GridView+SimpleAdapter

版权声明： https://blog.csdn.net/lyw_321/article/details/79726884

layout-activity_main:

    <GridView
        android:id="@+id/my_gv"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:numColumns="3">3列

    </GridView>

layout-grid_item:

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:gravity="center"
    android:orientation="vertical">gravity:center 居中

    <ImageView
        android:layout_width="50dp"
        android:layout_height="50dp"
        android:src="@mipmap/ic_launcher"/>

    <TextView
        android:id="@+id/menu"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="菜单"/>

</LinearLayout>

MainActivity:

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        GridView gridView=(GridView)findViewById(R.id.my_gv);

        List<Map<String,String>> datalist=new ArrayList<>();

        for(int i=0;i<12;i++){
            Map<String,String>map =new HashMap<>();
            map.put("menu_name","菜单"+i);
            datalist.add(map);
        }
        String from[]={"menu_name"};
        int to[]={R.id.menu};

        SimpleAdapter simpleAdapter=new SimpleAdapter(this,datalist,R.layout.grid_item,
                from,to);

        gridView.setAdapter(simpleAdapter);
    }
}