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Android 九宫格的实现方法
来源: 互联网 发布时间:2014-10-15
本文导语: 1、xml代码: 代码如下: 其中android:numColumns="3" 代表九宫格的列数 auto_fit时为自动 2、实现代码 代码如下:public class MainActivity extends Activity { /** Called when the activity is first created. */ @Override protect...
1、xml代码:
代码如下:
其中android:numColumns="3" 代表九宫格的列数 auto_fit时为自动
2、实现代码
代码如下:
public class MainActivity extends Activity {
/** Called when the activity is first created. */
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
// 设置屏幕没有标题
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
// 去掉标题栏
this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.activity_main);
GridView gridview = (GridView) findViewById(R.id.gridview);
// 创建一个数组列表对象
ArrayList lstImageItem = new ArrayList();
/**
* 为每个格子添加内容
*/
for (int i = 1; i < 10; i++) {
HashMap map = new HashMap();// 建立hashmap对象
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);
}
/**
* 为GridView建立SimpleAdapter适配器
*/
// SimpleAdapter()中的五个参数分别是:第一个context,第二个数据资源,第三个每一个子项的布局文件,第四个每一个子项中的Key数组
// 第五个每一个子项中的Value数组
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);// 添加适配器
gridview.setOnItemClickListener(new ItemClickListener());// 为每一个子项设置监听
}
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 item = (HashMap) arg0
.getItemAtPosition(arg2);
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview1))) {
Toast.makeText(MainActivity.this, R.string.gridview1,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview2))) {
Toast.makeText(MainActivity.this, R.string.gridview2,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview3))) {
Toast.makeText(MainActivity.this, R.string.gridview3,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview4))) {
Toast.makeText(MainActivity.this, R.string.gridview4,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview5))) {
Toast.makeText(MainActivity.this, R.string.gridview5,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview6))) {
Toast.makeText(MainActivity.this, R.string.gridview6,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview7))) {
Toast.makeText(MainActivity.this, R.string.gridview7,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview8))) {
Toast.makeText(MainActivity.this, R.string.gridview8,
Toast.LENGTH_LONG).show();
}
if (item.get("ItemText").equals(
getResources().getString(R.string.gridview9))) {
Toast.makeText(MainActivity.this, R.string.gridview9,
Toast.LENGTH_LONG).show();
}
}
}
}
3、实现效果如图所示