【Android】简单dialog的使用

final AlertDialog.Builder builder = new AlertDialog.Builder(HomeActivity.this);
                builder.setTitle("更改用户吗？").setPositiveButton("是的", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        finish();
                    }
                }).setNegativeButton("不了", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        dialogInterface.dismiss();
                    }
                });
                builder.create().show();