public async Task ChangeLockWallpaper(Xamarin.Forms.View view)
{
AndroidView = ConvertFormsToNative(view, new Rectangle(0, 0, width / 6, height / 10));
var bitmap = ConvertViewToBitMap(AndroidView);
var info = wallpaperManager.WallpaperInfo;
var wallpaper = wallpaperManager.GetWallpaperFile(WallpaperManagerFlags.Lock);
var fileDescriptor = wallpaper.FileDescriptor;
var bitmapWallpaper = BitmapFactory.DecodeFileDescriptor(fileDescriptor);
wallpaper.Close();
Bitmap bmOverlay = Bitmap.CreateBitmap(bitmapWallpaper.Width, bitmapWallpaper.Height, bitmapWallpaper.GetConfig());
Canvas canvas = new Canvas(bmOverlay);
canvas.DrawBitmap(bitmapWallpaper, new Matrix(), null);
canvas.DrawBitmap(bitmap, 15, 15, null); // Changer la position du post-it
await Task.Run(() =>
{
wallpaperManager.SetBitmap(bmOverlay, null, true, WallpaperManagerFlags.Lock);
});
}
