GridView+SimpleAdapter
2018-03-28 14:17
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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);
}
}
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);
}
}
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