android listview的多列模版实例代码

android listview多列模版

在listview中，可以做出多列模版的效果，关键还是在listview的模版本，比如如下：

<LinearLayout    android:id="@+id/relativeLayout1"    android:layout_height="fill_parent"    android:layout_width="fill_parent"   xmlns:android="http://schemas.android.com/apk/res/android">    <TextView     android:id="@+id/FirstText"     android:layout_width="0dp"     android:layout_height="wrap_content"     android:text="First"     android:layout_weight="1">   </TextView>      <TextView     android:id="@+id/SecondText"     android:layout_width="0dp"     android:layout_height="wrap_content"     android:text="Second"     android:layout_weight="2">   </TextView>      <TextView     android:id="@+id/ThirdText"     android:layout_width="0dp"     android:layout_height="wrap_content"     android:text="Third"     android:layout_weight="1">   </TextView>      <TextView     android:id="@+id/FourthText"     android:layout_width="0dp"     android:layout_height="wrap_content"     android:text="Fourth"     android:layout_weight="1">   </TextView> </LinearLayout> 

listviewadapter.java:

public class listviewAdapter extends BaseAdapter {   public ArrayList<HashMap<String,String>> list;   Activity activity;      public listviewAdapter(Activity activity, ArrayList<HashMap<String,String>> list) {     super();     this.activity = activity;     this.list = list;   }       public int getCount() {     // TODO Auto-generated method stub     return list.size();   }       public Object getItem(int position) {     // TODO Auto-generated method stub     return list.get(position);   }     public long getItemId(int position) {     // TODO Auto-generated method stub     return 0;   }    private class ViewHolder {       TextView txtFirst;       TextView txtSecond;       TextView txtThird;       TextView txtFourth;    }         public View getView(int position, View convertView, ViewGroup parent) {     // TODO Auto-generated method stub          // TODO Auto-generated method stub         ViewHolder holder;         LayoutInflater inflater = activity.getLayoutInflater();          if (convertView == null)         {           convertView = inflater.inflate(R.layout.listview_row, null);           holder = new ViewHolder();           holder.txtFirst = (TextView) convertView.findViewById(R.id.FirstText);           holder.txtSecond = (TextView) convertView.findViewById(R.id.SecondText);           holder.txtThird = (TextView) convertView.findViewById(R.id.ThirdText);           holder.txtFourth = (TextView) convertView.findViewById(R.id.FourthText);           convertView.setTag(holder);         }         else         {           holder = (ViewHolder) convertView.getTag();         }          HashMap<String, String> map = list.get(position);         holder.txtFirst.setText(map.get(FIRST_COLUMN));         holder.txtSecond.setText(map.get(SECOND_COLUMN));         holder.txtThird.setText(map.get(THIRD_COLUMN));         holder.txtFourth.setText(map.get(FOURTH_COLUMN));        return convertView;   } 

主程序：

public class MultiColumnActivity extends Activity  {   private ArrayList<HashMap<String,String>> list;      public void onCreate(Bundle savedInstanceState)    {     super.onCreate(savedInstanceState);     setContentView(R.layout.main);      ListView lview = (ListView) findViewById(R.id.listview);     populateList();     listviewAdapter adapter = new listviewAdapter(this, list);     lview.setAdapter(adapter);   }      private void populateList() {          list = new ArrayList<HashMap<String,String>>();          HashMap<String,String> temp = new HashMap<String,String>();       temp.put(FIRST_COLUMN,"Colored Notebooks");       temp.put(SECOND_COLUMN, "By NavNeet");       temp.put(THIRD_COLUMN, "Rs. 200");       temp.put(FOURTH_COLUMN, "Per Unit");     list.add(temp);          HashMap<String,String> temp1 = new HashMap<String,String>();       temp1.put(FIRST_COLUMN,"Diaries");       temp1.put(SECOND_COLUMN, "By Amee Products");       temp1.put(THIRD_COLUMN, "Rs. 400");       temp1.put(FOURTH_COLUMN, "Per Unit");     list.add(temp1);          HashMap<String,String> temp2 = new HashMap<String,String>();       temp2.put(FIRST_COLUMN,"Note Books and Stationery");       temp2.put(SECOND_COLUMN, "By National Products");       temp2.put(THIRD_COLUMN, "Rs. 600");       temp2.put(FOURTH_COLUMN, "Per Unit");     list.add(temp2);          HashMap<String,String> temp3 = new HashMap<String,String>();       temp3.put(FIRST_COLUMN,"Corporate Diaries");       temp3.put(SECOND_COLUMN, "By Devarsh Prakashan");       temp3.put(THIRD_COLUMN, "Rs. 800");       temp3.put(FOURTH_COLUMN, "Per Unit");     list.add(temp3);          HashMap<String,String> temp4 = new HashMap<String,String>();       temp4.put(FIRST_COLUMN,"Writing Pad");       temp4.put(SECOND_COLUMN, "By TechnoTalaktive Pvt. Ltd.");       temp4.put(THIRD_COLUMN, "Rs. 100");       temp4.put(FOURTH_COLUMN, "Per Unit");     list.add(temp4);   } } 

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