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GrideView 网格控件

2024-11-26 16:07:39   203人阅读

1,xml布局

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" >
    <GridView
        android:id="@+id/gv"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:numColumns="3">       
    </GridView>
</LinearLayout>

2,加载布局  xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >
    <ImageView
        android:id="@+id/iv_icon"
        android:layout_marginTop="10dip"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="http://www.mamicode.com/@drawable/addinaccount"/>
    <TextView
        android:id="@+id/tv_newIncom"
        android:layout_width="wrap_content"
        android:textSize="20dip"
        android:layout_below="@+id/iv_icon"
        android:layout_height="wrap_content"
        android:text="@string/newIncom"/>
</RelativeLayout>

3,activity代码

publicclass MainActivity extends Activity {

 

    private GridView gv;

    privateint[] imgs=newint[]{

           R.drawable.addinaccount,

           R.drawable.addoutaccount,

           R.drawable.inaccountinfo,

           R.drawable.outaccountinfo,

           R.drawable.accountflag,

           R.drawable.showinfo,

           R.drawable.appicon,

           R.drawable.manger,

           R.drawable.exit 

           };

   

    private String[] desc=new String[]{

           "个人收入","个人支出","收入信息","支出信息","数据管理","系统设置","收支便签","家庭成员","应用退出"

          

    };

 

      @Override

    protectedvoid onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        //1,找到控件

       

        gv = (GridView) findViewById(R.id.gv);

       

        //2,自定义适配器

        MyAdapter adapter=new MyAdapter();

        //3,加载

        gv.setAdapter(adapter);

       

    }

privateclass MyAdapter extends BaseAdapter{

 

      @Override

      publicint getCount() {

           // TODO Auto-generated method stub

           returnimgs.length;

      }

 

      @Override

      public Object getItem(int position) {

           // TODO Auto-generated method stub

           returnnull;

      }

 

      @Override

      publiclong getItemId(int position) {

           // TODO Auto-generated method stub

           return 0;

      }

 

      @Override

      public View getView(int position, View convertView, ViewGroupparent) {

         

           //1,找到布局

            View view=View.inflate(getApplicationContext(),R.layout.gv_item, null);

           //2,找到布局要操作的控件

           ImageView iv= (ImageView)view.findViewById(R.id.iv_icon);

           TextView tv=(TextView)view.findViewById(R.id.tv_desc);

           //3,加载数据

           iv.setImageResource(imgs[position]);

           tv.setText(desc[position]);

           return view;

      }

}

}


本文出自 “InProvence” 博客，谢绝转载！

GrideView 网格控件


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