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Note: without special instructions, the versions of Flutter and Dart are as follows: Flutter version: 1.12.13+hotfix.5 Dart version: 2.7.0 DatePicker The Flutter does not have the DatePicker control. You need to use the showDatePicker method to pop up the date selection control. The basic usage is as follows: RaisedButton( onPressed: () ...

MobSDK { appKey "888888888888888888" appSecret "888888888888888888" ShareSDK { //Platform configuration information devInfo { SinaWeibo { appKey "888888888888888888" appSecret "888888888888888888" callbackUri &q ...

targetSdkVersion The most interesting of the three version numbers is targetSdkVersion. targetSdkVersion is the main basis for Android to provide forward compatibility. The system will not apply the latest behavior changes until the targetSdkVersion of the application is updated. This allows you to ...

Code preparation Dependency relationship +------------+ +------------+ | | | | | | | | | | | | | | | | | consumer +------------> | provider | | | Re ...

background The front-end students need to return the content type field to return different types according to different file types. In addition, they need to directly open a download link, which actually supports the effect of adaptive preview for browsers like Chrome. https://tool.oschina.net/commo ...

Animated scenes Transition animation is the animation when switching routes There are several ways to do this Inherit PageRoute, copy 5 abstract methods and abstract buildtransition Inherit existing system classes, such as MaterialPageRoute or CupertinoPageRoute Once and for all, use the pagetransit ...

Introduction People who are familiar with uni app should know that uni app does not adapt the cloud function of wechat applet (collectively referred to as cloud function in this article). But what if we need to use cloud functions in some business scenarios? We know that cloud functions can be copied to ...

                          . The linux kernel provides a complete 24 series EEPROM driver, which is located in the "kernel/drivers/misc" directory (at24.c), and can ...

Let's talk about it briefly: the first time I contacted the platform provided by Baidu AI, I looked at it briefly, liked it very much, and provided many practical functions. What we use here is the function of character recognition. Its usage is very simple, and it can be realized by basic http call, ...

(from the original author) Source , reprint please keep the information) Preface                       OpenGL As a graphics rendering engine, and using freeglut Create window, handle keyboard, mous ...