官术网_书友最值得收藏!

Adding support for coroutines

Now that the project has been created, it's time to add coroutines support. To do this, open the Project section and double-click in build.gradle for the project. It is located inside the Gradle Scripts section:

The correct build.gradle file says Project: RssReader inside parenthesis 

Inside this document, you will add a new variable to centralize the coroutines version. In a new line below ext.kotlin.version, add ext.coroutines_version, as shown here, for example:

buildscript {
ext.kotlin_version = '1.2.50'
ext.coroutines_version = '0.23.3'
...
}
Every time you modify the  build.gradle  files, Android Studio will ask for the configuration to be synchronized again. Until the synchronization is made, the changes will not be applied. 

Now you need to add the dependencies for coroutines. Append the dependency configuration in the build.gradle file for the Module:

The build.gradle file for the Module

First, we will add the dependency for coroutines:

dependencies {
implementation fileTree(dir: 'libs', include: ['*.jar'])
implementation "org.jetbrains.kotlin:kotlin-stdlib-
jdk7:
$kotlin_version"
implementation "org.jetbrains.kotlinx:kotlinx-coroutines-
core:
$coroutines_version"
<...>
}

The application can be executed either on an emulator or on a real device from within Android Studio or from the command line. Android Studio's User Guide offers excellent information on how to do this, in their documentation at  https://developer.android.com/studio/run/index.html

Currently, coroutines are considered an experimental feature. In order to remove any warning when compiling or running apps using coroutines, it's necessary to also append this to the build.gradle file for the Module:

kotlin {
experimental {
coroutines "enable"
}
}
Once coroutines are no longer considered experimental, you can safely avoid adding the previous snippet of code.
主站蜘蛛池模板: 诸暨市| 尤溪县| 江安县| 阜阳市| 驻马店市| 安义县| 余干县| 临邑县| 安新县| 长武县| 澄江县| 牡丹江市| 呼玛县| 佛坪县| 新干县| 穆棱市| 丁青县| 台山市| 古蔺县| 洪江市| 崇义县| 博野县| 颍上县| 英德市| 闽清县| 双城市| 岳池县| 武威市| 中山市| 武义县| 木兰县| 楚雄市| 武城县| 仪征市| 武定县| 嘉兴市| 施甸县| 喀喇沁旗| 宜君县| 霍林郭勒市| 鹤庆县|