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I have an error: setOnItemClickListener cannot be used with a spinner, what is wrong?
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Kotlin:
spinner.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
override fun onItemSelected(parent: AdapterView<*>, view: View, position: Int, id: Long) {
print("onItemSelected positio...
Get all child views inside LinearLayout at once
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It is easier with Kotlin using for-in loop:
for (childView in ll.children) {
//childView is a child of ll
}
Here ll is id of LinearLayout defined in layout XML.
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App Inventor 2 SQLite 拓展：超流行兼容主流SQL语法的迷你本地数据库引擎 ...
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在编写此扩展之前，我从未进行过任何 Android 编程。我突然需要一款小型应用，这将是一次完美的学习体验。从小处着手，我遇到了 App Inventor 以及该平台的所有变体。经过一番研究，我得出结论，这将是一个不错的...
vs2008编译boost详细步骤 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...象，很实用的functional功能；
（5）concept check，检查泛型编程中的concept；
（6）Mpl，用模板实现的元编程框架；
（7）Thread，可移植的C++多线程库；
（8）Python，把C++类和函数映射到Python之中；
（9）Pool，内存池管理；
（10）s...
What is the equivalent of “android:fontFamily=”sans-serif-light" in Java code?
...getResources().getFont(R.font.myfont);
textView.setTypeface(typeface);
// Kotlin
val typeface = resources.getFont(R.font.myfont)
textView.typeface = typeface
Option 2 - API 16 and higher
// Java
Typeface typeface = ResourcesCompat.getFont(context, R.font.myfont);
// Kotlin
val typeface = Resour...
ContinuousSpeech 连续语音识别扩展：持续语音识别无需重复启动 · App Inventor 2 中文网
... 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Camera 扩展：相机拍照和录像，程序控制拍照、自动拍照实现，而无需点击系...
... 教育 中文教育版 各版本对比 App上架指南 入门必读 IoT专题 AI2拓展 Aia Store 关于 关于我们 发布日志 服务条款 ...
Recommended way to stop a Gradle build
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are there any nice syntax options here? Consider kotlin's preconditions syntax: require(something != whatever) { "No good!" } as opposed to the more verbose and type-ee if(something != whatever){ throw new GradleException("No good!") }
– Groostav
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How do you close/hide the Android soft keyboard using Java?
...e it to appear (by holding down the menu).
Note: If you want to do this in Kotlin, use:
context?.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
Kotlin Syntax
// Check if no view has focus:
val view = this.currentFocus
view?.let { v ->
val imm = getSystemService(Context.I...
Is there a way to define a min and max value for EditText in Android?
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Kotlin if any one needs it (Use Utilities)
class InputFilterMinMax: InputFilter {
private var min:Int = 0
private var max:Int = 0
constructor(min:Int, max:Int) {
this.min = min
this.max = max
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