kotlin

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Android开发Kotlin语言协程中的并发问题和互斥锁

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[详细]

2024-08-10 11:06 分类：开发
how to delete the content of text file without deleting itself

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.[详细]

2023-03-26 17:40 分类：问答
How can I generate random number in specific range in Android? [duplicate]

This question already has answers here: How do I generate random integers within a specific range in Java?[详细]

2023-03-06 16:50 分类：问答
Listener for Done button on EditText? [duplicate]

This question already has answers here: A开发者_如何学Cndroid - Handle "Enter" in an EditText[详细]

2023-02-25 06:41 分类：问答
How to enable/disable WiFi from an application?

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);[详细]

2023-02-25 05:13 分类：问答
Total row count for pagination using JPA Criteria API

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[详细]

2023-02-18 17:51 分类：问答
How to launch an Activity from another Application in Android

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[详细]

2023-01-18 18:39 分类：问答
Kotlin Take within Apply scope not working in android

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.[详细]

2022-12-07 23:34 分类：问答
Put KotlinLogging Logger call in another file and retain name

I want to do something like // In Log.kt val logger = KotlinLogging.logger {} // In Main.kt after importing logger[详细]

2022-12-07 22:45 分类：问答
Jetpack compose: Pending composition has not been applied when rememberSaveable is used

I had a search view that worked fine but didn\'t keep the user input on back navigation (from detail view).[详细]

2022-12-07 21:36 分类：问答