约束布局包的内容使视图dissapear

Question

我建立一个简单的布局，有一个滚动视图，并用约束布局工作，

我附近有什么我需要，我只需要调整2次离开，一描述标题和底部的描述。

事情是，底部的元素不调整我尝试在高度上包装内容，因为元素描述可以增长，但是当我这样做时，视图只是消失，并且上面的任何元素都滚动到，

对此有何帮助？

这里是我的xml：

<?xml version="1.0" encoding="utf-8"?> 

<ScrollView 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" 
    android:fillViewport="true"> 


    <android.support.constraint.ConstraintLayout 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content"> 

     <include 
      android:id="@+id/my_toolbar" 
      layout="@layout/custom_toolbar" 
      android:layout_width="0dp" 
      android:layout_height="wrap_content" 
      app:layout_constraintHorizontal_bias="0.0" 
      app:layout_constraintLeft_toLeftOf="parent" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toTopOf="parent" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintRight_creator="1" 
      tools:layout_constraintTop_creator="1" /> 


     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/SpecieName" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:layout_marginEnd="8dp" 
      android:layout_marginLeft="16dp" 
      android:layout_marginRight="8dp" 
      android:layout_marginStart="16dp" 
      android:layout_marginTop="22dp" 
      android:text="adas " 
      android:textColor="@color/nephritis" 
      android:textSize="14dp" 
      app:layout_constraintHorizontal_bias="0.0" 
      app:layout_constraintLeft_toRightOf="@+id/textView8" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/googleMapsText" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/GenreName" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:layout_marginBottom="1dp" 
      android:layout_marginEnd="8dp" 
      android:layout_marginLeft="12dp" 
      android:layout_marginRight="8dp" 
      android:layout_marginStart="12dp" 
      android:onClick="genrePressed" 
      android:text="asdas " 
      android:textColor="@color/nephritis" 
      android:textSize="14dp" 
      app:layout_constraintBottom_toBottomOf="@+id/textView7" 
      app:layout_constraintHorizontal_bias="0.004" 
      app:layout_constraintLeft_toRightOf="@+id/textView7" 
      app:layout_constraintRight_toRightOf="parent" 
      tools:layout_constraintBottom_creator="1" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintRight_creator="1" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/FamilyName" 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:layout_marginEnd="8dp" 
      android:layout_marginLeft="11dp" 
      android:layout_marginRight="8dp" 
      android:layout_marginStart="11dp" 
      android:layout_marginTop="38dp" 
      android:onClick="familyPressed" 
      android:text="asdaswwww" 
      android:textColor="@color/nephritis" 
      android:textSize="14dp" 
      app:layout_constraintHorizontal_bias="0.0" 
      app:layout_constraintLeft_toRightOf="@+id/Family" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/GenreName" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintRight_creator="1" 
      tools:layout_constraintTop_creator="1" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/textView8" 
      android:layout_width="65dp" 
      android:layout_height="0dp" 
      android:layout_marginStart="16dp" 
      android:text="Espécie" 
      android:textSize="14dp" 
      app:layout_constraintBaseline_toBaselineOf="@+id/SpecieName" 
      app:layout_constraintLeft_toLeftOf="parent" 
      tools:layout_constraintBaseline_creator="1" 
      tools:layout_constraintLeft_creator="1" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/textView7" 
      android:layout_width="58dp" 
      android:layout_height="0dp" 
      android:layout_marginLeft="16dp" 
      android:layout_marginStart="16dp" 
      android:layout_marginTop="36dp" 
      android:text="Género" 
      android:textSize="14dp" 
      app:layout_constraintLeft_toLeftOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/textView8" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintTop_creator="1" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/Family" 
      android:layout_width="71dp" 
      android:layout_height="wrap_content" 
      android:layout_marginTop="36dp" 
      android:text="Familia" 
      android:textSize="14dp" 
      app:layout_constraintLeft_toLeftOf="@+id/textView7" 
      app:layout_constraintTop_toBottomOf="@+id/textView7" 
      app:layout_heightPercent="5%" 
      app:layout_marginLeftPercent="5%" 
      app:layout_marginTopPercent="105%" 
      app:layout_widthPercent="25%" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintTop_creator="1" /> 


     <ImageView 
      android:id="@+id/plantImage" 
      android:layout_width="0dp" 
      android:layout_height="275dp" 
      android:adjustViewBounds="true" 
      android:scaleType="fitXY" 
      app:layout_constraintHorizontal_bias="0.0" 
      app:layout_constraintLeft_toLeftOf="parent" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/my_toolbar" 
      app:srcCompat="@drawable/color_cursor_white" /> 

