建议直接先建一个新的项目,瞅一下有啥不同,然后再修改。
修改appuild:gradle
修改compileSdkVersion和buildToolsVersion
修改前:
compileSdkVersion 23
buildToolsVersion '25.0.0'
修改后:
compileSdkVersion 27
buildToolsVersion '27.0.3'
同时,依赖的关键字需要修改,不是compile了
修改前:
dependencies {
compile fileTree(include: ['*.jar'], dir: 'libs')
compile name: 'SMSSDK-3.0.0', ext: 'aar'
compile name: 'SMSSDKGUI-3.0.0', ext: 'aar'
compile 'com.android.support:appcompat-v7:23.4.0'
compile 'com.android.support:design:23.4.0'
compile 'com.android.support:recyclerview-v7:23.4.0'
}
修改后:
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
testImplementation 'junit:junit:4.12'
androidTestImplementation 'com.android.support.test:runner:1.0.2'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
implementation name: 'SMSSDK-3.0.0', ext: 'aar'
implementation name: 'SMSSDKGUI-3.0.0', ext: 'aar'
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:design:27.1.1'
implementation 'com.android.support:recyclerview-v7:27.1.1'
}
修改项目下的XXX(项目名)uild:gradle
修改前:
buildscript {
repositories {
jcenter()
} dependencies {
classpath 'com.android.tools.build:gradle:2.3.3'
// NOTE: Do not place your application odependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
jcenter()
maven {url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
修改后:
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath 'com.android.tools.buiwld:gradle:3.1.3'//与AS版本号保持一致
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
maven { url "https://jitpack.io" }
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
repositories方法中都增加了google(),build:gradle改和当前AS版本号一致。
修改gradle-wrapper.properties
修改前:
#Tue May 29 08:07:34 CST 2017
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https://services.gradle.org/distributions/gradle-3.3-all.zip
修改后:
#Tue May 29 08:07:34 CST 2018
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https://services.gradle.org/distributions/gradle-4.4-all.zip
主要修改了:
distributionUrl=https://services.gradle.org/distributions/gradle-4.4-all.zip
建议全部改好之后再同步(sync),因为可能是由于后面未修改的地方引起的错误,都改好之后再调整会比较好。
如果报错:
Error: java.util.concurrent.ExecutionException:
com.android.builder.internal.aapt.v2.Aapt2Exception: AAPT2 error: check logs for details
修改gradle.properties,增加如下代码
android.enableAapt2=false
添加android.enableAapt2=false报如下错误请移步Android Studio 3.0后出现AAPT2和“android.enableAapt2”问题以有解决方法,如果有这个错误的话应该就是SDK的版本需要更新了,点击蓝色的链接更新就好了。