Android 弹出输入框

final EditText inputServer = new EditText(FriendApplyActivity.this);
AlertDialog.Builder builder = new AlertDialog.Builder(FriendApplyActivity.this);
builder.setTitle("输入密码").setIcon(android.R.drawable.ic_dialog_info).setView(inputServer)
        .setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });

builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
    public void onClick(DialogInterface dialog, int which) {
        String text = inputServer.getText().toString();
       
    }
});

android 弹出输入框，获取输入框值，带确定 取消 按钮