diegoveloper

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_samples/fetch_data/photo.dart';
import 'package:http/http.dart' as http;

class MainFetchData extends StatefulWidget {
  @override
  _MainFetchDataState createState() => _MainFetchDataState();
}

diegoveloper

import 'package:flutter/material.dart';

class MainPersistentTabBar extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
        length: 2,
        child: Scaffold(
          appBar: AppBar(

diegoveloper

import 'package:flutter/material.dart';
import 'package:flutter_samples/persistent_tabbar/page1.dart';
import 'package:flutter_samples/persistent_tabbar/page2.dart';

class MainPersistentTabBar extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return DefaultTabController(
        length: 2,

diegoveloper

@override
  Widget build(BuildContext context) {
    return Scaffold(
      body: NestedScrollView(
        headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
          return <Widget>[
            SliverAppBar(
              expandedHeight: 200.0,
              floating: false,
              pinned: true,

diegoveloper

 @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: DefaultTabController(
        length: 2,
        child: NestedScrollView(
          headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
            return <Widget>[
              SliverAppBar(
                expandedHeight: 200.0,

diegoveloper

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: DefaultTabController(
        length: 2,
        child: NestedScrollView(
          headerSliverBuilder: (BuildContext context, bool innerBoxIsScrolled) {
            return <Widget>[
              SliverAppBar(
                expandedHeight: 200.0,

diegoveloper

import 'package:flutter/material.dart';

class MainCollapsingToolbar extends StatefulWidget {
  @override
  _MainCollapsingToolbarState createState() => _MainCollapsingToolbarState();
}

class _MainCollapsingToolbarState extends State<MainCollapsingToolbar> {
  @override
  Widget build(BuildContext context) {

diegoveloper

import 'package:flutter/material.dart';
import 'package:flutter_samples/hero_animations/main_hero_animations.dart';

class Page1 extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
        padding: EdgeInsets.all(30.0),
        child: Stack(

diegoveloper

import 'package:flutter/material.dart';
import 'package:flutter_samples/hero_animations/main_hero_animations.dart';

class Page2 extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Padding(
        padding: EdgeInsets.all(30.0),
        child: Stack(

diegoveloper

import 'package:flutter/material.dart';

class HeroDialogRoute<T> extends PageRoute<T> {
  HeroDialogRoute({this.builder}) : super();

  final WidgetBuilder builder;

  @override
  bool get opaque => false;