Programmer Think

When using Handler asynchronous operation and returning the result to update the UI, it is usually written as follows: public class SampleActivity extends Activity { private final Handler mLeakyHandler = new Handler() { @Override public void handleMessage(Message msg) { // TODO } } } It seems normal, but in fact, the a ...

Chicken Soup for the soul: those who know are inferior to those who are good, and those who are good are inferior to those who are happy. abstract I've been using RecyclerView with a little tremor because I haven't been able to understand how to implement pull-up loading, and I'm fed up with every time I go to Github to find open source introdu ...

view Display Flow of Custom view To display a view, it needs three processes: measurement, layout and drawing. This chapter discusses these three processes in detail. View's three major processes are more complex to analyze concretely. This article will not analyze in detail from the root causes, but it can ensure that it can reach a pract ...

Reload address: http://www.jianshu.com/p/402225fce4b2 JVM Memory Management Java uses GC for memory management.An in-depth knowledge of JVM memory management is recommended, Understanding Java Virtual Machines in depth.As for memory leaks, there are several strategies for memory allocation in JVM. Static Static memory, which is allocate ...

I. Container Type Create a global container, store all activities, and iterate through all activities when you exit import java.util.ArrayList; import java.util.List; import android.app.Activity; import android.os.Bundle; public class BaseActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { super. ...

Original address: http://www.cnblogs.com/sw926/p/3230659.html Popup Windows is a custom pop-up window on Android, which is very convenient to use. The constructor of Popup Window is public PopupWindow(View contentView, int width, int height, boolean focusable) contentView is the view to be displayed, width and height are the width ...

First look at the effect 20170123112552092.png Since android 5.0, RecyclerView has been an indispensable control in android development. Needless to say, it is certainly not possible to add a header layout directly with RecyclerView like a listview. How can RecyclerView add a header layout with one click and achieve a round-robin ef ...

This is a serial of Liu Ting, author of Bird's Nest."Shop Project Actual Series to talk about how to achieve "Shopping mall of Taobao in Jingdong". The selection effect of the bottom layout of Jingdong Mall seems very complex, but it is actually very simple. This is mainly thanks to the selector selector. This article will ...

This is a serial of Liu Ting, author of Bird's Nest."Shop Project Actual Series to talk about how to achieve "Shopping mall of Taobao in Jingdong". Last article Shop Project Actual | 2.1 Android Imitate Jingdong Shop - Custom Toolbar (1) Now that you've introduced some of the basic properties of Toolbar and its simple use, ...

How many people want to develop a small program and find that their foundation is 0. Today, I would like to share with you an inspirational case: a girl who reads atmospheric science and teaches herself the front-end development, because she likes to browse and know, she has made a "imitation" small program. I hope her development e ...