目录Kotlin 协程与并发（Coroutines and Concurrency）协程基础并发与同步Mutex（互斥锁）使用 MutexMutex 的其他方法lock：挂起直到互斥锁被锁定。unlock：解锁互斥锁。tryLock总结Kotlin 语言提供了多种
I want to copy the content of file \'A\' to file \'B\'. after the copying is done I want to clear the content of file \'A\' and want to write on it from its beginning.
This question already has answers here: How do I generate random integers within a specific range in Java?
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I want to enable/disable wifi from my Android application. How can I do 开发者_开发技巧that?WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
I am implementing \"Advanced Search\" kind of functionality for an Entity in my system such that user can search that entity using multiple conditions(eq,ne,gt,lt,like etc) on attributes of this entit
I want to launch an installed package from my Android applic开发者_高级运维ation. I assume that it is possible using intents, but I didn\'t find a way of doing it. Is there a link, where to find the i
So, I have a nullable Int that I need to use to truncate a list with "take". B开发者_JAVA百科ut when I do this, the list stays the same.
I want to do something like // In Log.kt val logger = KotlinLogging.logger {} // In Main.kt after importing logger
I had a search view that worked fine but didn\'t keep the user input on back navigation (from detail view).
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