jogboms

import 'dart:async';
import 'dart:math';
import 'dart:typed_data';
import 'dart:ui' as ui;
import 'package:flutter/services.dart' show rootBundle;
import 'package:flutter/material.dart' hide Image;

void main() => runApp(new MyApp());

jogboms

import 'dart:math' as math;

import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

const double kTwoPi = 2 * math.pi;

class SectorConstraints extends Constraints {
  const SectorConstraints({

jogboms

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

jogboms

Android: Generate Release/Debug Keystores

Generate Keystores

Debug Keystore

$ keytool -genkey -v -keystore debug.keystore -storepass android -alias androiddebugkey -keypass android -keyalg RSA -keysize 2048 -validity 10000 -dname "C=US, O=Android, CN=Android Debug"