用Dialog实现自定义对话框

private void show5(){    LayoutInflater inflater=LayoutInflater.from(this);    View view=inflater.inflate(R.layout.dialog_layout,null);    AlertDialog.Builder builder=new AlertDialog.Builder(this);    builder.setTitle("自定义列表");    builder.setIcon(R.drawable.ic_launcher);    builder.setView(view);    AlertDialog dialog=builder.create();    dialog.show();    }