出現錯誤：
ERROR: Failed to resolve: com.android.support:appcompat-v7:26.+
解決方案：http://tieba.baidu.com/p/5408426130#114855162930l
出現錯誤：
ERROR: Failed to resolve: com.android.support:appcompat-v7:26.+
解決方案：http://tieba.baidu.com/p/5408426130#114855162930l
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