工作不常用但可能需要google的一些知识，整理总结一下，方便以后查找，本文收集的有4点：获取系统当前音量、NSLog宏定义、修改app语言、获取app基础信息。
获取系统音量(iOS6以上可用)
1 | [[AVAudioSession sharedInstance] outputVolume] |
NSLog宏
1 |
|
修改应用语言为中文
- 选中项目
- 选择
target info->Localization native development region->打开下拉选项卡选择china
使用block回调方式接收通知
block回调会retain系统，需要注意循环引用1
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11__weak typeof(self) weakSelf = self;
[[NSNotificationCenter defaultCenter] addObserverForName:UITextFieldTextDidChangeNotification object:self.userTextField queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification * _Nonnull note) {
UITextField *textField = note.object;
if (textField.text.length) {
[weakSelf.doneButton setTitleColor:[UIColor blackColor] forState:UIControlStateNormal];
[weakSelf.doneButton setUserInteractionEnabled:YES];
} else {
[weakSelf.doneButton setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
[weakSelf.doneButton setUserInteractionEnabled:NO];
}
}];
获取app信息
1 | // app 信息字典 |
控制台输出1
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150 {
BuildMachineOSBuild = 17C88;
CFBundleDevelopmentRegion = "zh_CN";
CFBundleDisplayName = "app名称";
CFBundleDocumentTypes = (
{
CFBundleTypeIconFiles = (
"Icon-Small.png",
"Icon.png"
);
CFBundleTypeName = "Aura Config";
CFBundleTypeRole = Viewer;
LSHandlerRank = Owner;
LSItemContentTypes = (
"com.aylanetworks.auraconfig"
);
}
);
CFBundleExecutable = Aura;
CFBundleIcons = {
CFBundlePrimaryIcon = {
CFBundleIconFiles = (
AppIcon29x29,
AppIcon40x40,
AppIcon60x60
);
CFBundleIconName = AppIcon;
UIPrerenderedIcon = 1;
};
};
CFBundleIdentifier = "bundle identifier";
CFBundleInfoDictionaryVersion = "6.0";
CFBundleName = Aura;
CFBundleNumericVersion = 50364416;
CFBundlePackageType = APPL;
CFBundleShortVersionString = "1.0";
CFBundleSignature = "????";
CFBundleSupportedPlatforms = (
iPhoneOS
);
CFBundleURLTypes = (
{
CFBundleTypeRole = Editor;
CFBundleURLSchemes = (
aylacontrol,
AgileLink,
AylaSmartPlug,
auracontrol
);
},
{
CFBundleTypeRole = Editor;
CFBundleURLSchemes = (
"com.googleusercontent.apps.654054971787-coh52to0m9qta3aoj0sjg224c5t4vg0r"
);
},
{
CFBundleTypeRole = Editor;
CFBundleURLSchemes = (
"AylaNetworks.iOS-Aura"
);
},
{
CFBundleTypeRole = Editor;
CFBundleURLSchemes = (
wxe450e4ee1187148c
);
}
);
CFBundleVersion = 3;
DTCompiler = "com.apple.compilers.llvm.clang.1_0";
DTPlatformBuild = 15C107;
DTPlatformName = iphoneos;
DTPlatformVersion = "11.2";
DTSDKBuild = 15C107;
DTSDKName = "iphoneos11.2";
DTXcode = 0920;
DTXcodeBuild = 9C40b;
ITSAppUsesNonExemptEncryption = 0;
LSApplicationQueriesSchemes = (
weixin
);
LSRequiresIPhoneOS = 1;
MinimumOSVersion = "9.0";
NSAppTransportSecurity = {
NSAllowsArbitraryLoads = 1;
NSAllowsLocalNetworking = 1;
};
NSBluetoothPeripheralUsageDescription = "Aura is requesting access to Bluetooth to manage nearby compatible devices.";
NSCameraUsageDescription = "Aura would like to use your camera to scan the QR Code.";
NSLocationWhenInUseUsageDescription = "Aura would like to use your location to fill the coordinates. Please allow the app to use your device's location services.";
UIAppFonts = (
"HelveticaNeue.ttc"
);
UIDeviceFamily = (
1
);
UILaunchImages = (
{
UILaunchImageMinimumOSVersion = "11.0";
UILaunchImageName = "LaunchImage-1100-Portrait-2436h";
UILaunchImageOrientation = Portrait;
UILaunchImageSize = "{375, 812}";
},
{
UILaunchImageMinimumOSVersion = "8.0";
UILaunchImageName = "LaunchImage-800-Portrait-736h";
UILaunchImageOrientation = Portrait;
UILaunchImageSize = "{414, 736}";
},
{
UILaunchImageMinimumOSVersion = "8.0";
UILaunchImageName = "LaunchImage-800-667h";
UILaunchImageOrientation = Portrait;
UILaunchImageSize = "{375, 667}";
},
{
UILaunchImageMinimumOSVersion = "7.0";
UILaunchImageName = "LaunchImage-700";
UILaunchImageOrientation = Portrait;
UILaunchImageSize = "{320, 480}";
},
{
UILaunchImageMinimumOSVersion = "7.0";
UILaunchImageName = "LaunchImage-700-568h";
UILaunchImageOrientation = Portrait;
UILaunchImageSize = "{320, 568}";
}
);
UIMainStoryboardFile = Login;
UIRequiredDeviceCapabilities = (
arm64
);
UISupportedInterfaceOrientations = (
UIInterfaceOrientationPortrait
);
UTExportedTypeDeclarations = (
{
UTTypeConformsTo = (
"public.data"
);
UTTypeDescription = "Aura Config File";
UTTypeIdentifier = "com.aylanetworks.auraconfig";
UTTypeTagSpecification = {
"public.filename-extension" = auraconfig;
"public.mime-type" = "application/json";
};
}
);
}