我正在尝试创建今天的窗口小部件。我不想使用情节提要。
我使用main.storyboard
-我的视图控制器的名称作为值,删除NSExtensionMainStoryboard
,删除NSExtensionPrincipalClass
键并添加TodayViewController
键。
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>CFBundleDevelopmentRegion</key>
<string>$(DEVELOPMENT_LANGUAGE)</string>
<key>CFBundleDisplayName</key>
<string>Today</string>
<key>CFBundleExecutable</key>
<string>$(EXECUTABLE_NAME)</string>
<key>CFBundleIdentifier</key>
<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
<key>CFBundleInfoDictionaryVersion</key>
<string>6.0</string>
<key>CFBundleName</key>
<string>$(PRODUCT_NAME)</string>
<key>CFBundlePackageType</key>
<string>$(PRODUCT_BUNDLE_PACKAGE_TYPE)</string>
<key>CFBundleShortVersionString</key>
<string>1.0</string>
<key>CFBundleVersion</key>
<string>1</string>
<key>NSExtension</key>
<dict>
<key>NSExtensionPrincipalClass</key>
<string>TodayViewController</string>
<key>NSExtensionPointIdentifier</key>
<string>com.apple.widget-extension</string>
</dict>
</dict>
</plist>
启动应用程序后,它会崩溃并显示以下消息。我不明白原因。
Terminating app due to uncaught exception
'NSInvalidArgumentException',
reason: '*** -[__NSDictionaryM setObject:forKey:]:
object cannot be nil
(key: B30E0116-B86D-428B-A5DC-5C7732BEAEC5)'
*** First throw call stack:
(0x18245dc30 0x1821780c8 0x1824b65f4 0x1824c0618
0x182332a24 0x1827dff7c
0x1827df644 0x182103bb0 0x18210500c 0x18210b484
0x18210beb0 0x182114f20 0x18216aaa0 0x182170c78)
libc++abi.dylib: terminating with uncaught exception of type NSException
您可以在没有情节提要的情况下添加Today-widget。您的.plist
文件应包含NSExtensionMainStoryboard
或NSExtensionPrincipalClass
键,并在NSExtension
词典中带有字符串值。
只需添加:
@objc(YourViewController)
class YourViewController: UIViewController...
并在YourViewController
文件中用NSExtensionPrincipalClass
键将.plist
字符串名称添加为值。