Android Weekly Notes #479

Android Weekly Issue #479

Detect Instagram-like gestures with Jetpack Compose

用Jetpack Compose构建UI做的手势处理来控制progress bar:

• 点击不同区域.
• 点击并且hold.

What's the equivalent of in Jetpack Compose?

输入View中的控件或者属性, 返回对应的Compose组件.

Safe delay in Android Views: goodbye Handlers, Hello Coroutines!

在Android View中安全地delay.

fun View.delayOnLifecycle(
    durationInMillis: Long,
    dispatcher: CoroutineDispatcher = Dispatchers.Main,
    block: () -> Unit
): Job? = findViewTreeLifecycleOwner()?.let {
    lifecycleOwner -> 
    lifecycleOwner.lifecycle.coroutineScope.launch(dispatcher) {
        delay(durationInMillis)
        block()
    }
}

How to animate BottomSheet content using Jetpack Compose

这个文章想找Bottom Sheet动画的解决方案.

提到的这个app不错:
https://github.com/fabirt/podcast-app

这个app居然用这种方式提供多个ViewModel: https://github.com/fabirt/podcast-app/blob/3ccf4f5f7cbf38631e74cfe3be4f8b8c5aa31920/android/app/src/main/java/com/fabirt/podcastapp/ui/common/ViewModelProvider.kt

最后动画的sample: https://github.com/egorikftp/compose-animated-bottomsheet

Jetpack Compose Support in Workflow

Square的这个workflow: https://github.com/square/workflow

kotlin版本:
https://github.com/square/workflow-kotlin

Android App Modularisation and Navigation

App模块化和navigation.

Sample: https://github.com/veepee-oss/link-router

Migrate from Dagger to Hilt — A Step by Step Guide

从Dagger迁移到Hilt.

An introduction to snapshot testing on Android in 2021

关于Snapshot test的介绍, 各大公司的使用现状, 利弊分析.

后面的文章会讲细节.

Sample: https://github.com/sergio-sastre/RoadToEffectiveSnapshotTesting

Activity Recognition API Tutorial for Android

Activity Recognition API.
检测Activity的开始和退出.

https://developers.google.com/android/reference/com/google/android/gms/location/ActivityRecognitionClient

Jetpack Compose – Text Shadows

文字阴影效果.

加个阴影竟然有这么多种方式.

最后选的这一种:

style = MaterialTheme.typography.h4.copy(
    shadow = Shadow(
        color = shadowColor,
        offset = Offset(4f, 4f),
        blurRadius = 8f
    )
)

Pushing the right buttons in Jetpack Compose

一个button组件的开发过程.

Code

• https://github.com/kojofosu/Quantitizer 数量加减的View组件.
• https://github.com/spotify/ruler 测量app大小.
• https://github.com/veepee-oss/link-router
• https://github.com/zsoltk/chesso chess游戏.
• https://github.com/icerockdev/moko-kswift
• https://github.com/hitanshu-dhawan/McCompose 麦当劳sample app.