自我LV1

這是TQC的202題，

程式碼為自行撰寫，

僅供參考。

 

主要練習轉型

package COM.TQC.GDD02;
/*
題目說明：
英呎 = 公尺 * 3.28
公尺 = 英呎 * 0.3048
*/

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;


public class GDD02 extends Activity {

	protected String PREF_M = "pref_m";
	protected String PREF_FT = "pref_ft";
	protected String pref_m;
	protected String pref_ft;
	
	private Button Button1,Button2;
	private EditText EText;
	private TextView infoView;
	double _Con1,_Con2;
	
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        findview();
        setlistener();
       
    }

    public void findview()
    {
    	 EText = (EditText) findViewById(R.id.editText1);
 		 infoView = (TextView)findViewById(R.id.textView2); 		
         Button1= (Button)findViewById(R.id.button1); 
         Button2= (Button)findViewById(R.id.button2); 
    }
    
    public void setlistener()
    {
    	Button1.setOnClickListener(new Button.OnClickListener(){
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Convert1();
			}
    	});
    	
    	Button2.setOnClickListener(new Button.OnClickListener(){
			@Override
			public void onClick(View v) {
				// TODO Auto-generated method stub
				Convert2();
			}
    	});
    }
    
    private void Convert1()
    {
    	_Con1=Double.parseDouble(EText.getText().toString())*3.28;
    	infoView.setText(String.valueOf(_Con1));
    }
    
    private void Convert2()
    {
    	_Con2=Double.parseDouble(EText.getText().toString())*0.3048;
    	infoView.setText(String.valueOf(_Con2));
        
    }
    
  
    
    protected static final int MENU_RESET =Menu.FIRST;
    
    @Override 
    public boolean 
    onCreateOptionsMenu(Menu menu) 
    {
        MenuInflater inflater = getMenuInflater();
        menu.add(0, MENU_RESET, 0, "ResetValue...");
        return true;
    }
    
    public boolean 
    onOptionsItemSelected(MenuItem item)
    {
        switch(item.getItemId()){
        case MENU_RESET:
        	ResetValue();
        	break;
        
        }
        return true;
    }
    
    private void  ResetValue()
    {
    	EText.setText("");
    	infoView.setText("");
    }     

}

 

 

自我LV~