crazycodeboy/flutter_splash_screen

flutter pub add flutter_splash_screen

package org.devio.flutter.splashscreen.example

import android.os.Bundle
import io.flutter.embedding.android.FlutterActivity

import org.devio.flutter.splashscreen.SplashScreen // add

class MainActivity : FlutterActivity() {
    override fun onCreate(savedInstanceState: Bundle?) {
        // SplashScreen.show(this) 
        // or enable full screen
        SplashScreen.show(this, true)
        super.onCreate(savedInstanceState)
    }
}

<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent" android:layout_height="match_parent"
    android:background="@android:color/white">

    <ImageView android:layout_width="match_parent" android:layout_height="match_parent"
        android:layout_gravity="center|top" android:scaleType="centerCrop"
        android:src="@mipmap/launch_screen" />
</FrameLayout>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="primary_dark">#000000</color>
</resources>

<resources>
    <!-- Base application theme. -->
    <style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
        <!-- Customize your theme here. -->
        <!--设置透明背景-->
        <item name="android:windowIsTranslucent">true</item>
    </style>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <color name="status_bar_color"><!-- Colour of your status bar here --></color>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>
    <style name="SplashScreenTheme" parent="SplashScreen_SplashTheme">
        <item name="colorPrimaryDark">@color/status_bar_color</item>
    </style>
</resources>

SplashScreen.show(this,R.style.SplashScreenTheme);

import 'dart:async';

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

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

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  @override
  void initState() {
    super.initState();
    hideScreen();
  }

  ///hide your splash screen
  Future<void> hideScreen() async {
    Future.delayed(Duration(milliseconds: 1800), () {
      FlutterSplashScreen.hide();
    });
  }

  ...