文字跟随的进度条

public class TextProgressbarextends LinearLayout {

    public FlashTextViewtvThumb;
  //public TextView tvThumb;
    public ProgressBarseekBar;
    public RelativeLayoutrelative_circle;
    private ImageViewivCircle;
    private int width =0;
    private Handlerhandler;
    private int progress;//进度
    private int color01=0xffffffFF;
    private int color02=0x33FFED71;
    private int color03=0xffffffFF;
    private int[]colors=new int[] {color01, color02,color03};


    public TextProgressbar(Context context) {
      super(context);
      init();
    }

    public TextProgressbar(Context context, AttributeSet attrs) {
      super(context, attrs);
      init();
    }

    private void init() {
      LayoutInflater.from(getContext()).inflate(R.layout.view_thumb_text_seekbar, this);
      setOrientation(LinearLayout.VERTICAL);
    //tvThumb = (TextView) findViewById(R.id.tvThumb);
      tvThumb = (FlashTextView) findViewById(R.id.tvThumb);
      tvThumb.setmAnimating(true);
      tvThumb.setColors(colors);
      seekBar = (ProgressBar) findViewById(R.id.sbProgress);
      relative_circle = (RelativeLayout) findViewById(R.id.relative_circle);
      ivCircle = (ImageView) findViewById(R.id.iv_circle);
      handler =new Handler();
    }

    public void setCircleBackground(Drawable drawable) {

      ivCircle.setBackground(drawable);
    }

    public void setProgressTextColor(int color) {

      tvThumb.setTextColor(color);

    }

    public void setProgressDrawable(Drawable drawable) {

      seekBar.setProgressDrawable(drawable);

    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
      super.onMeasure(widthMeasureSpec, heightMeasureSpec);
      width = MeasureSpec.getSize(widthMeasureSpec);
      upDateProgress();

    }

    /**
     * 设置Thumb的文字
     *
     * @param text
     */
    public void setThumbText(String text) {

      tvThumb.setText(text);

    }

/**

* 设置进度

*

    * @param progress

    */

    public void setProgress(int progress) {

      seekBar.setProgress(progress);

      upDateProgress();

    }

    /**
    * 设置进度百分比
    *
    * @param num 0-100
    */
    public void setProgress(int num, boolean isAnim) {
      if (isAnim) {
          if (num >=100) {
            num =100;
          }else if (num <=0) {
            num =0;
          }
        
          final int finalNum = num;
          new Thread(new Runnable() {

          @Override
          public void run() {
            for (int i =0; i <=finalNum; i++) {
                progress = i;
                        try {

                        Thread.sleep(30);
                        handler.post(new Runnable() {

                          @Override
                           public void run() {
                           seekBar.setProgress(progress);
                           upDateProgress();
                               
                           }

                         });

                        }catch (InterruptedException e) {

                              e.printStackTrace();

                        }

                    }

            }

          }).start();

       }else {

            seekBar.setProgress(num);

            upDateProgress();

       }

}

    private void upDateProgress() {

        String content =tvThumb.getText().toString();

        float contentWidth =tvThumb.getPaint().measureText(content) /2 +70;

        int realWidth =width -seekBar.getPaddingLeft()-seekBar.getPaddingRight();

//    int maxLimit = (int) (width - contentWidth - seekBar.getPaddingRight());

//    int minLimit = seekBar.getPaddingLeft();

        float percent = (float) (1.0 *seekBar.getProgress() /seekBar.getMax());

//    int left = minLimit + (int) (realWidth * percent - contentWidth / 2.0);

//    left = left <= minLimit ? minLimit : left >= maxLimit ? maxLimit : left;

        float progressWidth = realWidth * percent +seekBar.getPaddingLeft();

        int left = (int) (progressWidth -10);

        if (left <0) left =0;

        if (left > realWidth - contentWidth) left = (int) (realWidth - contentWidth);

        tvThumb.setPadding(left, 0, 0, 0);

        int circle = (int) (progressWidth - UIUtil.dip2px(4.5f));

        if ((circle + UIUtil.dip2px(8)) >width) {

              relative_circle.setPadding(circle - UIUtil.dip2px(0), 0, 0, 0);

          }else {

              relative_circle.setPadding(circle, 0, 0, 0);

        }

    }

}