Android
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Android physical key sorting and example code
First show you a piece of code, and then explain. Some common physical keys Power key keycode_ POWER Back key keycode_…… -
Android ColorMatrix
Coordinate matrix It is introduced in advanced mathematics. In image processing, it is mainly used for plane scaling, …… -
Android back click twice to exit the application details and implementation method summary
Idea: capturing user keys in Android is in the onkeydown method. You only need to judge whether the user keys are keyc…… -
Complete analysis of Android service startup process
When I first learned about service, I thought it was a thread encapsulation and could also perform time-consuming oper…… -
Android achieves cool checkbox effect
First, paste the effect picture of the implementation: The effect of GIF may be a little too fast, and the effect will…… -
Detailed explanation of Android lightweight database SQLite
Database is the core of Android storage scheme. In andorid, SQLite is very lightweight, and the execution of SQL state…… -
Android realizes the animation menu at the bottom of 360 mobile assistant
First, let's take a look at the comparison between our effect and 360 effect: 360 mobile assistant effect demonstratio…… -
Android custom view implementation verification code
This article is based on some extensions of Hongyang's Android custom view (I), as well as some reprints of the detail…… -
Android implements listview with parallax effect
What is the parallax effect? The so-called parallax effect is very common in web design and mobile applications. We ca…… -
Android seekbar control usage details
MainActivity. java activity_ main. xml The above is all about the detailed usage of Android seekbar control brought by…… -
Android component banner realizes left and right sliding screen effect
What is a banner component? In many Android applications, such as iqiyi client, Baidu meipai, APP treasure, etc., ther…… -
Summary of Android wechat signature knowledge
preface Recently, an application of a project needs to log in on wechat. We all know that wechat login needs to be app…… -
Implementation method of “immersive” status bar effect above Android 4.4
What is an immersive status bar? Immersive status bar means that the color of the status bar changes with the color of…… -
Method for Android to realize circular avatar by using circleimageview
Circleimageview realizes the code sharing of circular avatar for your reference. The specific contents are as follows …… -
Difference between Android net and WAP access point
When we use Android devices to connect to the network, if it is a WAP access point, we need to set an agent. The agent…… -
Summary of problems in Android easeui 3.0 instant messaging
0. Needless to say about the registered account. 1. Create application and obtain appkey 0. Create an application 1. F…… -
Reactnative (API) asyncstorage storage details and examples
Asyncstorage storage is similar to shared Preference Storage in Android or nsdefaultuser in IOS, but asyncstorage in r…… -
Android realizes app environment separation (using gradle)
1、 Introduction to environmental separation Each app project will have at least two environments: test environment an…… -
Customize popupwindow in Android to realize pop-up box with animation effect
Use popupwindow to realize pop-up box with animation effect First, customize popupwindow R.layout. lost_ pop_ Menu fil…… -
Method of realizing sliding distance listener in Scrollview in Android
preface As we all know, Scrollview is a UI control we often use. Maybe you will find that when you want to monitor the…… -
Android realizes self-made and playing recording program
First, let's take a look at the screenshot of the implementation: When a recording file exists, it will be displayed i…… -
Android enables camera shooting, selection and image clipping
Some recent learning experiences: Function realization: after clicking the round avatar, you can upload the album or t…… -
Android creates tabs with fragment
This paper combines the previous practice of dynamically creating fragments to realize the creation of a tab @ h with …… -
In depth analysis of the difference between service and thread in Android
Service is neither a process nor a thread. The relationship between them is as follows: Some friends may ask, since it…… -
Android phone screen adaptation solution
0. Preface Android screen adaptation, even if a certain element has the same display effect on Android phones of diffe…… -
Android custom view implementation method of click and double click events
Custom view, 1. Customize a runnable thread toucheventcountthread to count the hits within 500ms 2. invoke the thread …… -
Obtaining contact information display and echo of Android mobile guard
The previous article has implemented the relevant layout, and this paper then implements the relevant functions Read t…… -
Android get HD app icon code sharing
There is only one way for Android to obtain HD app icons. The details are as follows The above is the whole content of…… -
Android custom control to achieve a small ball moving with your finger
A small demo about custom controls, a small ball moving with your fingers. First look at the renderings: The implement…… -
Basic learning of frame animation of Android animation
preface In Android, there are two ways to implement Animation: tween animation and frame animation. Gradient animation…… -
Detailed explanation and example code of react native textinput component
Adapt to both Android and IOS The code comments are more detailed Thank you for reading, hope to help you, thank you f…… -
Implementation process of Android 6.0 Bluetooth communication for Android adaptation
Note in advance: Android Bluetooth needs to locate the permission application. It can only be used after the user manu……