Integrate the new Viewer UI

1// Add a viewer fragment to the layout container in the specified 
2// activity, and returns the added fragment
3public PdfViewCtrlTabHostFragment2 AddViewerFragment(int fragmentContainer, 
4            AppCompatActivity activity, Android.Net.Uri fileUri, String password)
5{
6    // Create the viewer fragment
7    PdfViewCtrlTabHostFragment2 fragment = (PdfViewCtrlTabHostFragment2)ViewerBuilder2.WithUri(fileUri, password).Build(activity);
8
9    // Add the fragment to the layout fragment container
10    activity.SupportFragmentManager.BeginTransaction()
11            .Replace(fragmentContainer, fragment)
12            .Commit();
13
14    return fragment;
15}

1private void OpenContentUriDocument(Context context, Android.Net.Uri contentUri)
2{
3    Intent intent = DocumentActivity.IntentBuilder.FromActivityClass(this, Java.Lang.Class.FromType(typeof(DocumentActivity)))
4        .WithUri(contentUri)
5        .UsingNewUi(true)
6        .Build();
7    StartActivity(intent);
8}

1// Supply a unique tag for the toolbar that will be referenced internally
2AnnotationToolbarBuilder builder = AnnotationToolbarBuilder.WithTag("my_unique_annotate_toolbar_tag")
3    // Set a display name for this toolbar
4    .SetToolbarName("Text Annotate")
5    // Adds three tool buttons (text highlight, freehand highlight, and text underline) to the scrollable region (left)
6    .AddToolButton(ToolbarButtonType.TextHighlight, DefaultToolbars.ButtonId.TextHighlight.Value())
7    .AddToolButton(ToolbarButtonType.FreeHighlight, DefaultToolbars.ButtonId.FreeHighlight.Value())
8    .AddToolButton(ToolbarButtonType.TextUnderline, DefaultToolbars.ButtonId.TextUnderline.Value())
9    // Adds two tool buttons (undo and redo) to the sticky region
10    .AddToolStickyButton(ToolbarButtonType.Undo, DefaultToolbars.ButtonId.Undo.Value())
11    .AddToolStickyButton(ToolbarButtonType.Redo, DefaultToolbars.ButtonId.Redo.Value());
12
13// Then supply the builder to ViewerConfig, which will be passed on to your viewer
14ViewerConfig config = new ViewerConfig.Builder()
15    // Add out custom annotation toolbar
16    .AddToolbarBuilder(builder)
17    // Other ViewerConfig settings...
18    .Build();

1AnnotationToolbarBuilder.WithTag("my_unique_annotate_toolbar_tag")
2        // Here we add a button with custom title, icon, and an id of 1000. 
3        // This id will be referenced when implementing callbacks
4        .AddCustomButton(Resource.String.custom_title, Resource.Drawable.custom_icon, 1000);

1mPdfViewCtrlTabHostFragment.ToolbarOptionsItemSelected += (sender, e) =>
2{
3    // The button id defined previously in the AnnotationToolbarBuilder
4    var id = e.P0.ItemId;
5    e.Handled = false;
6};