AppHelpers class

Constructors

AppHelpers()

Properties

hashCode → int?

The hash code for this object.

no setter, inherited

runtimeType → Type?

A representation of the runtime type of the object.

no setter, inherited

Methods

noSuchMethod(Invocation? invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String?

A string representation of this object.

inherited

Operators

operator ==(Object? other) → bool?

The equality operator.

inherited

Static Properties

hexArray ↔ List<String?>?

getter/setter pair

Static Methods

bigIntToBuffer(BigInt? i) → Uint8List?

Converts an BigInt to a Uint8List

bigIntToBytes(BigInt? bigInt) → Uint8List?

Convert a bigint to a byte array

bigIntToHex(BigInt? i) → String?

Converts a BigInt into a hex String

binaryToHex(String? binary) → String?

Converts a binary string into a hex string

bytesToUtf8String(Uint8List? bytes) → String?

Convert byte array to string utf-8

byteToBigInt(Uint8List? bigIntBytes) → BigInt?

byteToHex(Uint8List? bytes) → String?

Converts a Uint8List to a hex string

concat(List<Uint8List?>? bytes) → Uint8List?

Concatenates one or more byte arrays

fromHexString(dynamic string) → String?

hexToBinary(String? hex) → String?

Converts a hex string to a binary string

hexToBytes(String? hex) → Uint8List?

Converts a hex string to a Uint8List

intToBytes(int? integer, int? length) → Uint8List?

isHexString(String? input) → bool?

padUint8ListTo32(Uint8List? data) → Uint8List?

reverse(Uint8List? bytes) → Uint8List?

stringToBytesUtf8(String? str) → Uint8List?

Convert string to byte array

toHexString(dynamic byteArray, bool? withPrefix) → String?