unresolved dependencies

[tayebe 0]

سلام من تازه برنامه نویسی اندروید رو شروع کردم و نمیتونم خیلی از خطاهایی که میده رو رفع کنم اگر کسی راه حل مشکل منو میدونه لطفا جواب رو برام ایمیل کنه

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بعد اجرا برنامه همچین خطاهایی میده

Failed to resolve: appcompat-v7 Affected Modules: app
Failed to resolve: support-fragment Affected Modules: app
Failed to resolve: animated-vector-drawable Affected Modules: app
Failed to resolve: support-core-ui Affected Modules: app
Failed to resolve: support-core-utils Affected Modules: app
Failed to resolve: support-vector-drawable Affected Modules: app
Failed to resolve: loader Affected Modules: app
Failed to resolve: viewpager Affected Modules: app
Failed to resolve: coordinatorlayout Affected Modules: app
Failed to resolve: drawerlayout Affected Modules: app
Failed to resolve: slidingpanelayout Affected Modules: app
Failed to resolve: customview Affected Modules: app
Failed to resolve: swiperefreshlayout Affected Modules: app
Failed to resolve: asynclayoutinflater Affected Modules: app
Failed to resolve: support-compat Affected Modules: app
Failed to resolve: versionedparcelable Affected Modules: app
Failed to resolve: collections Affected Modules: app
Failed to resolve: cursoradapter Affected Modules: app
Failed to resolve: runtime Affected Modules: app
Failed to resolve: documentfile Affected Modules: app
Failed to resolve: localbroadcastmanager Affected Modules: app
Failed to resolve: print Affected Modules: app
Failed to resolve: viewmodel Affected Modules: app
Failed to resolve: livedata Affected Modules: app
Failed to resolve: livedata-core Affected Modules: app
Failed to resolve: common Affected Modules: app
Failed to resolve: interpolator Affected Modules: app
Failed to resolve: support-annotations Affected Modules: app