osu-lazer/osu.Android/OsuGameActivity.cs

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.

using Android.App;
using Android.Content.PM;
using Android.OS;
using Android.Views;
using osu.Framework.Android;

namespace osu.Android
{
    [Activity(Theme = "@android:style/Theme.NoTitleBar", MainLauncher = true, ScreenOrientation = ScreenOrientation.FullSensor, SupportsPictureInPicture = false, ConfigurationChanges = ConfigChanges.Orientation | ConfigChanges.ScreenSize, HardwareAccelerated = true)]
    public class OsuGameActivity : AndroidGameActivity
    {
        protected override Framework.Game CreateGame() => new OsuGameAndroid();

        protected override void OnCreate(Bundle savedInstanceState)
        {
            // The default current directory on android is '/'.
            // On some devices '/' maps to the app data directory. On others it maps to the root of the internal storage.
            // In order to have a consistent current directory on all devices the full path of the app data directory is set as the current directory.
            System.Environment.CurrentDirectory = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);

            base.OnCreate(savedInstanceState);

            Window.AddFlags(WindowManagerFlags.Fullscreen);
            Window.AddFlags(WindowManagerFlags.KeepScreenOn);
        }
    }
}