tomwis

// Gdzieś gdzie inicjalizujemy reklamy od Google
adMobView.AdListener = new CustomAdListener();

public class CustomAdListener : AdListener
{
    public override void OnAdFailedToLoad(int errorCode)
    {
        LoadTappxAd();
    }

tomwis

<com.tappx.sdk.android.TappxBanner
  xmlns:app="http://schemas.android.com/apk/res-auto"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:layout_gravity="center"
  app:txAppKey="/xxxxxxxxxxxxx/Pub-xxxx-Android-xxxx"
  />

tomwis

var tappxAd = new TappxBanner(this, "/xxxxxxxxxxxxx/Pub-xxxx-Android-xxxx");
tappxAd.SetAdSize(TappxBanner.AdSize.BANNER320x50);
layout.AddView(tappxAd); // Dodaj banner do widoku, w którym chcesz go wyświetlać
tappxAd.LoadAd();

tomwis

// W miejscu gdzie tworzymy banner Tappx
tappxAd.SetListener(new CustomTappxBannerListener());

public class CustomTappxBannerListener : Java.Lang.Object, ITappxBannerListener
{
    public void OnBannerClicked(TappxBanner p0)
    {
    }

    public void OnBannerCollapsed(TappxBanner p0)

tomwis

internal Task CurrentNavigationTask { get; set; }

public async Task<Page> PopAsync(bool animated)
{
  if (CurrentNavigationTask != null && !CurrentNavigationTask.IsCompleted)
  {
    var tcs = new TaskCompletionSource<bool>();
    Task oldTask = CurrentNavigationTask;
    CurrentNavigationTask = tcs.Task;
    await oldTask;

tomwis

#if DEBUG
    string my_key = "my_debug_key";
#elif
    string my_key = "my_production_key";
#endif

tomwis

<Reference Include="Xamarin.GooglePlayServices.Ads, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
  <HintPath>..\..\packages\Xamarin.GooglePlayServices.Ads.42.1021.1\lib\MonoAndroid70\Xamarin.GooglePlayServices.Ads.dll</HintPath>
</Reference>

tomwis

Condition="'$(Configuration)' != 'ReleaseAmazon'"

tomwis

<Reference Include="Xamarin.GooglePlayServices.Ads, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL" Condition="'$(Configuration)' != 'ReleaseAmazon'">
  <HintPath>..\..\packages\Xamarin.GooglePlayServices.Ads.42.1021.1\lib\MonoAndroid70\Xamarin.GooglePlayServices.Ads.dll</HintPath>
</Reference>

tomwis

<Import Project="..\..\packages\Xamarin.GooglePlayServices.Ads.42.1021.1\build\MonoAndroid70\Xamarin.GooglePlayServices.Ads.targets" Condition="Exists('..\..\packages\Xamarin.GooglePlayServices.Ads.42.1021.1\build\MonoAndroid70\Xamarin.GooglePlayServices.Ads.targets') And '$(Configuration)' != 'ReleaseAmazon'" />