Android Studio 3.1.X 如何导入项目

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。

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转载自blog.csdn.net/qunqunstyle99/article/details/80988542