Android Application : Load Ads (AdMob) Before Enable Feature

LoadAdsBeforeEnableFeature.java

package com.ethanf.admob.enablefeature;

import android.content.Context;
import android.util.Log;
import android.view.View;

import com.google.ads.*;
import com.google.ads.AdRequest.ErrorCode;

public class ExActivity extends Activity {
	private Context context;
	private String tag;

	private RelativeLayout LayoutAds;
	private AdView adView;
	private final String AD_UNIT_ID = "a00000000000000";

	private boolean enableFeature;

	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);

		setContentView(R.layout.activity_ex);

		// Context
		context = this;

		// LogTag
		tag = getString(R.string.app_name);

		// Matching view
		LayoutAds = (RelativeLayout) findViewById(R.id.LayoutAds);

		// Ads
		// Ref.: https://developers.google.com/mobile-ads-sdk/docs/admob/fundamentals
		// Create the adView
		adView = new AdView(this, AdSize.BANNER, AD_UNIT_ID);
		adView.setAdListener(new AdListener() {
			public void onReceiveAd(Ad arg0) {
				enableFeature = true;
			}

			public void onPresentScreen(Ad arg0) {
			}

			public void onLeaveApplication(Ad arg0) {
			}

			public void onFailedToReceiveAd(Ad arg0, ErrorCode arg1) {
			  enableFeature = false;
			}

			public void onDismissScreen(Ad arg0) {
			}
		});

		adView.loadAd(new AdRequest());
		LayoutAds.addView(adView);

    // ...
	}

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