效果圖：

關鍵程式碼如下：

public class QQSpeakActivity extends AppCompatActivity implements GradationScrollView.ScrollViewListener{
    private GradationScrollView scrollView;

    private ListView listView;

    private TextView textView;
    private int height;
    private ImageView ivBanner;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().requestFeature(Window.FEATURE_NO_TITLE);
        StatusBarUtil.setImgTransparent(this);
        setContentView(R.layout.activity_qqspeak);

        scrollView = (GradationScrollView) findViewById(R.id.scrollview);
        listView = (ListView) findViewById(R.id.listview);
        textView = (TextView) findViewById(R.id.textview);
        ivBanner = (ImageView) findViewById(R.id.iv_banner);

        ivBanner.setFocusable(true);
        ivBanner.setFocusableInTouchMode(true);
        ivBanner.requestFocus();

        initListeners();
        initData();
    }

    /**
     * 獲取頂部圖片高度後，設定滾動監聽
     */
    private void initListeners() {

        ViewTreeObserver vto = ivBanner.getViewTreeObserver();
        vto.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            @Override
            public void onGlobalLayout() {
                textView.getViewTreeObserver().removeGlobalOnLayoutListener(
                        this);
                height = ivBanner.getHeight();

                scrollView.setScrollViewListener(QQSpeakActivity.this);
            }
        });
    }



    private void initData() {
        ArrayAdapter<String> adapter = new ArrayAdapter<String>(QQSpeakActivity.this, android.R.layout.simple_list_item_1, getResources().getStringArray(R.array.data));
        listView.setAdapter(adapter);
    }


    /**
     * 滑動監聽
     * @param scrollView
     * @param x
     * @param y
     * @param oldx
     * @param oldy
     */
    @Override
    public void onScrollChanged(GradationScrollView scrollView, int x, int y,
                                int oldx, int oldy) {
        // TODO Auto-generated method stub
        if (y <= 0) {   //設定標題的背景顏色
            textView.setBackgroundColor(Color.argb((int) 0, 144,151,166));
        } else if (y > 0 && y <= height) { //滑動距離小於banner圖的高度時，設定背景和字型顏色顏色透明度漸變
            float scale = (float) y / height;
            float alpha = (255 * scale);
            textView.setTextColor(Color.argb((int) alpha, 255,255,255));
            textView.setBackgroundColor(Color.argb((int) alpha, 144,151,166));
        } else {    //滑動到banner下面設定普通顏色
            textView.setBackgroundColor(Color.argb((int) 255, 144,151,166));
        }
    }
}