mirror of
https://github.com/Swiftgram/Telegram-iOS.git
synced 2025-12-12 09:19:52 +00:00
Merge pull request #1160 from Adlai-Holler/AHUpdateSwiftExample
[Swift] Update Swift Example, resolve build issue with some Swift projects.
This commit is contained in:
appleguy
commit
f1e000906d
@ -13,13 +13,19 @@ Pod::Spec.new do |spec|
|
||||
'AsyncDisplayKit/*.h',
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'AsyncDisplayKit/Details/**/*.h',
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||||
'AsyncDisplayKit/Layout/*.h',
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'AsyncDisplayKit/TextKit/*.h',
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'Base/*.h'
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'Base/*.h',
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'AsyncDisplayKit/TextKit/ASTextNodeTypes.h'
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]
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||||
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spec.source_files = [
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'AsyncDisplayKit/**/*.{h,m,mm}',
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'Base/*.{h,m}'
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'Base/*.{h,m}',
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# Most TextKit components are not public because the C++ content
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# in the headers will cause build errors when using
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# `use_frameworks!` on 0.39.0 & Swift 2.1.
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# See https://github.com/facebook/AsyncDisplayKit/issues/1153
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'AsyncDisplayKit/TextKit/*.h',
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]
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spec.frameworks = 'AssetsLibrary'
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@ -165,10 +165,7 @@ static const NSInteger kMaxLitterSize = 100; // max number of kitten cell
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- (void)tableView:(UITableView *)tableView willBeginBatchFetchWithContext:(ASBatchContext *)context
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{
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dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
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sleep(1);
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dispatch_async(dispatch_get_main_queue(), ^{
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dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
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// populate a new array of random-sized kittens
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NSArray *moarKittens = [self createLitterWithSize:kLitterBatchSize];
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@ -187,7 +184,6 @@ static const NSInteger kMaxLitterSize = 100; // max number of kitten cell
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[context completeBatchFetching:YES];
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});
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});
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}
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- (BOOL)tableView:(UITableView *)tableView canEditRowAtIndexPath:(NSIndexPath *)indexPath
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@ -1,3 +1,6 @@
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source 'https://github.com/CocoaPods/Specs.git'
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platform :ios, '8.0'
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use_frameworks!
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pod 'AsyncDisplayKit', :path => '../..'
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@ -10,9 +10,10 @@
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050E7C7419D22E19004363C2 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 050E7C7319D22E19004363C2 /* AppDelegate.swift */; };
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050E7C7619D22E19004363C2 /* ViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 050E7C7519D22E19004363C2 /* ViewController.swift */; };
|
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05DDD8DB19D2336300013C30 /* Default-568h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 05DDD8DA19D2336300013C30 /* Default-568h@2x.png */; };
|
||||
4690009EF79C47BBA8FDBAD4 /* libPods.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 2ACC614D420B4E90B7EE3BCE /* libPods.a */; };
