如何使单选按钮在彼此前面对齐？

Question

我想将单选按钮彼此对齐。我的单选按钮在单选组中，而我的父布局是约束布局。

该怎么做？我尝试通过将无线电广播组放入相对于儿童的相对布局，但无法正常工作。我想将单选按钮彼此对齐。

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_height="match_parent"
    tools:context=".MainActivity">


    <EditText
        android:id="@+id/mValidity"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"[In image you can see get now radio button is below the shop now radio button. but i want get now radio button will be in right of hop now.][1]
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mLink"
        app:layout_constraintVertical_bias="0.000" />

    <RadioGroup
        android:id="@+id/lRadioGroup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mValidity"
        app:layout_constraintVertical_bias="0.000">

        <RadioButton
            android:id="@+id/mShopNow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:onClick="checkButton"
            android:text="SHOP NOW" />

        <RadioButton
            android:id="@+id/mGetNow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:onClick="checkButton"
            android:text="GET NOW" />

    </RadioGroup>

    <TextView
        android:id="@+id/mDealType"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Deal Type"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/lRadioGroup"
        app:layout_constraintVertical_bias="0.000" />

    <Button
        android:id="@+id/btn"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:onClick="addNote"
        android:text="Insert Document"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mDealType"
        app:layout_constraintVertical_bias="0.035" />

</androidx.constraintlayout.widget.ConstraintLayout>

Answer 1

您可以像这样向RadioGroup定向

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.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:layout_height="match_parent"
    tools:context=".MainActivity">

    <EditText
        android:id="@+id/mValidity"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mLink"
        app:layout_constraintVertical_bias="0.000" />

    <RadioGroup
        android:id="@+id/lRadioGroup"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mValidity">

        <RadioButton
            android:id="@+id/mShopNow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:checked="true"
            android:gravity="center|right"
            android:onClick="checkButton"
            android:text="SHOP NOW"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <RadioButton
            android:id="@+id/mGetNow"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginStart="20dp"
            android:gravity="center|right"
            android:onClick="checkButton"
            android:text="GET NOW"
            app:layout_constraintStart_toEndOf="@+id/mShopNow"
            app:layout_constraintTop_toTopOf="@+id/mShopNow" />

    </RadioGroup>

    <TextView
        android:id="@+id/mDealType"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:hint="Deal Type"
        android:visibility="gone"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/lRadioGroup"
        app:layout_constraintVertical_bias="0.000" />

    <Button
        android:id="@+id/btn"
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:onClick="addNote"
        android:text="Insert Document"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/mDealType"
        app:layout_constraintVertical_bias="0.035" />

</androidx.constraintlayout.widget.ConstraintLayout>