Recent Posts
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Android 9.0 launcher3 removes the drawer display of all apps (detailed code)
design sketch Modification ideas 1. Add the global control variable sys.launcher3.is_ full_ App for dynamic switching …… -
Process analysis of customization and modification of Android 9.0 systemui network signal bar
previously on Android 8.1 platform systemui navigation bar loading process analysis 9.0 brief description of change p…… -
Radiogroup implements multi row arrangement of radio boxes
The use of radiogroup is very simple, but generally, it can only be arranged horizontally or vertically. If it is arra…… -
The radiogroup of Android custom view realizes multi line display
This example shares the specific code of Android radiogroup across multiple lines for your reference. The specific con…… -
Android custom view puzzle
This example shares the specific code of Android jigsaw puzzle for your reference. The specific contents are as follow…… -
Two surfaceviews achieve switching effect
Requirements: in the video call interface, one surface view displays the local view and the other displays the opposit…… -
Android imitation wechat recording function
Abstract: the requirement is to develop a voice function similar to wechat, without voice to text. I read some codes o…… -
Android imitation wechat voice recording function
This example shares the specific code of Android imitation wechat recording voice for your reference. The specific con…… -
Android radiogroup multi line display effect to solve the problem of single selection
Introduction As shown in the figure below, this is a navigation selection pop-up box. Make a single selection, and the…… -
Detailed explanation of how to use the basic Android control radiogroup
This article shares the use of the basic Android control radiogroup for your reference. The specific contents are as f…… -
Implementation method of Android calendar control
This example shares the implementation code of Android calendar control for your reference. The specific contents are …… -
Solve the problem that Android 10 / Android Q phones cannot locate normally in the background
Android 10 was officially released in September 2019, bringing a very significant change in GPS permissions. It provid…… -
Implementation of stretchable controls with Android bottomsheet
1、 Introduction The bottom sheet is a dialog like control introduced in version 23.2 of the design support library. T…… -
Android custom controls to achieve telescope effect
What Android custom controls want to talk about today is telescope effect, so what is telescope effect? We might as we…… -
Java – can final be removed from the class definition for backward compatibility?
I am currently reading effective java written by Joshua Bloch. Item 17 is "inherit the design and documentation, or pr…… -
Java – check the current exception in the eclipse debugger?
If a Java application throws an unhandled exception, it will cause eclipse to break at that time Is there any way to c…… -
Java – condition – should be unlocked before waiting?
Can you tell me if I should release the lock before waiting for the condition? try { lock.lock(); while (isNot…… -
Java – zoneddatetime as pathvariable in spring rest requestmapping
I have a rest endpoint in my spring application, as shown below @RequestMapping(value="/customer/device/startDate/{sta…… -
Java – are local variables in static methods also static?
I wonder if we declare them statically, all local variables will become static? For example: public static void A(){ …… -
Java – compilation failed; For more information, see compiler error output
When I try to compile build XML file, the following error is: BUILD Failed C:\Users\workspace\testrepo\src\build.xml:3…… -
Help is needed to find the vid / PID of the USB driver connected to the system through Java code
I need to find the supplier ID and product ID of the USB driver connected to the system through Java code. Any suggest…… -
Java – image rotation
I tried to rotate the image I use this java code: BufferedImage oldImage = ImageIO.read(new FileInputStream("C:\\works…… -
Java – how to select from HQL
I am a novice to HQL and have an SQL expression that I need to convert, but I cannot select an SQL statement: select S…… -
java – Float vs Double
Is there a case where compare (equals()) between two floating-point values returns false if they are compared to doubl…… -
Java – draw text in JPanel
I'm looking for the most basic description of how to draw text in JPanel I know there are a billion tutorials, but non…… -
Java – what is the appropriate way to handle warnings: “the expression of X is loaded into X”
I'm not going to close or ignore the expression of type X is boxed into x? Warnings in I wonder if the correct way to …… -
What type of Java constructor call is this?
I've never encountered such a thing. I don't know this type of coding! DefaultHandler handler = new DefaultHandler() {…… -
Java – what happens if the executorservice queue is full
I have a large file up to TB. My task is to process it line by line Each line should take 5 seconds to complete To imp…… -
Equivalent to akka, but Net (concurrency framework)
Is there the equivalent of akka Net? http://doc.akka.io/use-cases Solution You can have a look https://github.com/phat…… -
How is the following java code useful in autonomic computing?
In the book I'm learning, they show this java code: Class c = ClassLoader.getSystemClassLoader().loadClass(name); Clas…… -
JavaFX listview multi selection
I want to select multiple items from listview It responds to mouse clicks I tried this: selectedLogsList.addAll(logsLi…… -
What is the c# equivalent of Java’s class type?
In Java, it is convenient for class to use the generic parameter X But c#'s type class doesn't have this So in c#, how……