     <android.support.v7.widget.RecyclerView 
      android:id="@+id/gallery" 
      android:layout_width="0dp" 
      android:layout_height="77dp" 
      android:layout_marginTop="8dp" 
      app:layout_constraintLeft_toLeftOf="parent" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/plantImage" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintRight_creator="1" /> 


     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/googleMapsText" 
      android:layout_width="wrap_content" 
      android:layout_height="0dp" 
      android:layout_marginEnd="8dp" 
      android:layout_marginLeft="20dp" 
      android:layout_marginRight="8dp" 
      android:layout_marginStart="20dp" 
      android:layout_marginTop="19dp" 
      android:text="Ver no mapa" 
      app:layout_constraintHorizontal_bias="0.0" 
      app:layout_constraintLeft_toRightOf="@+id/imageView6" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintTop_toBottomOf="@+id/gallery" 
      tools:layout_constraintLeft_creator="1" 
      tools:layout_constraintRight_creator="1" 
      tools:layout_constraintTop_creator="1" /> 

     <ImageView 
      android:id="@+id/imageView6" 
      android:layout_width="wrap_content" 
      android:layout_height="0dp" 
      android:layout_marginLeft="16dp" 
      android:layout_marginStart="16dp" 
      android:layout_marginTop="11dp" 
      android:src="@drawable/ic_facebook_placeholder_for_locate_places_on_maps" 
      android:tint="#F90101" 
      app:layout_constraintLeft_toLeftOf="@+id/gallery" 
      app:layout_constraintTop_toBottomOf="@+id/gallery" 
      tools:layout_conversion_absoluteHeight="0dp" 
      tools:layout_conversion_absoluteWidth="0dp" 
      tools:layout_conversion_absoluteX="360dp" 
      tools:layout_conversion_absoluteY="0dp" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/specieDescription" 
      android:layout_width="200dp" 
      android:layout_height="200dp" 
      android:layout_marginLeft="0dp" 
      android:layout_marginTop="8dp" 
      android:text="asdfasd " 
      android:textSize="14dp" 
      app:layout_constraintLeft_toLeftOf="@+id/descricaoTit" 
      app:layout_constraintTop_toBottomOf="@+id/descricaoTit" 
      app:layout_marginLeftPercent="5%" 
      app:layout_marginTopPercent="120%" 
      app:layout_widthPercent="90%" 
      android:layout_marginRight="8dp" 
      app:layout_constraintRight_toRightOf="parent" /> 

     <com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/descricaoTit" 
      android:layout_width="71dp" 
      android:layout_height="wrap_content" 
      android:text="Descrição" 
      android:textSize="14dp" 
      android:layout_marginLeft="-16dp" 
      app:layout_constraintLeft_toLeftOf="@+id/Family" 
      android:layout_marginTop="25dp" 
      app:layout_constraintTop_toBottomOf="@+id/Family" 
      android:layout_marginRight="8dp" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintHorizontal_bias="0.0" /> 

    </android.support.constraint.ConstraintLayout> 
</ScrollView> 

重要组成部分：

标题：

<com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
      android:id="@+id/descricaoTit" 
      android:layout_width="71dp" 
      android:layout_height="wrap_content" 
      android:text="Descrição" 
      android:textSize="14dp" 
      android:layout_marginLeft="-16dp" 
      app:layout_constraintLeft_toLeftOf="@+id/Family" 
      android:layout_marginTop="25dp" 
      app:layout_constraintTop_toBottomOf="@+id/Family" 
      android:layout_marginRight="8dp" 
      app:layout_constraintRight_toRightOf="parent" 
      app:layout_constraintHorizontal_bias="0.0" /> 

说明：

<com.example.afcosta.inesctec.pt.android.Helpers.OpenSansMedium 
     android:id="@+id/specieDescription" 
     android:layout_width="200dp" 
     android:layout_height="200dp" 
     android:layout_marginLeft="0dp" 
     android:layout_marginTop="8dp" 
     android:text="asdfasd " 
     android:textSize="14dp" 
     app:layout_constraintLeft_toLeftOf="@+id/descricaoTit" 
     app:layout_constraintTop_toBottomOf="@+id/descricaoTit" 
     app:layout_marginLeftPercent="5%" 
     app:layout_marginTopPercent="120%" 
     app:layout_widthPercent="90%" 
     android:layout_marginRight="8dp" 
     app:layout_constraintRight_toRightOf="parent" /> 

image:

感谢很多:)

Answer 1

其更好地使用相对布局，而不是限制的，当你有多个视图或部件。