boyan01

# macos

## debug

./flutter/tools/gn --unoptimized

ninja -C out/host_debug_unopt


## release 

boyan01

    private static int[] calculateAutoFitWidthHeight(Size parentSize, Size originSize) {
        int width = parentSize.getWidth();
        int height = parentSize.getHeight();

        int originW = originSize.getWidth();
        int originH = originSize.getHeight();
        
        float v1 = height / ((float) originH);
        float v2 = width / ((float) originW);

boyan01

import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

class FocusGridView extends GridView {
  FocusGridView.builder({
    Key key,
    Axis scrollDirection = Axis.vertical,
    bool reverse = false,
    ScrollController controller,
    bool primary,

boyan01

    /**
     * 让 RecyclerView 可以左滑删除
     * @param onItemSwiped 响应左滑删除时的调用
     * @param onItemRevoked 响应撤回删除时的调用
     */
    private fun <T : Any> RecyclerView.setSwipeAble(
            onItemSwiped: (position: Int) -> T,
            onItemRevoked: (position: Int, value: T) -> Unit,
            onItemMoved: (from: Int, to: Int) -> Boolean
    ) = ItemTouchHelper(object : ItemTouchHelper.Callback() {

boyan01

class LoadMoreDelegate(private val onLoadMoreListener: OnLoadMoreListener) {


    fun attach(recyclerView: RecyclerView) {
        recyclerView.addOnScrollListener(LoadMoreListener(onLoadMoreListener))
    }

    class LoadMoreListener(
            private val onLoadMoreListener: OnLoadMoreListener) : RecyclerView.OnScrollListener() {

boyan01

/**
 * author : SUMMERLY
 * e-mail : [email protected]
 * time   : 2017/8/23
 * desc   : 用于持续保存Cookie
 */
abstract class CookieStore {

    abstract fun add(url: HttpUrl, cookie: Cookie)