在约束布局中对AlertDialog隐藏软输入键盘

AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setTitle("标题")
       .setMessage("消息内容")
       .setPositiveButton("确定", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
               // 点击确定按钮的逻辑处理
           }
       })
       .setNegativeButton("取消", new DialogInterface.OnClickListener() {
           public void onClick(DialogInterface dialog, int id) {
               // 点击取消按钮的逻辑处理
           }
       });

// 自定义布局
LayoutInflater inflater = LayoutInflater.from(context);
View view = inflater.inflate(R.layout.custom_dialog_layout, null);
builder.setView(view);

// 设置OnShowListener监听器
builder.setOnShowListener(new DialogInterface.OnShowListener() {
    @Override
    public void onShow(DialogInterface dialog) {
        // 隐藏软输入键盘
        AlertDialog alertDialog = (AlertDialog) dialog;
        Window window = alertDialog.getWindow();
        if (window != null) {
            window.setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN);
        }
    }
});

AlertDialog dialog = builder.create();
dialog.show();