1. Basic concepts of networks and Http protocol
IP address and port number
IP Address: All flattering computers in the network must have a unique IP address as their identity, consisting of a set of decimal digits separated by'. '
Port number: An IP address only guarantees that key data will be sent to the specified computer, but it is not kno ...
Posted on Fri, 15 Nov 2019 22:51:11 -0500 by Vorotaev
When there is a button in the ListView entry in Android, the click event of the item will fail.
I made a list and implemented it with listview. The layout of the item is also very simple, but the monitor room for setting the item doesn't work
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http:// ...
Pop up the number pad
Before decimal point, you can input up to several digits (default 11 digits)
After decimal point, you can enter up to several digits (4 digits by default)
If the decimal point is set to 0, the decimal point is not allowed to be entered
Solve the problem that the page does not recover after the IOS pop-up system ke ...
Posted on Fri, 15 Nov 2019 14:59:00 -0500 by nuttynibbles
Train of thought:
The layout of every RecyclerView item (hereinafter referred to as itemUI) contains the layout of "ceiling text" (hereinafter referred to as StickyLayout). According to whether the ceiling information of the current itemA and the previous itemB is the same, it is decided whether to ...
Posted on Fri, 15 Nov 2019 14:04:55 -0500 by hammadtariq
I. current situation of thermal repair frame
At present, the hot fix framework mainly includes QQ space patch, HotFix, Tinker, robot, etc. According to the principle, the thermal repair framework can be roughly divided into three categories:
Intervening ClassLoader to load dex based on multidex mechanism
native substitution method structure
Posted on Thu, 14 Nov 2019 22:49:36 -0500 by Timewell
If there is a need to postpone the execution of tasks, we often use the handler's postDelay method, but this method is easy to cause memory leakage, because what is not expanded here, the old driver knows. However, in order to solve the problem of memory leakage of the handler, we usually use onDestroy or onStop to perform the ...
Posted on Thu, 14 Nov 2019 12:50:32 -0500 by ravinghatmaker
When android control is in setonclick method, it will trigger performClick() method when it is clicked. We can implement this method in custom control and call a method to generate sound, that is to say, click control to generate sound.
Only one custom Imageview is written here. Almost all other controls are the ...
Posted on Thu, 14 Nov 2019 10:41:02 -0500 by rgermain
Analysis of loading process of system UI navigation bar of Android 8.1 platform
9.0 brief description of change point
1. Add StatusBarMobileView instead of SignalClusterView to control signal bar display
At the same time, StatusBarIconView and statusbarwifi are added
2. The overall process is similar to 8.1
Posted on Thu, 14 Nov 2019 09:58:09 -0500 by Coinnoch
Document 11 / 12 has been completely updated! [Alibaba P7] advanced course for mobile Internet architects + BAT interview questions, click the following link to collect:[Alibaba P7] advanced course for mobile Internet architect + BAT interview questionThis article will introduce the design of component-based framework from the deep understandin ...
Posted on Thu, 14 Nov 2019 04:38:24 -0500 by goleztrol