Android弹出对话框简单代码

	 

	 

	package com.zxing.dialog;  

	 

	import android.app.Activity;  

	import android.app.AlertDialog;  

	import android.app.Dialog;  

	import android.content.Context;  

	import android.content.DialogInte易做图ce;  

	import android.os.Bundle;  

	import android.view.View;  

	import android.view.View.OnClickListener;  

	import android.widget.Button;  

	 

	public class DialogTest extends Activity {  

	    private static final int DIALOG =   1;  

	      

	      

	    /** Called when the activity is first created. */ 

	    @Override 

	    public void onCreate(Bundle savedInstanceState) {  

	        super.onCreate(savedInstanceState);  

	        setContentView(R.layout.main);  

	        Button btn  =   (Button)findViewById(R.id.button1);  

	        btn.setOnClickListener(new OnClickListener() {  

	              

	            @Override 

	            public void onClick(View v) {  

	                // TODO Auto-generated method stub  

	                showDialog(DIALOG);//Activity里面的函数,然后调用onCreateDialog这个方法,最后调用onPrepareDialog这个方法           }  

	        });  

	    }  

	 

	    @Override 

	    protected Dialog onCreateDialog(int id) {  

	        // TODO Auto-generated method stub  

	        if(id==1){  

	        return this.buildDialog(DialogTest.this);  

	        }else{  

	            return null;  

	        }  

	    }  

	 

	    @Override 

	    protected void onPrepareDialog(int id, Dialog dialog) {  

	        // TODO Auto-generated method stub  

	        super.onPrepareDialog(DIALOG, dialog);  

	    }  

	      

	    private Dialog buildDialog(Context context){  

	        AlertDialog.Builder builder =   new AlertDialog.Builder(context);  

	        builder.setIcon(R.drawable.alert_dialog_icon);  

	        builder.setTitle(R.string.alertitle);  

	        builder.setPositiveButton(R.string.right,new DialogInte易做图ce.OnClickListener() {  

	              

	            @Override 

	            public void onClick(DialogInte易做图ce dialog, int which) {  

	                // TODO Auto-generated method stub  

	                setTitle("您单击了对话框上面的正确按钮");  

	            }  

	        });  

	          

	        return builder.create();  

	    }  

	      

	}   

	 

	作者：MR.zxing

补充：移动开发 , Android ,

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