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   源码介绍

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package my.com.test;

import java.util.ArrayList;

import java.util.List;


import android.app.Activity;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.telephony.gsm.SmsManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

public class Control extends Activity 
{
	private Button mButton1;
    private EditText mEditText1; 
    private GridItemAdapter adapter;
    private GridView mygridview;   
    //private Button on;
    //private Button off;
    //public List<MyGrid> list;
    private String[] titles=new String[]{"灯1","灯2","灯3","灯4","灯5","灯6","灯7","灯8","灯9","灯10","灯11","灯12","灯13","灯14","灯15","灯16",};
    private int[]images={R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,
    					 R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,R.drawable.loff,
    					 R.drawable.loff,R.drawable.loff,};    
    
    public void onCreate(Bundle savedInstanceState)     
    {   super.onCreate(savedInstanceState);
        setContentView(R.layout.grid);        
        mEditText1=(EditText)findViewById(R.id.editText1);        
        mButton1=(Button)findViewById(R.id.button1); 
        mButton1.setOnClickListener(new Button.OnClickListener(){
        	public void onClick(View v) {        		
        	String messageAddress = mEditText1.getText().toString();
        	String messageContent = "check";        	
        	SmsManager smsManager = SmsManager.getDefault();        
           if(messageAddress.trim().length()!=0 && messageContent.trim().length()!=0)
        	{
        	   try{
        	    PendingIntent pintent = PendingIntent.getBroadcast(Control.this, 0, new Intent(), 0);
        	    smsManager.sendTextMessage(messageAddress, null, messageContent, pintent, null);
        	      
        	     }catch(Exception e)
        	     {
        	      e.printStackTrace();
        	     }
        	     Toast.makeText(Control.this, "发送成功", Toast.LENGTH_SHORT).show();
        	    }
        	    else{
        	     Toast.makeText(Control.this, "发送地址或者内容不能为空", Toast.LENGTH_SHORT).show();
        	    }
        	   }    
        	        });                                     
        mygridview=(GridView)findViewById(R.id.gridview); //寻找资源，在main中的GridView       
        adapter=new GridItemAdapter(titles,images,this); 
        mygridview.setAdapter(adapter);        
        mygridview.setOnItemClickListener(new OnItemClickListener()
    	      	{        	
    	      		public void onItemClick(AdapterView<?> parent,  View v,int position,long i)
    	      				//The AdapterView where the click happened  
    	      				//The view within the AdapterView that was clicked   
    	      				//The position of the view in the adapter   
    	      				//The row id of the item that was clicked       	      				
    	      		{	   	      			
    	      			GridView changedgridview=(GridView)findViewById(R.id.gridview); 
    	      		
    	      			if(images[position]==R.drawable.loff)
	             			
	         			{    	         				
	         				images[position]=R.drawable.lon2;     	         			
	         				GridItemAdapter changedadapter=new GridItemAdapter(titles,images,Control.this);    	         			
	         				changedgridview.setAdapter(changedadapter);   	        			
	         				Toast.makeText(Control.this, "灯"   (position 1) "已经打开", Toast.LENGTH_SHORT).show();  				  			    	         				      				
	         			}
	         			else
	         			{
	         				images[position]=R.drawable.loff;     	             			
	         				GridItemAdapter changedadapter=new GridItemAdapter(titles,images,Control.this);    	         			
	         				changedgridview.setAdapter(changedadapter);     			   	         			
	         				Toast.makeText(Control.this, "灯"   (position 1) "已经关闭", Toast.LENGTH_SHORT).show();      				      				
	         			}    	      				    			
    	      		}   	      		    	      	
    	   });    		   
    }   	                       
    public class MyGrid
    {
    	private String title; 
    	private int imageId;     	
    	public MyGrid(String objname,int imageId)
    	{
    		super();
    		this.title=objname;
    		this.imageId=imageId;    		
    	}
    	public String getObjname()
    	{
    		return title;
    	}
    	public int getImageId()
    	{
    		return imageId;
    	}      	
    }    
    public class GridItemAdapter extends BaseAdapter
    {    	
    	private List<MyGrid> gridlist;
    	private LayoutInflater inflater;    	
    	
    	public  GridItemAdapter(String[] Objname,int[]images,Context context)
    	{
    		super();
    		gridlist=new ArrayList<MyGrid>();    		
    		inflater=LayoutInflater.from(context);   		
    		for(int i=0;i<images.length;i  )
    		{
    			MyGrid picture=new MyGrid(Objname[i],images[i]);
    			gridlist.add(picture);
    		}    		
    	}    	
    	public int getCount()
    	{
    		return gridlist.size();
    	}
    	public long getItemId(int index)
    	{
    		return index;
    	}
    	public Object getItem(int index)
    	{
    		return gridlist.get(index);
    	}
    	public class ViewHolder
    	{
    		ImageView image;
    		TextView text;    		
    	}
    	public View getView(int index,View view,ViewGroup parent)
    	{    		
    		ViewHolder gridholder;    		
    		if(view==null)
    		{   			
    			view=inflater.inflate(R.layout.control, null);
    			gridholder=new ViewHolder();
    			gridholder.image=(ImageView)view.findViewById(R.id.gridimageview);
    			gridholder.text=(TextView)view.findViewById(R.id.gridtextview);
    			view.setTag(gridholder);
    		}
    		else
    		{
    			gridholder=(ViewHolder)view.getTag();
    		}    			
    		gridholder.image.setImageResource(gridlist.get(index).getImageId());
			gridholder.text.setText(gridlist.get(index).getObjname());				    	
			return view;    			    	    	    		    		    		    		
    	}     
    }            
}