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Setup (Android)keyboard_arrow_down

Realtime collaboration setup

You can setup realtime collaboration functionality using the collaboration package with the PDFTron SDK.

Realtime collaboration setup for Xamarin.Android

This tutorial only applies to Xamarin.Android.

Prerequisites

  • Minimum API: 21
  • Java 8

To compile for Java 8, add the following to your application's .csproj file:

Visual Studio 2019 is required

<PropertyGroup>
  <AndroidEnableDesugar>true</AndroidEnableDesugar>
  <AndroidDexTool>d8</AndroidDexTool>
</PropertyGroup>

Step 1: Integration

  1. Integrate PDFTron core and the tools library as described here .
  2. Open the NuGet package manager by right click on your project, and click Manage NuGet Packages.... Then in Browse tab, search for PDFTron.

Insall:

NuGet for Collab

Step 2: Add the viewer

  1. Update your AndroidManifest.xml as described in Step 1 of this guide .
  2. Create the CollabViewerTabHostFragment2, and start it like any other Android Fragment.

    private void addViewerFragment(AppCompatActivity activity, Android.Net.Uri fileUri)
    {
        // Create a custom ViewerConfig used to initialize the viewer fragment
        var viewerConfig = new ViewerConfig.Builder()
            .MultiTabEnabled(false)
            .OpenUrlCachePath(this.CacheDir.AbsolutePath)
            .Build();
        // Create the Fragment using CollabViewerBuilder2
        var tabHostFragment = (CollabViewerTabHostFragment2)CollabViewerBuilder2
            .WithUri(fileUri)
            .UsingConfig(viewerConfig)
            .Build(this);
        // Add the Fragment to your activity
        var ft = activity.SupportFragmentManager.BeginTransaction();
        ft.Replace(Resource.Id.fragment_container, tabHostFragment, null);
        ft.Commit();
    }

where R.id.fragment_container is the resource id of a layout in your activity that will contain your fragment:

For example:

<?xml version="1.0" encoding="utf-8"?>
<!-- This FrameLayout will contain our viewer fragment -->
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/fragment_container"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

Next steps

Get the answers you need: Support

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