AlertDialog

[java]代码库

package com.example.day13_alerdialog;

import java.util.ArrayList;
import java.util.List;

import bean.Textview;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;

public class MainActivity extends Activity {
	private GridView gridView;
	private List<Textview> list=new ArrayList<Textview>();
	private Dialog dialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        gridView=(GridView) findViewById(R.id.grid);
        
        for (int i = 0; i < 20; i++) {
			Textview textview=new Textview();
			textview.setImage(R.drawable.d);
			textview.setName("你好");
			list.add(textview);
		}
       Basetab basetab=new Basetab(this,list);
       gridView.setAdapter(basetab);
       gridView.setOnItemClickListener(new OnItemClickListener() {

		@Override
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
				long arg3) {
			// TODO Auto-generated method stub
			//aDialog = new AlertDialog.Builder(MainActivity.this)
			dialog=new AlertDialog.Builder(MainActivity.this).setTitle("请选择")
					.setIcon(R.drawable.d).
					setPositiveButton("下载", new DialogInterface.OnClickListener() {
						
						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							Toast.makeText(MainActivity.this, "你下载了", Toast.LENGTH_LONG).show();
						}
					}).setNegativeButton("删除", new DialogInterface.OnClickListener() {
						
						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							Toast.makeText(MainActivity.this, "你删除了", Toast.LENGTH_LONG).show();
						}
					}).create();
			dialog.show();
			
			
		}
	});
    }


   
    
}