Ios NSDictionary在目标C中设置Bundle时为空
我在设置中有文本字段,我可以从中获取值。每当我试图从PSMultiValueSpecifier获取字典时,它总是空的。即使我在settings bundle中进行了选择,但它仍然为null,我可以理解它的null util用户进行了选择,但它始终保持为nullIos NSDictionary在目标C中设置Bundle时为空,ios,iphone,objective-c,settings.bundle,Ios,Iphone,Objective C,Settings.bundle,我在设置中有文本字段,我可以从中获取值。每当我试图从PSMultiValueSpecifier获取字典时,它总是空的。即使我在settings bundle中进行了选择,但它仍然为null,我可以理解它的null util用户进行了选择,但它始终保持为null <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.appl
<?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>PreferenceSpecifiers</key>
<array>
<dict>
<key>Title</key>
<string>Please Select Orientation</string>
<key>Type</key>
<string>PSGroupSpecifier</string>
</dict>
<dict>
<key>Type</key>
<string>PSToggleSwitchSpecifier</string>
<key>Title</key>
<string>Landscape</string>
<key>Key</key>
<string>orientationSwitch</string>
<key>DefaultValue</key>
<true/>
</dict>
<dict>
<key>Type</key>
<string>PSGroupSpecifier</string>
<key>Title</key>
<string>Select Board</string>
</dict>
<dict>
<key>Type</key>
<string>PSTextFieldSpecifier</string>
<key>Title</key>
<string></string>
<key>Key</key>
<string>boardTextField</string>
</dict>
<dict>
<key>Type</key>
<string>PSMultiValueSpecifier</string>
<key>Title</key>
<string>Select Board</string>
<key>Key</key>
<string>boardChoice</string>
<key>DefaultValue</key>
<string>1</string>
<key>Titles</key>
<array>
<string>Glass</string>
<string>Welcome</string>
<string>Mate</string>
</array>
<key>Values</key>
<array>
<string>0</string>
<string>1</string>
<string>2</string>
</array>
</dict>
</array>
<key>StringsTable</key>
<string>Root</string>
</dict>
</plist>
谢谢类型为“PSMultiValueSpecifier”的首选项不会在
用户默认值,但可能是其中一个“值”。所以
应该可以工作,并且在您的情况下应该返回“0”、“1”或“2”。它可以工作,我在NSDictionary上尝试了不同的操作,所以它总是空的。它应该是NSString*boardChoice,而不是NSDictionary*boardChoice。
NSDictionary *boardChoice = [defaults dictionaryForKey:@"boardChoice"];
NSLog(@"board Choice = %@", boardChoice);
NSString *boardChoice = [defaults stringForKey:@"boardChoice"];