大约有 930 项符合查询结果（耗时：0.0121秒） [XML]
Fade In Fade Out Android Animation in Java
....addAnimation(fadeOut);
this.setAnimation(animation);
If you are using Kotlin
val fadeIn = AlphaAnimation(0f, 1f)
fadeIn.interpolator = DecelerateInterpolator() //add this
fadeIn.duration = 1000
val fadeOut = AlphaAnimation(1f, 0f)
fadeOut.interpolator = AccelerateInterpolator() //and this
fad...
Can I have onScrollListener for a ScrollView?
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You can use NestedScrollView instead of ScrollView. However, when using a Kotlin Lambda, it won't know you want NestedScrollView's setOnScrollChangeListener instead of the one at View (which is API level 23). You can fix this by specifying the first parameter as a NestedScrollView.
nestedScrollVie...
Android AlertDialog Single Button
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Kotlin?
val dialogBuilder = AlertDialog.Builder(this.context)
dialogBuilder.setTitle("Alert")
.setMessage(message)
.setPositiveButton("OK", null)
.create()
.sho...
Android: Remove all the previous activities from the back stack
..._ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
startActivity(i);
Kotlin
val i = Intent(this, NewActivity::class.java)
// set the new task and clear flags
i.flags = Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK
startActivity(i)
However, it requires API level >= 11.
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Using Pairs or 2-tuples in Java [duplicate]
...lly the (unnecessary) Unit, which has different semantics from the Unit in Kotlin, Scala etc.
– Rick-777
Jan 14 at 13:49
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How to set button click effect in Android?
...lot of image buttons, and you don't want to write xml-s for every button.
Kotlin Version:
fun buttonEffect(button: View) {
button.setOnTouchListener { v, event ->
when (event.action) {
MotionEvent.ACTION_DOWN -> {
v.background.setColorFilter(-0x1f0b8ad...
Converting a view to Bitmap without displaying it in Android?
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There is a great Kotlin extension function in Android KTX: View.drawToBitmap(Bitmap.Config)
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Set selected index of an Android RadioGroup
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Using Kotlin you can make it by
(radio_group_id.getChildAt(index) as RadioButton).isChecked = true
or
radio_group_id.check(R.id.radio_button_id)
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Why do most fields (class members) in Android tutorial start with `m`?
...tyle/Java/Code Generation):
Update: we don't use something like this in Kotlin (so it's better to switch to it and don't use prefixes anymore)
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creating a strikethrough text?
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If you are using Kotlin:
your_text_view.apply {
paintFlags = paintFlags or Paint.STRIKE_THRU_TEXT_FLAG
text = "Striked thru text"
}
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