build.gradle那些事儿

1、在项目的根目录的build.gradle文件当中添加阿里云的资源镜像

// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
    ext.kotlin_version = "1.4.10"
    ext.jitpack_io = "https://jitpack.io"
    ext.ali_group = "http://maven.aliyun.com/nexus/content/groups/public/"
    ext.ali_jcenter = "http://maven.aliyun.com/nexus/content/repositories/jcenter"
    ext.ali_google = "http://maven.aliyun.com/nexus/content/repositories/google"
    ext.ali_gradle = "http://maven.aliyun.com/nexus/content/repositories/gradle-plugin"
    repositories {
        maven { url "$ali_group" }
        maven { url "$ali_jcenter" }
        maven { url "$ali_google" }
        maven { url "$ali_gradle" }
        maven { url "$jitpack_io" }
        google()
        jcenter()
    }
    dependencies {
        classpath "com.android.tools.build:gradle:4.1.0"
        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"

        // NOTE: Do not place your application dependencies here; they belong
        // in the individual module build.gradle files
    }
}

allprojects {
    repositories {
        maven { url "$ali_group" }
        maven { url "$ali_jcenter" }
        maven { url "$ali_google" }
        maven { url "$ali_gradle" }
        maven { url "$jitpack_io" }
        google()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

2、项目当中引入的github上的项目依赖使用时候控件时候没有提示，检查项目根目录build.gradle文件当中是否添加如下代码（添加的方式也可参考上边的方式）：

repositories {
    // 确保已经添加，不然无法正常使用依赖
    maven { url "https://jitpack.io" }
}

3、在Kotlin项目的Activity页面当中无法直接引用xml当中定义的id，检查在项目的app的build.gradle文件的plugin下是否引入"kotlin-android-extensions"

plugins {
    id 'kotlin-android-extensions'
}

或者如下老版本的方法：

apply plugin: 'kotlin-android-extensions'

build.gradle那些事儿

猜你喜欢