如何在Constrainlayout中对齐textview

时间:2019-05-13 19:51:47

标签: android textview alignment android-constraintlayout

  

我正在开发新闻应用程序,但无法对齐textview,因此   它在imageview周围重叠如何正确显示   我正在开发新闻应用程序,但无法对齐textview,因此   它在imageview周围重叠如何正确显示   在我的xml下

<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/colorWhite"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    android:layout_width="match_parent"
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto">
    <android.support.constraint.Guideline
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:orientation="vertical"
        app:layout_constraintGuide_percent="0.55"
        android:id="@+id/guideline"/>
    <ImageView
        android:layout_width="0dp"
        android:layout_height="0dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintStart_toEndOf="@id/guideline"
        app:layout_constraintDimensionRatio="16:9"
        android:layout_margin="16dp"
        android:id="@+id/articleImage"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:id="@+id/articleAuthor"
        android:layout_marginStart="25dp"
        android:layout_marginTop="10dp"
        android:text="Placeholder"
        android:layout_marginLeft="25dp" />
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toBottomOf="@id/articleAuthor"
        app:layout_constraintStart_toStartOf="@id/articleAuthor"
        android:layout_marginTop="5dp"
        android:maxLines="2"
        android:text="Secondary"
        android:id="@+id/articleTitle"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toBottomOf="@id/articleTitle"
        app:layout_constraintStart_toStartOf="@id/articleAuthor"
        app:layout_constraintBottom_toBottomOf="parent"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="5dp"
        android:text="Tertiary"
        android:id="@+id/articleTime"/>

    <ImageButton
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="@id/articleTime"
        app:layout_constraintBottom_toBottomOf="@id/articleTime"
        app:layout_constraintStart_toEndOf="@id/articleTime"
        android:layout_marginStart="15dp"
        android:id="@+id/articleShare"
        android:background="@color/colorWhite"
        android:src="@drawable/ic_share"
        android:layout_marginLeft="15dp" />
    <ImageButton
        android:id="@+id/articleFavorite"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:layout_constraintTop_toTopOf="@id/articleShare"
        app:layout_constraintBottom_toBottomOf="@id/articleShare"
        app:layout_constraintStart_toEndOf="@id/articleShare"
        android:layout_marginStart="15dp"
        android:background="@color/colorWhite"
        android:src="@drawable/ic_bookmark"
        android:layout_marginLeft="15dp" />
</android.support.constraint.ConstraintLayout>

下面是应用current screenshot of the app的当前屏幕截图

下面我要实现的屏幕截图 screenshot I want

1 个答案:

答案 0 :(得分:0)

将此属性同时添加到articleAuthorarticleTitle TextViews:

app:layout_constraintEnd_toStartOf="@id/guideline"

另外,将这两个相同的视图的layout_width属性设置为0dp(即“匹配约束”):

android:layout_width="0dp"

这将导致TextViews与父项的左边缘与准则的右边缘之间的空间完全一样宽。对于小于此宽度的文本,您将获得一行左对齐的文本。对于大于此宽度的文本,您将获得多行左对齐的文本,这些文本在ImageView之前环绕。