android 调用android系统的对话框控件

	AlertDialog.Builder builder = new Builder(WordTestErrorWordsActivity.this);
					builder.setTitle("将单词转移到重点单词库");
					//builder.setMessage("是否保存到C盘路径下!");
					builder.setPositiveButton("确定", new android.content.DialogInterface.OnClickListener(){

						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							
						}
						
					}) ;
					
					builder.setNegativeButton("返回", new android.content.DialogInterface.OnClickListener(){

						@Override
						public void onClick(DialogInterface dialog, int which) {
							// TODO Auto-generated method stub
							
						}
						
					}) ;
					
					Dialog noticeDialogx = builder.create();
					noticeDialogx.show();