The Android development series of SQLite

The previous blog mentions SQLite. It is an embedded database because it is lightweight but powerful and is widely used in embedded devices. Later, after the popularity of smartphones and tablets, as a file-based database, it almost became a

Interest calculation with MUI Swipe (mobile app display)

In the development of mobile applications, there will be a lot of gesture operations, such as sliding, long-press, etc., in order to facilitate the quick integration of these gestures, MUI built-in common gesture events, where the sliding

Build an Android development environment under Windows

With the rapid development of mobile Internet, the concept of front-end has changed a lot, and it is not confined to the web-site. The Android system as the boss of the intelligent machine market, as a front-end development engineer, it is necessary

Debug interface on mobile device, view error message

In the small program development, the request interface is not successful, the phone does not feedback any message, inconvenient mode, this time you need to print out the error messageConvert obj to a string in the Request interface error function,

How to access SQLite using ADB in Android

(1) Open a command prompt, enter: adb, press ENTER, if you get the following a large set of command instructions (1), indicating that the ADB configuration is successful, if prompted "is not an internal or external command, is not a running program

Android system optimization

These are actually some practical tips for optimizing ROM. Think very much is still practical.Build.prop (edit/system/build.prop file (requires root, can use File Manager or other root explorer)Assuming that Build.prop has these parameters, you just

Use of the Axios explained in Vue instance

This article to explain the use of Axios plug-ins, Axios is used to do data interaction plug-ins.This article will be based on the Vue example to explain the use of the project's source code to expand the Vue-router.Axios Steps to use:1. Installing

Learning iOS Development from scratch 1: Understanding Xcode

Before we started, I had to mention the iphone app development tools, and I didn't have any access to iphone development or any of the devices that Apple used. So my idea is only to know that Xcode is the most professional iOS development tool. Now

JS to determine whether the client is a PC or a mobile phone

function IsPC () { var useragentinfo = navigator.useragent; var Agents = ["Android", "IPhone", "SymbianOS", "Windows Phone", "IPad", "IPod"); var flag = true; for (var v = 0; v 0) { flag = false;

Four categories of WiFi developed by Android

Four categories of WiFi developed by AndroidIn Android for WiFi operation, Android itself offers some useful packages under the Android.net.wifi package. To introduce:Can be broadly divided into four basic classes

Android Learning note-textview (text box) (ii)

Article reference from: http://www.runoob.com/w3cnote/android-tutorial-textview.html2.4 Using the Autolink property to identify link typesWhen the text appears in the Url,e-mail, phone number, map, we can set the Autolink property, when we click on

--log tool classes for tools that are useful in Android development

In the process of development. We often use log to output logs to help us debug the programBut sometimes it is not enough to satisfy our needs, for example, I want to know which package this log message comes from. Which classSo we encapsulate a log

Android project development Pits-get system language (compatible with 7.0)

If mobile access is poor, please visit –> GitHubKeywords: Android7.0 , 系统语言 ,顺序不一致Getting the current language of the system is a relatively common feature, the current system language acquired by the old function on Android 7.0 system is not

iOS Common error Analysis resolution (always updated) you are worth collecting-comprehensive stickers

-From the collection summary of a lot of common mistakes1:clang failed with exit code 254One: Check if there is a NSLog in the code that prints a value that returns void.2:verify exit code of build task with internal identifier ' Copypngfile 123.png

Android Technology--find controls in the casual view of Android

1, in very many cases, we may not know the ID of the control, but we want to include this control in the view to find it, can be used for example, the following practices:Example: Find all of the button controls in the activity's root viewprivate

vue2.0 Practice--node + vue for mobile website

IntroductionUse Node + Vue to make a simple mobile implementation of the company's website.Source CodeHttps://github.com/wx1993/node-vue-fabaocneffectComponents Carousel diagram (using Vue-awesome-swiper plugin) News list News

Monitoring of Android phone status

Monitoring of phone Status:/*** * Inherit the Phonestatelistener class, we can once again its internal various monitoring methods and then through the mobile phone state changes, the system itself to trigger these methods to achieve the function we

JS Mobile Client-touch screen swipe event

The effect of mobile touch screen sliding is actually the picture carousel, which is well implemented on the PC's page, binding the click and MouseOver events to complete. But on mobile devices, to achieve this kind of carousel effect, you need to

MATLAB: Moving the image (move function)

Image movement involves the move function, which is implemented as follows:Close all; % close all current graphics windows, empty workspace variable, clear workspace all variables clear all;clc;i=imread (' lenna.bmp '); % input

Writing your first Django app--2017 May 9

Writing your first Django app, part 1Requriments:django 1.8 and Python 2.7Create Project Django-admin Startproject MySite.├──manage.py command Line functionPython Package for └──mysite project├──__init__.py tells Python that this directory is a

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