdk to read picture resources from the basic resource database? ...