这个问题在这里已经有了答案:Failedtoresolve:com.android.support:appcompat-v7:26.0.0(14个答案)关闭5年前。关于https://android-developers.googleblog.com/2017/11/google-play-referrer-api-track-and.htmlPlayInstallReferrerLibrary1.0现已可用TomakeiteasytointegratetheInstallReferrerAPI,we'vereleasedtheInstallReferrerLibrary1.0forA