通过andriod studio新建的工程,缺省只包含了com.android.support:appcompat-v7
依赖包,找不到RecyclerView
,网上大多数文章说是引入com.android.support:recyclerview-v7
,试了一下也是不行,对比以前的工程,发现是少了com.android.support:design
dependencies {
implementation fileTree(include: ['*.jar'], dir: 'libs')
implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:design:27.1.1'
implementation 'com.android.support.constraint:constraint-layout:1.1.2'
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 'com.android.support:support-v4:27.1.1'
}