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Passing enum or object through an intent (the best solution)
... =
EnumUtil.deserialize(AwesomeEnum.class).from(intent);
OPTION 3 (with Kotlin):
It's been a while, but since now we have Kotlin, I thought I would add another option for the new paradigm. Here we can make use of extension functions and reified types (which retains the type when compiling).
inl...
Converting double to string
...
Kotlin
You can use .toString directly on any data type in kotlin, like
val d : Double = 100.00
val string : String = d.toString()
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Android: how to make keyboard enter button say “Search” and handle its click?
...
In Kotlin
evLoginPassword.setOnEditorActionListener { _, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_DONE) {
doTheLoginWork()
}
true
}
Partial Xml Code
<LinearLayout
android:layout...
How to activate “Share” button in android app?
...
in kotlin :
val sharingIntent = Intent(android.content.Intent.ACTION_SEND)
sharingIntent.type = "text/plain"
val shareBody = "Application Link : https://play.google.com/store/apps/details?id=${App.context.getPackageName()}"
sha...
How can I display a list view in an Android Alert Dialog?
...he user clicks on a list item control is returned to the OnClickListener.
Kotlin version
// setup the alert builder
val builder = AlertDialog.Builder(context)
builder.setTitle("Choose an animal")
// add a list
val animals = arrayOf("horse", "cow", "camel", "sheep", "goat")
builder.setItems(animal...
为AppInventor2开发拓展(Extension) · App Inventor 2 中文网
...组件实现不了的、更加强大的功能。
一般拓展采用java/kotlin语言进行开发，由于拓展开发相当于直接使用安卓原生开发语言开发安卓相关功能，因此理论上拓展可以实现任何的安卓功能。
注意：java/kotlin写出来的拓展只能运行...
Android ClassNotFoundException: Didn't find class on path
...a new Library Project as a module to your Android project and you're using Kotlin in your library do not forget to add
apply plugin: 'kotlin-android'
to top of your module's Gradle file. Android Studio does not add this line when you created a new module and this may waste your hours like me.
E...
How to create a HTTP server in Android? [closed]
...
If you are using kotlin,consider these library.
It's build for kotlin language.
AndroidHttpServer is a simple demo using ServerSocket to handle http request
https://github.com/weeChanc/AndroidHttpServer
https://github.com/ktorio/ktor
AndroidH...
Get context of test project in Android junit test case
...th Android Testing Support Library (currently androidx.test:runner:1.1.1). Kotlin updated example:
class ExampleInstrumentedTest {
lateinit var instrumentationContext: Context
@Before
fun setup() {
instrumentationContext = InstrumentationRegistry.getInstrumentation().context
...
Android and setting width and height programmatically in dp units
...on(TypedValue.COMPLEX_UNIT_DIP, 65, getResources().getDisplayMetrics());
Kotlin
TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 65f, resources.displayMetrics)
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