我正在尝试在水平分隔器上对准晶圆厂。同时,我需要fab和CircularRevealLinearLayout成为CoordinatorLayout的直接子代。如果他们不是直系子女,那么晶圆厂将不会进行动画处理。我试图将CoordinatorLayout放在ConstraintLayout内,并将其约束到水平分隔线,但它不起作用。
<?xml version="1.0" encoding="utf-8"?>
<com.google.android.material.card.MaterialCardView
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:id="@+id/players_container"
android:layout_width="500dp"
android:layout_height="600dp">
<androidx.coordinatorlayout.widget.CoordinatorLayout
android:id="@+id/coordinator"
android:layout_width="match_parent"
android:layout_height="match_parent">
<com.google.android.material.circularreveal.CircularRevealLinearLayout
android:id="@+id/circular_reveal"
android:layout_width="300dp"
android:layout_height="500dp"
android:elevation="10dp"
android:visibility="invisible"
app:layout_constraintTop_toTopOf="@id/edit_btn"
app:layout_constraintEnd_toEndOf="@id/edit_btn"
android:background="@color/color_secondary"
app:layout_behavior="com.google.android.material.transformation.FabTransformationSheetBehavior"/>
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/edit_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_edit_black_24dp"
app:layout_constraintHorizontal_bias=".95"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/horizontal_divider"
app:layout_constraintBottom_toBottomOf="@id/horizontal_divider"
app:layout_constraintEnd_toEndOf="parent"/>
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.ConstraintLayout
android:id="@+id/image_layout"
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@id/horizontal_divider"
app:layout_constraintTop_toTopOf="parent">
<ImageView
android:id="@+id/teamBackground"
android:layout_width="match_parent"
android:layout_height="400dp"
android:src="@drawable/team_golfball"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent" />
<com.google.android.material.textview.MaterialTextView
android:id="@+id/team_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintStart_toStartOf="@id/image_layout"
app:layout_constraintEnd_toEndOf="@id/image_layout"
app:layout_constraintTop_toTopOf="@id/image_layout"
app:layout_constraintBottom_toBottomOf="@id/image_layout"
android:text="Team One"
style="@style/TextAppearance.MyTheme.Headline7"/>
</androidx.constraintlayout.widget.ConstraintLayout>
<View
android:id="@+id/horizontal_divider"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="@color/black_regular"
app:layout_constraintTop_toBottomOf="@id/image_layout"
app:layout_constraintBottom_toTopOf="@id/player_card_recyclerView"/>
<androidx.recyclerview.widget.RecyclerView
android:id="@+id/player_card_recyclerView"
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintHeight_percent=".75"
android:overScrollMode="never"
android:padding="20dp"
app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/horizontal_divider"
tools:itemCount="5"
tools:listitem="@layout/playercard_draggable" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.coordinatorlayout.widget.CoordinatorLayout>
</com.google.android.material.card.MaterialCardView>
我想要的是:
请添加-
app:layout_anchor="@id/teamBackground"
app:layout_anchorGravity="bottom|end"
在FloatingActionButton
中。layout_anchor
是该视图应相对于的定位视图。layout_anchorGravity
是相对于锚的位置,在其父级边界内的X和Y轴上。在这里,我要共享图像时使用bottom
和end
。
完整代码为-
<com.google.android.material.floatingactionbutton.FloatingActionButton
android:id="@+id/edit_btn"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="@drawable/ic_edit_black_24dp"
app:layout_constraintHorizontal_bias=".95"
app:layout_anchor="@id/teamBackground"
app:layout_anchorGravity="bottom|end"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/horizontal_divider"
app:layout_constraintBottom_toBottomOf="@id/horizontal_divider"
app:layout_constraintEnd_toEndOf="parent"/>
请检查layout_height
的ImageView
。应该是0dp
,而不是400dp
。