import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
private void initiateDimens() {
    PtrLocalDisplay.init(mContext);
    mTotalDragDistance = PtrLocalDisplay.dp2px(120);

    mScreenWidth = getContext().getResources().getDisplayMetrics().widthPixels;
    mSkyHeight = (int) (SKY_RATIO * mScreenWidth);
    mSkyTopOffset = -(mSkyHeight * 0.28f);
    mSkyMoveOffset = PtrLocalDisplay.designedDP2px(15);

    mTownHeight = (int) (TOWN_RATIO * mScreenWidth);
    mTownInitialTopOffset = (mTotalDragDistance - mTownHeight * TOWN_INITIAL_SCALE) + mTotalDragDistance * .42f;
    mTownFinalTopOffset = (mTotalDragDistance - mTownHeight * TOWN_FINAL_SCALE) + mTotalDragDistance * .42f;
    mTownMoveOffset = PtrLocalDisplay.designedDP2px(10);

    mSunLeftOffset = 0.3f * (float) mScreenWidth;
    mSunTopOffset = (mTotalDragDistance * 0.5f);

    mTop = 0;
}
 

import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
public void initWithPointList(ArrayList<float[]> pointList) {

        float drawWidth = 0;
        float drawHeight = 0;
        boolean shouldLayout = mItemList.size() > 0;
        mItemList.clear();
        for (int i = 0; i < pointList.size(); i++) {
            float[] line = pointList.get(i);
            PointF startPoint = new PointF(PtrLocalDisplay.dp2px(line[0]) * mScale, PtrLocalDisplay.dp2px(line[1]) * mScale);
            PointF endPoint = new PointF(PtrLocalDisplay.dp2px(line[2]) * mScale, PtrLocalDisplay.dp2px(line[3]) * mScale);

            drawWidth = Math.max(drawWidth, startPoint.x);
            drawWidth = Math.max(drawWidth, endPoint.x);

            drawHeight = Math.max(drawHeight, startPoint.y);
            drawHeight = Math.max(drawHeight, endPoint.y);

            StoreHouseBarItem item = new StoreHouseBarItem(i, startPoint, endPoint, mTextColor, mLineWidth);
            item.resetPosition(mHorizontalRandomness);
            mItemList.add(item);
        }
        mDrawZoneWidth = (int) Math.ceil(drawWidth);
        mDrawZoneHeight = (int) Math.ceil(drawHeight);
        if (shouldLayout) {
            requestLayout();
        }
    }
 

import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
private void setUp(final double diameter) {
    PtrLocalDisplay.init(mParent.getContext());
    final int shadowYOffset = PtrLocalDisplay.dp2px(Y_OFFSET);
    final int shadowXOffset = PtrLocalDisplay.dp2px(X_OFFSET);
    int mShadowRadius = PtrLocalDisplay.dp2px(SHADOW_RADIUS);
    OvalShape oval = new OvalShadow(mShadowRadius, (int) diameter);
    mShadow = new ShapeDrawable(oval);
    if (Build.VERSION.SDK_INT >= 11) {
        mParent.setLayerType(View.LAYER_TYPE_SOFTWARE, mShadow.getPaint());
    }
    mShadow.getPaint().setShadowLayer(mShadowRadius, shadowXOffset, shadowYOffset, KEY_SHADOW_COLOR);
}
 

import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
private void initView() {
    PtrLocalDisplay.init(getContext());
    mLineWidth = PtrLocalDisplay.dp2px(1);
    mDropHeight = PtrLocalDisplay.dp2px(40);
    mHorizontalRandomness = PtrLocalDisplay.SCREEN_WIDTH_PIXELS / 2;
}
 

import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
private int getTopOffset() {
    return getPaddingTop() + PtrLocalDisplay.dp2px(10);
}
 

import in.srain.cube.views.ptr.util.PtrLocalDisplay; //导入依赖的package包/类
private int getBottomOffset() {
    return getPaddingBottom() + PtrLocalDisplay.dp2px(10);
}