AideDeJeu/AideDeJeu/AideDeJeu.Android/NativeAPI.cs

using AideDeJeu.Tools;
using Android.Content.PM;
using System;
using System.IO;

[assembly: Xamarin.Forms.Dependency(typeof(AideDeJeu.Droid.Version_Android))]
namespace AideDeJeu.Droid
{
    public class Version_Android : INativeAPI
    {
        public string GetVersion()
        {
            var context = global::Android.App.Application.Context;

            PackageManager manager = context.PackageManager;
            PackageInfo info = manager.GetPackageInfo(context.PackageName, 0);

            return info.VersionName;
        }

        public int GetBuild()
        {
            var context = global::Android.App.Application.Context;
            PackageManager manager = context.PackageManager;
            PackageInfo info = manager.GetPackageInfo(context.PackageName, 0);

            return info.VersionCode;
        }

        public string GetDatabasePath(string databaseName)
        {
            string path = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
            string dbPath = Path.Combine(path, databaseName);
            return dbPath;
            //var documentsDirectoryPath = System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal);
            //var path = Path.Combine(documentsDirectoryPath, databaseName);

            //// This is where we copy in our pre-created database
            //if (!File.Exists(path))
            //{
            //    using (var inStream = Android.App.Application.Context.Assets.Open(databaseName))
            //    {
            //        using (var outStream = new FileStream(path, FileMode.Create))
            //        {
            //            inStream.CopyTo(outStream);
            //        }
            //    }
            //    //using (var binaryReader = new BinaryReader(Android.App.Application.Context.Assets.Open(databaseName)))
            //    //{
            //    //    using (var binaryWriter = new BinaryWriter(new FileStream(path, FileMode.Create)))
            //    //    {
            //    //        byte[] buffer = new byte[2048];
            //    //        int length = 0;
            //    //        while ((length = binaryReader.Read(buffer, 0, buffer.Length)) > 0)
            //    //        {
            //    //            binaryWriter.Write(buffer, 0, length);
            //    //        }
            //    //    }
            //    //}
            //}
            //return path;
        }
    }
}