上图显示了我想要的视图的样子。
问题是，当上重力文本尺寸增加时，它会将图像推离视图。我尝试使用障碍，但无法使其发挥作用。
下图显示了我在实现这一目标方面已经走了多远。但现在的问题是图像总是卡在最后。但我希望它位于重力文本旁边，当该文本增加时，它应该卡在末尾，并且重力文本的高度应该增加。
<?xml version="1.0" encoding="utf-8"?>
<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:id="@+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.CardView
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="@dimen/dp_4">
<TextView
android:id="@+id/last_msg_tv"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:textAlignment="viewStart"
android:textColor="@color/color_grey_3"
android:textSize="@dimen/sp_12"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="@+id/barrier9"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="@+id/title_tv"
app:layout_constraintTop_toBottomOf="@+id/title_tv"
tools:text="In the future, Earth is slowly becoming uninhabitable. Ex-NASA pilot Cooper, along with a team of researchers, is sent on a planet exploration mission to report which planet can sustain life." />
<TextView
android:id="@+id/title_tv"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:textColor="@color/color_grey_2"
android:textSize="@dimen/sp_16"
android:textStyle="bold"
app:layout_constraintEnd_toStartOf="@+id/imageView4"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Alpha CapriCod A" />
<ImageView
android:id="@+id/imageView4"
android:layout_width="@dimen/dp_24"
android:layout_height="@dimen/dp_24"
android:layout_marginEnd="8dp"
android:tint="@color/color_grey_5"
app:layout_constraintEnd_toStartOf="@+id/user_count_tv"
app:layout_constraintTop_toTopOf="@+id/title_tv"
app:srcCompat="@drawable/mutiple_user_img" />
<TextView
android:id="@+id/user_count_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
app:layout_constraintBottom_toBottomOf="@+id/imageView4"
app:layout_constraintEnd_toEndOf="@+id/barrier9"
app:layout_constraintTop_toTopOf="@+id/imageView4"
tools:text="1000" />
<android.support.constraint.Barrier
android:id="@+id/barrier9"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="left"
tools:layout_editor_absoluteX="387dp"
tools:layout_editor_absoluteY="8dp" />
</android.support.constraint.ConstraintLayout>
</android.support.v7.widget.CardView>
</android.support.constraint.ConstraintLayout>
你能做的就是把title_tv (with wrap_content宽度），imageView4 and user_count_tv在水平链中packed风格和偏见0让它们向左对齐。当。。。的时候title_tv扩展，你需要使用app:layout_constrainedWidth="true"以防止它将其他视图推出界限。约束应该是这样的：
<?xml version="1.0" encoding="utf-8"?>
<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:id="@+id/constraintLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.CardView
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="4dp">
<TextView
android:id="@+id/last_msg_tv"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:textAlignment="viewStart"
android:textSize="12sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="@id/title_tv"
app:layout_constraintTop_toBottomOf="@id/title_tv"
tools:text="In the future, Earth is slowly becoming uninhabitable. Ex-NASA pilot Cooper, along with a team of researchers, is sent on a planet exploration mission to report which planet can sustain life." />
<TextView
android:id="@+id/title_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:textSize="16sp"
android:textStyle="bold"
app:layout_constraintHorizontal_bias="0"
app:layout_constraintHorizontal_chainStyle="packed"
app:layout_constrainedWidth="true"
app:layout_constraintEnd_toStartOf="@id/imageView4"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Alpha CapriA" />
<ImageView
android:id="@+id/imageView4"
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_marginEnd="8dp"
app:layout_constraintEnd_toStartOf="@id/user_count_tv"
app:layout_constraintStart_toEndOf="@id/title_tv"
app:layout_constraintTop_toTopOf="@id/title_tv"
app:srcCompat="@android:drawable/btn_star" />
<TextView
android:id="@+id/user_count_tv"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
app:layout_constraintBottom_toBottomOf="@id/imageView4"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@id/imageView4"
app:layout_constraintTop_toTopOf="@+id/imageView4"
tools:text="1000" />
</android.support.constraint.ConstraintLayout>
</android.support.v7.widget.CardView>
</android.support.constraint.ConstraintLayout>
Result:
并且标题更长：
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