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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
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Android JSONObject - How can I loop through a flat JSON object to get each key and value
...o use an Iterator to loop through the keys to get their values.
Here's a Kotlin implementation, you will realised that the way I got the string is using optString(), which is expecting a String or a nullable value.
val keys = jsonObject.keys()
while (keys.hasNext()) {
val key = keys.next()
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How to check internet access on Android? InetAddress never times out
...g with boolean response */ });
Extra: One-shot RxJava/RxAndroid Example (Kotlin)
fun hasInternetConnection(): Single<Boolean> {
return Single.fromCallable {
try {
// Connect to Google DNS to check for connection
val timeoutMs = 1500
val socket = Socket()
val so...
How do you obtain a Drawable object from a resource id in android package?
...
Following a solution for Kotlin programmers (from API 22)
val res = context?.let { ContextCompat.getDrawable(it, R.id.any_resource }
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How to Define Callbacks in Android?
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Could someone give the kotlin equivalent?
– Tooniis
Jan 26 at 4:58
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Timertask or Handler
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Kotlin version of accepted answer:
// execute on the main thread, empty constructor is deprecated
val handler = Handler(Looper.getMainLooper())
val runnableCode = object : Runnable {
override fun run() {
Log.d("H...
How does lombok work?
...ering my own question, please validate when you get a chance "Since Groovy/Kotlin comes with its own fullblown compiler, that will take care of generating bytecode. No need to hack another compiler's (Java Compiler) bytecode generation process."
– so-random-dude
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How can I know when an EditText loses focus?
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Kotlin way
editText.setOnFocusChangeListener { _, hasFocus ->
if (!hasFocus) { }
}
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Methods inside enum in C#
...is pretty close to languages that implement enums natively better than C# (Kotlin for example).
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Android: How to Programmatically set the size of a Layout
...e.COMPLEX_UNIT_DIP, <HEIGHT>, getResources().getDisplayMetrics());
Kotlin
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