所以我想了解新的ConstraintLayout
的东西,因为iOS开发者的东西看起来没问题。ANDROID:ConstraintLayout:layout_constraintVertical_bias不按预期方式工作
我所试图做的是让4个方格是在垂直轴上(这样的粉红色60%尺寸略有不同,蓝色低于40%,在右侧40蓝%,黑人60%)
上layout_constraintVertical_bias
阅读起来,这应该做但我想它似乎什么都不做
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/left_guideline"
android:orientation="vertical"
tools:layout_editor_absoluteY="0dp"
tools:layout_editor_absoluteX="58dp"
app:layout_constraintGuide_percent="0.16111112" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/right_guideline"
app:layout_constraintGuide_percent="0.85"
android:orientation="vertical"
tools:layout_editor_absoluteY="0dp"
tools:layout_editor_absoluteX="306dp" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/bottom_guideline"
app:layout_constraintGuide_percent="0.85"
android:orientation="horizontal"
tools:layout_editor_absoluteY="434dp"
tools:layout_editor_absoluteX="0dp" />
<ImageButton
android:id="@+id/yourStoryButton"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginBottom="8dp"
android:layout_marginTop="8dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintLeft_toLeftOf="@+id/left_guideline"
app:layout_constraintRight_toLeftOf="@+id/right_guideline"
app:layout_constraintTop_toTopOf="@+id/bottom_guideline"
app:layout_constraintVertical_bias="0.0" />
<ImageButton
style="?android:attr/borderlessButtonStyle"
android:padding="0dp"
android:id="@+id/leftTopButton"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@+id/leftBottomButton"
app:layout_constraintLeft_toRightOf="@+id/left_main_guideline"
app:layout_constraintRight_toLeftOf="@+id/rightTopButton"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.6"
app:srcCompat="@color/colorAccent" />
<ImageButton
style="?android:attr/borderlessButtonStyle"
android:padding="0dp"
android:id="@+id/rightTopButton"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@+id/rightBottomButton"
app:layout_constraintLeft_toRightOf="@+id/leftTopButton"
app:layout_constraintRight_toLeftOf="@+id/right_main_guideline"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.4"
app:srcCompat="@color/colorPrimary" />
<ImageButton
style="?android:attr/borderlessButtonStyle"
android:padding="0dp"
android:id="@+id/leftBottomButton"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintTop_toBottomOf="@+id/leftTopButton"
app:layout_constraintLeft_toRightOf="@+id/left_main_guideline"
app:layout_constraintRight_toLeftOf="@+id/rightBottomButton"
app:layout_constraintVertical_bias="0.4"
app:srcCompat="@color/colorPrimaryDark" />
<ImageButton
android:id="@+id/rightBottomButton"
style="?android:attr/borderlessButtonStyle"
android:layout_width="0dp"
android:layout_height="0dp"
android:padding="0dp"
app:layout_constraintBottom_toTopOf="@+id/bottom_guideline"
app:layout_constraintLeft_toRightOf="@+id/leftBottomButton"
app:layout_constraintRight_toLeftOf="@+id/right_main_guideline"
app:layout_constraintTop_toBottomOf="@+id/rightTopButton"
app:layout_constraintVertical_bias="0.6"
app:srcCompat="@android:color/background_dark" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/left_main_guideline"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.0"
tools:layout_editor_absoluteY="0dp"
tools:layout_editor_absoluteX="0dp" />
<android.support.constraint.Guideline
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:id="@+id/right_main_guideline"
android:orientation="vertical"
app:layout_constraintGuide_percent="1.0"
tools:layout_editor_absoluteY="0dp"
tools:layout_editor_absoluteX="360dp" />
</android.support.constraint.ConstraintLayout>
上午我不正确的是app:layout_constraintVertical_bias
控制该视图的增长百分比(如重量做)
完美的作品(我在写自己的答案)你知道layout_constraintVertical_bias实际上做了什么 – Burf2000
如果父级在视图的大小上有更多的空间在该特定的轴上,则用于排列视图。默认情况下,他们有0.5个偏差,意味着他们被集中。如果你想在任何特定的方向对齐它们,请使用bias。有更好的看看这里:https://developer.android.com/reference/android/support/constraint/ConstraintLayout.html在偏见部分。 – Sac
谢谢,非常有帮助:) – Burf2000