GridView的使用

public class MainActivity extends Activity {
    private GridView gridView;
    private int[] images = {R.drawable.img_item0,R.drawable.img_item1
            ,R.drawable.img_item2,R.drawable.img_item3,R.drawable.img_item4,
            R.drawable.img_item5,R.drawable.img_item6,R.drawable.img_item7,
            R.drawable.img_item8};
    private String[] desc = {"该减肥了","该运动运动了","","","","","","",""};
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.gridview);
        gridView = (GridView) findViewById(R.id.gv);
        MyAdapter adapter = new MyAdapter(images,desc);
        gridView.setAdapter(adapter);
        gridView.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view,
                    int position, long id) {
                Animation anim = new TranslateAnimation(-2, 2, 0, 0,Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);
                anim.setDuration(1000);
                anim.setRepeatCount(3);
                anim.setRepeatMode(Animation.REVERSE);
                ImageView image = (ImageView) view.findViewById(R.id.image);
                image.setAnimation(anim);
                anim.start();
            }
        });
    }
    class MyAdapter extends BaseAdapter{
        int[] imgItemRes;
        String[] imgItemDesc;
        public MyAdapter(int[] imgItemRes,String[] imgItemDesc){
            this.imgItemRes = imgItemRes;
            this.imgItemDesc = imgItemDesc;
        }
        @Override
        public int getCount() {
            return imgItemRes.length;
        }
        @Override
        public Object getItem(int position) {
            return null;
        }
        @Override
        public long getItemId(int position) {
            return position;
        }
        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            if(convertView==null){
                LayoutInflater inflater = getLayoutInflater();
                convertView = inflater.inflate(R.layout.gridviewitem, null);
            }
            ImageView image = (ImageView) convertView.findViewById(R.id.image);
            TextView text = (TextView) convertView.findViewById(R.id.text);
            image.setImageResource(imgItemRes[position]);
            text.setText(imgItemDesc[position]);
            return convertView;
        }
    }
}

gridview.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" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <GridView 
        android:id="@+id/gv"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:columnWidth="60dp"
        android:numColumns="3"
        android:verticalSpacing="10dp"
        android:horizontalSpacing="15dp"
        android:stretchMode="columnWidth"
        android:gravity="center"
        />
</LinearLayout>

gridviewitem.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:gravity="center_horizontal"
     >
    <ImageView
        android:id="@+id/image"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        />
    <TextView
        android:id="@+id/text"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        />
</LinearLayout>