androidlayoutscrollviewandroid-constraintlayout
How to set a scrollView to half of screen with ConstraintLayout
I have a ConstraintLayout with some view itens and a listView to show some values. I need to create a layout with HALF SCREEN and in the first layout i need to use a scrollView, to complete all infos and register. Can i set layout to half of screen with no using a fixing layout_height?
This is my layout, with a fixed layout_height :
and this is my layout code:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ScrollView
android:layout_width="match_parent"
android:layout_height="250dp"
android:id="@+id/myScrollView">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="@+id/txtViewExpense"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="10dp"
android:text="@string/expense"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/txtExpenseValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="textPersonName"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpense" />
<TextView
android:id="@+id/txtViewPrice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
android:text="@string/expense_price"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtExpenseValue" />
<EditText
android:id="@+id/txtViewPriceValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="number"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewPrice" />
<TextView
android:id="@+id/txtViewCategory"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_marginTop="10dp"
android:text="@string/expense_category"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewPriceValue" />
<Spinner
android:id="@+id/spnCategory"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewCategory" />
<TextView
android:id="@+id/txtViewFrequency"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_marginTop="5dp"
android:text="@string/expense_frequency"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/spnCategory" />
<Spinner
android:id="@+id/spnFrequency"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewFrequency" />
<TextView
android:id="@+id/txtViewExpenseDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:text="@string/expense_date"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/spnFrequency" />
<EditText
android:id="@+id/txtExpenseDateValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="date"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpenseDate" />
<Button
android:id="@+id/btnExpenseDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="5dp"
android:text="Button"
app:layout_constraintHorizontal_bias="0.509"
app:layout_constraintLeft_toRightOf="@+id/txtExpenseDateValue"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpenseDate" />
<Button
android:id="@+id/btnRegister"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="5dp"
android:text="Button"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtExpenseDateValue" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
<com.baoyz.swipemenulistview.SwipeMenuListView
android:id="@+id/listViewExpense"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginBottom="10dp"
android:layout_marginTop="5dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/myScrollView" />
</android.support.constraint.ConstraintLayout>
Any one can help me? Thx o/
Solution
Change the outer ConstraintLayout to LinearLayout. Then you have to set the layout weight to ScrollView and ListView. Layout weight will be 1 for these two views. So that, these views can be equally divided into the screen. This will be the updated code:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ScrollView
android:id="@+id/myScrollView"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<TextView
android:id="@+id/txtViewExpense"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="10dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<EditText
android:id="@+id/txtExpenseValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="textPersonName"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpense" />
<TextView
android:id="@+id/txtViewPrice"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtExpenseValue" />
<EditText
android:id="@+id/txtViewPriceValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="number"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewPrice" />
<TextView
android:id="@+id/txtViewCategory"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_marginTop="10dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewPriceValue" />
<Spinner
android:id="@+id/spnCategory"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="10dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewCategory" />
<TextView
android:id="@+id/txtViewFrequency"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginStart="10dp"
android:layout_marginTop="5dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/spnCategory" />
<Spinner
android:id="@+id/spnFrequency"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewFrequency" />
<TextView
android:id="@+id/txtViewExpenseDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/spnFrequency" />
<EditText
android:id="@+id/txtExpenseDateValue"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:ems="10"
android:inputType="date"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpenseDate" />
<Button
android:id="@+id/btnExpenseDate"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="5dp"
android:text="Button"
app:layout_constraintHorizontal_bias="0.509"
app:layout_constraintLeft_toRightOf="@+id/txtExpenseDateValue"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtViewExpenseDate" />
<Button
android:id="@+id/btnRegister"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:layout_marginRight="8dp"
android:layout_marginTop="5dp"
android:text="Button"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toBottomOf="@+id/txtExpenseDateValue" />
</android.support.constraint.ConstraintLayout>
</ScrollView>
<com.baoyz.swipemenulistview.SwipeMenuListView
android:id="@+id/listViewExpense"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginBottom="10dp"
android:layout_marginTop="5dp"
android:layout_weight="1" />
</LinearLayout>
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