Android Studio 3.0 升级以后若干环境问题解决

1. Android Studio 运行时提示 ” Please select Android SDK“

将gradle编译的minSDK version 改为 17 以上

是因为升级了build tools的原因，要打开project structure将 Build Tools Version改成最新的

2.升级Android Studio 3.0之后，项目报错 Error:Removing unused resources requires unused code shrinking to be turned on.

在gradle编译脚本中把shrinkResources true加上重新编译，可clean一下：

buildTypes {
        debug {
            applicationIdSuffix ".debug"
            minifyEnabled false
            shrinkResources false
            zipAlignEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
        release {
            minifyEnabled true
            shrinkResources true
            zipAlignEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
            signingConfig signingConfigs.release
        }
    }

3. 编译时报错：Error:All flavors must now belong to a named flavor dimension.

在gradle文件中使用以下方式声明flavor：

android {

    flavorDimensions "official"

    productFlavors {
        official {
            dimension "official"
            manifestPlaceholders = [CHANNEL_VALUE: "official"]
        }
    }

    sourceSets {
        main {
            jniLibs.srcDirs = ['libs']
        }
    }

    lintOptions {
        abortOnError false
    }
}

4. 升级到gradle4.4， AS plugin 3.1.2之后出现gradle编译报错的问题

Configuration 'testCompile' is obsolete and has been replaced with 'testImplementation' and 'testApi'.

It will be removed at the end of 2018. For more information see: http://d.android.com/r/tools/update-dependency-configurations.html

gradle编译文件将之前的 compile 改成 implementation 或者 api

dependencies {

implementation fileTree(include: ['*.jar'], dir: 'libs')

androidTestImplementation('com.android.support.test.espresso:espresso-core:2.2.2', {

exclude group: 'com.android.support', module: 'support-annotations'

})

implementation 'com.android.support:appcompat-v7:25.4.0'

testImplementation 'junit:junit:4.12'
implementation 'com.google.android.gms:play-services-appindexing:8.4.0'

implementation 'com.alibaba:fastjson:1.2.22'
}

5. AndroidStudio 3.0 style attribute '@android:attr/windowEnterAnimation' not found 解决办法：

将前面的@字符去掉：

如：

将<item name="@android:windowEnterAnimation">@anim/pop_scale_up_in</item>

改为：

<item name="android:windowEnterAnimation">@anim/pop_scale_up_in</item>

6 . Program type already present: android.support.design.widget.CoordinatorLayout$Behavior

这个是因为加入android support design库之后跟ConstraintLayout的版本冲突导致

Android Studio 3.0 升级以后若干环境问题解决

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