|
||||
6C5053DB19EE266A00E385DE /* Default-667h@2x.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C5053D919EE266A00E385DE /* Default-667h@2x.png */; };
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6C5053DC19EE266A00E385DE /* Default-736h@3x.png in Resources */ = {isa = PBXBuildFile; fileRef = 6C5053DA19EE266A00E385DE /* Default-736h@3x.png */; };
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92E46E91A7D47AEC5B2B2F55 /* Pods.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 7FC29F18AE7C8C204A5CD4F2 /* Pods.framework */; };
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CCB01CAB1C5FEA6E00CA64C4 /* TailLoadingCellNode.swift in Sources */ = {isa = PBXBuildFile; fileRef = CCB01CAA1C5FEA6E00CA64C4 /* TailLoadingCellNode.swift */; };
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/* End PBXBuildFile section */
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||||
|
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/* Begin PBXFileReference section */
|
||||
@ -21,11 +22,11 @@
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050E7C7319D22E19004363C2 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
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||||
050E7C7519D22E19004363C2 /* ViewController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ViewController.swift; sourceTree = "<group>"; };
|
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05DDD8DA19D2336300013C30 /* Default-568h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; name = "Default-568h@2x.png"; path = "../Default-568h@2x.png"; sourceTree = "<group>"; };
|
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05DDD8DC19D2341D00013C30 /* AsyncDisplayKit-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "AsyncDisplayKit-Bridging-Header.h"; sourceTree = "<group>"; };
|
||||
2ACC614D420B4E90B7EE3BCE /* libPods.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libPods.a; sourceTree = BUILT_PRODUCTS_DIR; };
|
||||
6C5053D919EE266A00E385DE /* Default-667h@2x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-667h@2x.png"; sourceTree = SOURCE_ROOT; };
|
||||
6C5053DA19EE266A00E385DE /* Default-736h@3x.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = "Default-736h@3x.png"; sourceTree = SOURCE_ROOT; };
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7FC29F18AE7C8C204A5CD4F2 /* Pods.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = Pods.framework; sourceTree = BUILT_PRODUCTS_DIR; };
|
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841652076B3E9351337AA7C7 /* Pods.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.debug.xcconfig; path = "Pods/Target Support Files/Pods/Pods.debug.xcconfig"; sourceTree = "<group>"; };
|
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CCB01CAA1C5FEA6E00CA64C4 /* TailLoadingCellNode.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = TailLoadingCellNode.swift; sourceTree = "<group>"; };
|
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E3EE87D12CE3EF73FAE2EF02 /* Pods.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = Pods.release.xcconfig; path = "Pods/Target Support Files/Pods/Pods.release.xcconfig"; sourceTree = "<group>"; };
|
||||
/* End PBXFileReference section */
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@ -34,7 +35,7 @@
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isa = PBXFrameworksBuildPhase;
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buildActionMask = 2147483647;
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files = (
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4690009EF79C47BBA8FDBAD4 /* libPods.a in Frameworks */,
|
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92E46E91A7D47AEC5B2B2F55 /* Pods.framework in Frameworks */,
|
||||
);
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||||
runOnlyForDeploymentPostprocessing = 0;
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||||
};
|
||||
@ -65,6 +66,7 @@
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050E7C7019D22E19004363C2 /* Sample */ = {
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||||
isa = PBXGroup;
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||||
children = (
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||||
CCB01CAA1C5FEA6E00CA64C4 /* TailLoadingCellNode.swift */,
|
||||
050E7C7319D22E19004363C2 /* AppDelegate.swift */,
|
||||
050E7C7519D22E19004363C2 /* ViewController.swift */,
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||||
050E7C7119D22E19004363C2 /* Supporting Files */,
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||||
@ -75,7 +77,6 @@
