Question

当键盘被拉起时，我一直试图让ConstraintLayout向上滚动。理想情况下，我希望它能够将其余元素向上推，这样您就可以看到整个多行EditText，同时使其余的布局可滚动。此布局位于Fragment的场景中，因此我不确定这是否会阻止此工作。

这是我的XML：

<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:verticalScrollbarPosition="right"
    android:fillViewport="true"
    android:scrollbars="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">

    <android.support.constraint.ConstraintLayout
        android:id="@+id/constraintLayoutEditReadings"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <!-- Creates margins for the sides -->
        <android.support.constraint.Guideline
            android:id="@+id/guideLeftMargin"
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintGuide_percent="0.05" />

        <android.support.constraint.Guideline
            android:id="@+id/guideRightMargin"
            android:orientation="vertical"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintGuide_percent="0.95" />

        <android.support.constraint.Guideline
            android:id="@+id/guideTopMargin"
            android:orientation="horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintGuide_percent="0.0" />

        <android.support.constraint.Guideline
            android:id="@+id/guideBottomMargin"
            android:orientation="horizontal"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            app:layout_constraintGuide_percent="0.95" />

        <!-- Guideline for the EditTexts -->
        <android.support.constraint.Guideline
            android:id="@+id/guideEditStart"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.33"/>

        <android.support.constraint.Guideline
            android:id="@+id/guideEditEnd"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="vertical"
            app:layout_constraintGuide_percent="0.90"/>

        <android.support.constraint.Guideline
            android:id="@+id/guideEditReadingTop"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.47"/>

        <android.support.constraint.Guideline
            android:id="@+id/guideEditReadingBottom"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:orientation="horizontal"
            app:layout_constraintGuide_percent="0.85"/>

        <!-- textviews -->
        <TextView
            android:id="@+id/lblTitle"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/readingTitle"
            android:textSize="25sp"
            app:layout_constraintTop_toBottomOf="@id/guideTopMargin"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            android:layout_marginTop="20dp"/>

        <TextView
            android:id="@+id/lblAuthor"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/readingAuthor"
            android:textSize="25sp"
            app:layout_constraintTop_toBottomOf="@id/lblTitle"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            android:layout_marginTop="50dp"/>

        <TextView
            android:id="@+id/lblPart"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/readingPart"
            android:textSize="25sp"
            app:layout_constraintTop_toBottomOf="@id/lblAuthor"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            android:layout_marginTop="50dp"/>

        <TextView
            android:id="@+id/lblText"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/readingText"
            android:textSize="25sp"
            app:layout_constraintTop_toBottomOf="@id/lblPart"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            android:layout_marginTop="50dp" />

        <!-- Edit Texts -->
        <EditText
            android:id="@+id/editTitle"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:hint="@string/titleHint"
            android:textAlignment="center"
            app:layout_constraintLeft_toRightOf="@id/guideEditStart"
            app:layout_constraintRight_toLeftOf="@id/guideEditEnd"
            app:layout_constraintTop_toBottomOf="@id/guideTopMargin"
            android:layout_marginTop="10dp"
            />

        <EditText
            android:id="@+id/editAuthor"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:hint="@string/authorHint"
            app:layout_constraintLeft_toRightOf="@id/guideEditStart"
            app:layout_constraintRight_toLeftOf="@id/guideEditEnd"
            app:layout_constraintTop_toBottomOf="@id/editTitle"
            android:layout_marginTop="40dp"
            android:textAlignment="center"
            />

        <EditText
            android:id="@+id/editPart"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:hint="@string/partHint"
            android:textAlignment="center"
            app:layout_constraintLeft_toRightOf="@id/guideEditStart"
            app:layout_constraintRight_toLeftOf="@id/guideEditEnd"
            app:layout_constraintTop_toBottomOf="@id/editAuthor"
            android:layout_marginTop="35dp" />

        <!-- larger EditText for the readings -->
        <EditText
            android:id="@+id/editReading"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:inputType="textMultiLine"
            android:lines="8"
            android:gravity="start"
            android:scrollbars="vertical"
            android:overScrollMode="always"
            android:background="@drawable/border"
            app:layout_constraintTop_toBottomOf="@id/lblText"
            app:layout_constraintBottom_toTopOf="@id/guideEditReadingBottom"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            app:layout_constraintRight_toLeftOf="@id/guideRightMargin"/>

        <Button
            android:id="@+id/btnSubmit"
            style="@style/Widget.AppCompat.Button.Borderless"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="@string/submitReading"
            app:layout_constraintBottom_toTopOf="@id/guideBottomMargin"
            app:layout_constraintLeft_toRightOf="@id/guideLeftMargin"
            app:layout_constraintRight_toLeftOf="@id/guideRightMargin" />

    </android.support.constraint.ConstraintLayout>

</ScrollView>

以下是布局的截图：

放入ScrollView时，Constraint Layout不会滚动

0 个答案: