ConstraintSet 中的 setHorizo​​ntalBias 以及以编程方式创建的视图

setHorizontalBias in ConstraintSet with view created programmatically

我有这个 ConstraintLayout:

<android.support.constraint.ConstraintLayout
            android:id="@+id/fragment_live_icons_layout"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/fragment_live_clock"
            app:layout_constraintBottom_toTopOf="@+id/fragment_live_progress_bar_time"
            android:background="@color/futbolinAzul"
            android:layout_width="match_parent"
            android:layout_marginLeft="@dimen/margin_n"
            android:layout_marginRight="@dimen/margin_n"
            android:layout_height="@dimen/height_sm"/>

而且,我想以编程方式在其中添加 ImageViews,尝试获取这张图片作为结果:

其中白色矩形是 ConstraintLayout,球和黄牌是通过编程添加的不同 ImageView

首先,我创建了一个ImageView:

iconImages = v.findViewById(R.id.fragment_live_icons_layout); //CONSTRAINTLAYOUT
ImageView imageView =  new ImageView(getContext());
imageView.setId(View.generateViewId());
imageView.setBackgroundResource(R.drawable.ic_ball);

之后,我将 imageView 添加到 ConstraintLayout:

iconsImages.addView(imageView);

然后我创建了一个 ConstraintSet 并克隆了 ConstraintLayout:

ConstraintSet constraintSet = new ConstraintSet();
constraintSet.clone(iconImages);

最后我使用我的变量 minutes:

设置了 horizontalBias
constraintSet.connect(imageView.getId(), ConstraintSet.TOP, iconsImages.getId(), ConstraintSet.TOP, 0);
constraintSet.connect(imageView.getId(), ConstraintSet.LEFT, iconsImages.getId(), ConstraintSet.LEFT, 0);

 //   constraintSet.setVerticalBias(imageView.getId(),  0.5f);
    constraintSet.setHorizontalBias(imageView.getId(),  (float)minutes/90);
    constraintSet.applyTo(iconsImages);
    TransitionManager.beginDelayedTransition(iconsImages);

minutes 变量的值通常在 15 到 80 之间。问题是所有 imageView 都设置在 ConstraintLayout.[=31 的开头=]

像这样:

右约束似乎缺失。偏差必须应用两侧约束。

constraintSet.connect(imageView.getId(), ConstraintSet.RIGHT, iconsImages.getId(), ConstraintSet.RIGHT, 0);