ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(
    MaterialApp(
      title: "Stack层叠布局示例",
      home: MyApp(),
    ),
  );
}

ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    title: "Column 垂直布局",
    home: LayoutDemo(),
  ));
}

class LayoutDemo extends StatelessWidget {

ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    title: "Row 水平布局",
    home: Scaffold(
        appBar: AppBar(
          title: Text("Row 水平布局"),
        ),
        body: Row(

ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    title: "Align 对齐布局示例",
    home: LayoutDemo(),
  ));
}

class LayoutDemo extends StatelessWidget {

ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    title: "Padding 填充布局示例",
    home: LayoutDemo(),
  ));
}

class LayoutDemo extends StatelessWidget {

ryanlid

import "package:flutter/material.dart";

void main() {
  runApp(
    MaterialApp(
      title: "Center 居中布局示例",
      home: LayoutDemo(),
    ),
  );
}

ryanlid

import 'package:flutter/material.dart';

void main() {
  runApp(MaterialApp(
    title: "Container 容器布局",
    home: LayoutDemo(),
  ));
}

class LayoutDemo extends StatelessWidget {

ryanlid

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

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

ryanlid

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

void main() {
  runApp((MyApp()));
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {

ryanlid

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

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {