public class ScrollBanner extends LinearLayout {

  private TextView mBannerTV1;
  private TextView mBannerTV2;
  private Handler handler;
  private boolean isShow;
  private int startY1, endY1, startY2, endY2;
  private Runnable runnable;
  private List<String> list;
  private int position = 0;
  private int offsetY = 100;


  public ScrollBanner(Context context) {
    this(context, null);
  }

  public ScrollBanner(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
  }

  public ScrollBanner(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    View view = LayoutInflater.from(context).inflate(R.layout.view_scroll_banner, this);
    mBannerTV1 = (TextView) view.findViewById(R.id.tv_banner1);
    mBannerTV2 = (TextView) view.findViewById(R.id.tv_banner2);

    handler = new Handler();

    runnable = new Runnable() {
      @Override
      public void run() {
        isShow = !isShow;

        if (position == list.size())
          position = 0;

        if (isShow) {
          mBannerTV1.setText(list.get(position++));
        } else {
          mBannerTV2.setText(list.get(position++));
        }

        startY1 = isShow ? 0 : offsetY;
        endY1 = isShow ? -offsetY : 0;


        ObjectAnimator.ofFloat(mBannerTV1, \"translationY\", startY1, endY1).setDuration(300).start();

        startY2 = isShow ? offsetY : 0;
        endY2 = isShow ? 0 : -offsetY;
        ObjectAnimator.ofFloat(mBannerTV2, \"translationY\", startY2, endY2).setDuration(300).start();

        handler.postDelayed(runnable, 3000);
      }
    };

  }


  public List<String> getList() {
    return list;
  }

  public void setList(List<String> list) {
    this.list = list;
  }

  public void startScroll() {
    handler.post(runnable);
  }

  public void stopScroll() {
    handler.removeCallbacks(runnable);
  }
}

<?xml version=\"1.0\" encoding=\"utf-8\"?>
<RelativeLayout xmlns:android=\"http://schemas.android.com/apk/res/android\"
  android:layout_width=\"match_parent\"
  android:layout_height=\"match_parent\"
  android:orientation=\"horizontal\"
  android:padding=\"10dp\">

  <TextView
    android:id=\"@+id/tv_title\"
    android:layout_width=\"wrap_content\"
    android:layout_height=\"wrap_content\"
    android:layout_centerVertical=\"true\"
    android:text=\"公告\"
    android:textColor=\"#e76712\"
    android:textSize=\"16sp\" />

  <View
    android:id=\"@+id/view_divider\"
    android:layout_width=\"1dp\"
    android:layout_height=\"match_parent\"
    android:layout_marginLeft=\"10dp\"
    android:layout_marginRight=\"10dp\"
    android:layout_toRightOf=\"@id/tv_title\"
    android:background=\"#DDDDDD\" />

  <TextView
    android:id=\"@+id/tv_banner1\"
    android:layout_width=\"match_parent\"
    android:layout_height=\"wrap_content\"
    android:layout_centerVertical=\"true\"
    android:layout_toRightOf=\"@+id/view_divider\"
    android:ellipsize=\"end\"
    android:singleLine=\"true\"
    android:text=\"热烈欢迎领导光临\" />

  <TextView
    android:id=\"@+id/tv_banner2\"
    android:layout_width=\"match_parent\"
    android:layout_height=\"wrap_content\"
    android:layout_centerVertical=\"true\"
    android:layout_toRightOf=\"@+id/view_divider\"
    android:ellipsize=\"end\"
    android:singleLine=\"true\"
    android:text=\"喜庆国庆欢乐大酬宾\" />
</RelativeLayout>

scrollBanner.setList(list);
scrollBanner.startScroll();