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||||
050E7C7119D22E19004363C2 /* Supporting Files */ = {
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||||
isa = PBXGroup;
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||||
children = (
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||||
05DDD8DC19D2341D00013C30 /* AsyncDisplayKit-Bridging-Header.h */,
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||||
050E7C7219D22E19004363C2 /* Info.plist */,
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||||
05DDD8DA19D2336300013C30 /* Default-568h@2x.png */,
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||||
6C5053D919EE266A00E385DE /* Default-667h@2x.png */,
|
||||
@ -87,7 +88,7 @@
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092C2001FE124604891D6E90 /* Frameworks */ = {
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||||
isa = PBXGroup;
|
||||
children = (
|
||||
2ACC614D420B4E90B7EE3BCE /* libPods.a */,
|
||||
7FC29F18AE7C8C204A5CD4F2 /* Pods.framework */,
|
||||
);
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||||
name = Frameworks;
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||||
sourceTree = "<group>";
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||||
@ -113,6 +114,7 @@
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050E7C6B19D22E19004363C2 /* Frameworks */,
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||||
050E7C6C19D22E19004363C2 /* Resources */,
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||||
941C5E41C54B4613A2D3B760 /* Copy Pods Resources */,
|
||||
1F5A9F09F5875F61862D0783 /* Embed Pods Frameworks */,
|
||||
);
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||||
buildRules = (
|
||||
);
|
||||
@ -131,7 +133,7 @@
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attributes = {
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||||
LastSwiftMigration = 0700;
|
||||
LastSwiftUpdateCheck = 0700;
|
||||
LastUpgradeCheck = 0600;
|
||||
LastUpgradeCheck = 0720;
|
||||
ORGANIZATIONNAME = Facebook;
|
||||
TargetAttributes = {
|
||||
050E7C6D19D22E19004363C2 = {
|
||||
@ -171,6 +173,21 @@
|
||||
/* End PBXResourcesBuildPhase section */
|
||||
|
||||
/* Begin PBXShellScriptBuildPhase section */
|
||||
1F5A9F09F5875F61862D0783 /* Embed Pods Frameworks */ = {
|
||||
isa = PBXShellScriptBuildPhase;
|
||||
buildActionMask = 2147483647;
|
||||
files = (
|
||||
);
|
||||
inputPaths = (
|
||||
);
|
||||
name = "Embed Pods Frameworks";
|
||||
outputPaths = (
|
||||
);
|
||||
runOnlyForDeploymentPostprocessing = 0;
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||||
shellPath = /bin/sh;
|
||||
shellScript = "\"${SRCROOT}/Pods/Target Support Files/Pods/Pods-frameworks.sh\"\n";
|
||||
showEnvVarsInLog = 0;
|
||||
};
|
||||
941C5E41C54B4613A2D3B760 /* Copy Pods Resources */ = {
|
||||
isa = PBXShellScriptBuildPhase;
|
||||
buildActionMask = 2147483647;
|
||||
@ -208,6 +225,7 @@
|
||||
isa = PBXSourcesBuildPhase;
|
||||
buildActionMask = 2147483647;
|
||||
files = (
|
||||
CCB01CAB1C5FEA6E00CA64C4 /* TailLoadingCellNode.swift in Sources */,
|
||||
050E7C7619D22E19004363C2 /* ViewController.swift in Sources */,
|
||||
050E7C7419D22E19004363C2 /* AppDelegate.swift in Sources */,
|
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);
|
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@ -236,6 +254,7 @@
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"CODE_SIGN_IDENTITY[sdk=iphoneos*]" = "iPhone Developer";
|
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COPY_PHASE_STRIP = NO;
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ENABLE_STRICT_OBJC_MSGSEND = YES;
|
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ENABLE_TESTABILITY = YES;
|
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GCC_C_LANGUAGE_STANDARD = gnu99;
|
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GCC_DYNAMIC_NO_PIC = NO;
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GCC_OPTIMIZATION_LEVEL = 0;
|
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@ -300,8 +319,8 @@
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||||
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
|
||||
INFOPLIST_FILE = Sample/Info.plist;
|
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LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
|
||||
PRODUCT_BUNDLE_IDENTIFIER = "com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)";
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PRODUCT_NAME = "$(TARGET_NAME)";
|
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SWIFT_OBJC_BRIDGING_HEADER = "Sample/AsyncDisplayKit-Bridging-Header.h";
