As i am working behind firewall in my office ,I have added the proxy in the system table of my database,
1) adb shell
2) cd /data/data/com.android.providers.settings/databases
3) sqlite3 settings.db
4) INSERT INTO system VALUES(99,'http_proxy','<proxy_server>:<port>');
previously my browser was not working after this its working but maps application is not working in either case.
can someone help me in this it will be great.