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创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...分析，表设计，复杂的逻辑需要画出流程序列图。
结对编程。之前这个编程模式被无数人调侃过，其实也不可能让每一个项目全程都是两个人结对编程。这个不现实也浪费资源。我们的结对是在大家开发一个难点模块时，会给...
Android: How to put an Enum in a Bundle?
...
I use kotlin.
companion object {
enum class Mode {
MODE_REFERENCE,
MODE_DOWNLOAD
}
}
then put into Intent:
intent.putExtra(KEY_MODE, Mode.MODE_DOWNLOAD.name)
when you net to get value:...
Stack Overflow：StackExchange网络不同主题网站的”祖父“ - 更多技术 - ...
...我们最早设立的是Stack Overflow，即一个供程序员互相解答编程问题的问答网站，随后我们试图将同样的技术推广到编程之外的领域，比如说烹饪、摄影等等，每个主题的问答站点就都称为StackExchange，合起来也就是StackExchange网络...
How to determine MIME type of file in android?
...lowercase!
Update (19.03.2018)
Bonus: Above methods as a less verbose Kotlin extension function:
fun File.getMimeType(fallback: String = "image/*"): String {
return MimeTypeMap.getFileExtensionFromUrl(toString())
?.run { MimeTypeMap.getSingleton().getMimeTypeFromExtension(toLow...
How to get hosting Activity from a view?
...
I like this solution written in Kotlin
tailrec fun Context?.getActivity(): Activity? = when (this) {
is Activity -> this
else -> (this as? ContextWrapper)?.baseContext?.getActivity()
}
Usage in View class
context.getActivity()
Decompiled cod...
Pick a random value from an enum?
...
Simple Kotlin Solution
MyEnum.values().random()
random() is a default extension function included in base Kotlin on the Collection object. Kotlin Documentation Link
If you'd like to simplify it with an extension function, try th...
Gson - convert from Json to a typed ArrayList
...arameters, such as Class<?> or List<? extends CharSequence>.
Kotlin:
If you need to do it in Kotlin you can do it like this:
val myType = object : TypeToken<List<JsonLong>>() {}.type
val logs = gson.fromJson<List<JsonLong>>(br, myType)
Or you can see this a...
Running code in main thread from another thread
...
Kotlin versions
When you are on an activity, then use
runOnUiThread {
//code that runs in main
}
When you have activity context, mContext then use
mContext.runOnUiThread {
//code that runs in main
}
When you are in ...
How to make a copy of a file in android?
...
Kotlin extension for it
fun File.copyTo(file: File) {
inputStream().use { input ->
file.outputStream().use { output ->
input.copyTo(output)
}
}
}
...
Android Bitmap to Base64 String
...hat file to a Base64 string.
Here is how to do that in easy copy-paste (in Kotlin). Note you must close the base64FilterStream to truly flush its internal buffer.
fun convertImageFileToBase64(imageFile: File): String {
return FileInputStream(imageFile).use { inputStream ->
ByteArray...