|
||||
};
|
||||
name = Debug;
|
||||
};
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@ -312,8 +331,8 @@
|
||||
ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
|
||||
INFOPLIST_FILE = Sample/Info.plist;
|
||||
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
|
||||
PRODUCT_BUNDLE_IDENTIFIER = "com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)";
|
||||
PRODUCT_NAME = "$(TARGET_NAME)";
|
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SWIFT_OBJC_BRIDGING_HEADER = "Sample/AsyncDisplayKit-Bridging-Header.h";
|
||||
};
|
||||
name = Release;
|
||||
};
|
||||
|
||||
@ -1,6 +1,6 @@
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||||
<?xml version="1.0" encoding="UTF-8"?>
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||||
<Scheme
|
||||
LastUpgradeVersion = "0620"
|
||||
LastUpgradeVersion = "0720"
|
||||
version = "1.3">
|
||||
<BuildAction
|
||||
parallelizeBuildables = "YES"
|
||||
@ -23,10 +23,10 @@
|
||||
</BuildActionEntries>
|
||||
</BuildAction>
|
||||
<TestAction
|
||||
buildConfiguration = "Debug"
|
||||
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
|
||||
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
|
||||
shouldUseLaunchSchemeArgsEnv = "YES"
|
||||
buildConfiguration = "Debug">
|
||||
shouldUseLaunchSchemeArgsEnv = "YES">
|
||||
<Testables>
|
||||
</Testables>
|
||||
<MacroExpansion>
|
||||
@ -38,15 +38,18 @@
|
||||
ReferencedContainer = "container:Sample.xcodeproj">
|
||||
</BuildableReference>
|
||||
</MacroExpansion>
|
||||
<AdditionalOptions>
|
||||
</AdditionalOptions>
|
||||
</TestAction>
|
||||
<LaunchAction
|
||||
buildConfiguration = "Debug"
|
||||
selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
|
||||
selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
|
||||
launchStyle = "0"
|
||||
useCustomWorkingDirectory = "NO"
|
||||
buildConfiguration = "Debug"
|
||||
ignoresPersistentStateOnLaunch = "NO"
|
||||
debugDocumentVersioning = "YES"
|
||||
debugServiceExtension = "internal"
|
||||
allowLocationSimulation = "YES">
|
||||
<BuildableProductRunnable
|
||||
runnableDebuggingMode = "0">
|
||||
@ -62,10 +65,10 @@
|
||||
</AdditionalOptions>
|
||||
</LaunchAction>
|
||||
<ProfileAction
|
||||
buildConfiguration = "Release"
|
||||
shouldUseLaunchSchemeArgsEnv = "YES"
|
||||
savedToolIdentifier = ""
|
||||
useCustomWorkingDirectory = "NO"
|
||||
buildConfiguration = "Release"
|
||||
debugDocumentVersioning = "YES">
|
||||
<BuildableProductRunnable
|
||||
runnableDebuggingMode = "0">
|
||||
|
||||
10
examples/Swift/Sample.xcworkspace/contents.xcworkspacedata
generated
Normal file
10
examples/Swift/Sample.xcworkspace/contents.xcworkspacedata
generated
Normal file
@ -0,0 +1,10 @@
|
||||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<Workspace
|
||||
version = "1.0">
|
||||
<FileRef
|
||||
location = "group:Sample.xcodeproj">
|
||||
</FileRef>
|
||||
<FileRef
|
||||
location = "group:Pods/Pods.xcodeproj">
|
||||
</FileRef>
|
||||
</Workspace>
|
||||
@ -19,7 +19,7 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
|
||||
func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
|
||||
let window = UIWindow(frame: UIScreen.mainScreen().bounds)
|
||||
window.backgroundColor = UIColor.whiteColor()
|
||||
window.rootViewController = ViewController(nibName: nil, bundle: nil)
|
||||
window.rootViewController = ViewController()
|
||||
window.makeKeyAndVisible()
|
||||
self.window = window
|
||||
return true
|
||||
|
||||
@ -1,12 +0,0 @@
|
||||
/* This file provided by Facebook is for non-commercial testing and evaluation
|
||||
* purposes only. Facebook reserves all rights not expressly granted.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
* FACEBOOK BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
||||
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#import <AsyncDisplayKit/AsyncDisplayKit.h>
|
||||
@ -7,7 +7,7 @@
|
||||
<key>CFBundleExecutable</key>
|
||||
<string>$(EXECUTABLE_NAME)</string>
|
||||
<key>CFBundleIdentifier</key>
|
||||
<string>com.facebook.AsyncDisplayKit.$(PRODUCT_NAME:rfc1034identifier)</string>
|
||||
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
|
||||
<key>CFBundleInfoDictionaryVersion</key>
|
||||
<string>6.0</string>
|
||||
<key>CFBundleName</key>
|
||||
|
||||
53
examples/Swift/Sample/TailLoadingCellNode.swift
Normal file
53
examples/Swift/Sample/TailLoadingCellNode.swift
Normal file
@ -0,0 +1,53 @@
|
||||
//
|
||||
// TailLoadingCellNode.swift
|
||||
// Sample
|
||||
//
|
||||
// Created by Adlai Holler on 2/1/16.
|
||||
// Copyright © 2016 Facebook. All rights reserved.
