如何从底部导航中删除标题

Question

我查看了stackoverflow，并找到了有关如何从默认设置中删除动画的解决方案bottom navigation.

现在我需要从底部导航中删除标题。我在底部导航xml文件的标题中设置了空字符串，但它不会改变图像的位置。我正在使用 v27

bottom navigation.删除文本后，我需要将图像居中。

这是我的代码。

 //OnCreate 

        BottomNavigationViewHelper.removeShiftMode(bottomNavigationView);

MainActivity 中的静态类

public static class BottomNavigationViewHelper {
    @SuppressLint("RestrictedApi")
    public static void removeShiftMode(BottomNavigationView view) {
        BottomNavigationMenuView menuView = (BottomNavigationMenuView) view.getChildAt(0);
        try {
            Field shiftingMode = menuView.getClass().getDeclaredField("mShiftingMode");
            shiftingMode.setAccessible(true);
            shiftingMode.setBoolean(menuView, false);
            shiftingMode.setAccessible(false);
            for (int i = 0; i < menuView.getChildCount(); i++) {
                BottomNavigationItemView item = (BottomNavigationItemView) menuView.getChildAt(i);
                //noinspection RestrictedApi
                item.setShiftingMode(false);
                // set once again checked value, so view will be updated
                //noinspection RestrictedApi
                item.setChecked(item.getItemData().isChecked());
            }
        } catch (NoSuchFieldException e) {
            Log.e("BottomNav", "Unable to get shift mode field", e);
        } catch (IllegalAccessException e) {
            Log.e("BottomNav", "Unable to change value of shift mode", e);
        }
    }
}

Answer 1

您可以尝试将 app:labelVisibilityMode 添加到“未标记”

 <android.support.design.widget.BottomNavigationView
        android:id="@+id/navigation"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:labelVisibilityMode="unlabeled"/>