org.apache.http.conn.HttpHostConnectException: Connection to http://127.0.0.1(XXX) refused
org.apache.http.conn.HttpHostConnectException: Connection to http://127.0.0.1 refused
大意是連線127.0.0.1被拒絕了。把地址換成了localhost也不行，讓我真是一團霧水，找了些資料才搞明白，原來啟動的android模擬器吧自己也當成127.0.0.1和localhost
解決辦法：用本機的內網地址，如XXX這樣的就可以正常除錯了
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