大约有 366 项符合查询结果（耗时：0.0326秒） [XML]
Get color value programmatically when it's a reference (theme)
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To add to the accepted answer, if you're using kotlin.
@ColorInt
fun Context.getColorFromAttr(
@AttrRes attrColor: Int,
typedValue: TypedValue = TypedValue(),
resolveRefs: Boolean = true
): Int {
theme.resolveAttribute(attrColor, typedValue, resolveRefs)
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How can I change the EditText text without triggering the Text Watcher?
...(text);
if (focussed) {
editText.requestFocus();
}
}
For Kotlin:
Since Kotlin supports extension functions your utility function could look like this:
fun EditText.updateText(text: String) {
val focussed = hasFocus()
if (focussed) {
clearFocus()
}
setText(...
throw checked Exceptions from mocks with Mockito
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For Kotliners: Kotlin doesn't have checked exceptions, so you cannot normally declare (in the function signature) that the function throws an exception. However, you can annotate the function with Throws annotation to make the co...
How can I make my custom objects Parcelable?
...zableParcelable Generator (The MIT License)
Parcelable Code Generator (for Kotlin) (Apache License 2.0)
These plugins generate Android Parcelable boilerplate code based on fields in the class.
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How to delete a whole folder and content?
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In Kotlin you can use deleteRecursively() extension from kotlin.io package
val someDir = File("/path/to/dir")
someDir.deleteRecursively()
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How to get a resource id with a known resource name?
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wikipedia says kotlin first appeared in 2011 , how can you answer a question about it in 2010
– Abhinav Chauhan
Apr 22 at 7:08
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Call an activity method from a fragment
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For Kotlin developers
(activity as YourActivityClassName).methodName()
For Java developers
((YourActivityClassName) getActivity()).methodName();
sha...
Change Checkbox value without triggering onCheckChanged
...ckedChangeListener(mListener);
}
super.toggle();
}
}
Kotlin version, if you prefer:
class CheckBox @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0) : AppCompatCheckBox(context, attrs, defStyleAttr) {
private var listener: Comp...
How to get the first element of the List or Set? [duplicate]
...wed by or encapsulated within the appropriate checks or try-catch blocks.
Kotlin:
In Kotlin both Arrays and most of the Collections (eg: List) have a first method call.
So your code would look something like this
for a List:
val stringsList: List<String?> = listOf("a", "b", null)
val first...
String variable interpolation Java [duplicate]
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You can use Kotlin, the Super (cede of) Java for JVM, it has a nice way of interpolating strings like those of ES5, Ruby and Python.
class Client(val firstName: String, val lastName: String) {
val fullName = "$firstName $lastName"...