AndroidStudio：3.5.2

AndroidPhone：XiaoMi5 （Android 8.0）

AndroidDemo：3.1.4-44

AndroidDemo 源码路径：SimplicityStudio\v5\developer\sdks\gecko_sdk_suite\v3.2\app\bluetooth\android_application

一、修改为适合于 AndroidStdio 3.5.2 的 gradle 版本

--- android_application\gradle\wrapper\gradle-wrapper.properties	
+++ android_application\gradle\wrapper\gradle-wrapper.properties	
@@ -1,6 +1,6 @@
 #Fri Jul 24 14:59:38 CEST 2020
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip

--- android_application\build.gradle	
+++ android_application\build.gradle	
@@ -24,13 +24,13 @@
         maven { url 'https://maven.google.com' }
         mavenCentral()
         jcenter()
         google()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:4.0.2'
+        classpath 'com.android.tools.build:gradle:3.5.2'
         classpath 'org.ajoberstar:grgit:1.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
         classpath "de.mannodermaus.gradle.plugins:android-junit5:1.7.1.1"
     }
 }
 

二、解决长时间卡在 Gradle Resolve dependencies of:classpath 的问题

--- android_application\build.gradle	
+++ android_application\build.gradle	
@@ -18,14 +18,14 @@
 }
 
 buildscript {
     ext.kotlin_version = '1.3.72'
     ext.dagger_version = '2.21'
     repositories {
-        maven { url 'https://maven.google.com' }
-        mavenCentral()
+//        maven { url 'https://maven.google.com' }
+//        mavenCentral()
         jcenter()
         google()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.2'
         classpath 'org.ajoberstar:grgit:1.5.0'

三、移除需要用 gradle 6.1.1 才能使用包（6.1.1需要 AndroidStudio 4.0 以上版本）

--- android_application\build.gradle	
+++ android_application\build.gradle	
@@ -8,13 +8,13 @@
 def buildNumber = 44
 
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'
 apply plugin: 'kotlin-android-extensions'
 apply plugin: 'kotlin-kapt'
-apply plugin: "de.mannodermaus.android-junit5"
+// apply plugin: "de.mannodermaus.android-junit5"
 
 kapt {
     generateStubs = true
 }
 
 buildscript {
@@ -27,13 +27,13 @@
         google()
     }
     dependencies {
         classpath 'com.android.tools.build:gradle:3.5.2'
         classpath 'org.ajoberstar:grgit:1.5.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
-        classpath "de.mannodermaus.gradle.plugins:android-junit5:1.7.1.1"
+//        classpath "de.mannodermaus.gradle.plugins:android-junit5:1.7.1.1"
     }
 }
 
 ext {
     try {
         grgit = Grgit.open(dir: '.')
@@ -146,20 +146,20 @@
     kapt "com.google.dagger:dagger-compiler:$dagger_version"
     kapt "com.google.dagger:dagger-android-processor:$dagger_version"
     // View
     implementation "com.daimajia.swipelayout:library:1.2.0@aar"
     //Test
     def mockKotlin = 'com.nhaarman.mockitokotlin2:mockito-kotlin:2.2.0'
-    testImplementation 'org.junit.jupiter:junit-jupiter'
+//    testImplementation 'org.junit.jupiter:junit-jupiter'
     testImplementation mockKotlin
     testImplementation 'androidx.arch.core:core-testing:2.1.0'
-    testImplementation 'org.mockito:mockito-inline:2.13.0'
+//    testImplementation 'org.mockito:mockito-inline:2.13.0'
     testRuntimeOnly "org.junit.jupiter:junit-jupiter-engine:5.7.1"
     androidTestImplementation mockKotlin
     androidTestImplementation 'androidx.test.ext:junit:1.1.2'
     androidTestImplementation 'androidx.test:rules:1.3.0'
     androidTestImplementation "org.mockito:mockito-android:2.24.5"
     androidTestImplementation 'org.skyscreamer:jsonassert:1.5.0'
     androidTestImplementation('androidx.test.espresso:espresso-core:3.1.0', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
 }

四、为了支持 Android 8.0 的手机，修改最小SDK版本为 26

--- android_application\build.gradle	
+++ android_application\build.gradle	
@@ -54,13 +54,13 @@
 }
 
 android {
     compileSdkVersion 30
     defaultConfig {
         applicationId "com.siliconlabs.bluetoothmesh"
-        minSdkVersion 28
+        minSdkVersion 26
         targetSdkVersion 30
         versionCode versionMajor * 10000000 + versionMinor * 100000 + versionPatch * 1000 + buildNumber
         versionName "${versionMajor}.${versionMinor}.${versionPatch}"
         buildConfigField "String", "GIT_SHA", "\"${gitSha}\""
         buildConfigField "Integer", "BUILD_NUMBER", "${buildNumber}"
         testInstrumentationRunner 'androidx.test.runner.AndroidJUnitRunner'