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Detecting when user has dismissed the soft keyboard
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It's 2019 now...
So I created a more neat solution with Kotlin
1.Create an extension function:
fun Activity.addKeyboardToggleListener(onKeyboardToggleAction: (shown: Boolean) -> Unit): KeyboardToggleListener? {
val root = findViewById<View>(android.R.id.content)
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BIO与NIO、AIO的区别(这个容易理解) - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...轻操作）的架构，比如聊天服务器，并发局限于应用中，编程比较复杂，JDK1.4开始支持。
AIO方式使用于连接数目多且连接比较长（重操作）的架构，比如相册服务器，充分调用OS参与并发操作，编程比较复杂，JDK7开始支持。...
convert ArrayList to JSONArray
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With kotlin and Gson we can do it more easily:
First, add Gson dependency:
implementation "com.squareup.retrofit2:converter-gson:2.3.0"
Create a separate kotlin file, add the following methods
import com.google.gson.G...
Change Name of Import in Java, or import two classes with the same name
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And in Kotlin: import com.example.Calendar as MyCalendar.
– KevinO
Jan 6 '17 at 0:39
14
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Can I underline text in an Android layout?
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In Kotlin: textView.paintFlags = textView.paintFlags or Paint.UNDERLINE_TEXT_FLAG
– Albert Vila Calvo
Sep 6 '19 at 12:01
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Bold words in a string of strings.xml in Android
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In kotlin, you can create extensions functions on resources (activities|fragments |context) that will convert your string to an html span
e.g.
fun Resources.getHtmlSpannedString(@StringRes id: Int): Spanned = getString(id).toH...
How to grey out a button?
....5f);
button.setClickable(false);
update: I wrote the above solution pre Kotlin and when I was a rookie. It's more of a "quick'n'dirty" solution, but I don't recommend it in a professional environment.
Today, if I wanted a generic solution that works on any button/view without having to create a...
android: move a view on touch move (ACTION_MOVE)
...mmend to use view.translationX and view.translationY to move your views.
Kotlin snippet:
yourView.translationX = xTouchCoordinate
yourView.translationY = yTouchCoordinate
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How to set the font style to bold, italic and underlined in an Android TextView?
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Or just like this in Kotlin:
val tv = findViewById(R.id.textViewOne) as TextView
tv.setTypeface(null, Typeface.BOLD_ITALIC)
// OR
tv.setTypeface(null, Typeface.BOLD or Typeface.ITALIC)
// OR
tv.setTypeface(null, Typeface.BOLD)
// OR
tv.setTypefa...
How to pass a variable from Activity to Fragment, and pass it back?
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For all the Kotlin developers out there:
Here is the Android Studio proposed solution to send data to your Fragment (= when you create a Blank-Fragment with File -> New -> Fragment -> Fragment(Blank) and you check "include frag...