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import 'package:flutter/material.dart';

class Shimmer extends StatefulWidget {
  final Widget child;
  final Duration period;
  final Gradient gradient;
  
  Shimmer({Key key, this.child, this.period, this.gradient}): super(key: key);
  
  @override

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import 'package:flutter/rendering.dart';

class _Shimmer extends SingleChildRenderObjectWidget {
  final Gradient gradient;

  _Shimmer({Widget child, this.gradient})
      : super(child: child);

  @override
  _ShimmerFilter createRenderObject(BuildContext context) {

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class _ShimmerState extends State<Shimmer> with TickerProviderStateMixin {
  AnimationController controller;

  @override
  void initState() {
    super.initState();
    controller = AnimationController(vsync: this, duration: widget.period)
      ..addListener(() {
        setState(() {});
      })

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class FlipWidget extends StatelessWidget {
  Widget child;

  FlipWidget({Key key, this.child}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      children: [

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@override
Widget build(BuildContext context) {
   return Column(
      mainAxisSize: MainAxisSize.min,
      children: [
        Transform(
          transform: Matrix4.rotationX(pi / 4),
          alignment: Alignment.bottomCenter,
          child: ClipRect(
              child: Align(

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...
Transform(
  transform: Matrix4.identity()..setEntry(3, 2, 0.006)..rotateX(pi / 4),
  alignment: Alignment.bottomCenter,
  child: ClipRect(
      child: Align(
    alignment: Alignment.topCenter,
    heightFactor: 0.5,
    child: child,
  )),

hnvn

import 'package:flutter/material.dart';
import 'dart:math' as math;
import 'dart:async';

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

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {

hnvn

import 'dart:async';

import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:zoomable_image/zoomable_image.dart';

import 'page_indicator.dart';

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import 'package:flutter/material.dart';
import 'dart:math';

class DotsIndicator extends AnimatedWidget {
  DotsIndicator({
    Key key,
    this.controller,
    this.itemCount,
    this.onPageSelected,
    this.color: Colors.white,

hnvn

import 'dart:convert';
import 'dart:math';
import 'dart:typed_data';
import "package:pointycastle/export.dart";
import "package:asn1lib/asn1lib.dart";

List<int> decodePEM(String pem) {
  var startsWith = [
    "-----BEGIN PUBLIC KEY-----",
    "-----BEGIN PRIVATE KEY-----",