wallpaper_manager 1.0.1

A Flutter plugin for changing the Home Screen, Lock Screen (or both) Wallpaper on Android devices.

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:flutter_cache_manager/flutter_cache_manager.dart';
import 'package:wallpaper_manager/wallpaper_manager.dart';

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

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

class _MyAppState extends State<MyApp> {
  String _platformVersion = 'Unknown';
  String _wallpaperFile = 'Unknown';
  String _wallpaperAsset = 'Unknown';

  @override
  void initState() {
    super.initState();
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> initPlatformState() async {
    String platformVersion;
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      platformVersion = await WallpaperManager.platformVersion;
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _platformVersion = platformVersion;
    });
  }


  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> setWallpaperFromFile() async {
    setState(() {
      _wallpaperFile = "Loading";
    });
    String result;
    var file =
    await DefaultCacheManager().getSingleFile('http://screensavers.riotgames.com/v2/latest/content/original/VideoStills/Warriors/war_2020_02.jpg');
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      result = await WallpaperManager.setWallpaperFromFile(file.path, WallpaperManager.HOME_SCREEN);
    } on PlatformException {
      result = 'Failed to get wallpaper.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _wallpaperFile = result;
    });
  }

  // Platform messages are asynchronous, so we initialize in an async method.
  Future<void> setWallpaperFromAsset() async {
    setState(() {
      _wallpaperAsset = "Loading";
    });
    String result;
    String assetPath = "assets/tmp1.jpg";
    // Platform messages may fail, so we use a try/catch PlatformException.
    try {
      result = await WallpaperManager.setWallpaperFromAsset(assetPath, WallpaperManager.HOME_SCREEN);
    } on PlatformException {
      result = 'Failed to get wallpaper.';
    }

    // If the widget was removed from the tree while the asynchronous platform
    // message was in flight, we want to discard the reply rather than calling
    // setState to update our non-existent appearance.
    if (!mounted) return;

    setState(() {
      _wallpaperAsset = result;
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Column(
          children: <Widget>[
            RaisedButton(
              child: Text("Platform Version"),
              onPressed: initPlatformState,
            ),
            Center(
              child: Text('Running on: $_platformVersion\n'),
            ),

            RaisedButton(
              child: Text("Set wallpaper from file"),
              onPressed: setWallpaperFromFile,
            ),
            Center(
              child: Text('Wallpaper status: $_wallpaperFile\n'),
            ),

            RaisedButton(
              child: Text("Set wallpaper from asset"),
              onPressed: setWallpaperFromAsset,
            ),
            Center(
              child: Text('Wallpaper status: $_wallpaperAsset\n'),
            ),

          ],
        )
      ),
    );
  }
}