Design Patterns Note 01 — Design Principles
These six principles are more or less familiar, and we do not cover them all when we type code. The reason is not that the...
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Category: android
Android simple video recording
December 6, 2023
by John Morrison-Kennedy
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Android video recording preview Camera and SurfaceView combination to achieve preview after obtaining the available Camera, configure preview data, note ⚠️, this has to wait...
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Intent and Intent Filter | Android development series
December 6, 2023
by 王雅玲
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An Intent is a messaging object that can be used to request actions from other application components. Although intents can facilitate communication between components in...
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Kotlin – Higher order functions and function references
December 6, 2023
by Benjamin Roberts
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Where forEach requires that a function of type (T) -> Unit be passed as an argument (that is, one argument with no return value), Filter,...
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Kotlin Coroutine User’s Manual — Job(part 1)
December 6, 2023
by Neil Evans
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The previous article introduced suspend functions in coroutines -- introducing the Continuation interface in coroutines and the concept of CPS variations, and exploring in detail...
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Flutter fluency optimization component Keframe
December 6, 2023
by Wendy Haynes
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Fps_monitor Keframe lets you slide a list more smoothly
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Optimizes Apk package size with “Linglong Pagoda” of God operation
December 6, 2023
by Ms. Sara Sexton
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The work is neither long nor short, and the depth has not been considered before, but it is perfect when it is written. Now we...
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7. Master basic knowledge of audio and render PCM data with AudioTrack and OpenSL ES
December 6, 2023
by 金淑芬
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Before explaining audio rendering, it is necessary to understand the basic knowledge of audio, so this article is divided into basic concepts, AudioTrack and OpenSL...
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BIO (IO) versus NIO — NIO
December 6, 2023
by Jake Pearce
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The difference is that in principle, the BIO is flow-oriented and the NIO is buffer-oriented and channel-oriented. The BIO blocks client requests (requests come in...
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The difference between view.inflate and layoutinflater.inflate
December 6, 2023
by Nehmat Chauhan
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Why would some experienced people want you to load a layout with LayoutInflater. From (context).inflate(layoutResId, root, attachToRoot)
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“Only fullscreen Opaque Activities can request orientation
December 6, 2023
by Miss Chelsea Akhtar
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Recently, I was in charge of part of the upgrade adaptation work in the upgrade of TargetsdkVersion. Later, I will find time to make an...
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Android Jetpack Navigation component — a nested Navigation diagram
December 6, 2023
by Tara Kale
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Android Jetpack Navigation uses code to describe two ways to implement Navigation diagrams. You can also visit my Github to get the full demo code
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Embrace Kotlin: Implement the singleton pattern using Kotlin
December 6, 2023
by Natalie Gonzalez
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Instead of using Java's private Constroctor and getInstance interfaces, you can use Object directly. When it comes to lazy loading, we can directly jump to...
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Android opens designated QQ and QQ groups in APP
December 6, 2023
by Miss Hilary Rogers
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Check whether the QQ client is installed. 2. Open the specified QQ chat page. 3.
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Deep study source code: Activity start process analysis
December 6, 2023
by 陳鈺婷
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This article is based on Android 10 version of the source code, from the Activity start method startActivity as the entry to analyze the whole...
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Fluttify is a one-week plugin for Flutter
December 6, 2023
by Mohanlal Brar
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Click me to get Key. Click me to view the necessary data SHA1 and package name for Key registration. AmapView is a subclass of the...
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Choreographer for Android Graphics Systems
December 6, 2023
by Nancy Hall
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A new Window is created. Creating a new Window generally means starting a new Activity and loading an XML layout into the decorView. Source code...
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Android Jetpack Database Room
December 6, 2023
by Badal Saran
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SQLiteOpenHelper is an abstract class that usually implements its own database. It needs to inherit SQLiteOpenHelper, build tables in OnCreate(), handle version migration in onUpgrade(),...
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Why worry, natural selection is an immutable law of nature, vegetable chicken deserved to be eliminated!
December 6, 2023
by 丁雅筑
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The past decade has been the golden period for the vigorous development of mobile Internet. It is believed that everyone has also enjoyed the bonus...
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Span can be used to load network graphs.
December 6, 2023
by Ashley Diaz
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Achieve a text and text mixed row effect. Consider using ImageSpan, but ImageSpan only supports local images, and I need to support web images.
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Android repair series (14), source code, inverse code, complement, bit operation
December 6, 2023
by Aidan Reardon
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This series of articles seem to be scattered, but they always have a main outline. The reason why I chose this general name at that...
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What is a Transform in Gradle?
December 6, 2023
by Lauren Johnson
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Gradle is a gradle plugin. Gradle is a gradle plugin. Gradle is a gradle plugin. Gradle is a gradle plugin
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Kotlin generic
December 6, 2023
by Ryan Chaudhary
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What is the zhan-site variance and Type projection variation in Kotlin have to say that the covariant and contravariant concepts are always confusing
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Android Web Request (I) : OkHttp3
December 6, 2023
by Maia Stone
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OkHttp is a lightweight web request framework contributed by Square. The synchronization request of GET, the synchronization request is done in the child thread, and...
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Android. Support. The v4. App. INotificationSideChannel $Stub $Proxy or Manifest merger failed with multiple…
December 6, 2023
by Hayley Collis
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Upgrade builds for AndroidStudio and project. Androidstudio upgrading to 3.4.1 track, for example, gradle plugin upgrade to the classpath 'com. Android. View the build: gradle:...
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RecyclerView | use in RecyclerView ListAdapter
December 6, 2023
by 王佩君
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This article is the second in a series of introduction to RecyclerView. If you already have some knowledge of creating RecyclerView, read on. If you...
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Android TextView application details
December 6, 2023
by 賴俊賢
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I try to write tutorials like this for things I use a lot, like dictionaries; It is also convenient to inquire after yourself; TextView is...
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Interviewer: How do you monitor the FPS of your application?
December 6, 2023
by Donald Morris
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Even if you don't know about FPS, you've probably heard that on Android, drawing time per frame should not exceed 16.67ms. So where did this...
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Java thread pool source code analysis
December 6, 2023
by Aayush Borra
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This article is about Java thread pool source code analysis. The source code analyzed in this article is based on the Java Development Kit (JDK)...
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Cross-platform Js Bridge rookie -DSBridge Android
December 6, 2023
by 黃婷婷
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Cross-platform; Supports both ios and Android. Suppose Native implements two apis: testSyn and testAsyn. Parameters are passed in JSON. TestSyn is a synchronous API that...
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