util library

Classes

ChoreographerUtil

LogUtils

MatrixDecompositionContext

MatrixUtil

ScreenObserver

ScreenUtil

TransformUtil

Enums

LogLevel

ScreenInfoSource

Extensions

BinaryUtilEncodeEx on Object

BinaryUtilEx on Uint8List

JSonBinaryUtilEx on String

StringEx on String

TypeEx on Object

Constants

epsilon → const double

Functions

combineProps(VoltronMap origin, VoltronMap diff, {int combineLevel = 0}) → VoltronMap

createDir(Directory? parent, String dirName) → Future<Directory?>

currentMicroseconds() → int

currentTimeMillis() → int

enumValueToString(Object o) → String

fileNameByFile(FileSystemEntity? file) → String

floatsEqual(double f1, double f2) → bool

getDimensions(int windowWidth, int windowHeight, bool shouldUseScreenDisplay, BuildContext? context) → VoltronMap

getImage(String src) → ImageProvider<Object>

getJsonDoubleNumber(double? value, [double defaultValue = 0.0]) → double

获取json格式下的double number, 如果当前number的值为null或nan，就返回默认值 或 0.0

getSizeFromKey(GlobalKey<State<StatefulWidget>> key) → Size

imageFromBase64String(String base64String) → MemoryImage

isDoubleNan(double f1) → bool

isEmpty(String? value) → bool

loadAssetFileBinary(String name) → Future<ByteData>

objectToJson(Object? obj) → String

parseJsonString(String jsonString) → Object?

stringFormat(String value) → String

Typedefs

LogListener = dynamic Function(String tag, LogLevel level, String msg)