在Android開發中，可以將Banner和ViewPager結合使用來實現輪播圖功能。下面是一個簡單的示例代碼：

1. 首先，在布局文件中定義ViewPager和指示器（可選）：

<RelativeLayout
    android:layout_width="match_parent"
    android:layout_height="200dp">

    <androidx.viewpager.widget.ViewPager
        android:id="@+id/viewPager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>

    <LinearLayout
        android:id="@+id/indicator"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignBottom="@+id/viewPager"
        android:layout_centerHorizontal="true"
        android:orientation="horizontal"/>

</RelativeLayout>

2. 創建一個適配器類來填充ViewPager的數據：

public class BannerAdapter extends PagerAdapter {

    private Context mContext;
    private List<Integer> mImages;

    public BannerAdapter(Context context, List<Integer> images) {
        mContext = context;
        mImages = images;
    }

    @Override
    public int getCount() {
        return mImages.size();
    }

    @Override
    public boolean isViewFromObject(@NonNull View view, @NonNull Object object) {
        return view == object;
    }

    @NonNull
    @Override
    public Object instantiateItem(@NonNull ViewGroup container, int position) {
        ImageView imageView = new ImageView(mContext);
        imageView.setImageResource(mImages.get(position));
        container.addView(imageView);
        return imageView;
    }

    @Override
    public void destroyItem(@NonNull ViewGroup container, int position, @NonNull Object object) {
        container.removeView((View) object);
    }
}

3. 在Activity或Fragment中設置ViewPager和適配器：

ViewPager viewPager = findViewById(R.id.viewPager);
BannerAdapter adapter = new BannerAdapter(this, Arrays.asList(R.drawable.image1, R.drawable.image2, R.drawable.image3));
viewPager.setAdapter(adapter);

// 添加指示器
LinearLayout indicator = findViewById(R.id.indicator);
for (int i = 0; i < adapter.getCount(); i++) {
    ImageView dot = new ImageView(this);
    dot.setImageResource(R.drawable.dot_unselected);

    LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
            ViewGroup.LayoutParams.WRAP_CONTENT,
            ViewGroup.LayoutParams.WRAP_CONTENT
    );
    params.setMargins(8, 0, 8, 0);
    indicator.addView(dot, params);
}

viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {}

    @Override
    public void onPageSelected(int position) {
        // 更新指示器狀態
        for (int i = 0; i < indicator.getChildCount(); i++) {
            ImageView dot = (ImageView) indicator.getChildAt(i);
            dot.setImageResource(i == position ? R.drawable.dot_selected : R.drawable.dot_unselected);
        }
    }

    @Override
    public void onPageScrollStateChanged(int state) {}
});

通過以上步驟，您就可以在您的應用程序中實現一個簡單的Banner輪播圖功能。您也可以根據實際需求對Banner和ViewPager進行進一步的定制和優化。