執行別人的程式

參考網址http://sukelven.pixnet.net/blog/post/53825727
package fcu.edu;
import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;
public class Menu extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        String[] vData = {"星期一","星期二","星期三","星期四","星期五","星期六","星期日",};
        ListView lv = new ListView(this);                   
        lv.setChoiceMode( ListView.CHOICE_MODE_MULTIPLE ); 
        ArrayAdapter arrayAdapter2 = new ArrayAdapter(this,
        android.R.layout.simple_list_item_multiple_choice, vData);
  ArrayAdapter arrayAdapter = arrayAdapter2;
  ArrayAdapter vArrayData = arrayAdapter;
        lv.setAdapter( vArrayData );       
        setContentView(lv);   
    }
}

JAVA期末自製

package fcu.edu;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class add extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        final EditText fromNumber = (EditText)this.findViewById( R.id.fromNumber );
        final EditText toNumber   = (EditText)this.findViewById( R.id.toNumber );
        Button   equals     = (Button)this.findViewById( R.id.equals );
        final TextView totalValue = (TextView)this.findViewById( R.id.totalValue );
        equals.setOnClickListener(new OnClickListener
        (){
         public void onClick(View v) {              
          try {                   
           int fromNum = Integer.parseInt(fromNumber.getText().toString());
           int toNum   = Integer.parseInt(toNumber.getText().toString());
           totalValue.setText( fromNum + toNum + "" );
          }catch( Exception e )
          {                  
           totalValue.setText("請輸入正確的數字型態 !! ");
          }
         }
       
       
        });
    }
}


<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
<TextView 
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="@string/hello"
    />
<EditText    android:id="@+id/fromNumber"
        android:layout_width="149px"
        android:layout_height="wrap_content"  
        android:text="" 
        android:textSize="18sp"
        android:layout_x="10px" 
        android:layout_y="32px"   
    />
    <TextView    android:id="@+id/widgetAdd" 
      android:layout_width="wrap_content"  
       android:layout_height="wrap_content" 
         android:text="+"
            android:textSize="20sp"  
             android:layout_x="10px"   
    android:layout_y="82px"   
    />
<EditText    android:id="@+id/toNumber"
   android:layout_width="150px" 
     android:layout_height="wrap_content"
  android:text=""  
   android:textSize="18sp" 
     android:layout_x="10px"  
      android:layout_y="112px" 
        />
<Button    android:id="@+id/equals"  
 android:layout_width="wrap_content"  
  android:layout_height="wrap_content" 
    android:text="="  
     android:textSize="20sp"
        android:layout_x="10px" 
          android:layout_y="172px"
             />
<TextView    android:id="@+id/totalValue"  
 android:layout_width="wrap_content"  
  android:layout_height="wrap_content"  
   android:textSize="30sp" 
     android:textColor="#ffffff00"
        android:layout_x="10px" 
          android:layout_y="232px" 
            />
   
</LinearLayout>

輸入正確數字會相加

不是輸入數字會要求重新輸入