OPENGL Coordinate Axis Conversion

Coordinate axis translation rotate zoom Reset the coordinate axis Matrix operation Example 1. Axis of coordinates OpenGL uses a right-handed coordinate system. Looking at the origin from the front, counterclockwise rotation is considered positive rotation. x-axis: from left to right y axis: from bottom to top z axis: from the back ...

Posted on Fri, 23 Aug 2019 22:40:50 -0700 by AliasZero

OkHttp Usage Details

Today I learned OkHttp, and I want to make a summary here. I hope I can help people who need it. Okay, let's not talk much, let's get to the topic. 1. Introduction to OkHttp OkHttp is an excellent web request framework. When it comes to web request framework, many people may think of volley. Volley is a web request framework provided by Goog ...

Posted on Fri, 23 Aug 2019 19:47:38 -0700 by hotwire

Analysis of Android View Event Distribution Source Code

Android Event Distribution Mechanism Through Source Code Analysis Today When the button press the screen, first call the dispatchTouchEvent method. Next, let's look at the source code of the dispatchTouchEvent method as follows: public boolean ...

Posted on Thu, 22 Aug 2019 03:01:26 -0700 by zackcez

Android implements process lifesaving

There are roughly the following methods on the Internet: 1. Setting Service as a Front-end Process2. Return STATR_STICK in the onStartCommand method of service3. Add Manifest file attribute value android:p ...

Posted on Wed, 21 Aug 2019 04:59:57 -0700 by carlmty

FcfrtMvp supports one-click creation of MVP projects, framework concise style and detailed annotations.

FcfrtMvp FcfrtMvp+RxHttp+RxJava (Kotlin and JAVA share perfect support) supports one-click creation of MVP projects, framework simplicity style and detailed annotations, and encapsulation as a request framework based on RxokHttp, a chain can send ar ...

Posted on Tue, 20 Aug 2019 22:54:48 -0700 by JayLewis

Detailed EditText properties you've never seen before

Preface Hi, buddies, Layout, Button, TextView, ImageView. Does it feel a little dull to always learn these single things?So after learning this article, start using your imagination to get started. In this article, we will explain the use of EditText, an input box that is commonly used in Android development.EditText is also a subclass of TextV ...

Posted on Tue, 20 Aug 2019 19:10:33 -0700 by gid

Best Android Button

background Buttons should be one of the most common components in our App, especially in common use. Usually the way we write a button is very simple and fixed. It can be roughly divided into the following steps: Write a Textview in the xml layout according to the size and location of the design draft Create a shape file in the drawable di ...

Posted on Mon, 19 Aug 2019 23:23:38 -0700 by tilde

It's time for Android Tools to save you

In the daily development process, we all encounter the scenario that the UI effect we write needs to be previewed in advance before docking data, and then adjust the UI details and typesetting problems. What is our general practice? If there are basic controls like TextView or ImageView, are you still testing and previewing UI effe ...

Posted on Sun, 18 Aug 2019 23:26:36 -0700 by huppsi

Java jdom parses coloned properties of xml files

Java jdom parses coloned properties of xml files For reprinting, please indicate the source: https://dujinyang.blog.csdn.net/article/details/99644824This article is from: [Ottoman Superman's Blog] If the xml file parsing with colon attributes, usually to deal with special, here is the namespace, N years ago encountered a forgotten record, and l ...

Posted on Sun, 18 Aug 2019 21:12:35 -0700 by tlchung

Groovy Grammar Foundation

Introduction to Groovy Groovy is a dynamic language based on JVM. Its grammar is similar to Java and ultimately compiles. class to run on JVM. Groovy is fully compatible with Java and adds many dynamic types and flexible features, such as closure support and DSL support. Groovy is a very flexible dynamic scripting language. The purpose of this ...

Posted on Sun, 18 Aug 2019 06:42:23 -0700 by raydar2000