Android开发遇见的问题-kotlin

1. 新建项目时报错：unable to find valid certification path to requested target
   这个问题应该是和版本相关的我的AndroidStudio 版本是3.5.3，build.gradle中这样修改。

   // Top-level build file where you can add configuration options common to all sub-projects/modules.
   
   buildscript {
       ext.kotlin_version = '1.3.50'
       repositories {
   //        google()
   //        jcenter()
           mavenCentral()
           maven { url 'https://maven.google.com' }
           google()
           jcenter()
           maven { url "https://jitpack.io" }
           
       }
       dependencies {
           classpath 'com.android.tools.build:gradle:3.5.0'
           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 {
   //        google()
   //        jcenter()
           mavenCentral()
           maven { url 'https://maven.google.com' }
           google()
           jcenter()
           maven { url "https://jitpack.io" }
       }
   }
   
   task clean(type: Delete) {
       delete rootProject.buildDir
   }
   

    

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