• android 最简单的九宫格实现


    public class GridViewFunction extends Activity {
    private GridView _gridview;
    private List<Map<String ,Object>> list;
    _gridview=(GridView) findViewById(R.id.gridView1); 
    list=new ArrayList<Map<String,Object>>(); 
      for (int i = 0; i < 9; i++) { 
        Map<String,Object> map=new HashMap<String, Object>(); 
        map.put("img",R.drawable.icon); 
       map.put("text",i+"item"); 
            list.add(map);  
     } 
       SimpleAdapter simple=new SimpleAdapter(getApplicationContext(), list, R.layout.gridview_item,new String[] {"img","text"},new int[]{R.id.log_item_image,R.id.log_item_text}); _gridview.setAdapter(new GridViewAdapter(this));
    }

     R.layout.gridview_item 文件里面放2个。一个图片和一个文字:
    主文件直接放GIRDVIEW控件。   
      <GridView    android:id="@+id/gridView1"
           android:layout_width="fill_parent"
          android:numColumns="auto_fit"
           android:stretchMode="columnWidth" 
           android:columnWidth="90dp"
        android:gravity="center"
                android:layout_height="fill_parent">
             </GridView>

    这样就完成了。


    当然,如果简单一点的话直接适配比较好!
    代码以下:

    class GridViewAdapter extends BaseAdapter{
    private Context ct;
    public GridViewAdapter(Context ct){
    this.ct=ct;
    }

    private int [] img={R.drawable.imagebutton1,R.drawable.imagebutton2,R.drawable.imagebutton3,
    R.drawable.imagebutton4,R.drawable.imagebutton5,R.drawable.imagebutton6,R.drawable.imagebutton7,R.drawable.imagebutton8,R.drawable.imagebutton9};
    private String [] text= {
    "A","B","C","D"
    ,"E","F","G","H"
    ,"I"
    };
    @Override
    public int getCount() {
    // TODO Auto-generated method stub
    return text.length;
    }

    @Override
    public Object getItem(int position) {
    // TODO Auto-generated method stub
    return position;
    }

    @Override
    public long getItemId(int position) {
    // TODO Auto-generated method stub
    return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
    WrapperImgText wrapper;
    if(convertView==null){
    wrapper=new WrapperImgText();
    LayoutInflater layout=LayoutInflater.from(ct);
    convertView=layout.inflate(R.layout.gridview_item,null);
    convertView.setTag(wrapper);
    convertView.setPadding(15, 15, 15, 15);
    }else{
    wrapper=(WrapperImgText) convertView.getTag();
    }
    wrapper.image=(ImageView) convertView.findViewById(R.id.log_item_image);
    wrapper.tv=(TextView) convertView.findViewById(R.id.log_item_text);
    wrapper.image.setBackgroundResource(img[position]);
    wrapper.tv.setText(text[position]);
    return convertView;
    }
    class WrapperImgText{
    ImageView image;
    TextView tv;
    }
    }

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  • 原文地址:https://www.cnblogs.com/new0801/p/6175947.html
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