原生進階

<com.google.android.gms.ads.nativead.NativeAdView
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">
    <LinearLayout
    android:orientation="vertical">
        <LinearLayout
        android:orientation="horizontal">
          <ImageView
          android:id="@+id/ad_app_icon" />
          <TextView
            android:id="@+id/ad_headline" />
        </LinearLayout>
        <!--Add remaining assets such as the image and media view.-->
    </LinearLayout>
</com.google.android.gms.ads.nativead.NativeAdView>

  import com.google.android.gms.compose_util.NativeAdAttribution
  import com.google.android.gms.compose_util.NativeAdView

  @Composable
  /** Display a native ad with a user defined template. */
  fun DisplayNativeAdView(nativeAd: NativeAd) {
      NativeAdView {
          // Display the ad attribution.
          NativeAdAttribution(text = context.getString("Ad"))
          // Add remaining assets such as the image and media view.
        }
    }

AdLoader.Builder builder = new AdLoader.Builder(this, "/21775744923/example/native")
    .forNativeAd(new NativeAd.OnNativeAdLoadedListener() {
        @Override
        public void onNativeAdLoaded(NativeAd nativeAd) {
            // Assumes you have a placeholder FrameLayout in your View layout
            // (with ID fl_adplaceholder) where the ad is to be placed.
            FrameLayout frameLayout =
                findViewById(R.id.fl_adplaceholder);
            // Assumes that your ad layout is in a file call native_ad_layout.xml
            // in the res/layout folder
            NativeAdView adView = (NativeAdView) getLayoutInflater()
                .inflate(R.layout.native_ad_layout, null);
            // This method sets the assets into the ad view.
            populateNativeAdView(nativeAd, adView);
            frameLayout.removeAllViews();
            frameLayout.addView(adView);
        }
});

val builder = AdLoader.Builder(this, "/21775744923/example/native")
    .forNativeAd { nativeAd ->
        // Assumes you have a placeholder FrameLayout in your View layout
        // (with ID fl_adplaceholder) where the ad is to be placed.
        val frameLayout: FrameLayout = findViewById(R.id.fl_adplaceholder)
        // Assumes that your ad layout is in a file call native_ad_layout.xml
        // in the res/layout folder
        val adView = layoutInflater
                .inflate(R.layout.native_ad_layout, null) as NativeAdView
        // This method sets the assets into the ad view.
        populateNativeAdView(nativeAd, adView)
        frameLayout.removeAllViews()
        frameLayout.addView(adView)
    }

@Composable
/** Load and display a native ad. */
fun NativeScreen() {
  var nativeAd by remember { mutableStateOf<NativeAd?>(null) }
  val context = LocalContext.current
  var isDisposed by remember { mutableStateOf(false) }

  DisposableEffect(Unit) {
    // Load the native ad when we launch this screen
    loadNativeAd(
      context = context,
      onAdLoaded = { ad ->
        // Handle the native ad being loaded.
        if (!isDisposed) {
          nativeAd = ad
        } else {
          // Destroy the native ad if loaded after the screen is disposed.
          ad.destroy()
        }
      },
    )
    // Destroy the native ad to prevent memory leaks when we dispose of this screen.
    onDispose {
      isDisposed = true
      nativeAd?.destroy()
      nativeAd = null
    }
  }

  // Display the native ad view with a user defined template.
  nativeAd?.let { adValue -> DisplayNativeAdView(adValue) }
}

fun loadNativeAd(context: Context, onAdLoaded: (NativeAd) -> Unit) {
  val adLoader =
    AdLoader.Builder(context, NATIVE_AD_UNIT_ID)
      .forNativeAd { nativeAd -> onAdLoaded(nativeAd) }
      .withAdListener(
        object : AdListener() {
          override fun onAdFailedToLoad(error: LoadAdError) {
            Log.e(TAG, "Native ad failed to load: ${error.message}")
          }

          override fun onAdLoaded() {
            Log.d(TAG, "Native ad was loaded.")
          }

          override fun onAdImpression() {
            Log.d(TAG, "Native ad recorded an impression.")
          }

          override fun onAdClicked() {
            Log.d(TAG, "Native ad was clicked.")
          }
        }
      )
      .build()
  adLoader.loadAd(AdRequest.Builder().build())
}
NativeScreen.kt

private void displayNativeAd(ViewGroup parent, NativeAd ad) {

  // Inflate a layout and add it to the parent ViewGroup.
  LayoutInflater inflater = (LayoutInflater) parent.getContext()
          .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
  NativeAdView adView = (NativeAdView) inflater
          .inflate(R.layout.ad_layout_file, parent);

  // Locate the view that will hold the headline, set its text, and call the
  // NativeAdView's setHeadlineView method to register it.
  TextView headlineView = adView.findViewById<TextView>(R.id.ad_headline);
  headlineView.setText(ad.getHeadline());
  adView.setHeadlineView(headlineView);

  // Repeat the process for the other assets in the NativeAd
  // using additional view objects (Buttons, ImageViews, etc).

