Programmer Group

2021SC@SDUSC public class CabinetService extends Service {} Create a CabinetService class, which inherits from the Service class The specific contents of the class are analyzed as follows: private String TAG = CabinetService.class.getSimpleName(); public class LocalBinder extends Binder { public CabinetService getService() { ...

How to customize? The Helper holds a reference to the view, so you can get the view (getViews) and then operate the viewcallback before and after onLayout (updateprelay / updateprelay) is providedThe Helper inherits the view, so the Helper itself is also a view CircularRevealHelper [the external chain picture transfer fails. The source stati ...

android studio relies on offline configuration gradle settings 1. Switch the directory structure to project mode and open the gradle/wrapper/gradle-wrapper.properties file under the project directory 2. Set the gradle local dependency package location The original configuration distributionUrl of the project is the remote gradle address. Th ...

Key points of text objectives The development of audio and video is very popular now. Playing online audio and video on the mobile terminal is a very traffic consuming scene. Therefore, a good player should save while listening, keep the buffer margin relative to the user's current playback progress, but avoid buffering all files at one time, ...

Use of Android retro fit 1, Overview 1. What is retrofit Retrofit is a popular network request framework. It can be understood as an enhanced version of okhttp. Okhttp is encapsulated at the bottom. To be exact, retrofit is the encapsulation of a RESTful http network request framework. Because the network request is essentially completed ...

Some nagging As long as all apps on the market have search function, they are almost inseparable from streaming layout, such as Taobao, JD, xiaohongshu and so on. During the summer vacation, I wrote an app similar to Taobao, which uses this streaming layout. This is the actual effect of your app Here are the test results Inherit ViewG ...

@Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { String editable = evPwd.getText().toString(); String regEx = "[^a-zA-Z0-9]"; //Only letters or numbers can be entered Pattern p = Pattern.co ...

What is the status bar: It refers to the top left of the mobile phone, showing China Mobile, security guards, power, network speed, etc. at the top of the mobile phone. The drop-down will display the notification bar. Let me show you a picture Immersive status bar: Simply put, the status bar will change color adaptively according to the mob ...

Key points of text objectives A previous article showed the gallery effect realized by RecyclerView, which is suitable for album / picture / list browsing effect. This article describes how to realize the 3D gallery effect shown in the figure below based on RecyclerView. The focus of the following effects is to realize the layer superposition ...

Jetpack Compose does not have an official Banner control at present, so it can only be completed by writing and searching some materials. Thank you very much for sharing these contents before. design sketch accompanist group Library accompanist The group library aims to provide supplementary functions for jetpack composition. There are ma ...