android - how to add dot indicator and circular way transition in image slider using ViewPager -

here make simple slider want know how apply simple dot indicator in code .and thing want apply how apply circular transition in image slider ..

here code:

imageslider.java

       import android.support.v7.app.appcompatactivity;        import android.os.bundle;        import android.app.activity;        import android.support.v4.view.pageradapter;        import android.support.v4.view.viewpager;        import android.view.menu;        import android.view.view;        import android.widget.adapterview;         public class imageslider extends activity {       viewpager viewpager;          @override         protected void oncreate(bundle savedinstancestate) {         super.oncreate(savedinstancestate);         setcontentview(r.layout.activity_imageslider);         viewpager = (viewpager) findviewbyid(r.id.viewpager);          pageradapter adapter = new sliderimage(imageslider.this);           viewpager.setadapter(adapter);       }     @override     public boolean oncreateoptionsmenu(menu menu) {         // inflate menu; adds items action bar if present.         getmenuinflater().inflate(r.menu.menu, menu);         return true;     }     } 

sliderimage.java

     import android.app.activity;      import android.content.context;      import android.support.v4.view.pageradapter;      import android.support.v4.view.viewpager;      import android.view.layoutinflater;      import android.view.view;      import android.view.viewgroup;      import android.widget.imageview;      import android.widget.linearlayout;      import android.widget.textview; /**  * created administrator on 27/05/2016.  */            public class sliderimage extends pageradapter{          context context;        int[] imageid = {r.drawable.img1, r.drawable.img2, r.drawable.img3, r.drawable.img4, r.drawable.img5};          public sliderimage(context context){         this.context = context;        }          @override        public object instantiateitem(viewgroup container, int position) {         // todo auto-generated method stub          layoutinflater inflater = ((activity)context).getlayoutinflater();          view viewitem = inflater.inflate(r.layout.image_item, container, false);         imageview imageview = (imageview) viewitem.findviewbyid(r.id.imageview);         imageview.setimageresource(imageid[position]);         //textview textview1 = (textview) viewitem.findviewbyid(r.id.textview1);         //textview1.settext("hi");         ((viewpager)container).addview(viewitem);          return viewitem;       }        @override      public int getcount() {          // todo auto-generated method stub         return imageid.length;      }        @override       public boolean isviewfromobject(view view, object object) {         // todo auto-generated method stub          return view == ((view)object);       }       @override     public void destroyitem(viewgroup container, int position, object object) {         // todo auto-generated method stub         ((viewpager) container).removeview((view) object);     }        }  **activity_imageslider.xml**           <?xml version="1.0" encoding="utf-8"?>          <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"          android:layout_width="fill_parent"           android:layout_height="fill_parent"           android:orientation="vertical" >            <android.support.v4.view.viewpager            android:id="@+id/viewpager"             android:layout_width="match_parent"             android:layout_height="200dp"           />           </linearlayout>      **image_item.xml**           <?xml version="1.0" encoding="utf-8"?>           <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"           android:layout_width="match_parent"            android:layout_height="match_parent"            android:orientation="vertical"            >          <imageview         android:id="@+id/imageview"         android:layout_width="match_parent"         android:layout_height="300dp"          />         </linearlayout>      

give me brief code details :