大约有 930 项符合查询结果（耗时：0.0089秒） [XML]
Custom Adapter for List View
...
@YoushaAleayoub exist ordinal for Enum.. in java & kotlin
– marlonpya
Dec 10 '17 at 4:50
...
构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...实时性的场景，主要用于离线的分析。
基于MapRduce模型编程做数据的分析，开发上效率不高，位于hadoop之上Hive的出现使得数据的分析可以类似编写sql的方式进行，sql经过语法分析、生成执行计划后最终生成MapReduce任务进行执行...
Assert an object is a specific type
...
Solution for JUnit 5 for Kotlin!
Example for Hamcrest:
import org.hamcrest.CoreMatchers
import org.hamcrest.MatcherAssert
import org.junit.jupiter.api.Test
class HamcrestAssertionDemo {
@Test
fun assertWithHamcrestMatcher() {
val ...
Change the Right Margin of a View Programmatically?
... bottom = 8.px)
val bottomDp = myView1.marginBottom.dp
Old answer:
In Kotlin you can declare an extension function like:
fun View.setMargins(
leftMarginDp: Int? = null,
topMarginDp: Int? = null,
rightMarginDp: Int? = null,
bottomMarginDp: Int? = null
) {
if (layoutParams is...
Capture Image from Camera and Display in Activity
...y result API: https://developer.android.com/training/basics/intents/result#kotlin
There are many built-in ActivityResultContracts that allow you to do different things like pick contacts, request permissions, take pictures or take videos. You are probably interested in the ActivityResultContracts.T...
Android ImageView Zoom-in and Zoom-Out
...
I am using your class in a kotlin project. All I had to do is to replace the ImageView with your ZoomableImageView in the layout xml and it did work out of the box! Thanks.
– Lensflare
Sep 14 '18 at 13:19
...
How to parse the AndroidManifest.xml file inside an .apk package
...
Any Java/Kotlin solution that could work for Android?
– android developer
Mar 6 at 8:06
add a comment
...
When and why would you seal a class?
... inheritance or else prohibit it (discussion of same item)
Also note that Kotlin seals classes by default; its open keyword is the opposite of Java's final or the sealed of C#. (To be sure, there is no universal agreement that this is a good thing.)
...
Is Python strongly typed?
...erence
Java forces you to explicitly declare your object types
int x = 50
Kotlin uses inference to realize it's an int
x = 50
But because both languages use static types, x can't be changed from an int. Neither language would allow a dynamic change like
x = 50
x = 'now a string'
...
Checking if an Android application is running in the background
...E SOLUTION - not a hack, like previous solutions. Use ProcessLifecycleOwnerKotlin:
class ArchLifecycleApp : Application(), LifecycleObserver {
override fun onCreate() {
super.onCreate()
ProcessLifecycleOwner.get().lifecycle.addObserver(this)
}
@OnLifecycleEvent(Lifecyc...