XML不加載

Question

package table.periodic; 

import android.app.AlertDialog; 
import android.app.ListActivity; 
import android.content.DialogInterface; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.ContextMenu; 
import android.view.LayoutInflater; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.view.ViewGroup; 
import android.widget.AdapterView; 
import android.widget.ArrayAdapter; 
import android.widget.ListView; 
import android.widget.TextView; 


public class Solu extends ListActivity { 

    String[] formulas={ "Formulas", "Al<sup><small>2</small></sup>(SO<sup><small>4</small></sup>)<sup><small>3</small></sup>" 

    }; 

    String[] C0s={ "0°C", "31.2" 

    }; 

    String[] C20s={ "20°C", "36.4" 

    }; 

    String[] C60s={ "60°C", "59.2" 

    }; 

    String[] C100s={ "100°C", "89.0" 

    }; 

    public static final int ONE_ID = Menu.FIRST+1; 
    public static final int TWO_ID = Menu.FIRST+2; 
    public static final int THREE_ID = Menu.FIRST+3; 
    public static final int FOUR_ID = Menu.FIRST+4; 

    public void OnCreate(Bundle icicle){ 
     super.onCreate(icicle); 
     setContentView(R.layout.list); 
     setListAdapter(new IconicAdapter()); 

    } 

    class IconicAdapter extends ArrayAdapter<Object>{ 
     IconicAdapter(){ 

      super(Solu.this, R.layout.row); 

     } 


    public View getView(int position, View convertView, ViewGroup parent){ 

     LayoutInflater inflater=getLayoutInflater(); 
     View row=inflater.inflate(R.layout.row, parent, false); 

     TextView formula=(TextView)row.findViewById(R.id.formula); 
     TextView C0=(TextView)row.findViewById(R.id.C0); 
     TextView C20=(TextView)row.findViewById(R.id.C20); 
     TextView C60=(TextView)row.findViewById(R.id.C60); 
     TextView C100=(TextView)row.findViewById(R.id.C100); 

     formula.setText(formulas[position]); 
     C0.setText(C0s[position]); 
     C20.setText(C20s[position]); 
     C60.setText(C60s[position]); 
     C100.setText(C100s[position]); 

     return(row); 

     } 

    } 

    public void onListItemClick(ListView parent, View v, int position, long id){ 


    } 

    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo){ 
      populateMenu(menu); 
     } 

     public boolean onCreateOptionsMenu(Menu menu){ 
      populateMenu(menu); 

      return(super.onCreateOptionsMenu(menu)); 

     } 
     public boolean onOptionsItemSelected(MenuItem item){ 
      return(applyMenuChoice(item)|| 
        super.onOptionsItemSelected(item)); 

     } 
     public boolean onContextItemSelected(MenuItem item){ 
      return(applyMenuChoice(item)|| 
        super.onContextItemSelected(item)); 
     } 
     private void populateMenu(Menu menu){ 
      menu.add(Menu.NONE, ONE_ID, Menu.NONE, "Help"); 
      menu.add(Menu.NONE, TWO_ID, Menu.NONE, "Home"); 
      menu.add(Menu.NONE, THREE_ID, Menu.NONE, "List"); 
      menu.add(Menu.NONE, FOUR_ID, Menu.NONE, "Table"); 
     } 

     private boolean applyMenuChoice(MenuItem item){ 
      switch (item.getItemId()){ 

      case ONE_ID: 

       new AlertDialog.Builder(this) 
       .setTitle("Help") 
       .setMessage("Solubilities are given in grams of solute that can be dissolved in 100 g of water at the temperature (°C) indicated.") 
       .setNeutralButton("Close", new DialogInterface.OnClickListener(){ 
        public void onClick(DialogInterface dlg, int sumthin){ 

        } 
       }) 
       .show(); 

       return(true); 

      case TWO_ID: 

       Intent table = new Intent(this, table.class); 
       startActivity(table); 
       finish(); 
       return(true); 

      case THREE_ID: 

       Intent list = new Intent(this, List.class); 
       startActivity(list); 
       finish(); 
       return(true); 

      case FOUR_ID: 
       Intent Classic = new Intent(this, Classic.class); 
       startActivity(Classic); 
       finish(); 
       return(true); 

      } 
      return false; 
     } 

     public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, 
       long arg3) { 
      // TODO Auto-generated method stub 

     } 

     public void onNothingSelected(AdapterView<?> arg0) { 
      // TODO Auto-generated method stub 

     } 

} 

XML列表

XML ROW

<?xml version="1.0" encoding="utf-8"?> 
<LinearLayout 
    xmlns:android="http://schemas.android.com/apk/res/android" 
    android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="horizontal"> 
    <TextView android:layout_height="wrap_content" android:textSize="15dp" android:id="@+id/formula" android:text="form" android:layout_width="75dp"></TextView> 
    <TextView android:textSize="15dp" android:layout_height="wrap_content" android:text="0C" android:id="@+id/C0" android:layout_width="30dp"></TextView> 
    <TextView android:layout_height="wrap_content" android:textSize="15dp" android:id="@+id/C20" android:text="20C" android:layout_width="35dp"></TextView> 
    <TextView android:layout_height="wrap_content" android:textSize="15dp" android:id="@+id/C60" android:text="60C" android:layout_width="35dp"></TextView> 
    <TextView android:layout_height="wrap_content" android:textSize="15dp" android:id="@+id/C100" android:text="60C" android:layout_width="35dp"></TextView> 

</LinearLayout> 

Answer 1

可以提供任意佈局在ListView適配器一起使用，像SimpleAdapter，或ArrayAdapter所以它可以有4列和任何你想要的內部。

唯一的挑戰是，你需要設置一些明確的尺寸爲列（寬度觀點layout_weight的百分之即），不讓它根據輸入。

您也可以看看使用TableLayout，但它不具備客體重用支持像ListView做，所以它可能也有操作上的一些手機400行的問題。