大约有 366 项符合查询结果（耗时：0.0278秒） [XML]
How to remove leading zeros from alphanumeric text?
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This does not work in Kotlin, you need to be explicit about the Regex .replaceFirst("^0+(?!$)".toRegex(), "")
– mkabatek
Sep 28 '18 at 21:27
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Programmatically set left drawable in a TextView
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Using Kotlin:
You can create an extension function or just use setCompoundDrawablesWithIntrinsicBounds directly.
fun TextView.leftDrawable(@DrawableRes id: Int = 0) {
this.setCompoundDrawablesWithIntrinsicBounds(id, 0, 0, 0)
}...
Check if application is installed - Android
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Those who are looking for Kotlin solution can use this method,
Here I have shared full code, and also handled enabled status. Check If Application is Installed in Android Kotlin
fun isAppInstalled(packageName: String, context: Context): Boolean {
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how to rotate a bitmap 90 degrees
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Short extension for Kotlin
fun Bitmap.rotate(degrees: Float): Bitmap {
val matrix = Matrix().apply { postRotate(degrees) }
return Bitmap.createBitmap(this, 0, 0, width, height, matrix, true)
}
And usage:
val rotatedBitmap = bitmap.ro...
How to determine the screen width in terms of dp or dip at runtime in Android?
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Answer in kotlin:
context?.let {
val displayMetrics = it.resources.displayMetrics
val dpHeight = displayMetrics.heightPixels / displayMetrics.density
val dpWidth = displayMetrics.widthPixels / displayMetrics....
get the latest fragment in backstack
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Thanks. The most elegant answer. Added it here for Kotlin lovers stackoverflow.com/a/47336504/1761406
– Shirane85
Nov 16 '17 at 18:14
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How to get Resource Name from Resource id
...om.sample.app:id/radio1:
getResources().getResourceName(int resid);
In Kotlin Now :
val name = v.context.resources.getResourceEntryName(v.id)
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为AppInventor2开发自己的拓展(Extension) - App Inventor 2 拓展 - 清泛IT社区，为创新赋能！
...生组件实现不了的、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...
Can't make the custom DialogFragment transparent over the Fragment
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In case someone is looking for the Kotlin snippet, here it is: dialog?.window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT)).
– Francis Laclé
Sep 7 '19 at 15:35
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Trusting all certificates with okHttp
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This is sonxurxo's solution in Kotlin, if anyone needs it.
private fun getUnsafeOkHttpClient(): OkHttpClient {
// Create a trust manager that does not validate certificate chains
val trustAllCerts = arrayOf<TrustManager>(object : X509TrustMa...