Android UI开发第一篇——android的九宫格式实现

今天在devdiv论坛里看到有坛友问到九宫格的实现，我把我在项目中用的经验分享一下。

代码地址：http://download.csdn.net/detail/xyz_lmn/5151879

xml代码：

<?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"  //列宽

    android:stretchMode="columnWidth" 

    android:gravity="center"

    android:listSelector="@drawable/grid_selector_background"

>

</GridView>

</LinearLayout>

android:numColumns="3" //九宫格的列数  auto_fit时为自动

android:listSelector="@drawable/grid_selector_background"   //九宫格的背景，可以找个圆角正方形

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
* 邮箱：xy-zhang@163.com
*
*/