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今天在devdiv論壇里看到有壇友問到九宮格的實現，我把我在項目中用的經驗分享一下。

代碼地址：http://download.csdn.net/detail/xyz_lmn/5151879

xml代碼： <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res/com.google.android.gx5weather" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:layout_weight="1.0" android:background="@drawable/bg" > <ImageView android:id="@+id/ImageView01" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="center_vertical" android:background="@drawable/top"></ImageView>?? <GridView xmlns:android="http://schemas.android.com/apk/res/android"??? ??? android:id="@+id/gridview"? ??? android:layout_width="wrap_content"??? ??? android:layout_height="wrap_content"? ??? android:numColumns="3"? ??? android:verticalSpacing="30dip"? ??? android:horizontalSpacing="10dip"? ??? android:columnWidth="90dip"? //列寬 ??? android:stretchMode="columnWidth"? ??? android:gravity="center" ??? android:listSelector="@drawable/grid_selector_background" > </GridView> </LinearLayout>
android:numColumns="3" //九宮格的列數? auto_fit時為自動 android:listSelector="@drawable/grid_selector_background"?? //九宮格的背景，可以找個圓角正方形

public class NineBox extends Activity {

??? /** Called when the activity is first created. */

??? @Override

??? protected void onCreate(Bundle savedInstanceState) {

// TODO Auto-generated method stub

super.onCreate(savedInstanceState);

this.requestWindowFeature(Window.FEATURE_NO_TITLE);

??????? this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,?

??????????????? WindowManager.LayoutParams.FLAG_FULLSCREEN);

?????

??????? setContentView(R.layout.main_activity);

??????? GridView gridview=(GridView)findViewById(R.id.gridview);

??????? ArrayList<HashMap<String, Object>> lstImageItem = new ArrayList<HashMap<String, Object>>();??

??????? for(int i=1;i<10;i++)??

??????? {??

????????? HashMap<String, Object> map = new HashMap<String, Object>();

????????? if(i==1){

??????????????? map.put("ItemImage", R.drawable.g11);

??????????????? map.put("ItemText", getResources().getString(R.string.gridview1));

????????? }

????????? if(i==2){?

????????????? map.put("ItemImage", R.drawable.g12);

????????????? map.put("ItemText", getResources().getString(R.string.gridview2));

??????? }

????????? if(i==3){?

????????????? map.put("ItemImage", R.drawable.g13);

????????????? map.put("ItemText", getResources().getString(R.string.gridview3));

??????? }

????????? if(i==4){?

????????????? map.put("ItemImage", R.drawable.g14);

????????????? map.put("ItemText", getResources().getString(R.string.gridview4));??

??????? }

????????? if(i==5){?

????????????? map.put("ItemImage", R.drawable.g15);

????????????? map.put("ItemText", getResources().getString(R.string.gridview5));

??????? }

????????? if(i==6){?

????????????? map.put("ItemImage", R.drawable.g16);

????????????? map.put("ItemText", getResources().getString(R.string.gridview6));

??????? }

????????? if(i==7){?

????????????? map.put("ItemImage", R.drawable.g17);

????????????? map.put("ItemText", getResources().getString(R.string.gridview7));

??????? }

????????? if(i==8){?

????????????? map.put("ItemImage", R.drawable.g18);

????????????? map.put("ItemText", getResources().getString(R.string.gridview8));

??????? }

????????? if(i==9){?

????????????? map.put("ItemImage", R.drawable.g19);

????????????? map.put("ItemText", getResources().getString(R.string.gridview9));

??????? }

????????? lstImageItem.add(map);

?????????

??????? }??

?

??????? SimpleAdapter saImageItems = new SimpleAdapter(this,

????????????????????????????????????????????????? lstImageItem,

????????????????????????????????????????????????? R.layout.grid_item,?????

????????????????????????????????????????????????? new String[] {"ItemImage","ItemText"},???

????????????????????????????????????????????????? new int[] {R.id.ItemImage,R.id.ItemText});??

?

??????? gridview.setAdapter(saImageItems);??

??????? gridview.setOnItemClickListener(new ItemClickListener());??

??? }??

??????

?

class? ItemClickListener implements OnItemClickListener??

??? {??

?

?????? @SuppressWarnings("unchecked")

public void onItemClick(AdapterView<?> arg0,//The AdapterView where the click happened???

????????????????????????????????????? View arg1,//The view within the AdapterView that was clicked??

????????????????????????????????????? int arg2,//The position of the view in the adapter??

????????????????????????????????????? long arg3//The row id of the item that was clicked??

??????????????????????????????????? ) {??

?????

????? HashMap<String, Object> item=(HashMap<String, Object>) arg0.getItemAtPosition(arg2);??

???

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview1))){

??? ? Toast.makeText(NineBox.this, R.string.gridview1, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview2))){

??? ? Toast.makeText(NineBox.this, R.string.gridview2, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview3))){

??? ? Toast.makeText(NineBox.this, R.string.gridview3, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview4))){

??? ? Toast.makeText(NineBox.this, R.string.gridview4, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview5))){

??? ? Toast.makeText(NineBox.this, R.string.gridview5, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview6))){

??? ? Toast.makeText(NineBox.this, R.string.gridview6, Toast.LENGTH_LONG).show();

????? }

?

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview7))){

??? ? Toast.makeText(NineBox.this, R.string.gridview7, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview8))){

??? ? Toast.makeText(NineBox.this, R.string.gridview8, Toast.LENGTH_LONG).show();

????? }

????? if(item.get("ItemText").equals(getResources().getString(R.string.gridview9))){

??? ? Toast.makeText(NineBox.this, R.string.gridview9, Toast.LENGTH_LONG).show();

????? }

???? }??

??? }

}

?

/**
* @author xyz_lmn
* 郵箱：xy-zhang@163.com
*
*/

轉載于:https://my.oschina.net/201003674/blog/288951

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