Android GridView九宫格 图片加文字
时间: 2023-06-25 12:08:29 浏览: 83
你可以通过自定义GridView的适配器来实现图片加文字的九宫格效果。下面是一个简单的示例代码:
1. 首先,在布局文件中添加GridView组件:
```
<GridView
android:id="@+id/gridView"
android:numColumns="3"
android:verticalSpacing="10dp"
android:horizontalSpacing="10dp"
android:stretchMode="columnWidth"
android:gravity="center"
android:padding="10dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
```
2. 创建一个自定义的适配器类,其中getView()方法用于为每个GridView项设置布局和内容:
```
public class MyAdapter extends BaseAdapter {
private Context mContext;
private LayoutInflater mInflater;
private ArrayList<Item> mItems;
public MyAdapter(Context context, ArrayList<Item> items) {
mContext = context;
mItems = items;
mInflater = LayoutInflater.from(context);
}
@Override
public int getCount() {
return mItems.size();
}
@Override
public Object getItem(int position) {
return mItems.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.grid_item, parent, false);
}
ImageView imageView = convertView.findViewById(R.id.image);
TextView textView = convertView.findViewById(R.id.text);
Item item = mItems.get(position);
imageView.setImageResource(item.getImageRes());
textView.setText(item.getText());
return convertView;
}
}
```
3. 创建一个Item类来表示每个GridView项的内容,包括图片和文字:
```
public class Item {
private int mImageRes;
private String mText;
public Item(int imageRes, String text) {
mImageRes = imageRes;
mText = text;
}
public int getImageRes() {
return mImageRes;
}
public String getText() {
return mText;
}
}
```
4. 创建grid_item.xml布局文件,用于设置每个GridView项的布局:
```
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="10dp">
<ImageView
android:id="@+id/image"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:scaleType="centerCrop"/>
<TextView
android:id="@+id/text"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="14sp"
android:textColor="#000000"
android:gravity="center"/>
</LinearLayout>
```
5. 最后,在Activity中设置GridView的适配器,将Item添加到ArrayList中:
```
ArrayList<Item> items = new ArrayList<>();
items.add(new Item(R.drawable.image1, "Item 1"));
items.add(new Item(R.drawable.image2, "Item 2"));
items.add(new Item(R.drawable.image3, "Item 3"));
items.add(new Item(R.drawable.image4, "Item 4"));
items.add(new Item(R.drawable.image5, "Item 5"));
items.add(new Item(R.drawable.image6, "Item 6"));
MyAdapter adapter = new MyAdapter(this, items);
GridView gridView = findViewById(R.id.gridView);
gridView.setAdapter(adapter);
```
这样就可以实现一个简单的图片加文字的九宫格效果了。