|
||||
//
|
||||
|
||||
import AsyncDisplayKit
|
||||
import UIKit
|
||||
|
||||
final class TailLoadingCellNode: ASCellNode {
|
||||
let spinner = SpinnerNode()
|
||||
let text = ASTextNode()
|
||||
|
||||
override init() {
|
||||
super.init()
|
||||
addSubnode(text)
|
||||
text.attributedString = NSAttributedString(
|
||||
string: "Loading…",
|
||||
attributes: [
|
||||
NSFontAttributeName: UIFont.systemFontOfSize(12),
|
||||
NSForegroundColorAttributeName: UIColor.lightGrayColor(),
|
||||
NSKernAttributeName: -0.3
|
||||
])
|
||||
addSubnode(spinner)
|
||||
}
|
||||
|
||||
override func layoutSpecThatFits(constrainedSize: ASSizeRange) -> ASLayoutSpec {
|
||||
return ASStackLayoutSpec(
|
||||
direction: .Horizontal,
|
||||
spacing: 16,
|
||||
justifyContent: .Center,
|
||||
alignItems: .Center,
|
||||
children: [ text, spinner ])
|
||||
}
|
||||
}
|
||||
|
||||
final class SpinnerNode: ASDisplayNode {
|
||||
var activityIndicatorView: UIActivityIndicatorView {
|
||||
return view as! UIActivityIndicatorView
|
||||
}
|
||||
|
||||
override init() {
|
||||
super.init(viewBlock: { UIActivityIndicatorView(activityIndicatorStyle: .Gray) }, didLoadBlock: nil)
|
||||
preferredFrameSize.height = 32
|
||||
}
|
||||
|
||||
override func didLoad() {
|
||||
super.didLoad()
|
||||
activityIndicatorView.startAnimating()
|
||||
}
|
||||
}
|
||||
@ -10,57 +10,136 @@
|
||||
*/
|
||||
|
||||
import UIKit
|
||||
import AsyncDisplayKit
|
||||
|
||||
class ViewController: UIViewController, ASTableViewDataSource, ASTableViewDelegate {
|
||||
final class ViewController: ASViewController, ASTableDataSource, ASTableDelegate {
|
||||
|
||||
var tableView: ASTableView
|
||||
struct State {
|
||||
var itemCount: Int
|
||||
var fetchingMore: Bool
|
||||
static let empty = State(itemCount: 20, fetchingMore: false)
|
||||
}
|
||||
|
||||
enum Action {
|
||||
case BeginBatchFetch
|
||||
case EndBatchFetch(resultCount: Int)
|
||||
}
|
||||
|
||||
// MARK: UIViewController.
|
||||
var tableNode: ASTableNode {
|
||||
return node as! ASTableNode
|
||||
}
|
||||
|
||||
override required init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: NSBundle?) {
|
||||
self.tableView = ASTableView()
|
||||
private(set) var state: State = .empty
|
||||
|
||||
super.init(nibName: nil, bundle: nil)
|
||||
|
||||
self.tableView.asyncDataSource = self
|
||||
self.tableView.asyncDelegate = self
|
||||
init() {
|
||||
super.init(node: ASTableNode())
|
||||
tableNode.delegate = self
|
||||
tableNode.dataSource = self
|
||||
}
|
||||
|
||||
required init?(coder aDecoder: NSCoder) {
|
||||
fatalError("storyboards are incompatible with truth and beauty")
|
||||
}
|
||||
|
||||
override func viewDidLoad() {
|
||||
super.viewDidLoad()
|
||||
self.view.addSubview(self.tableView)
|
||||
}
|
||||
|
||||
override func viewWillLayoutSubviews() {
|
||||
self.tableView.frame = self.view.bounds
|
||||
}
|
||||
|
||||
override func prefersStatusBarHidden() -> Bool {
|
||||
return true
|
||||
}
|
||||
|
||||
|
||||
// MARK: ASTableView data source and delegate.
