Android 约束集问题，无法解决问题

我扩展了ConstraintLayout，并通过编程方式添加视图，然后为每个视图设置约束。但有些人认为它不起作用，只有第一个视图出现了。我想不出哪里出了错

addViews(){
        titleInfoView = new TextView(getContext());
        titleInfoView.setId(ViewCompat.generateViewId());
        addView(titleInfoView);

        editBoxView = new EditText(contextWrapper);
        editBoxView.setId(ViewCompat.generateViewId());
        addView(editBoxView);

        notInfoView = new TextView(getContext());
        notInfoView.setId(ViewCompat.generateViewId());
        addView(notInfoView);
    
        errorMessageView = new TextView(getContext());
        errorMessageView.setId(ViewCompat.generateViewId());
        addView(errorMessageView);

}

然后向每个视图添加约束

 private void addConstraintToViews() {
     
        ConstraintSet set = new ConstraintSet();
        set.clone(this);

        //connect title view
        set.connect(titleInfoView.getId(), ConstraintSet.TOP, ConstraintSet.PARENT_ID, ConstraintSet.TOP);
        set.connect(titleInfoView.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
        set.connect(titleInfoView.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);


        //connect edit box
        set.connect(editBoxView.getId(), ConstraintSet.TOP, titleInfoView.getId(), ConstraintSet.BOTTOM, R.dimen.margin_10);
        set.connect(editBoxView.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
        set.connect(editBoxView.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);

        //connect info title
        set.connect(notInfoView.getId(), ConstraintSet.TOP, editBoxView.getId(), ConstraintSet.BOTTOM, R.dimen.margin_10);
        set.connect(notInfoView.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
        set.connect(notInfoView.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);

        //connect error messag
        set.connect(errorMessageView.getId(), ConstraintSet.TOP, notInfoView.getId(), ConstraintSet.BOTTOM, R.dimen.margin_10);
        set.connect(errorMessageView.getId(), ConstraintSet.START, ConstraintSet.PARENT_ID, ConstraintSet.START);
        set.connect(errorMessageView.getId(), ConstraintSet.END, ConstraintSet.PARENT_ID, ConstraintSet.END);
        set.connect(errorMessageView.getId(), ConstraintSet.BOTTOM, ConstraintSet.PARENT_ID, ConstraintSet.BOTTOM);

        set.applyTo(this);
    }

只有第一项显示为标题，如图所示。我想一个接一个地添加每个视图，这就是我编写constraintset的方式。有人能指出哪里出了问题吗。

---

我终于找到了问题所在。我为每个小部件正确设置了布局参数，但当我在父约束布局下为每个小部件设置约束时，我在末尾添加了边距

这似乎是个问题，可能是约束布局上的一些错误。刚刚删除了该页边距，现在显示视图。

尝试设置为

EditText

。