<br />

[Video](https://www.youtube.com/watch?v=seWbUbptcUI)

Before you test your ad integration, you must launch ad inspector in your app.
This page covers how to launch ad inspector
using gestures
and how to launch
programmatically.

## Prerequisites

Before you continue, do the following:

- Complete all items in the initial [Prerequisites](https://developers.google.com/admob/ios/ad-inspector.md.txt#prerequisites) to create an AdMob account, set your test device, initialize Google Mobile Ads SDK, and install the latest version.

## Choose a launch option

You can launch ad inspector in the following ways:

- Use the gesture you selected in the AdMob UI after registering a test device. For details, see [Set up a test device](https://support.google.com/admob/answer/9691433).
- Programmatically through the Google Mobile Ads SDK.

### Launch using gestures

To launch ad inspector with a gesture, perform the gesture, such as a double
flick or shake, that you configured in AdMob UI for your test
device. For more details, see
[Test your app with ad inspector](https://support.google.com/admob/answer/10159602).

After you set a gesture in the AdMob UI, allow time to propagate. Make an ad
request through the Google Mobile Ads SDK to register your
gesture setting with your test device. If performing your gesture fails to
open in ad inspector, try to load an ad, restart your app, and test the gesture
again.

### Launch programmatically

Launch ad inspector by running the following:

### Swift

```swift
MobileAds.shared.presentAdInspector(from: viewController) { error in
  // Error will be non-nil if there was an issue and the inspector was not displayed.
}
```

### Objective-C

```objective-c
[GADMobileAds.sharedInstance presentAdInspectorFromViewController:viewController
                                                completionHandler:^(NSError *error){
                                                    // Error will be non-nil if there was an issue
                                                    // and the inspector was not displayed.
                                                }];
```

This method works for test devices registered
programmatically or in the AdMob UI.
For more details, see
[Enable test devices](https://developers.google.com/admob/ios/test-ads.md.txt#enable_test_devices).

Ensure that the view controller to this launch is fully visible on screen. For
example, if you called `viewDidAppear:`. If the view controller passed in is
in the process to display, such as when the launch is called in the view
controller function `viewDidLoad`, the presentation of the ad inspector fails.