android - 约束布局为不同的屏幕支持正确的边距和大小
问题描述
我正在尝试使用 ConstraintLayout 构建布局。我需要每个视图根据屏幕大小自行调整,而不需要滚动视图。
这是我当前的代码:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto">
<ImageView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:scaleType="centerCrop"
android:adjustViewBounds="true"
android:alpha="0"
android:id="@+id/backgroundImage"/>
<View
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/colorBackground"
android:alpha="0.4"
android:background="@drawable/home_gradient_animation_list"/>
<androidx.constraintlayout.motion.widget.MotionLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
app:layoutDescription="@xml/scene_app_intro"
android:id="@+id/mainLayout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
android:layout_marginTop="60dp"
app:layout_constraintTop_toTopOf="parent"
android:textSize="30sp"
android:alpha="0"
android:id="@+id/title"
android:textColor="@color/white"
android:fontFamily="sans-serif-thin"/>
<com.airbnb.lottie.LottieAnimationView
android:id="@+id/donorAnimation"
android:layout_width="80dp"
android:layout_height="80dp"
app:lottie_fileName="lotte_animation_place.json"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/title"
android:layout_marginTop="40dp"
android:tint="@color/white"
app:lottie_loop="true"
app:lottie_autoPlay="true" />
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="30dp"
android:layout_marginTop="15dp"
android:layout_marginEnd="30dp"
app:cardElevation="2dp"
app:cardCornerRadius="15dp"
app:cardBackgroundColor="@color/white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/donorAnimation"
android:id="@+id/donorTextLayout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:paddingStart="15dp"
android:paddingEnd="15dp"
android:textSize="16sp"
android:textColor="@color/home_gradient_2_2"
android:fontFamily="@font/avenir_bold"
android:layout_gravity="center"
android:gravity="center"
android:lineSpacingMultiplier="1.2"
android:text="Got extra food? Get on board and help serve the food to people in need"/>
</androidx.cardview.widget.CardView>
<com.airbnb.lottie.LottieAnimationView
android:id="@+id/volunteerAnimation"
android:layout_width="80dp"
android:layout_height="80dp"
app:lottie_fileName="lotte_animation_food_delivery_1.json"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/donorTextLayout"
android:layout_marginTop="25dp"
android:tint="@color/white"
app:lottie_loop="true"
app:lottie_autoPlay="true" />
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="30dp"
android:layout_marginTop="15dp"
android:layout_marginEnd="30dp"
app:cardElevation="2dp"
app:cardCornerRadius="15dp"
app:cardBackgroundColor="@color/white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/volunteerAnimation"
android:id="@+id/volunteerTextLayout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:paddingStart="15dp"
android:paddingEnd="15dp"
android:textSize="16sp"
android:textColor="@color/home_gradient_2_2"
android:fontFamily="@font/avenir_bold"
android:layout_gravity="center"
android:gravity="center"
android:lineSpacingMultiplier="1.2"
android:text="Not everyone gets a chance to server their community. Become a volunteer and help us deliver the food."/>
</androidx.cardview.widget.CardView>
<com.airbnb.lottie.LottieAnimationView
android:id="@+id/recipientAnimation"
android:layout_width="80dp"
android:layout_height="80dp"
app:lottie_fileName="lotte_animation_food.json"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/volunteerTextLayout"
android:layout_marginTop="25dp"
android:tint="@color/white"
app:lottie_loop="true"
app:lottie_autoPlay="true" />
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginStart="30dp"
android:layout_marginTop="15dp"
android:layout_marginEnd="30dp"
app:cardElevation="2dp"
app:cardCornerRadius="15dp"
app:cardBackgroundColor="@color/white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="@+id/recipientAnimation"
android:id="@+id/recipientTextLayout">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="10dp"
android:paddingBottom="10dp"
android:paddingStart="15dp"
android:paddingEnd="15dp"
android:textSize="16sp"
android:textColor="@color/home_gradient_2_2"
android:fontFamily="@font/avenir_bold"
android:layout_gravity="center"
android:gravity="center"
android:lineSpacingMultiplier="1.2"
android:text="Whether you are a religious place or a non-profit organization, we have you covered."/>
</androidx.cardview.widget.CardView>
<androidx.cardview.widget.CardView
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:layout_constrainedWidth="true"
app:layout_constraintWidth_max="250dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
android:id="@+id/btn_start"
app:cardBackgroundColor="@color/white">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:clickable="true"
android:focusable="true"
android:id="@+id/btn_start_main"
android:background="?attr/selectableItemBackground"
android:padding="15dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:gravity="center"
android:textSize="19sp"
android:fontFamily="@font/avenir_bold"
android:textColor="@color/home_gradient_2_2"
android:text="Start"/>
</FrameLayout>
</androidx.cardview.widget.CardView>
</androidx.constraintlayout.motion.widget.MotionLayout>
</RelativeLayout>
这是它在不同屏幕尺寸设备上的外观:
在这里工作正常
布局超越底部
我可以与大小一起使用什么约束,以便布局调整其大小以填充屏幕?ImageView 设置为包装内容,以便它可以调整。
解决方案
我将运动布局设置为父视图(而不是相对布局)
然后你可以用按钮和图像做垂直链约束。这样就行了。实际上,这就是我为解决相同问题所做的工作。