How to add facebook ads in android studio

Add the following dependence in build.gradle (Module app) level file.

compile 'com.facebook.android:audience-network-sdk:6.+'

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

create java class

extent aplication

@Override
public void onCreate() {
    super.onCreate();
    AudienceNetworkAds.initialize(this);
}

add your java class in mnifest under aplications

android:name=".MyFasbookads"

add layout

<LinearLayout
        android:id="@+id/banner_container"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:orientation="vertical"
        app:layout_constraintBottom_toBottomOf="parent"
        />

mainactivity

private AdView adView;

adView = new AdView(this, "IMG_16_9_APP_INSTALL#YOUR_PLACEMENT_ID", AdSize.BANNER_HEIGHT_50);

    // Find the Ad Container
    LinearLayout adContainer = (LinearLayout) findViewById(R.id.banner_container);

    // Add the ad view to your activity layout
    adContainer.addView(adView);

    // Request an ad
    adView.loadAd();

@Override
protected void onDestroy() {
    if (adView != null) {
        adView.destroy();
    }
    super.onDestroy();
}