Android 如何使用权重和约束布局分割下面的视图
我使用LinearLayout创建UI,但我无法将水平灰线居中对齐到圆的中心。我将圆圈和文本放置在垂直线性布局中 找到下面的代码:Android 如何使用权重和约束布局分割下面的视图,android,android-constraintlayout,Android,Android Constraintlayout,我使用LinearLayout创建UI,但我无法将水平灰线居中对齐到圆的中心。我将圆圈和文本放置在垂直线性布局中 找到下面的代码: <LinearLayout android:id="@+id/step_indicator" android:layout_width="match_parent" android:layout_height="75dp" android
<LinearLayout
android:id="@+id/step_indicator"
android:layout_width="match_parent"
android:layout_height="75dp"
android:layout_margin="@dimen/margin_10"
android:gravity="center"
android:orientation="horizontal">
<LinearLayout
android:id="@+id/step1_layout"
style="@style/StepIndividualLayout">
<ImageView
android:id="@+id/step1_imageView"
style="@style/StepImageView"
android:layout_gravity="center"
android:src="@drawable/active"
app:layout_constraintDimensionRatio="1:1" />
<TextView
android:id="@+id/step1_textView"
style="@style/StepTextView"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Text1"
android:textColor="@color/dark_blue_color" />
</LinearLayout>
<View
android:id="@+id/step_1_2_view"
style="@style/StepLine"></View>
<LinearLayout
android:id="@+id/step2_layout"
style="@style/StepIndividualLayout">
<ImageView
android:id="@+id/step2_imageView"
style="@style/StepImageView"
android:layout_gravity="center"
android:src="@drawable/step_2_deactivated"
app:layout_constraintDimensionRatio="1:1" />
<TextView
android:id="@+id/step2_textView"
style="@style/StepTextView"
android:layout_gravity="center"
android:text="Text 2" />
</LinearLayout>
<View
android:id="@+id/step_2_3_view"
style="@style/StepLine"/>
</LinearLayout>
上述代码生成以下结果:
您可以根据需要使用CONSTRAITNLYOUT,并为线条提供适当的约束,使其根据图像居中。 此外,我认为在这里链(横向)将使您的生活更容易,为更多的信息 类似这样的内容:
<?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">
<Button
android:id="@+id/button"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent="0.2"
app:layout_constraintHeight_percent="0.1"
android:text="2"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view4"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button2"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:text="1"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.2" />
<Button
android:id="@+id/button3"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="3"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view5"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.2" />
<Button
android:id="@+id/button4"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent="0.2"
app:layout_constraintHeight_percent="0.1"
android:text="4"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view5"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view4"
app:layout_constraintTop_toTopOf="parent" />
<View
android:id="@+id/view"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/button2"
app:layout_constraintEnd_toStartOf="@+id/button"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button2"
app:layout_constraintTop_toTopOf="@+id/button2" />
<View
android:id="@+id/view4"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/view"
app:layout_constraintEnd_toStartOf="@+id/button4"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button"
app:layout_constraintTop_toTopOf="@+id/view" />
<View
android:id="@+id/view5"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/view"
app:layout_constraintEnd_toStartOf="@+id/button3"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button4"
app:layout_constraintTop_toTopOf="@+id/view" />
</androidx.constraintlayout.widget.ConstraintLayout>
现在,只需将按钮替换为自定义视图,即可完成操作。您可以根据需要使用CONSTRAITNLYOUT,并为线条提供适当的约束,使其根据图像居中。
此外,我认为在这里链(横向)将使您的生活更容易,为更多的信息
类似这样的内容:
<?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">
<Button
android:id="@+id/button"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent="0.2"
app:layout_constraintHeight_percent="0.1"
android:text="2"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view4"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="@+id/button2"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:text="1"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.2" />
<Button
android:id="@+id/button3"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginEnd="8dp"
android:layout_marginRight="8dp"
android:text="3"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHeight_percent="0.1"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view5"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintWidth_percent="0.2" />
<Button
android:id="@+id/button4"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent="0.2"
app:layout_constraintHeight_percent="0.1"
android:text="4"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="@+id/view5"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/view4"
app:layout_constraintTop_toTopOf="parent" />
<View
android:id="@+id/view"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/button2"
app:layout_constraintEnd_toStartOf="@+id/button"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button2"
app:layout_constraintTop_toTopOf="@+id/button2" />
<View
android:id="@+id/view4"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/view"
app:layout_constraintEnd_toStartOf="@+id/button4"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button"
app:layout_constraintTop_toTopOf="@+id/view" />
<View
android:id="@+id/view5"
android:layout_width="0dp"
android:layout_height="2dp"
android:background="@color/cardview_dark_background"
app:layout_constraintBottom_toBottomOf="@+id/view"
app:layout_constraintEnd_toStartOf="@+id/button3"
app:layout_constraintHorizontal_bias="0.5"
app:layout_constraintStart_toEndOf="@+id/button4"
app:layout_constraintTop_toTopOf="@+id/view" />
</androidx.constraintlayout.widget.ConstraintLayout>
现在,只需将按钮替换为自定义视图,即可完成操作。您可以使用它来管理步骤状态,而不是手动操作
或
使用以下代码。只需将Imageview替换为自定义视图
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="@dimen/dp75"
android:layout_marginHorizontal="@dimen/dp4"
android:gravity="center"
android:weightSum="7">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
</LinearLayout>
您可以使用它来管理步骤状态,而不是手动操作
或
使用以下代码。只需将Imageview替换为自定义视图
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="@dimen/dp75"
android:layout_marginHorizontal="@dimen/dp4"
android:gravity="center"
android:weightSum="7">
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
<View
android:layout_width="match_parent"
android:layout_height="2dp"
android:layout_marginHorizontal="@dimen/dp4"
android:layout_weight="1"
android:background="@color/black"/>
<ImageView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:src="@drawable/blank_profile_picture"/>
</LinearLayout>
共享xml文件0dp 1dp 0.8@color/step\u line\u gray@dimen/margin\u 2中心上载错误共享xml文件0dp 1dp 0.8@color/step\u line\u gray@dimen/margin\u 2中心上载错误