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InterstitialAd

Displays a full-screen interstitial ad.

Note

Each instance is allowed to be shown (using show) only once. To show another ad, create a new instance. Reusing an already-shown instance will result in errors or unexpected behavior.

Test IDs

AdMob provides unit IDs for testing purposes. Set unit_id to the appropriate value based on the platform you're testing on:

  • Android: "ca-app-pub-3940256099942544/1033173712"
  • iOS: "ca-app-pub-3940256099942544/4411468910"

Remember to replace them in production.

Raises:

Inherits: Service, BaseAd

Methods

  • show - Present the loaded interstitial ad as a full-screen overlay.

Examples​

Example 1​

import flet as ft
import flet_ads as fta

# Test ad unit IDs
ids = {
    ft.PagePlatform.ANDROID: {
        "banner": "ca-app-pub-3940256099942544/6300978111",
        "interstitial": "ca-app-pub-3940256099942544/1033173712",
    },
    ft.PagePlatform.IOS: {
        "banner": "ca-app-pub-3940256099942544/2934735716",
        "interstitial": "ca-app-pub-3940256099942544/4411468910",
    },
}


def main(page: ft.Page):
    page.appbar = ft.AppBar(
        adaptive=True,
        title="Mobile Ads Playground",
        bgcolor=ft.Colors.LIGHT_BLUE_300,
    )
    page.horizontal_alignment = ft.CrossAxisAlignment.CENTER
    page.scroll = ft.ScrollMode.AUTO

    def show_new_interstitial_ad():
        async def show_iad(e: ft.Event[fta.InterstitialAd]):
            await iad.show()

        iad = fta.InterstitialAd(
            unit_id=ids[page.platform]["interstitial"],
            on_load=show_iad,
            on_error=lambda e: print("InterstitialAd error", e.data),
            on_open=lambda e: print("InterstitialAd opened"),
            on_close=lambda e: print("InterstitialAd closed"),
            on_impression=lambda e: print("InterstitialAd impression"),
            on_click=lambda e: print("InterstitialAd clicked"),
        )

    def get_new_banner_ad() -> fta.BannerAd:
        return fta.BannerAd(
            unit_id=ids[page.platform]["banner"],
            width=320,
            height=50,
            on_click=lambda e: print("BannerAd clicked"),
            on_load=lambda e: print("BannerAd loaded"),
            on_error=lambda e: print("BannerAd error", e.data),
            on_open=lambda e: print("BannerAd opened"),
            on_close=lambda e: print("BannerAd closed"),
            on_impression=lambda e: print("BannerAd impression"),
            on_will_dismiss=lambda e: print("BannerAd will dismiss"),
        )

    page.add(
        ft.SafeArea(
            content=ft.Column(
                controls=[
                    ft.OutlinedButton(
                        content="Show InterstitialAd",
                        on_click=show_new_interstitial_ad,
                        disabled=page.web
                        or not page.platform.is_mobile(),  # mobile only
                    ),
                    ft.OutlinedButton(
                        content="Show BannerAd",
                        on_click=lambda e: page.add(get_new_banner_ad()),
                        disabled=page.web
                        or not page.platform.is_mobile(),  # mobile only
                    ),
                ]
            )
        ),
    )


if __name__ == "__main__":
    ft.run(main)

Methods​

showasync​

show()

Present the loaded interstitial ad as a full-screen overlay.

The ad must be loaded before this method is called.