postgresql - How can I access my localhost from my Android device -


how can access localhost android device using fedora 21 , me android device nexus 5, can explain me step step path of connection. article [postgresql not connecting android using jdbc throwing org.postgresql.util.psqlexception: connection attempt failed

i change file: pg_hba.conf

 # ipv4 local connections:     host                            10.0.2.2                trust

postgresql.conf:

listen_addresses = '*'          # ip address(es) listen on;                                         # comma-separated list of addresses;                                         # defaults 'localhost'; use '*'                                         # (change requires restart) port = 5432                             # (change requires restart) max_connections = 100

but not me....

it's me java - jdbc source:

 @override         protected void doinbackground(void... arg0){              try             {                 log.d("start connection","start connection");                 string url = "jdbc:postgresql://" + "10.0.2.2" + ":" + "5432/keen";                 string user = "keen";                 string pass = "q1w2e3";                 log.d("row 10","row 10");                  class.forname("org.postgresql.driver").newinstance();                 log.d("row 20","row 20");                  connection conn = drivermanager.getconnection(url, user, pass);                 log.d("connection successfully","connection successfully");                  statement stmt = conn.createstatement();                  string sql = "create table test (id bigserial primary key);";                  stmt.executeupdate(sql);                  conn.close();             }             catch (classnotfoundexception e)             {                 log.d("connection fail","connection fail");              }             catch (sqlexception e)             {                  log.d("connection fail","connection fail");              }             catch (exception e)             {                 log.d("connection fail","connection fail");              }             return null;         }     }

it's me logcat output:

04-23 15:52:23.645  15749-15749/com.gorbin.androidsocialnetworksextended.keen i/google maps android api﹕ google play services package version: 7329438 04-23 15:52:23.843  15749-15927/com.gorbin.androidsocialnetworksextended.keen d/start connection﹕ start connection 04-23 15:52:23.844  15749-15927/com.gorbin.androidsocialnetworksextended.keen d/row 10﹕ row 10 04-23 15:52:23.847  15749-15927/com.gorbin.androidsocialnetworksextended.keen d/row 20﹕ row 20 04-23 15:53:19.118  15749-15767/com.gorbin.androidsocialnetworksextended.keen w/system.err﹕ org.postgresql.util.psqlexception: connection 10.0.3.2:5432 refused. check hostname , port correct , postmaster accepting tcp/ip connections. 04-23 15:53:19.134  15749-15767/com.gorbin.androidsocialnetworksextended.keen i/art﹕ system.exit called, status: 0 04-23 15:53:19.134  15749-15767/com.gorbin.androidsocialnetworksextended.keen i/androidruntime﹕ vm exiting result code 0, cleanup skipped.

it show crashing between row 20 connection @ getconnection().

thanks.


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