Android对话框

 1 // Android对话框
 2 AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);//创建对话框
 3 builder.setTitle("警告"); //设置标题
 4 builder.setMessage("确定要删除 "+person.getName()+" 吗？"); //设置内容
 5 builder.setIcon(android.R.drawable.ic_btn_speak_now); //设置图标
 6 builder.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
 7     @Override
 8     public void onClick(DialogInterface dialogInterface, int i) {
 9         list.remove(person); //从集合中删除
10         SQLiteDatabase db = helper.getWritableDatabase();
11         db.delete("FruitInfo", "fname=?", new String[]{person.getName()}); //从数据库中删除
12         notifyDataSetChanged(); //刷新界面
13     }
14 });//设置按钮及功能实现
15 builder.setNegativeButton("No",null); //设置按钮
16 builder.show(); //显示对话框