  // If the app is using a MediaView, it should be
  // instantiated and passed to setMediaView. This view is a little different
  // in that the asset is populated automatically, so there's one less step.
  MediaView mediaView = (MediaView) adView.findViewById(R.id.ad_media);
  adView.setMediaView(mediaView);

  // Call the NativeAdView's setNativeAd method to register the
  // NativeAdObject.
  adView.setNativeAd(ad);

  // Ensure that the parent view doesn't already contain an ad view.
  parent.removeAllViews();

  // Place the AdView into the parent.
  parent.addView(adView);
}

fun displayNativeAd(parent: ViewGroup, ad: NativeAd) {

  // Inflate a layout and add it to the parent ViewGroup.
  val inflater = parent.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE)
          as LayoutInflater
  val adView = inflater.inflate(R.layout.ad_layout_file, parent) as NativeAdView

  // Locate the view that will hold the headline, set its text, and use the
  // NativeAdView's headlineView property to register it.
  val headlineView = adView.findViewById<TextView>(R.id.ad_headline)
  headlineView.text = ad.headline
  adView.headlineView = headlineView

  // Repeat the process for the other assets in the NativeAd using
  // additional view objects (Buttons, ImageViews, etc).

  val mediaView = adView.findViewById<MediaView>(R.id.ad_media)
  adView.mediaView = mediaView

  // Call the NativeAdView's setNativeAd method to register the
  // NativeAdObject.
  adView.setNativeAd(ad)

  // Ensure that the parent view doesn't already contain an ad view.
  parent.removeAllViews()

  // Place the AdView into the parent.
  parent.addView(adView)
}

@Composable
/** Display a native ad with a user defined template. */
fun DisplayNativeAdView(nativeAd: NativeAd) {
  val context = LocalContext.current
  Box(modifier = Modifier.padding(8.dp).wrapContentHeight(Alignment.Top)) {
    // Call the NativeAdView composable to display the native ad.
    NativeAdView {
      // Inside the NativeAdView composable, display the native ad assets.
      Column(Modifier.align(Alignment.TopStart).wrapContentHeight(Alignment.Top)) {
        // Display the ad attribution.
        NativeAdAttribution(text = context.getString(R.string.attribution))
        Row {
          // If available, display the icon asset.
          nativeAd.icon?.let { icon ->
            NativeAdIconView(Modifier.padding(5.dp)) {
              icon.drawable?.toBitmap()?.let { bitmap ->
                Image(bitmap = bitmap.asImageBitmap(), "Icon")
              }
            }
          }
          Column {
            // If available, display the headline asset.
            nativeAd.headline?.let {
              NativeAdHeadlineView {
                Text(text = it, style = MaterialTheme.typography.headlineLarge)
              }
            }
            // If available, display the star rating asset.
            nativeAd.starRating?.let {
              NativeAdStarRatingView {
                Text(text = "Rated $it", style = MaterialTheme.typography.labelMedium)
              }
            }
          }
        }

        // If available, display the body asset.
        nativeAd.body?.let { NativeAdBodyView { Text(text = it) } }
        // Display the media asset.
        NativeAdMediaView(Modifier.fillMaxWidth().height(500.dp).fillMaxHeight())

        Row(Modifier.align(Alignment.End).padding(5.dp)) {
          // If available, display the price asset.
          nativeAd.price?.let {
            NativeAdPriceView(Modifier.padding(5.dp).align(Alignment.CenterVertically)) {
              Text(text = it)
            }
          }
          // If available, display the store asset.
          nativeAd.store?.let {
            NativeAdStoreView(Modifier.padding(5.dp).align(Alignment.CenterVertically)) {
              Text(text = it)
            }
          }
          // If available, display the call to action asset.
          // Note: The Jetpack Compose button implements a click handler which overrides the native
          // ad click handler, causing issues. Use the NativeAdButton which does not implement a
          // click handler. To handle native ad clicks, use the NativeAd AdListener onAdClicked
          // callback.
          nativeAd.callToAction?.let { callToAction ->
            NativeAdCallToActionView(Modifier.padding(5.dp)) { NativeAdButton(text = callToAction) }
          }
        }
      }
    }
  }
}
NativeScreen.kt

nativeAd.destroy();

nativeAd.destroy()