async partial void AddBarcodePageClick(UIButton sender)
{
if (client != null && client.IsConnected)
{
Output("Creating tile...");
// remove an old tile
try {
var tiles = await client.TileManager.GetTilesTaskAsync();
if (tiles.Any(x => x.TileId.AsString() == tileId.AsString()))
{
// a tile exists, so remove it
await client.TileManager.RemoveTileTaskAsync(tileId);
Output("Removed tile!");
}
} catch (BandException ex) {
Output("Error: " + ex.Message);
}
// create the tile
NSError operationError;
var tileName = "iOS Sample";
var tileIcon = BandIcon.FromUIImage(UIImage.FromBundle("tile.png"), out operationError);
var smallIcon = BandIcon.FromUIImage(UIImage.FromBundle("badge.png"), out operationError);
var tile = BandTile.Create(tileId, tileName, tileIcon, smallIcon, out operationError);
tile.BadgingEnabled = true;
// create the barcode page
var textBlock = new TextBlock(PageRect.Create(0, 0, 230, 40), TextBlockFont.Small);
textBlock.ElementId = 10;
textBlock.Baseline = 25;
textBlock.HorizontalAlignment = HorizontalAlignment.Center;
textBlock.BaselineAlignment = TextBlockBaselineAlignment.Relative;
textBlock.AutoWidth = false;
var barcode = new Barcode(PageRect.Create(0, 5, 230, 95), BarcodeType.Code39);
barcode.ElementId = 11;
var flowPanel = new FlowPanel(PageRect.Create(15, 0, 260, 105));
flowPanel.AddElement(textBlock);
flowPanel.AddElement(barcode);
var pageLayout = new PageLayout();
pageLayout.Root = flowPanel;
tile.PageLayouts.Add(pageLayout);
// add the tile to the band
try {
Output("Adding tile...");
await client.TileManager.AddTileTaskAsync(tile);
} catch (BandException ex) {
Output("Error: " + ex.Message);
}
// set the page data
try {
Output("Creating page data...");
var pageValues = new PageElementData [] {
TextBlockData.Create(textBlock.ElementId, "Barcode value: A1 B", out operationError),
BarcodeData.Create(barcode.ElementId, BarcodeType.Code39, "A1 B", out operationError)
};
var page = PageData.Create(barcodePageId, 0, pageValues);
await client.TileManager.SetPagesTaskAsync(new[] { page }, tileId);
Output("Completed custom page!");
} catch (BandException ex) {
Output("Error: " + ex.Message);
}
}
else
{
Output("Band is not connected. Please wait....");
}
}
/// <summary>
/// Poll the native API for barcode scanner results.
/// </summary>
/// <returns>
/// An array of BarcodeData that contains the results
/// that the scanner has collected since the last call to this function. This array
/// may be empty if there are no new results.
/// </returns>
private static List <BarcodeData> MLBarcodeScannerGetResults()
{
try
{
// get results from native api
MLResult.Code resultCode = NativeBindings.MLBarcodeScannerGetResult(Instance.Handle, out NativeBindings.MLBarcodeScannerResultArray scannerResults);
if (MLResult.IsOK(resultCode))
{
var managedResults = new List <BarcodeData>((int)scannerResults.Count);
for (int i = 0; i < scannerResults.Count; i++)
{
// marshal native array into native structs
long address = scannerResults.Detections.ToInt64() + (Marshal.SizeOf <IntPtr>() * i);
NativeBindings.MLBarcodeScannerResult detectedResult = Marshal.PtrToStructure <NativeBindings.MLBarcodeScannerResult>(Marshal.ReadIntPtr(new IntPtr(address)));
MLPluginLog.Debug($"MLBarcodeScanner results found: {detectedResult}");
// create managed version of data
UnityEngine.Pose pose;
if (((BarcodeType)detectedResult.Type) == BarcodeType.QR)
{
if (!MagicLeapNativeBindings.UnityMagicLeap_TryGetPose(detectedResult.CoordinateFrameUID, out pose))
{
MLPluginLog.Error($"Barcode Scanner could not get pose data for coordinate frame id '{detectedResult.CoordinateFrameUID}'");
pose = Pose.identity;
}
}
else
{
pose = Pose.identity;
}
managedResults.Add
(
BarcodeData.Create
(
(BarcodeType)detectedResult.Type,
pose,
detectedResult.DecodedData.Data,
detectedResult.DecodedData.Size,
detectedResult.ReprojectionError
)
);
}
// release native memory so results can be polled again
if (MLResult.IsOK(NativeBindings.MLBarcodeScannerReleaseResult(scannerResults)))
{
return(managedResults);
}
else
{
MLPluginLog.Error($"MLBarcodeScanner.NativeBindings.MLBarcodeScannerReleaseResult failed when trying to release the results' memory. Reason: {MLResult.CodeToString(resultCode)}");
return(managedResults);
}
}
else
{
MLPluginLog.Error($"MLBarcodeScanner.MLBarcodeScannerGetResult failed to obtain a result. Reason: {resultCode}");
return(default);