'Play Again' button not being shown

package com.hariidaran.signalsfrommars.model;

import android.graphics.drawable.Drawable;

public class Page {
    private Drawable mImage;
    private String mText;
    private Choice mChoice1;
    private Choice mChoice2;
    private Boolean mIsFinal = false;

    public Page(Drawable imageId, String text, Choice choice1, Choice choice2) {
        mImage = imageId;
        mText = text;
        mChoice1 = choice1;
        mChoice2 = choice2;

        if (mChoice1 == null && mChoice2 == null) {
            mIsFinal = true;
        }
    }

    public Drawable getImage() {
        return mImage;
    }

    public void setImage(Drawable imageId) {
        mImage = imageId;
    }

    public String getText() {
        return mText;
    }

    public void setText(String text) {
        mText = text;
    }

    public Choice getChoice1() {
        return mChoice1;
    }

    public void setChoice1(Choice choice1) {
        mChoice1 = choice1;
    }

    public Choice getChoice2() {
        return mChoice2;
    }

    public void setChoice2(Choice choice2) {
        mChoice2 = choice2;
    }

    public Boolean getFinal() {
        return mIsFinal;
    }

    public void setFinal(Boolean aFinal) {
        mIsFinal = aFinal;
    }
}

package com.hariidaran.signalsfrommars.model;

import android.content.Context;
import android.content.res.TypedArray;
import com.hariidaran.signalsfrommars.R;

public class Story {

    private Page[] mPages;
    private TypedArray mImageIds;
    private String[] mTexts;
    private String[] mChoices1;
    private String[] mChoices2;
    private int[] mNextPages1;
    private int[] mNextPages2;

    public Story(Context context) {
        mImageIds = context.getResources().obtainTypedArray(R.array.image_ids);
        mTexts = context.getResources().getStringArray(R.array.text);
        mChoices1 = context.getResources().getStringArray(R.array.choices_1);
        mChoices2 = context.getResources().getStringArray(R.array.choices_2);
        mNextPages1 = context.getResources().getIntArray(R.array.nextPages_1);
        mNextPages2 = context.getResources().getIntArray(R.array.nextPages_2);

        mPages = new Page[7];

        for (int i = 0; i < mPages.length; i++) {
            if (mChoices1[i].equals("(nothing)")) {
                mChoices1[i] = null;
            }

            if (mChoices2[i].equals("(nothing)")) {
                mChoices2[i] = null;
            }

            mPages[i] = new Page(
                    mImageIds.getDrawable(i),
                    mTexts[i],
                    new Choice(mChoices1[i], mNextPages1[i]),
                    new Choice(mChoices2[i], mNextPages2[i]));
        }
    }

    public Page getPage(int pageNumber) {
        return mPages[pageNumber];
    }
}

package com.hariidaran.signalsfrommars.ui;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;

import com.hariidaran.signalsfrommars.R;
import com.hariidaran.signalsfrommars.model.Page;
import com.hariidaran.signalsfrommars.model.Story;

public class StoryActivity extends Activity {

    private String mName;
    private Page mPage;
    private Story mStory;
    private ImageView mStoryImage;
    private TextView mText;
    private Button mChoice1;
    private Button mChoice2;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_story);

        Intent intent = getIntent();
        mName = intent.getStringExtra(getString(R.string.key_name));

        if (mName.equals("")) {
            mName = "Friend";
        }

        mStory = new Story(this);
        mStoryImage = (ImageView) findViewById(R.id.storyImage);
        mText = (TextView) findViewById(R.id.text);
        mChoice1 = (Button) findViewById(R.id.choice1);
        mChoice2 = (Button) findViewById(R.id.choice2);

        loadPage(0);
    }

    private void loadPage(int pageNumber) {
        mPage = mStory.getPage(pageNumber);

        mStoryImage.setImageDrawable(mPage.getImage());

        String pageText = mPage.getText();
        pageText = String.format(pageText, mName);

        mText.setText(pageText);

        if (mPage.getFinal()) {
            mChoice1.setVisibility(View.GONE);

            mChoice2.setText("PLAYAGAIN");
            mChoice2.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    finish();
                }
            });
        } else {
            mChoice1.setText(mPage.getChoice1().getText());
            mChoice2.setText(mPage.getChoice2().getText());

            mChoice1.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    loadPage(mPage.getChoice1().getNextPage());
                }
            });

            mChoice2.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    loadPage(mPage.getChoice2().getNextPage());
                }
            });
        }
    }
}