大约有 1,500 项符合查询结果（耗时：0.0133秒） [XML]
Get current date in milliseconds
...Now().UnixNano() / 1000000
Hive* unix_timestamp() * 1000
Java / Groovy / Kotlin System.currentTimeMillis()
Javascript new Date().getTime()
MySQL* UNIX_TIMESTAMP() * 1000
Objective-C (long long)([[NSDate date] timeIntervalSi
Wrong requestCode in onActivityResult
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Easier:
Java:
int unmaskedRequestCode = requestCode & 0x0000ffff
Kotlin:
val unmaskedRequestCode = requestCode and 0x0000ffff
Check for the lower 16 bits, just unmask it doing a logical AND with the upper 16 bits zeroed
protected void onActivityResult(int requestCode, int resultCode, Int...
Android read text raw resource file
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Well with Kotlin u can do it just in one line of code:
resources.openRawResource(R.raw.rawtextsample).bufferedReader().use { it.readText() }
Or even declare extension function:
fun Resources.getRawTextFile(@RawRes id: Int) =
...
Use “ENTER” key on softkeyboard instead of clicking button
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We can also use Kotlin lambda
editText.setOnKeyListener { _, keyCode, keyEvent ->
if (keyEvent.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) {
Log.d("Android view component", "Enter butt...
Android: open activity without save into the stack
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Just wanted to add a way to do this in Kotlin:
val i = Intent(this, LogInActivity::class.java)
startActivity(i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK or Intent.FLAG_ACTIVITY_CLEAR_TASK))
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How can I set the focus (and display the keyboard) on my EditText programmatically
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Here is how a kotlin extension for showing and hiding the soft keyboard can be made:
fun View.showKeyboard() {
this.requestFocus()
val inputMethodManager = context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
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App Inventor 2 源码商店
... App Inventor 2 中文网 开始编程 中文文档 中文教程 中文社区 关于 关于我们 发布日志 服务条款 ...
Disable soft keyboard on NumberPicker
...x 1.2.0-rc2, and I combined it with isClickable=true and isFocusable=true (Kotlin)
– hgoebl
Jul 25 at 5:33
add a comment
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Android WebView, how to handle redirects in app instead of opening a browser
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Please use the below kotlin code
webview.setWebViewClient(object : WebViewClient() {
override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {
view.loadUrl(url)
return false
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做了个购物清单App后，我才真正搞懂App Inventor 2的变量 - App应用开发 - ...
...的积木能做出真正好用的App"。
复盘感悟
变量是编程的地基。App Inventor 2把变量简化为5种积木块——初始化全局、初始化局部(do)、初始化局部(return)、取值、设置值——看起来简单，但每个都有其使用场景：
- 全局变...