我正在尝试在ConstraintLayout中并排设置两个TextView。 TextView2(市场)应始终位于TextView1的右侧。它永远不会离开屏幕。这是我对不同长度的TextView1的要求:
这是我的XML:
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/chat_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lorem ipsum"
app:layout_constrainedWidth="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_default="wrap" />
<TextView
android:id="@+id/tvRate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/half_margin"
android:background="@drawable/tag_marketplace_backround"
android:paddingStart="@dimen/half_margin"
android:paddingEnd="@dimen/half_margin"
android:text="@string/market"
android:textAllCaps="true"
android:textColor="@android:color/white"
android:textSize="12sp"
app:layout_constraintStart_toEndOf="@id/chat_message"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
当TextView1较小(第一张图像)时,此功能有效。但是,当我增加TextView2的长度时,TextView2不在屏幕上。请帮助我实现这一点。
尝试此
<androidx.constraintlayout.widget.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="wrap_content">
<androidx.constraintlayout.widget.ConstraintLayout
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/chat_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@id/tvRate"
app:layout_constraintHorizontal_weight="1"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Lorem dsjdlk lkjdksl jdlk jdlk djslkdjslkdsjdlskdjsdlsjsdl kjdl ksjd lksjlkd jl kjdl ksj slk jdslkd sjdlskjdslkj dlkj dlkjd lkd jsldksjdlksdjskdlsdjlksdjsl kj ldkjd lskdjs ldkjsldskjlk" />
<TextView
android:id="@+id/tvRate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@color/black"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:textAllCaps="true"
android:textColor="@android:color/white"
android:textSize="12sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Market" />
</androidx.constraintlayout.widget.ConstraintLayout>
</androidx.constraintlayout.widget.ConstraintLayout>
0dp基本上位于屏幕的左侧,直到tvRate的右侧文本(占用尽可能多的空间)换行内容基本上就是换行该元素具有的内容所需的空间
尝试这种布局。它使用链和水平偏差:
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal">
<TextView
android:id="@+id/chat_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum Lorem ipsum "
app:layout_constrainedWidth="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/tvRate"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintHorizontal_chainStyle="packed"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/tvRate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/half_margin"
android:background="@drawable/ic_launcher_background"
android:paddingStart="@dimen/half_margin"
android:paddingEnd="@dimen/half_margin"
android:text="@string/market"
android:textAllCaps="true"
android:textColor="@android:color/white"
android:textSize="12sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/chat_message"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
我相信您可以通过使用horizontal chain来实现View
的布局相互依赖并且取决于父对象。然后ConstraintLayout
可以用有趣的方式定义其已解决的约束。您可以在链中的第一个View
上定义链的样式。我还注意到设置了orientation
,但这对ConstraintLayout
无效,并且layout_constraintWidth_default
仅在android:width
设置为0dp
时适用。
<androidx.constraintlayout.widget.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/chat_message"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Lorem ipsum"
app:layout_constrainedWidth="true"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toStartOf="@id/tvRate"
app:layout_constraintHorizontal_chainStyle="spread_inside" />
<TextView
android:id="@+id/tvRate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="@dimen/half_margin"
android:background="@drawable/tag_marketplace_backround"
android:paddingStart="@dimen/half_margin"
android:paddingEnd="@dimen/half_margin"
android:text="@string/market"
android:textAllCaps="true"
android:textColor="@android:color/white"
android:textSize="12sp"
app:layout_constraintStart_toEndOf="@id/chat_message"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintEnd_toEndOf="parent" />