Post not yet marked as solved
When UICollectionViewFlowLayoutAlertForInvalidItemSize Occured
Some Log Like These Occurred, and then app crash
*** Assertion failure in void _UIGraphicsBeginImageContextWithOptions(CGSize, BOOL, CGFloat, BOOL)(), UIGraphics.m:410
crash Output
*** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'UIGraphicsBeginImageContext() failed to allocate CGBitampContext: size={0, 16}, scale=3.000000, bitmapInfo=0x2002. Use UIGraphicsImageRenderer to avoid this assert.'
Post not yet marked as solved
There Many Crash Report Like this, But no any code about my business can tell me why, so I think this is a system bug, Who can tell me why and how to avoid it?
Thread 19 Crashed:
0 CoreFoundation __exceptionPreprocess +224
1 libobjc.A.dylib objc_exception_throw +56
2 CoreFoundation -[__NSSingleObjectEnumerator initWithObject:collection:] +0
3 CFNetwork _CFHTTPServerResponseEnqueue +24424
4 CFNetwork _CFHTTPServerResponseEnqueue +22476
5 CFNetwork _CFHTTPServerResponseEnqueue +31004
6 CFNetwork _CFHTTPMessageSetResponseProxyURL +8652
7 CFNetwork 0x00000001a09a6138 0x1a09a1000 + 20792
8 CFNetwork CFURLDownloadCancel +35396
9 CFNetwork CFURLDownloadCancel +29408
10 CFNetwork 0x00000001a09aa444 0x1a09a1000 + 37956
11 CFNetwork 0x00000001a09a7cf0 0x1a09a1000 + 27888
12 CFNetwork CFURLDownloadCancel +41784
13 libdispatch.dylib _dispatch_block_async_invoke2 +104
14 libdispatch.dylib _dispatch_client_callout +16
15 libdispatch.dylib _dispatch_lane_serial_drain$VARIANT$mp +608
16 libdispatch.dylib _dispatch_lane_invoke$VARIANT$mp +464
17 libdispatch.dylib _dispatch_workloop_worker_thread +588
18 libsystem_pthread.dylib _pthread_wqthread +272
19 libsystem_pthread.dylib start_wqthread +8
I have sent the crash file here, that i removed some information about my app
crash.crash
When I develop My WidgetKit Extension，I set some breakpoints for my code In the App Target And Extension Target ，It don't work，Who can help me solve this problem? Thank you!
Post not yet marked as solved
AnyOne Can tell me what's different about MXMemoryMetric and phys_footprint?
Which is the really one dicide the app should be killed by OOM?
Post not yet marked as solved
In my Singleton Class，I used [UIImage imageNamed:] in the block of dispatch_once，it sometimes crash，I have thought many days，my image is stored in my App（Not in Assets，In My custom Resource File），it's unbelievable，who can tell me why?
This is my Code
static dispatch_once_t onceToken;
static AClass *manager = nil;
dispatch_once(&onceToken, ^{
manager = [[AClass alloc] init];
dispatch_async(dispatch_get_global_queue(0, 0), ^{
NSMutableArray * imgDataList = [NSMutableArray array];
for (int i=0; i<=15; i++) {
NSString *imageName=[NSString stringWithFormat:@"imageNamedxx_%d@2x.png",i];
UIImage * img = [UIImage imageNamed:imageName];
if (img) {
[imgDataList addObject:img];
}
}
dispatch_async(dispatch_get_main_queue(), ^{
manager.liveImgData = [imgDataList copy];
});
});
});
return manager;
}
1
libobjc.A.dylib
objc_exception_throw
2
CoreFoundation
-[CFPrefsSearchListSource addManagedSourceForIdentifier:user:]
3
Foundation
-[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:]
4
UIKitCore
-[_UIImageCGImageContent initWithCGImage:scale:]
5
UIKitCore
-[CUINamedImage(UIKitAdditions) UIImageWithAsset:configuration:flippedHorizontally:optionalVectorImage:]
6
UIKitCore
-[UIImageAsset imageWithConfiguration:]
7
UIKitCore
-[_UIPathLazyImageAsset imageWithConfiguration:]
8
UIKitCore
+[UIImage imageNamed:inBundle:withConfiguration:]
myApp
AClass - 第 42 行（[UIImage imageNamed:]）
__34+[AClass shareInstance]_block_invoke_2 + 42
Post not yet marked as solved
I output the package size report according to the document, and found that the package size increase appears on systems that do not support WidgetKit, such as iOS11. I think this is wrong. WidgetKit is only used in iOS14. Why should the package size of low-level systems become larger?
1、Report With WidgetKit Of low-level systems
Supported variant descriptors: [device: iPhone10,2, os-version: 11.0], [device: iPhone10,3, os-version: 11.0], [device: iPhone10,5, os-version: 11.0], [device: iPhone9,4, os-version: 10.0], [device: iPhone9,2, os-version: 10.0], and [device: iPhone10,6, os-version: 11.0]
App + On Demand Resources size: 76.4 MB compressed, 162.4 MB uncompressed
App size: 76.4 MB compressed, 162.4 MB uncompressed
On Demand Resources size: Zero KB compressed, Zero KB uncompressed
2、 Report Without WidgetKit Of low-level systems
Supported variant descriptors: [device: iPhone10,3, os-version: 11.0], [device: iPhone9,2, os-version: 10.0], [device: iPhone10,2, os-version: 11.0], [device: iPhone10,5, os-version: 11.0], [device: iPhone10,6, os-version: 11.0], and [device: iPhone9,4, os-version: 10.0]
App + On Demand Resources size: 75.8 MB compressed, 160.6 MB uncompressed
App size: 75.8 MB compressed, 160.6 MB uncompressed
On Demand Resources size: Zero KB compressed, Zero KB uncompressed
Version 12.0 beta 6 (12A8189n)
I Down the Sample Code From Apple, The Example App For App Clips, Fruta.
When I built It with the Xcode 12 Bate4 , Error was happened, Who can tell me Why? Some one else has built the App Fruta?
The Error Code:
#if APPCLIP
Text("App Store Overlay")
.hidden()
.appStoreOverlay(isPresented: $presentingAppStoreOverlay)
{
			 SKOverlay.AppClipConfiguration(position: .bottom)
}
#endif
The complete Code:
var body: some View {
VStack(spacing: 0) {
Spacer()
orderStatusCard
Spacer()
if presentingBottomBanner {
bottomBanner
}
#if APPCLIP
Text("App Store Overlay")
.hidden()
.appStoreOverlay(isPresented: $presentingAppStoreOverlay) {
SKOverlay.AppClipConfiguration(position: .bottom)
}
#endif
}
.onChange(of: model.hasAccount) { _ in
#if APPCLIP
if model.hasAccount {
presentingAppStoreOverlay = true
}
#endif
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
.background(
ZStack {
if let order = model.order {
order.smoothie.image
.resizable()
.aspectRatio(contentMode: .fill)
} else {
Color("order-placed-background")
}
blurView
.opacity(model.order!.isReady ? 0 : 1)
}
.edgesIgnoringSafeArea(.all)
)
.animation(.spring(response: 0.25, dampingFraction: 1), value: orderReady)
.animation(.spring(response: 0.25, dampingFraction: 1), value: model.hasAccount)
.onAppear {
DispatchQueue.main.asyncAfter(deadline: .now() + 4) {
self.model.orderReadyForPickup()
}
#if APPCLIP
if model.hasAccount {
presentingAppStoreOverlay = true
}
#endif
}
}
Jerrydu.