Android browser unable to open web page -

hello new android , written small app "simple web browser". browser unable open page , it's showing error no network available(web page not available) wifi on , normal browser working on device.

please check code below:: simplebrowser.java

package com.thenewboston.travis;  import android.app.activity; import android.os.bundle; import android.text.editable; import android.view.view; import android.view.view.onclicklistener; import android.webkit.webview; import android.widget.button; import android.widget.edittext;  public class simplebrowser extends activity implements onclicklistener{      button bgo,bback,bforward,bhistory,brefresh;     edittext et;     webview wb;     @override     protected void oncreate(bundle savedinstancestate) {         // todo auto-generated method stub         super.oncreate(savedinstancestate);         setcontentview(r.layout.simplebrowser);          bgo = (button)findviewbyid(r.id.go);         bback = (button)findviewbyid(r.id.bback);         bforward = (button)findviewbyid(r.id.bforward);         bhistory = (button)findviewbyid(r.id.bhistory);         brefresh = (button)findviewbyid(r.id.brefresh);         et = (edittext)findviewbyid(r.id.editaddress);         wb = (webview)findviewbyid(r.id.webview);         wb.setwebviewclient(new ourviewclient());          bgo.setonclicklistener(this);         bback.setonclicklistener(this);         bforward.setonclicklistener(this);         bhistory.setonclicklistener(this);         brefresh.setonclicklistener(this);          //wb.loadurl("http://www.gmail.com");          }     @override     public void onclick(view arg0) {         // todo auto-generated method stub         switch(arg0.getid())         {         case r.id.go:             string website = et.gettext().tostring();             wb.loadurl(website);                         break;         case r.id.bback:             if(wb.cangoback())             wb.goback();              break;         case r.id.bforward:             if(wb.cangoforward())             wb.goforward();             break;         case r.id.bhistory:             wb.clearhistory();              break;         case r.id.brefresh:             wb.reload();              break;          }      }    } 

ourviewclient.java

package com.thenewboston.travis;  import android.webkit.webview; import android.webkit.webviewclient;  public class ourviewclient extends webviewclient {      @override     public boolean shouldoverrideurlloading(webview view, string url) {         // todo auto-generated method stub         view.loadurl(url);         return true;     }    } 

and .... manifest.xml

<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.thenewboston.travis"     android:versioncode="1"     android:versionname="1.0" >      <uses-sdk     android:minsdkversion="10"     android:targetsdkversion="17" />     <uses-permission android:name="android.permission.set_wallpaper"/>     <uses-permission android:name="android.permission.wake_lock"/>     <uses-permission android:name="android.permission.internet"/>      <application     android:allowbackup="true"     android:icon="@drawable/ic_launcher"     android:label="kcraju"     android:theme="@style/apptheme">     <activity         android:name="com.thenewboston.travis.splash"         android:label="kcraju"         android:screenorientation="portrait" >         <intent-filter>         <action android:name="android.intent.action.main" />         <category android:name="android.intent.category.launcher" />         </intent-filter>     </activity>     <activity         android:name=".startingpoint"         android:label="kcraju" >         <intent-filter>         <action android:name="com.thenewboston.travis.startingpoint" />         <category android:name="android.intent.category.default" />         </intent-filter>     </activity>     <activity         android:name=".menu"         android:label="kcraju" >         <intent-filter>         <action android:name="com.thenewboston.travis.menu" />         <category android:name="android.intent.category.default" />         </intent-filter>     </activity>      <activity         android:name=".prefs"         android:label="kcraju" >         <intent-filter>         <action android:name="com.thenewboston.travis.prefs" />         <category android:name="android.intent.category.default" />         </intent-filter>     </activity>     <activity         android:name=".about"         android:label="kcraju"         android:theme="@android:style/theme.dialog" >         <intent-filter>         <action android:name="com.thenewboston.travis.about" />         <category android:name="android.intent.category.default" />          </intent-filter>     </activity>         <activity android:name=".textplay" android:label="@string/app_name" >     </activity>         <activity android:name=".email" android:label="@string/app_name" >     </activity>          <activity android:name=".camera" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>      <activity android:name=".data" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".gfx" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".gfxsurface" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".soundstuff" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".slider" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".memory" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".openedclass" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".tabs" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     <activity android:name=".simplebrowser" android:label="@string/app_name" android:screenorientation="portrait" >     </activity>     </application>  </manifest> 

we need provide url https suffix loadurl