Android自定义图文跑马灯效果

public class HomeFragment extends BaseFragment {  private MarqueeScroll mMarqueeScroll;  private int[] name_tv = {R.id.name_tv1, R.id.name_tv2, R.id.name_tv3, R.id.name_tv4, R.id.name_tv5, R.id.name_tv6};  private TextView[] name_tvs = new TextView[6];  private int[] name_iv = {R.id.name_iv1, R.id.name_iv2, R.id.name_iv3, R.id.name_iv4, R.id.name_iv5, R.id.name_iv6};  private ImageView[] name_ivs = new ImageView[6];  private ArrayList<HomeFlipperBean> mFlipperList = new ArrayList<HomeFlipperBean>();  @Override  public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {    View view = inflater.inflate(R.layout.fragment_homenews, null);    mMarqueeScroll = (MarqueeScroll) view.findViewById(R.id.MarqueeScroll);    for (int i = 0; i < name_tv.length; i++) {      name_tvs[i] = (TextView) view.findViewById(name_tv[i]);      name_ivs[i] = (ImageView) view.findViewById(name_iv[i]);    }    mMarqueeScroll.run();    // 在这里进行解析    ResponseBaseBean<ArrayList<HomeFlipperBean>> responsBaseBean = JSON.parseObject(mFlipperData,        new TypeReference<ResponseBaseBean<ArrayList<HomeFlipperBean>>>() {        });    mFlipperList = responsBaseBean.getResult();    if (mFlipperList != null && mFlipperList.size() > 0) {      // ForegroundColorSpan 为文字前景色，BackgroundColorSpan为文字背景色      ForegroundColorSpan span1 = new ForegroundColorSpan(0xFF535353);      ForegroundColorSpan span2 = new ForegroundColorSpan(0xFF346699);      for (int i = 0; i < name_tvs.length; i++) {        HomeFlipperBean bean = mFlipperList.get(i);        name_tvs[i].setText(bean.getName() + " " + bean.getPrice());        if ("up".equals(bean.getTrend())) {          name_ivs[i].setBackgroundResource(R.drawable.in_img3);        } else {          name_ivs[i].setBackgroundResource(R.drawable.in_img4);        }        int length = bean.getName().length();        SpannableStringBuilder builder = new SpannableStringBuilder(name_tvs[i].getText().toString());        builder.setSpan(span1, 0, length, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);        builder.setSpan(span2, length + 1, name_tvs[i].getText().toString().length(),            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);        name_tvs[i].setText(builder);      }    }  }}

<com.monkey.mushroom.ui.view.MarqueeScroll   android:id="@+id/MarqueeScroll"   android:layout_width="match_parent"   android:layout_height="@dimen/kx_nonet_h" >   <LinearLayout     android:layout_width="match_parent"     android:layout_height="match_parent"     android:background="#E1F4FF"     android:orientation="horizontal" >     <TextView        android:id="@+id/name_tv1"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv1"        style="@style/filpper_image_style" />     <TextView        android:id="@+id/name_tv2"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv2"        style="@style/filpper_image_style" />     <TextView        android:id="@+id/name_tv3"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv3"        style="@style/filpper_image_style" />     <TextView        android:id="@+id/name_tv4"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv4"        style="@style/filpper_image_style" />     <TextView        android:id="@+id/name_tv5"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv5"        style="@style/filpper_image_style" />     <TextView        android:id="@+id/name_tv6"        style="@style/filpper_text_style" />     <ImageView        android:id="@+id/name_iv6"        style="@style/filpper_image_style" />   </LinearLayout></com.jyd.jyddz.ui.view.MarqueeScroll>

public class MarqueeScroll extends HorizontalScrollView implements Runnable {  private View inner;  private Bitmap bitmap = null;  /**   * 滚动步长   */  private int step = 1;  private int x;  private int width;  private int pWidth;  private int pHeight;  public MarqueeScroll(Context context, AttributeSet attrs) {    super(context, attrs);    setBackgroundColor(0xFFE1F4FF);  }  @Override  protected void onFinishInflate() {    if (getChildCount() == 1) {      inner = getChildAt(0);    }  }  @Override  protected void onDetachedFromWindow() {    super.onDetachedFromWindow();    handler.removeCallbacks(this);  }  @Override  protected void onDraw(Canvas canvas) {    if (getWidth() == 0) {      android.view.ViewGroup.LayoutParams lp = getLayoutParams();      lp.width = pWidth;      lp.height = pHeight;      setLayoutParams(lp);    }    if (bitmap == null && inner != null) {      width = inner.getMeasuredWidth();      bitmap = Bitmap.createBitmap(width, inner.getHeight(), Config.RGB_565);      Canvas canvas1 = new Canvas(bitmap);      inner.draw(canvas1);      pWidth = getWidth();      pHeight = getHeight();      if (inner != null) {        removeViewInLayout(inner);        inner = null;      }      run();    }    if (bitmap != null) {      int nowX = x;      nowX -= step;      canvas.drawBitmap(bitmap, nowX, 0, null);      if (nowX < 0) {        canvas.drawBitmap(bitmap, width + nowX /* + space */, 0, null);      }      if (nowX <= -width) {        nowX = 0;      }      x = nowX;    }    super.onDraw(canvas);  }  private Handler handler = new Handler() {    @Override    public void handleMessage(Message msg) {      super.handleMessage(msg);    }  };  @Override  public void run() {    invalidate();    handler.postDelayed(this, 1);  }}