Programmer Think

1, Foreword Recently, we encountered such a problem when designing the interface. We can often see such an interface, which tells users the privacy terms and user agreement, and these color words directly point to the corresponding links At that time, the original idea was to set up multiple textviews to realize it. However, there would ...

Memory leak Memory leak caused by single case public class SingletonActivityContext { private static SingletonActivityContext instance; private Context context; private SingletonActivityContext(Context context) { this.context = context; } public static SingletonActivityContext getInstance(Context context) { ...

In the last article, we introduced the basic use of Fragment. In addition to the conventional static loading and dynamic loading methods, Fragment is often used with ViewPager. Today, let's take a look at how Fragment and ViewPager are used. FragmentPagerAdapter and FragmentStatePagerAdapter When using ViewPager, the PagerAdapter is indispens ...

With the progress of technology and the popularity of cross platform applications, your Android applications are no longer limited to running on straight board touch-screen devices. Richer interaction enables users to use your application with more complex input. So as a developer, it's time to consider providing strong input support for a vari ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 Series navigation Use Hot Chocolate and NET 6 to build GraphQL application article index demand In this article, we will take a simple examp ...

Android inquiry service 1. What is the service Service is a solution to realize the background running of programs in Android. It is suitable for performing tasks that do not need to interact with users and require long-term running The operation of the service does not depend on any user interface. If the program is switched to the backgroun ...

First, briefly describe the third-order Rubik's cube. The Rubik's cube can change its state by disrupting the formula, The six letters (F,B,U,D,L,R) respectively indicate: 90 ° clockwise rotation on the front, 90 ° clockwise rotation on the back, 90 ° clockwise rotation on the top, 90 ° clockwise rotation on the bottom, 90 &deg ...

overview Sword finger offer: the arrangement of strings, numbers that appear more than half in the array, the minimum number of k, and the median in the data stream Android Foundation: Android message mechanism, Android event distribution mechanism Sword finger offer 1.37 arrangement of strings Enter a string and print out all the arran ...

Ideally, take a Demo with login function as an example to introduce decompilation tools and processes, smali and package modification, re signature and back compilation, and other functions   Tool usage: Dex2jar: transfer DEX file to jar file, download address: https://sourceforge.net/projects/dex2jar/files/JD GUI: used to conver ...

Recommended by Haowen: Author: Android_ developer The history of LiveData dates back to 2017. At that time, the observer pattern effectively simplified development, but libraries such as RxJava were too complex for novices. To this end, the architecture component team created LiveData: an observable data storage class with autonomous life cy ...