|
||||
|
||||
func tableView(tableView: ASTableView!, nodeForRowAtIndexPath indexPath: NSIndexPath!) -> ASCellNode! {
|
||||
let patter = NSString(format: "[%ld.%ld] says hello!", indexPath.section, indexPath.row)
|
||||
func tableView(tableView: ASTableView, nodeForRowAtIndexPath indexPath: NSIndexPath) -> ASCellNode {
|
||||
// Should read the row count directly from table view but
|
||||
// https://github.com/facebook/AsyncDisplayKit/issues/1159
|
||||
let rowCount = self.tableView(tableView, numberOfRowsInSection: 0)
|
||||
|
||||
if state.fetchingMore && indexPath.row == rowCount - 1 {
|
||||
return TailLoadingCellNode()
|
||||
}
|
||||
|
||||
let node = ASTextCellNode()
|
||||
node.text = patter as String
|
||||
node.text = String(format: "[%ld.%ld] says hello!", indexPath.section, indexPath.row)
|
||||
|
||||
return node
|
||||
}
|
||||
|
||||
func numberOfSectionsInTableView(tableView: UITableView!) -> Int {
|
||||
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
|
||||
return 1
|
||||
}
|
||||
|
||||
func tableView(tableView: UITableView!, numberOfRowsInSection section: Int) -> Int {
|
||||
return 20
|
||||
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
|
||||
var count = state.itemCount
|
||||
if state.fetchingMore {
|
||||
count += 1
|
||||
}
|
||||
return count
|
||||
}
|
||||
|
||||
func tableView(tableView: ASTableView, willBeginBatchFetchWithContext context: ASBatchContext) {
|
||||
/// This call will come in on a background thread. Switch to main
|
||||
/// to add our spinner, then fire off our fetch.
|
||||
dispatch_async(dispatch_get_main_queue()) {
|
||||
let oldState = self.state
|
||||
self.state = ViewController.handleAction(.BeginBatchFetch, fromState: oldState)
|
||||
self.renderDiff(oldState)
|
||||
}
|
||||
|
||||
ViewController.fetchDataWithCompletion { resultCount in
|
||||
let action = Action.EndBatchFetch(resultCount: resultCount)
|
||||
let oldState = self.state
|
||||
self.state = ViewController.handleAction(action, fromState: oldState)
|
||||
self.renderDiff(oldState)
|
||||
context.completeBatchFetching(true)
|
||||
}
|
||||
}
|
||||
|
||||
private func renderDiff(oldState: State) {
|
||||
let tableView = tableNode.view
|
||||
tableView.beginUpdates()
|
||||
|
||||
// Add or remove items
|
||||
let rowCountChange = state.itemCount - oldState.itemCount
|
||||
if rowCountChange > 0 {
|
||||
let indexPaths = (oldState.itemCount..<state.itemCount).map { index in
|
||||
NSIndexPath(forRow: index, inSection: 0)
|
||||
}
|
||||
tableView.insertRowsAtIndexPaths(indexPaths, withRowAnimation: .None)
|
||||
} else if rowCountChange < 0 {
|
||||
assertionFailure("Deleting rows is not implemented. YAGNI.")
|
||||
}
|
||||
|
||||
// Add or remove spinner.
|
||||
if state.fetchingMore != oldState.fetchingMore {
|
||||
if state.fetchingMore {
|
||||
// Add spinner.
|
||||
let spinnerIndexPath = NSIndexPath(forRow: state.itemCount, inSection: 0)
|
||||
tableView.insertRowsAtIndexPaths([ spinnerIndexPath ], withRowAnimation: .None)
|
||||
} else {
|
||||
// Remove spinner.
|
||||
let spinnerIndexPath = NSIndexPath(forRow: oldState.itemCount, inSection: 0)
|
||||
tableView.deleteRowsAtIndexPaths([ spinnerIndexPath ], withRowAnimation: .None)
|
||||
}
|
||||
}
|
||||
tableView.endUpdatesAnimated(false, completion: nil)
|
||||
}
|
||||
|
||||
/// (Pretend) fetches some new items and calls the
|
||||
/// completion handler on the main thread.
|
||||
private static func fetchDataWithCompletion(completion: (Int) -> Void) {
|
||||
let time = dispatch_time(DISPATCH_TIME_NOW, Int64(NSTimeInterval(NSEC_PER_SEC) * 0.5))
|
||||
dispatch_after(time, dispatch_get_main_queue()) {
|
||||
let resultCount = Int(arc4random_uniform(20))
|
||||
completion(resultCount)
|
||||
}
|
||||
}
|
||||
|
||||
private static func handleAction(action: Action, var fromState state: State) -> State {
|
||||
switch action {
|
||||
case .BeginBatchFetch:
|
||||
state.fetchingMore = true
|
||||
case let .EndBatchFetch(resultCount):
|
||||
state.itemCount += resultCount
|
||||
state.fetchingMore = false
|
||||
}
|
||||
return state
|
||||
}
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user