执行如下依赖分析指令可以打印依赖树 sh gradlew -q app:dependenciescom.android.support:support-v4:28.0.0 是一个非常庞大的支持库,依赖的东一比较多下面看看详情:standard_testReleaseUnitTestRuntimeClasspath - Resolved configuration for runtime for variant: standard_testReleaseUnitTest +--- com.android.support:support-v4:28.0.0 | +--- com.android.support:support-compat:28.0.0 | | +--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:collections:28.0.0 | | | \--- com.android.support:support-annotations:28.0.0 | | +--- android.arch.lifecycle:runtime:1.1.1 | | | +--- android.arch.lifecycle:common:1.1.1 | | | | \--- com.android.support:support-annotations:26.1.0 -> 28.0.0 | | | +--- android.arch.core:common:1.1.1 | | | | \--- com.android.support:support-annotations:26.1.0 -> 28.0.0 | | | \--- com.android.support:support-annotations:26.1.0 -> 28.0.0 | | \--- com.android.support:versionedparcelable:28.0.0 | | +--- com.android.support:support-annotations:28.0.0 | | \--- com.android.support:collections:28.0.0 (*) | +--- com.android.support:support-media-compat:28.0.0 | | +--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:support-compat:28.0.0 (*) | | \--- com.android.support:versionedparcelable:28.0.0 (*) | +--- com.android.support:support-core-utils:28.0.0 | | +--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:support-compat:28.0.0 (*) | | +--- com.android.support:documentfile:28.0.0 | | | \--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:loader:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | +--- android.arch.lifecycle:livedata:1.1.1 | | | | +--- android.arch.core:runtime:1.1.1 | | | | | +--- com.android.support:support-annotations:26.1.0 -> 28.0.0 | | | | | \--- android.arch.core:common:1.1.1 (*) | | | | +--- android.arch.lifecycle:livedata-core:1.1.1 | | | | | +--- android.arch.lifecycle:common:1.1.1 (*) | | | | | +--- android.arch.core:common:1.1.1 (*) | | | | | \--- android.arch.core:runtime:1.1.1 (*) | | | | \--- android.arch.core:common:1.1.1 (*) | | | \--- android.arch.lifecycle:viewmodel:1.1.1 | | | \--- com.android.support:support-annotations:26.1.0 -> 28.0.0 | | +--- com.android.support:localbroadcastmanager:28.0.0 | | | \--- com.android.support:support-annotations:28.0.0 | | \--- com.android.support:print:28.0.0 | | \--- com.android.support:support-annotations:28.0.0 | +--- com.android.support:support-core-ui:28.0.0 | | +--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:support-compat:28.0.0 (*) | | +--- com.android.support:support-core-utils:28.0.0 (*) | | +--- com.android.support:customview:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | \--- com.android.support:support-compat:28.0.0 (*) | | +--- com.android.support:viewpager:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | \--- com.android.support:customview:28.0.0 (*) | | +--- com.android.support:coordinatorlayout:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | \--- com.android.support:customview:28.0.0 (*) | | +--- com.android.support:drawerlayout:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | \--- com.android.support:customview:28.0.0 (*) | | +--- com.android.support:slidingpanelayout:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | \--- com.android.support:customview:28.0.0 (*) | | +--- com.android.support:interpolator:28.0.0 | | | \--- com.android.support:support-annotations:28.0.0 | | +--- com.android.support:swiperefreshlayout:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | +--- com.android.support:support-compat:28.0.0 (*) | | | \--- com.android.support:interpolator:28.0.0 (*) | | +--- com.android.support:asynclayoutinflater:28.0.0 | | | +--- com.android.support:support-annotations:28.0.0 | | | \--- com.android.support:support-compat:28.0.0 (*) | | \--- com.android.support:cursoradapter:28.0.0 | | \--- com.android.support:support-annotations:28.0.0 | \--- com.android.support:support-fragment:28.0.0 | +--- com.android.support:support-compat:28.0.0 (*) | +--- com.android.support:support-core-ui:28.0.0 (*) | +--- com.android.support:support-core-utils:28.0.0 (*) | +--- com.android.support:support-annotations:28.0.0 | +--- com.android.support:loader:28.0.0 (*) | \--- android.arch.lifecycle:viewmodel:1.1.1 (*) \--- :app-standard-debug