我目前正在尝试将我的约束布局转换为相对布局，但不确定如何处理引用约束顶部、底部等的“app:”参数。这是我的澄清代码:
<?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/myFragmentConstaintLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/gray"
android:orientation="vertical">
<RelativeLayout
android:id="@+id/activeSpeakerContainer"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toTopOf="@+id/groupList"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myStatusContainer">
<FrameLayout
android:id="@+id/activeSpeakerVideo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/black" />
<ImageView
android:id="@+id/activeSpeakerImage"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:padding="48dp"
android:background="@color/black"
android:src="@drawable/my_default_profile" />
<TextView
android:id="@+id/myParticipantCountText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:ellipsize="end"
android:lines="1"
android:background="@drawable/rounded_rect"
android:layout_marginStart="18dp"
android:layout_marginTop="18dp"
android:drawablePadding="2dip"
android:paddingLeft="10dip"
android:textColor="@color/gray6"
android:textSize="16sp"
android:textStyle="bold"
android:drawableLeft="@drawable/drawable_user_count_icon"
android:drawableStart="@drawable/drawable_user_count_icon"/>
<ImageView
android:id="@+id/image_mark"
android:layout_width="130dp"
android:layout_height="28dp"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_marginBottom="36dp"
android:layout_marginRight="16dp"
android:layout_marginEnd="16dp"
android:src="@drawable/image_mark_blue" />
<TextView
android:id="@+id/activeSpeakerName"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:background="#AA555555"
android:ellipsize="end"
android:gravity="center_horizontal|bottom"
android:lines="1"
android:textColor="@color/gray6"
android:textSize="16sp"
tools:text="user@gmail.com" />
<TextView
android:id="@+id/DurationText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_alignParentStart="true"
android:layout_alignParentBottom="true"
android:gravity="start|bottom"
android:lines="1"
android:textColor="@color/gray6"
android:textSize="14sp"
tools:text="03:16" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/screenShareContainer"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="0dp"
android:layout_marginStart="0dp"
android:layout_marginBottom="0dp"
android:layout_marginLeft="0dp"
android:layout_marginRight="0dp"
app:layout_constraintDimensionRatio="16:9"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myStatusContainer"
app:layout_constraintBottom_toTopOf="@+id/myButtonContainer">
<PinchandZoomLayout
android:id="@+id/screenShareVideo"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@color/black"/>
<ImageButton
android:id="@+id/screenShareToggle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentRight="true"
android:layout_alignParentEnd="true"
android:layout_marginBottom="36dp"
android:layout_marginLeft="16dp"
android:layout_marginStart="16dp"
android:background="@android:color/transparent"
android:src="@drawable/ic_video_cam_switch" />
</RelativeLayout>
<RelativeLayout
android:id="@+id/myStatusContainer"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:background="#AA555555"
android:padding="8dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent">
<TextView
android:id="@+id/myNameText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentStart="true"
android:layout_alignParentTop="true"
android:ellipsize="end"
android:lines="1"
android:textColor="@color/gray6"
android:textSize="14sp"
tools:text="user2@gmail.com" />
<ImageButton
android:id="@+id/myButtonVideoRotate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:background="@android:color/transparent"
android:src="@drawable/ic_video_cam_switch" />
</RelativeLayout>
<android.support.v7.widget.RecyclerView
android:id="@+id/groupList"
android:layout_width="0dp"
android:layout_height="0dp"
android:visibility="invisible"
app:layout_constraintBottom_toTopOf="@+id/myButtonContainer"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/activeSpeakerContainer">
</android.support.v7.widget.RecyclerView>
<RelativeLayout
android:id="@+id/myProgressContainer"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="@+id/groupList"
app:layout_constraintLeft_toLeftOf="@+id/groupList"
app:layout_constraintRight_toRightOf="@+id/groupList"
app:layout_constraintTop_toTopOf="@+id/groupList">
<TextView
android:id="@+id/myProgressName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="8dp"
android:gravity="center_horizontal"
android:textColor="@color/gray6"
android:textSize="20sp"
tools:text="My Name" />
<TextView
android:id="@+id/myProgressText"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/myProgressName"
android:layout_centerHorizontal="true"
android:layout_marginTop="8dp"
android:gravity="center_horizontal"
android:text="@string/my_status_connecting"
android:textColor="@color/gray6"
android:textSize="16sp" />
</RelativeLayout>
<include
android:id="@+id/myButtonContainer"
layout="@layout/layout_my_button_bar_1_row"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent" />
<android.support.constraint.ConstraintLayout
android:id="@+id/myButtonContainerUnavailable"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="@+id/myButtonContainer"
app:layout_constraintLeft_toLeftOf="@+id/myButtonContainer"
app:layout_constraintRight_toRightOf="@+id/myButtonContainer"
app:layout_constraintTop_toTopOf="@+id/myButtonContainer"
tools:visibility="visible">
<Button
android:id="@+id/myButtonCancel"
style="@style/myButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:drawableTop="@drawable/btn_my_end"
android:text="@string/dialog_button_cancel"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toLeftOf="@+id/myButtonRetry"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/myButtonRetry"
style="@style/myButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:drawableTop="@drawable/btn_my_retry"
android:text="@string/button_try_again"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toRightOf="@+id/myButtonCancel"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
我只是尝试用相对布局替换“android.support.constraint.ConstraintLayout”，但是这些参数“app:layout_constraint...”更难处理。有更简单的方法来解决这个问题吗？
提前致谢。
最佳答案
我正在使用 Android Studio 版本 3.1.2
不需要做那么多复杂的事情。只需右键单击
组件树中的布局名称如图所示，然后选择选项转换 View 并选择要使用的布局。
关于android - 如何将约束布局转换为相对布局？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/48101845/