tobevan-优快云博客

原创 Android瀑布流item间隔问题

最近一个项目，竖向瀑布流，RecyclerView+StaggeredGridLayoutManager实现。处理item间隔的时候很是头痛，按照之前GridView写的ItemDecoration导致间隔错乱不堪，我就不贴车祸现场了。奇怪了，明明在getItemOffsets里面设置了间隔，为什么会这么乱 @Overridepublic void getItemOffsets(Re

2017-12-28 17:12:47 5806 1

在Activity类之外监听Activity的生命周期我们都知道Activity的生命周期有几个非常常用的函数如oncreate,onresume,onpause,ondestroy，通常会在里面做一些初始化或者资源释放的操作。如果在当前Activity类里做生命周期对应的操作的话，很方便。但是有一些我们封装好的通用的veiw，只传递进去了一个context进去。如果这个view需要在当前附着的ac

2017-07-14 16:52:17 2220

原创走马灯--动画实现

项目需求：图文走动，从右往左，图文从右逐渐露出，走完图文后控件隐藏。//////////////////////////////////////////////布局文件//////////////////////////////////////////<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http:

2016-10-31 09:49:27 1212

原创 ListView 软键盘与item底部对齐

引出：最近项目中ListView Item中有个回复的按钮，点击后会从屏幕底部弹出回复的输入框+软键盘，同时被点击item的底部与输入框顶部对齐。////////////////////////////////////////////////////////////////////////////////////////////////////预览图： ////////////////////

2016-09-26 22:31:56 1343

原创 Android监听view尺寸变化

问题引出：切换到横屏时有一个view要启动动画，但是获取的宽度为解决方案：view.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() { @Override public void onGlobalLayout()

2016-09-20 09:43:24 12062

原创 Android事件分发与焦点争夺

问题引出：ListView 的 Item 有Button等可点击控件的时候，Button设置了onClickListener后，上层的Item能不能接收到点击事件？ViewGroup包含子View时，存在焦点争夺，默认情况下，子view中含有可点击控件时（Button）会获取到焦点， ViewGroup将事件往子view分发时，如果ViewGroup没有拦截（没焦点的情况下是否拦截在源码中尚未分析出

2016-07-18 09:34:27 2601

原创 GVR-SDK-Unity初体验

1：导入gvr-sdk-unity assets->Import package->Custom package->GoogleVRForUnity.unitypackage 2 : 新建场景 MainCamera(默认)+Light（默认）+Cube（新建）+Plane（新建） 3 : 设置立体摄像机选中摄像机->菜单工具component->GoogleVR->Update Ster

2016-05-31 11:14:33 3547

原创 JS对象继承

function Animal(name){ this.name = name; this.showName = function(){ console.log(this.name); } this.bark=function(){ console.log(this.name+"animal is barking"); };

2015-10-05 21:28:58 417

转载 mfc 中改变背景颜色

一、设置背景颜色的三种方法：1.程序在运行的时候会调用OnPain函数，可以在这里设置背景颜色。void CFlipCardsDlg::OnPaint() {if (IsIconic()) {//保持不变 } else { CRect rc; GetClientRect( &rc );// 获取客户区 CPaintDC dc(this); dc.FillSolidRect(&rc, RGB(0,160,0)); // 填充客户区颜色 CDialog::OnPaint();

2010-09-17 18:04:00 1428

AlgorithmsNotesForProfessionals

This Algorithms® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA, see credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

2018-09-07

AndroidNotesForProfessionals

This Android® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA, see credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

2018-09-07

LinuxNotesForProfessionals

This Linux® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA, see credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

2018-09-06

PythonNotesForProfessionals

This Python® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA, see credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

2018-09-06

GitNotesForProfessionals

This Git® Notes for Professionals book is compiled from Stack Overflow Documentation, the content is written by the beautiful people at Stack Overflow. Text content is released under Creative Commons BY-SA, see credits at the end of this book whom contributed to the various chapters. Images may be copyright of their respective owners unless otherwise specified

2018-09-06

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tobevan的专栏

原创 Android瀑布流item间隔问题

原创在Activity类之外监听Activity的生命周期

原创走马灯--动画实现

原创 ListView 软键盘与item底部对齐

原创 Android监听view尺寸变化

原创 Android事件分发与焦点争夺

原创 GVR-SDK-Unity初体验

原创 JS对象继承

转载 mfc 中改变背景颜色

AlgorithmsNotesForProfessionals

AndroidNotesForProfessionals

LinuxNotesForProfessionals

PythonNotesForProfessionals

GitNotesForProfessionals

android进阶之光

blender-2.79a for mac

基于C51的DS18B20测温源代码

小巧pdg 阅读器（606K 非安装）

MFC 画直线代码

深入浅出MFC（李进久）

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