android - How do I add user details on Navigation Drawer from database -

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drawerlayout drawer = (drawerlayout) findviewbyid(r.id.drawer_layout); actionbardrawertoggle toggle = new actionbardrawertoggle(         this, drawer, toolbar, r.string.navigation_drawer_open, r.string.navigation_drawer_close); drawer.setdrawerlistener(toggle); toggle.syncstate();  navigationview navigationview = (navigationview) findviewbyid(r.id.nav_view); navigationview.setnavigationitemselectedlistener(this); view header=navigationview.getheaderview(0);  hashmap<string,string>user=db.getuserdetails(); string user_name=user.get("name"); string user_email=user.get("email");  textview _name=(textview)header.findviewbyid(r.id.sname); textview _email=(textview)header.findviewbyid(r.id.semail); _name.settext(user_name); _email.settext(user_email);





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