public PdfListView(Context context, AKPdfViewer container) : base(context)
{
_context = context;
_container = container;
LayoutParameters = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MatchParent, ViewGroup.LayoutParams.MatchParent);
_pdfGestureDetectorListener = new SimplePdfGestureListener(this);
_pdfGestureDetector = new GestureDetector(_pdfGestureDetectorListener);
_pdfScaleGestureListener = new SimplePdfScaleGestureListener(this);
_pdfScaleDetector = new ScaleGestureDetector(_context, _pdfScaleGestureListener);
this.Scroll += ListScroll;
this.ScrollStateChanged += ListScrollStateChanged;
}
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
ViewGroup mainView = (ViewGroup)FindViewById(Android.Resource.Id.Content);
// Get our button from the layout resource,
// and attach an event to it
Button button = FindViewById <Button>(Resource.Id.myButton);
button.Click += delegate {
var filePath = CopyPdfDocument();
_pdfViewer = new AKPdfViewer(Application.Context, filePath);
_pdfViewer.MarginTop = _pdfViewer.MarginBottom = 0;
_pdfViewer.MarginLeft = _pdfViewer.MarginRight = 0;
_pdfViewer.SetLayout();
_pdfViewer.SetModalMode(true, "Close");
mainView.AddView(_pdfViewer);
_pdfViewer.OnCustomerPdfViewerError += PopulateErrorToWebView;
_pdfViewer.DidDismiss += DidDismiss;
};
void DidDismiss(object sender, EventArgs e)
{
if (_pdfViewer != null)
{
if (_pdfViewer.IsModal)
{
_pdfViewer.DidDismiss -= DidDismiss;
}
_pdfViewer.OnCustomerPdfViewerError -= PopulateErrorToWebView;
mainView.RemoveView(_pdfViewer);
_pdfViewer = null;
}
}
void PopulateErrorToWebView(object sender, string errorMsg)
{
Console.WriteLine(errorMsg);
}
string CopyPdfDocument()
{
string pdfName = "test.pdf";
string pdfPath = Path.Combine("data/data/com.companyname.akpdfviewer", pdfName);
// Check if your DB has already been extracted.
if (!File.Exists(pdfPath))
{
using (BinaryReader br = new BinaryReader(Android.App.Application.Context.Assets.Open(pdfName)))
{
using (BinaryWriter bw = new BinaryWriter(new FileStream(pdfPath, FileMode.Create)))
{
byte[] buffer = new byte[2048];
int len = 0;
while ((len = br.Read(buffer, 0, buffer.Length)) > 0)
{
bw.Write(buffer, 0, len);
}
}
}
}
return(pdfPath);
}
}
