Android
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Android takes a picture or selects a picture from the gallery and cuts it
Today, I looked at the part about taking photos and selecting pictures from the album in the first line of code. I fou…… -
Bad asynctask in Android
Asynctask is a very common API, especially when processing data asynchronously and applying data to views. In fact, as…… -
Detailed explanation of Android view class and surfaceview class
In addition to the control class, the main class in Android game development is the display class. The more important …… -
Picasso framework for getting started with Android
1、 Introduction: Picasso is an Android graphics cache library open source by square. You can download and cache pictu…… -
Convert WebP to PNG using java
Webp is Google's image format, which is not supported by the Java class library imageio. At present, in addition to on…… -
Android uses viewpager to achieve slidable zoom in and out Gallery effect
Galleries are available in many app designs, as shown in the following figure: This example is a small project I wrote…… -
How does Android realize automatic app update
Let's take a look at the renderings to be realized: For Android users, it's no exaggeration to say that the mobile app…… -
Source code analysis of Android click event distribution mechanism
summary I've always wanted to write an article about Android event distribution mechanism, but I haven't written it. T…… -
Simple production idea of Android App welcome page
Today's apps generally have a welcome interface when the application is started. This welcome interface generally has …… -
Play appbarlayout to achieve a more cool top bar
The previous article "how to use coordinatelayout is so simple" explained the use of coordinatelayout. Today, we will …… -
Several ways to remove the title bar in Android (three)
1. In Java code (invalid when splashactivity inherits appcompatactivity) 2. On the manifest Change theme in XML 3. Fir…… -
Detailed explanation of onsharedpreferencechangelistener and solutions for non triggering
Before using onsharedpreferencechangelistener, I encountered a small problem, that is, sometimes onsharedpreferencecha…… -
Detailed explanation of Android simple gesture password open source library
brief introduction This paper introduces the use and implementation of an Android gesture password open source library…… -
Android uses theme to customize the switching animation between activities
The animation switching effect between default activities of most Android systems is: slide in on the right and slide …… -
Android take photos and get album pictures
Before I met all kinds of photos, such as obtaining album pictures, I went to Du Niang directly, or I copied the previ…… -
Android customized view to realize circular, rounded and elliptical pictures (bitmapshader graphics rendering)
1、 Foreword Android implements rounded rectangle, circle or ellipse graphics. Generally, it is mainly realized by a c…… -
Fillet progress of Android custom horizontal progress bar
Custom progress bar styles are often used in projects. We generally implement the first of the following. As for the f…… -
Detailed explanation and sample code of listview and GridView developed by Android
Listview and GridView are common controls in Android development. They can achieve many interface effects when used wi…… -
Summary of Android message mechanism problems
The message mechanism of Android is almost a topic that must be asked in the interview. Of course, it is not because o…… -
Android listview sliding delete operation (swipelistview)
The sliding deletion function introduced in the new version of wechat and QQ is a popular function now. In fact, this …… -
Build fast and reliable UI tests in Android
preface Let me see how I V á n Carlo and his team wrote 250 UI tests using espresso, mockito and dagger 2 and ran them…… -
Detailed explanation of Android custom surfaceview
This paper briefly discusses the architecture of Android game engine template in the future. In Android game developme…… -
Problems and solutions in implementing QQ login interface for Android
Let's show you the renderings first: First, several problems encountered in the process: 1. Customize the background o…… -
Android implements the button group instance of the selected commodity size on Taobao
Without much to say, let's start with the last rendering: Now let's talk about some principles! 1、 Principle: 1. In f…… -
Android custom view to achieve typewriter effect
1、 Let's take a look at the effect demonstration first 2、 Implementation principle: In fact, this is not difficult t…… -
The inter process communication (IPC) mechanism of Android system is the way for the server and client in binder to obtain the service manager interface
In the previous article on how service manager becomes a binder daemon of Android interprocess communication (IPC) mec…… -
Android realizes bubble layout / pop-up effect, and the direction and offset of bubble sharp angle are controllable
Android custom layout realizes bubble pop-up, which can control the direction and offset of bubble sharp angle. design…… -
Android code implementation of the most common fist guessing game
This example shares the Android fist guessing game for your reference. The specific contents are as follows Simple pag…… -
Android mobile phone socket communication (server and client)
This example shares the socket communication code of Android mobile phone for your reference. The specific contents ar…… -
Solution to the problem of fragment multi-layer nested method invocation
Generation and introduction of fragment Android runs on a variety of devices, including small screen mobile phones, la…… -
Creating styles and themes for Android tutorial
1、 Foreword As an Android Developer, we generally focus on the functions of the app. But just having functions is not…… -
Android uses dialog style pop-up activity
In Android, we often encounter activities that need dialog style pop-up boxes. First, we may think of setting Android:……