How to use

DoubleHeadedDragonBar

in

cn.bar

@Override
protected void onDraw(Canvas canvas) {
  super.onDraw(canvas);
  drawUnit(canvas);
  drawBg(canvas);
  drawValue(canvas);
  drawButton(canvas);
  calculationToastIndex();
  drawBubble();
  showToastView();
}

private void drawUnit(Canvas canvas) {
  drawText(canvas, buttonWidth / 2, unitTextSize, unitStr1);
  drawText(canvas, viewWidth - buttonWidth / 2, unitTextSize, unitStr2);
}

public DoubleHeadedDragonBar(Context context, AttributeSet attrs, int defStyleAttr) {
  super(context, attrs, defStyleAttr);
  TypedArray a = context.getTheme().obtainStyledAttributes(attrs, R.styleable.DoubleHeadedDragonBar, defStyleAttr, 0);
  buttonHeight = a.getDimension(R.styleable.DoubleHeadedDragonBar_button_height, dp2px(30));
  buttonWidth = a.getDimension(R.styleable.DoubleHeadedDragonBar_button_width, dp2px(60));
  textColor = a.getColor(R.styleable.DoubleHeadedDragonBar_text_color, Color.parseColor("#5C6980"));
  bgColor = a.getColor(R.styleable.DoubleHeadedDragonBar_bg_color, Color.parseColor("#F2F4FE"));
  bgHeight = (int) a.getDimension(R.styleable.DoubleHeadedDragonBar_seek_height, dp2px(4));
  int valueColor = a.getColor(R.styleable.DoubleHeadedDragonBar_value_color, Color.parseColor("#1B97F7"));
  valuePaint.setColor(valueColor);
  int buttonImgId = a.getResourceId(R.styleable.DoubleHeadedDragonBar_button_img, R.drawable.button);
  a.recycle();
  //设置单位显示额的字体
  unitTextSize = buttonHeight * 0.4f;
  textPaint.setTextSize(unitTextSize);
  textPaint.setColor(textColor);
  bgPaint.setColor(bgColor);
  buttonImg = setImgSize(BitmapFactory.decodeResource(context.getResources(), buttonImgId), buttonWidth, buttonHeight);
  mWindowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
  mLayoutParams2 = new WindowManager.LayoutParams();
  mLayoutParams = new WindowManager.LayoutParams();
  mLayoutParams1 = new WindowManager.LayoutParams();
  initLayoutParams(mLayoutParams2);
  initLayoutParams(mLayoutParams);
  initLayoutParams(mLayoutParams1);
}

  public void drawBubble() {

    drawToast();
    drawToast1();
    if (toastView2 == null) {
      return;
    }

    if (isCoincide) {
//            if (toastView2.getVisibility() == GONE) {
//            }
      mLayoutParams2.x = (toastViewX + toastView1X) / 2;
      mLayoutParams2.y = toastViewY;
      if (toastView2.getParent() == null) {
        mWindowManager.addView(toastView2, mLayoutParams2);
      } else {
        mWindowManager.updateViewLayout(toastView2, mLayoutParams2);
      }
      toastView2.setVisibility(VISIBLE);

    } else {
      toastView2.setVisibility(GONE);
    }


  }