Android GridView九宫图
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![]() | 属性名称描述 Android:columnWidth设置列的宽度。 Android:gravity设置此组件中的内容在组件中的位置。可选的值有:top、bottom、left、right、center_vertical、fill_vertical、center_horizontal、fill_horizontal、center、fill、clip_vertical可以多选,用“|”分开。 Android:horizontalSpacing两列之间的间距。 Android:numColumns设置列数。 Android[/img] ![]() =============================================================================== 案例二:同样的效果: 布局文件使用上面一样的: 定义一个ImageAdapter类,此类继承BaseAdapter如下: 01 package com.test; 02 03 import Android.content.Context; 04 import Android.view.View; 05 import Android.view.ViewGroup; 06 import Android.widget.BaseAdapter; 07 import Android.widget.GridView; 08 import Android.widget.ImageView; 09 10 public class GridViewAdapter extends BaseAdapter { 11 12 //定义Context 13 private Context mContext; 14 15 //定义整形数组 (图片资源) 16 private int [] mimages= 17 { 18 R.drawable.Android,R.drawable.blackberry,R.drawable.windowshone, 19 R.drawable.windowshone,R.drawable.blackberry,R.drawable.Android, 20 R.drawable.windowshone,R.drawable.ios,R.drawable.blackberry 21 22 }; 23 24 public GridViewAdapter(Context c) 25 { 26 mContext=c; 27 } 28 29 //获取图片的个数 30 @Override 31 public int getCount() { 32 // TODO Auto-generated method stub 33 return mimages.length; 34 } 35 // 获取图片在库中的位置www.atcpu.com 36 @Override 37 public Object getItem(int position) { 38 // TODO Auto-generated method stub 39 return position; 40 } 41 42 //获取图片ID 43 @Override 44 public long getItemId(int position) { 45 // TODO Auto-generated method stub 46 return position; 47 } 48 49 @Override 50 public View getView(int position, View convertView, ViewGroup parent) 51 { 52 ImageView mimageView; 53 if(convertView==null) 54 { 55 //给Imageview设置资源 56 mimageView = new ImageView(mContext); 57 //设置布局图片120*120显示 58 59 mimageView.setLayoutParams(new GridView.LayoutParams(85, 85)); 60 61 mimageView.setScaleType(ImageView.ScaleType.CENTER_CROP); 62 63 mimageView.setPadding(8, 8, 8, 8); 64 }else 65 { 66 mimageView=(ImageView) convertView; 67 } 68 mimageView.setImageResource(mimages[position]); 69 return mimageView; 70 } 71 } 01 package com.test; 02 import java.util.ArrayList; 03 import java.util.HashMap; 04 import Android.app.Activity; 05 import Android.os.Bundle; 06 import Android.view.View; 07 import Android.widget.AdapterView; 08 import Android.widget.AdapterView.OnItemClickListener; 09 import Android.widget.GridView; 10 import Android.widget.SimpleAdapter; 11 import Android.widget.Toast; 12 public class GridViewDemo_2 extends Activity { 13 private GridView gridView; 14 @Override 15 protected void onCreate(Bundle savedInstanceState) { 16 // TODO Auto-generated method stub 17 super.onCreate(savedInstanceState); 18 setContentView(R.layout.gridview_main); 19 20 gridView = (GridView)findViewById(R.id.gridview_main); 21 22 gridView.setAdapter(new GridViewAdapter(this));//调用GridViewAdapter 23 24 gridView.setOnItemClickListener(clickListener); 25 } 26 27 private OnItemClickListener clickListener =new OnItemClickListener() { 28 29 @Override 30 public void onItemClick(AdapterView<?> arg0, View arg1, int position, 31 long id) { 32 Toast.makeText(GridViewDemo_2.this, ""+position,Toast.LENGTH_SHORT).show();//显示信息; 33 34 } 35 }; 36 } 效果: ![]() 作者:amigos_pop | |
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