仿淘宝滚动新闻

最近项目中有滚动新闻的需求，和淘宝、京东热点那一样的，于是自己写了一个自定义控件（根据控件高度计算Y值不断绘制Textview），本来挺完美的。各种封装、调用，但版本发布后被各种反馈淹没（机型适配）。有的机型只重复显示一跳信息，有的带“探戈”  效果的显示。T_T   坑，百般修复都不能满足各种机型...
后来，> http://blog.youkuaiyun.com/qq_30379689/article/details/54174838

中获知安卓已经自带了一个此类控件–ViewFlipper。T_T

赶紧的又做了一次封装（此处的需求是，左侧图片不动，只右侧文字上下滚动），代码如下

布局文件

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/rlt_vsv_root"
    android:layout_width="match_parent"
    android:layout_height="@dimen/y81"
    android:background="@color/layout_background_f8">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="@dimen/y80"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:paddingLeft="@dimen/y26"
        android:paddingRight="@dimen/y26">

        <ImageView
            android:id="@+id/iv_vsv_pic"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginRight="@dimen/x12"
            android:src="@mipmap/icon_scroll_news" />

        <ViewFlipper
            android:id="@+id/vf_vsv_txt"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:autoStart="true"
            android:flipInterval="2000"
            android:inAnimation="@anim/scroll_tv_enter_from_bottom"
            android:outAnimation="@anim/scroll_tv_leave_from_bottom" />

    </LinearLayout>

    <View
        android:id="@+id/line_vsv"
        android:layout_width="match_parent"
        android:layout_height="@dimen/y1"
        android:layout_alignParentBottom="true"
        android:background="@color/color_dddddd" />

</RelativeLayout>

public class CustomScroolNewsView extends RelativeLayout {

    @BindView(R.id.iv_vsv_pic)
    ImageView ivPic;
    @BindView(R.id.vf_vsv_txt)
    ViewFlipper vfTxt;
    @BindView(R.id.line_vsv)
    View lineVsv;
    @BindView(R.id.rlt_vsv_root)
    RelativeLayout rltRoot;

    public Context mActivity;
    private View rootView;
    private NewsViewClickListener mListener;
    private int mTxtColor = Color.rgb(102, 102, 102);

    public CustomScroolNewsView(Context context) {
        super(context);
        this.mActivity = context;
        initView();
    }

    public CustomScroolNewsView(Context context, AttributeSet attrs) {
        super(context, attrs);
        this.mActivity = context;
        initView();
    }

    private void initView() {
        rootView = LayoutInflater.from(mActivity).inflate(R.layout.view_scrool_view, this, true);
        ButterKnife.bind(this, rootView);

        ivPic.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {
                return true;
            }
        });
    }

    public void setNewsViewClickListener(NewsViewClickListener listenr) {
        this.mListener = listenr;
    }

    /**
     * 设置数据源
     *
     * @param data
     */
    public void setResourceData(List<SliderItem> data) {
        for (int i = 0; i < data.size(); i++) {
            final SliderItem sliderItem = data.get(i);
            TextView textView = new TextView(mActivity);
            textView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
            textView.setText(sliderItem.title);
            textView.setTextColor(mTxtColor);
            textView.setTextSize(13);
            textView.setGravity(Gravity.CENTER_VERTICAL);
            textView.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                    if (mListener == null) return;
                    mListener.onClickNewsView(sliderItem);
                }
            });
            vfTxt.addView(textView);
        }
    }

    /**
     * 设置view切换的时间间隔
     *
     * @param duration
     */
    public void setDuration(int duration) {
        vfTxt.setFlipInterval(duration);
    }

    /**
     * 设置文字颜色
     *
     * @param color
     */
    public void setTxtColor(int color) {
        this.mTxtColor = color;
    }

    /**
     * 设置左侧图片
     *
     * @param picId
     */
    public void setLeftPic(int picId) {
        ivPic.setImageResource(picId);
    }

    public void setBgColor(int colorId) {
        rltRoot.setBackgroundColor(colorId);
        lineVsv.setVisibility(GONE);
    }

    public interface NewsViewClickListener {
        void onClickNewsView(SliderItem item);
    }

}