ActivityWithoutPresenter.java

public class InterstitialActivity extends BaseTotoActivity implements View.OnClickListener {
	private NetworkImageView mInterstitialImage;
	private View mLoader;

	private InterstitialPresenter mPresenter;

	@Override
	public void onCreate (Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		//Load view info
		setContentView(R.layout.activity_intersitital);
		mInterstitialImage = (NetworkImageView) findViewById(R.id.interstitial_image);
		mLoader = findViewById(R.id.loader);
		View closeButton = findViewById(R.id.interstitial_close);

		//Add listeners
		closeButton.setOnClickListener(this);

		loadInterstitial();

	}


	private void loadInterstitial (){
		mLoader.setVisibility(View.VISIBLE);
		mViewTranslator.startLoading();
		InterstitialWebService.fetchInterstitial(new IBackgroundTaskCallback<Interstitial>() {
			@Override
			public void onCompleted (CustomException e, Interstitial interstitial) {
				mLoader.setVisibility(View.GONE);
				TotoLog.d("Interstitial loaded");
				mViewTranslator.stopLoading();
				if (interstitial != null) {
						mInterstitialImage.setImageUrl(interstitial.getImage(), VolleyUtil.getImageLoader());
						mInterstitialImage.setOnClickListener(InterstitialActivity.this);
						startTimer();
				} else {
					close();
				}
			}
		});
	}



	@Override
	public void onPause (Bundle savedInstanceState) {
		cancelTimerCallback();
		saveState();

	}


	@Override
	public void onDestroy(){
		cancelTimerCallback();
	}


	private class CloseRunnable implements Runnable {
		@Override
		public void run () {
			close();
		}
	}



	public void openNextActivity () {
		Intent intent = new Intent(this, AnotherActivity.class);
	}

	
	@Override
	public void onClick (View v) {
		switch (v.getId()){
			case R.id.interstitial_close:
				close();
				break;
			case R.id.interstitial_image:
				goToInterstitial();
				break;
		}
	}

Interstitial.java

public class Interstitial implements Parcelable {

	private String mTitle;
	private String mImage;
	private String mHref;

	public static Interstitial create(JSONObject json){
		Interstitial interstitial = new Interstitial();
		interstitial.mTitle = json.optString("title");
		interstitial.mImage = json.optString("filename");
		interstitial.mHref = json.optString("href");
		return interstitial;
	}

	public String getTitle () {
		return mTitle;
	}

	public String getImage () {
		return mImage;
	}

	public String getHref () {
		return mHref;
	}


	@Override
	public int describeContents () {
		return 0;
	}

	@Override
	public void writeToParcel (Parcel dest, int flags) {
		dest.writeString(this.mTitle);
		dest.writeString(this.mImage);
		dest.writeString(this.mHref);
	}

	private Interstitial (Parcel in) {
		this.mTitle = in.readString();
		this.mImage = in.readString();
		this.mHref = in.readString();
	}

	public static final Parcelable.Creator<Interstitial> CREATOR = new Parcelable.Creator<Interstitial>() {
		public Interstitial createFromParcel (Parcel source) {
			return new Interstitial(source);
		}

		public Interstitial[] newArray (int size) {
			return new Interstitial[size];
		}
	};
}

InterstitialActivity.java

public class InterstitialActivity extends BaseTotoActivity implements View.OnClickListener, InterstitialViewTranslator {
	private NetworkImageView mInterstitialImage;
	private View mLoader;

	private InterstitialPresenter mPresenter;

	@Override
	public void onCreate (Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		//Load view info
		setContentView(R.layout.activity_intersitital);
		mInterstitialImage = (NetworkImageView) findViewById(R.id.interstitial_image);
		mLoader = findViewById(R.id.loader);
		View closeButton = findViewById(R.id.interstitial_close);

		//Add listeners
		closeButton.setOnClickListener(this);

		mPresenter = new InterstitialPresenter(this, this);
	}

	@Override
	public void startLoading () {
		mLoader.setVisibility(View.VISIBLE);
	}

	@Override
	public void stopLoading () {
		mLoader.setVisibility(View.GONE);
	}

	@Override
	public void openNextActivity () {
		Intent intent = new Intent(this, AnotherActivity.class);
	}

	@Override
	public void showInterstitial (Interstitial interstitial) {
		if(interstitial != null) {
			mInterstitialImage.setImageUrl(interstitial.getImage(), VolleyUtil.getImageLoader());
			mInterstitialImage.setOnClickListener(this);
		}
	}

	@Override
	public void onClick (View v) {
		switch (v.getId()){
			case R.id.interstitial_close:
				mPresenter.close();
				break;
			case R.id.interstitial_image:
				mPresenter.goToInterstitial();
				break;
		}
	}
}

InterstitialPresenter.java

public class InterstitialPresenter {

	private InterstitialViewTranslator mViewTranslator;
	private CloseRunnable mCloseRunnable;
	private Handler mHandler;

	public InterstitialPresenter(InterstitialViewTranslator viewTranslator){
		mViewTranslator = viewTranslator;
		if(mViewTranslator == null || mContext == null){
			throw new NullPointerException("The presenter must have context and a view translator instances to work properly.");
		}
		mHandler = new Handler();
		restoreState();
		loadInterstitial();
	}

	private void loadInterstitial (){
		mViewTranslator.startLoading();
		InterstitialWebService.fetchInterstitial(new IBackgroundTaskCallback<Interstitial>() {
			@Override
			public void onCompleted (CustomException e, Interstitial interstitial) {
				TotoLog.d("Interstitial loaded");
				mViewTranslator.stopLoading();
				if (interstitial != null) {
					onLoadInterstitial(interstitial);
				} else {
					close();
				}
			}
		});
	}

	private void onLoadInterstitial(Interstitial interstitial){
		mViewTranslator.showInterstitial(interstitial);
		startTimer();
	}

	public void pause () {
		cancelTimerCallback();
		saveState();
	}

	public void destroy(){
		cancelTimerCallback();
	}

	private class CloseRunnable implements Runnable {
		@Override
		public void run () {
			close();
		}
	}
}

InterstitialViewTranslator.java

public interface InterstitialViewTranslator {
	void startLoading();
	void stopLoading();
	void openNextActivity()
	void showInterstitial(Interstitial interstitial);
}