我正在处理
ConstraintLayout
,我可以调整子视图,但无法从左到右对齐Textview
。有没有办法让Textview
从左到右对齐?
这是代码:
<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:layout_width="match_parent"
android:id="@+id/mylotslist_itemview"
android:layout_height="wrap_content">
<TextView
android:id="@+id/serialnumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:gravity="left"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:padding="@dimen/padding5"
android:text="1"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/lotnumber"
android:gravity="left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:padding="@dimen/padding5"
android:text="50"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.08"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/sellername"
android:layout_width="wrap_content"
android:layout_gravity="center"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="right"
android:padding="@dimen/padding5"
android:text="ffffffffff"
android:textColor="@color/black"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0"
/>
<TextView
android:id="@+id/lotstatus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:gravity="left"
android:layout_marginTop="8dp"
android:background="@color/lot_statusfalse"
android:paddingBottom="@dimen/padding5"
android:paddingLeft="@dimen/padding5"
android:paddingRight="@dimen/padding5"
android:paddingTop="@dimen/padding5"
android:text="Alloted and Empty"
android:textColor="@color/white"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.66"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/createddate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="left"
android:padding="@dimen/padding5"
android:text="01-FEB-2018 10:30 AM"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
</android.support.constraint.ConstraintLayout>
我希望我的文本视图像这样对齐。有什么可能的方法 这样对齐?
您需要从除第一个视图之外的所有视图中删除
app:layout_constraintStart_toStartOf="parent"
。因为它会将您的所有视图分配到左侧。
<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/mylotslist_itemview"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/serialnumber"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="left"
android:padding="8dp"
android:text="1"
android:textColor="@color/black"
android:textSize="@dimen/font_normal"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.1" />
<TextView
android:id="@+id/lotnumber"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="left"
android:padding="8dp"
android:text="50"
android:textColor="@color/black"
android:textSize="@dimen/font_normal"
app:layout_constraintStart_toEndOf="@+id/serialnumber"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.1" />
<TextView
android:id="@+id/sellername"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="end"
android:padding="8dp"
android:text="ffffffffff"
android:textColor="@color/black"
app:layout_constraintStart_toEndOf="@+id/lotnumber"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.2" />
<TextView
android:id="@+id/lotstatus"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="@color/colorPrimary"
android:gravity="start"
android:padding="8dp"
android:text="Alloted and Empty"
android:textColor="@color/white"
android:textSize="@dimen/font_normal"
app:layout_constraintStart_toEndOf="@+id/sellername"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.3" />
<TextView
android:id="@+id/createddate"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="start"
android:padding="8dp"
android:text="01-FEB-2018 10:30 AM"
android:textColor="@color/black"
android:textSize="@dimen/font_normal"
app:layout_constraintStart_toEndOf="@+id/lotstatus"
app:layout_constraintWidth_percent="0.3" />
</android.support.constraint.ConstraintLayout>
从除第一个视图之外的所有视图中删除
app:layout_constraintStart_toStartOf="parent"
,并为除第一个视图之外的每个视图添加 app:layout_constraintStart_toEndOf = "@+id/your_left_views_id"
。
喜欢
<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:layout_width="match_parent"
android:id="@+id/mylotslist_itemview"
android:layout_height="wrap_content">
<TextView
android:id="@+id/serialnumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="left"
android:padding="@dimen/padding5"
android:text="1"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/lotnumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="left"
android:padding="@dimen/padding5"
android:text="50"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="0.08"
app:layout_constraintStart_toEndOf="@+id/serialnumber"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/sellername"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="right"
android:padding="@dimen/padding5"
android:text="ffffffffff"
android:textColor="@color/black"
app:layout_constraintStart_toEndOf="@+id/lotnumber"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/lotstatus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:background="@color/colorPrimary"
android:gravity="left"
android:paddingBottom="@dimen/padding5"
android:paddingLeft="@dimen/padding5"
android:paddingRight="@dimen/padding5"
android:paddingTop="@dimen/padding5"
android:text="Alloted and Empty"
android:textColor="@color/white"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_bias="0.66"
app:layout_constraintStart_toEndOf="@+id/sellername"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
<TextView
android:id="@+id/createddate"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:gravity="left"
android:padding="@dimen/padding5"
android:text="01-FEB-2018 10:30 AM"
android:textColor="@color/black"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toEndOf="@+id/lotstatus"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.0" />
您正在给予所有意见 应用程序:layout_constraintStart_toStartOf =“父” app:layout_constraintEnd_toEndOf="parent" 这是错误的。
在约束布局中,您必须为相关视图提供开始、结束、顶部、底部约束。
尝试下面的代码:
<?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/mylotslist_itemview"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/serialnumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="10dp"
android:layout_marginTop="10dp"
android:padding="@dimen/padding5"
android:text="1"
android:textColor="@color/color_btn_blue"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="@+id/lotnumber"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:padding="@dimen/padding5"
android:text="50"
android:textColor="@color/color_charcoal"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintStart_toEndOf="@+id/serialnumber"
app:layout_constraintTop_toTopOf="@+id/serialnumber" />
<TextView
android:id="@+id/sellername"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:padding="@dimen/padding5"
android:text="ffffffffff"
android:textColor="@color/radius_text_blue"
app:layout_constraintStart_toEndOf="@+id/lotnumber"
app:layout_constraintTop_toTopOf="@+id/serialnumber" />
<TextView
android:id="@+id/lotstatus"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@color/blue_text"
android:padding="@dimen/padding5"
android:text="Alloted and Empty"
android:textColor="@color/default_text"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintStart_toEndOf="@+id/sellername"
app:layout_constraintTop_toTopOf="@+id/serialnumber" />
<TextView
android:id="@+id/createddate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="5dp"
android:background="@color/file_limit_error"
android:padding="@dimen/padding5"
android:text="01-FEB-2018 10:30 AM"
android:textColor="@color/default_text"
android:textSize="@dimen/list_itemtextsize"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/lotstatus"
app:layout_constraintTop_toTopOf="@+id/serialnumber" />
</android.support.constraint.ConstraintLayout>
<androidx.constraintlayout.widget.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.appcompat.widget.LinearLayoutCompat
android:layout_width="0dp"
android:layout_height="wrap_content"
android:gravity="start"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</androidx.constraintlayout.widget.ConstraintLayout>
现在,您的子视图对相关父视图有约束,并且其重力从开始处开始(或者,您使用 android:gravity="" 标签定义的内容)。
设置约束,例如
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
并使用它(值从 0 - 右到 1 - 左)
app:layout_constraintHorizontal_bias="0"