Android中GridView來顯示圖片

public class MainActivity extends Activity {private GridView gridView;private int res[] = new int[] {R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03,R.drawable.an01,R.drawable.an02, R.drawable.an03, R.drawable.an01, R.drawable.an02,R.drawable.an03 };@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);gridView = (GridView) findViewById(R.id.gridView1); List<Map<String, Object>> data = new ArrayList<Map<String,Object>>();  for(int i=0;i<res.length;i++){ Map<String,Object> map = new HashMap<String, Object>();    map.put("imageView",res[i]);        data.add(map); } SimpleAdapter simpleAdapter = new SimpleAdapter(this, data,R.layout.activity_cell , new String[]{"imageView"}, new int[]{R.id.imageView1});gridView.setAdapter(simpleAdapter);//思考題 在Gridview中 SimpleAdpater  圖片添加事件gridView.setOnItemClickListener(new AdapterView.OnItemClickListener() {@Overridepublic void onItemClick(AdapterView<?> parent, View view,int position, long id) {//可以顯示圖片大圖Toast.makeText(getApplicationContext(), "xxxx"+res[position], Toast.LENGTH_LONG).show();}});}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}}

 

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"    xmlns:tools="http://schemas.android.com/tools"    android:layout_width="match_parent"    android:layout_height="match_parent"    android:paddingBottom="@dimen/activity_vertical_margin"    android:paddingLeft="@dimen/activity_horizontal_margin"    android:paddingRight="@dimen/activity_horizontal_margin"    android:paddingTop="@dimen/activity_vertical_margin"    tools:context=".MainActivity" >    <GridView        android:id="@+id/gridView1"        android:layout_width="match_parent"        android:layout_height="wrap_content"        android:layout_alignParentLeft="true"        android:layout_alignParentTop="true"        android:numColumns="5" >    </GridView></RelativeLayout>