# 4-4. Interstitial Video Ads for Unity (Non Reward)

## Before you begin

{% content-ref url="/pages/E4sVveRS1O07LDkxrZrf" %}
[04. Unity-Plugin Guide](/one-admax-sdk/oneadmax_dev_guide_en/unityplugin.md)
{% endcontent-ref %}

## ONEAdMax SDK initialize

Initialization of **ONEAdMax** is required before loading ads.\
\&#xNAN;**`ONEAdMaxClient.Initialize()`** should only be executed once during the initial setup.

```csharp
...
using ONEAdMax;
...
public class ONEAdMaxDemo : MonoBehaviour
{
    private static bool _isInitialized = false;
    
    void Start()
    {
        if (!_isInitialized)
        {
            // Initialize the ONEAdMax SDK.
            ONEAdMaxClient.Initialize(() =>
            {
                // This callback is called once the ONEAdMax SDK is initialized.
                _isInitialized = true
            });
        }
    }
}
```

## **Interstitial Video Ads sample code**

You can create an instance of **OAMInterstitialVideo** and handle events to extend its functionality.

### Create an instance of the **OAMInterstitialVideo** ad.

{% code fullWidth="false" %}

```csharp
public class InterstitialVideoAdController : MonoBehaviour
{
    OAMInterstitialVideo _interstitialVideoAd;
    
    /// <summary>
    /// Creates the ad.
    /// </summary>
    public void CreateInterstitialVideoAd()
    {
        Debug.Log("Creating Interstitial video ad.");
        
        if (_interstitialVideoAd != null)
        {
            Debug.LogWarning("Already have a Interstitial video ad.");
            return;
        }

        _interstitialVideoAd = new OAMInterstitialVideo();
    }
}
```

{% endcode %}

### Set the network schedule timeout (optional)

광고에 대한 네트워크 스케쥴 타임아웃을 설정합니다. (기본값: 5초) \
광고 로딩 시 각 네트워크 별로 타임아웃 시간을 주어 해당 시간 안에 광고를 받지 못할 경우, 다음 네트워크로 넘어갑니다.

```csharp
_interstitialVideoAd.SetNetworkScheduleTimeout(5); // Default 5 seconds
```

### Set the event listener for **Interstitial Video Ads** (optional)

```csharp
/// <summary>
/// Register to events the interstital video ad may raise.
/// </summary>
private void RegisterEvents(OAMInterstitialVideo ad)
{
    // Raised when an ad is loaded into the interstitial ad.
    ad.OnLoaded += () =>
    {
        Debug.Log("Interstitial video ad loaded.");
    };

    // Raised when an ad fails to load into the interstitial ad.
    ad.OnLoadFailed += (OAMError error) =>
    {
        Debug.LogError("Interstitial video ad failed to load an ad with error : " + error);
    };

    // Raised when an ad opened full screen content.
    ad.OnOpened += () =>
    {
        Debug.Log("Interstitial video ad has been opened.");
    };

    // Raised when the ad failed to open full screen content.
    ad.OnOpenFailed += (OAMError error) =>
    {
        Debug.LogError("Interstitial video ad failed to open an ad with error : " + error);
    };

    // Raised when the ad closed full screen content.
    ad.OnClosed += () =>
    {
        Debug.LogError("Interstitial video ad is closed.");
    };
}
```

{% content-ref url="/pages/i8O1iX5eJtrY4LjZBdFC" %}
[ONE AdMax SDK Error Codes](/one-admax-sdk/oneadmax_dev_guide_en/oamerror.md)
{% endcontent-ref %}

## Create an instance of the **Interstitial Video Ad**

Complete all the settings and create the **OAMInterstitialVideo**.

```csharp
// These ad units are configured to always serve test ads.   
private readonly string _placementId = "string your placementID";

_interstitialVideoAd.Create(_placementId);
```

## Load the **Interstitial Video Ad**.

전면 비디오 광고 `Load()` API를 호출하여 서버에 광고를 요청합니다.

```csharp
/// <summary>
/// Loads the ad.
/// </summary>
public void Load()
{
    if (_interstitialVideoAd == null)
    {
        Debug.LogWarning("The interstital video ad is null.");
        return;
    }

    _interstitialVideoAd.Load();
}
```

{% hint style="warning" %}
Excessive ad requests can lead to blocking, so please be cautious!
{% endhint %}

## Display the **Interstitial Video Ad**.

로드가 완료되면 광고를 노출을 원하는 시점에 `Show()` API를 호출하여 화면에 노출 시킵니다.

```csharp
/// <summary>
/// Shows the ad.
/// </summary>
public void Show()
{
    if (_interstitialVideoAd != null && _interstitialVideoAd.IsLoaded())
    {
        Debug.Log("Showing interstital video ad.");
        _interstitialVideoAd.Show();
    }
    else
    {
        Debug.LogError("The Interstitial video ad hasn't loaded yet.");
    }
}
```

## Destroy the memory for the **Interstitial Video Ad**.

```csharp
/// <summary>
/// Destroys the ad.
/// </summary>
public void Destroy()
{
    if (_interstitialVideoAd != null)
    {
        Debug.Log("Destroying interstitial video ad.");
        _interstitialVideoAd.Destroy();
        _interstitialVideoAd = null;
    }
}
```

## Check whether the **Interstitial Video Ad** is loaded

Check whether the **Interstitial Video Ad** is loaded. (returns **true** | **false**)

```csharp
_interstitialVideoAd.IsLoaded();
```


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