java - Gridview not scrolling: Android - 


<?xml version="1.0" encoding="utf-8"?>  <linearlayout xmlns:android="http://schemas.android.com/apk/res/android"      android:orientation="vertical"      android:layout_width="fill_parent"      android:layout_height="fill_parent">      <textview          android:layout_width="fill_parent"          android:layout_height="wrap_content"          android:id="@+id/textviewselectalbum"          android:layout_margintop="16dp"         android:textsize="16dp"         android:textcolor="@color/link_text_material_dark"          android:text="select album"          />      <spinner android:id="@+id/spinnerselectalbum"          android:layout_width="wrap_content"         android:background="@color/link_text_material_dark"         android:layout_margintop="12dp"          android:popupbackground="@color/material_blue_grey_900"         android:layout_height="wrap_content"         android:padding="10dp"         android:enabled="false"          />      <textview          android:layout_width="wrap_content"          android:layout_height="wrap_content"          android:id="@+id/textviewalbumdescription"         android:layout_margintop="16dp"         android:textsize="14dp"         android:textcolor="@color/link_text_material_dark"          />      <gridview         android:layout_width="fill_parent"         android:layout_height="100dp"         android:columnwidth="80dp"         android:numcolumns="auto_fit"         android:verticalspacing="4dp"         android:horizontalspacing="4dp"         android:stretchmode="columnwidth"         android:gravity="center"         android:id="@+id/grid">    </gridview> </linearlayout>

this layout using show grid of images downloaded facebook gridview displaying limited contents , not able scroll gridview. please me if missing something.

below getview method 

public view getview(int position, view convertview, viewgroup parent) {      if (convertview == null) {         imageview = new imageview(context);         imageview.setlayoutparams(new gridview.layoutparams(75, 75));         imageview.setscaletype(imageview.scaletype.fit_xy);     } else {         imageview = (imageview) convertview;     }      string pictureurl = photoitems.get(position).getpictureurl();     new downloadtask(imageview).execute(pictureurl);      return imageview; }  private class downloadtask extends asynctask<string,string,bitmap> {      private final weakreference<imageview> imageviewreference;      public downloadtask(imageview imageview) {         imageviewreference = new weakreference<imageview>(imageview);     }      @override     protected bitmap doinbackground(string... params) {         try {             string imageurl = params[0];             log.i("test","imageurl" + imageurl);             bitmap bitmap = imagecache.get(imageurl);             if (bitmap != null)                 return bitmap;             bitmap = httpfetch.fetchbitmap(imageurl);             log.i("test", "bitmap " + bitmap);             imagecache.set(imageurl, bitmap);              return bitmap;         }catch (exception e) {             return null;         }     }      @override     protected void onpostexecute(bitmap bitmap) {         super.onpostexecute(bitmap);          if(imageviewreference != null) {             imageview imageview = imageviewreference.get();             if (imageview != null) {                 imageview.setimagebitmap(bitmap);             }         }      } }


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