Android constraint layout barrier causing button cut at the end - android

I am using constraint layout Barrier and this is my layout -
<?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">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="abcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjkly"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="#+id/button"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="Button"
app:layout_constraintStart_toEndOf="#id/barrier"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Barrier
android:id="#+id/barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="end"
app:constraint_referenced_ids="textView" />
</androidx.constraintlayout.widget.ConstraintLayout>
This is what the resulting image looks like -


Based on the conversation on what exactly what the OP needs, constraint guideline will produce the intended result:
<?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">
<TextView
android:id="#+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:text="abcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjklyabcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjklyabcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjklyabcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjkly"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="#id/guideline"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="#+id/button"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="Button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="#id/guideline"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.8" />
</androidx.constraintlayout.widget.ConstraintLayout>
The above code produces the following if the text keeps growing, it ensures the button stays on the screen like the following:
If you don't want the button to be cut at the end & wrap instead, add an End constraint:
app:layout_constraintEnd_toEndOf="parent"
So your button xml should be like the following:
<Button
android:id="#+id/button"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="Button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#id/barrier"
app:layout_constraintTop_toTopOf="parent" />
The resulting output will be like this:
Now if you want otherwise, like the button would remain/retain its own size and the textview will not, then set the barrier direction to start instead of end & pass button as constraint referenced ids instead of textview like the following:
<android.support.constraint.Barrier
android:id="#+id/barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="start"
app:constraint_referenced_ids="button" />


I tried this way blow,and it works.
<?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">
<TextView
android:id="#+id/textView"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:text="abcdefghijklkkkkkkkkkkkfghjqwertzuiopasdfghhjkly"
app:layout_constraintEnd_toEndOf="#+id/barrier"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginLeft="16dp"
android:layout_marginTop="16dp"
android:text="Button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="#id/barrier"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Barrier
android:id="#+id/barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="end"
app:constraint_referenced_ids="textView" />
</androidx.constraintlayout.widget.ConstraintLayout>
like this

Related

Android Studio xml object over object

how can a put a TextView befor a Button in xml file? My textview always behind the button. I am in a constraintlayout. I want to make a little number in the top right corner of the button. I made a drawable for that, hat it looks nice.
It would be nice if someone could help! Thanks!!!
xml:
<?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:id="#+id/MainLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="at.kessapps.cookieclicker.MainActivity">
<TextView
android:id="#+id/clicker_discount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#drawable/sale_corner"
android:text="20%"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/shopbutton"
app:layout_constraintRight_toRightOf="#id/shopbutton"
app:layout_constraintTop_toTopOf="#id/shopbutton" />
<ImageView
android:id="#+id/imageView2"
android:layout_width="350dp"
android:layout_height="80dp"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.508"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/cooltext348859404219232" />
<Button
android:id="#+id/shopbutton"
style="#style/Widget.AppCompat.Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginBottom="16dp"
android:hapticFeedbackEnabled="false"
android:onClick="toShop"
android:text="Shop"
android:drawableLeft="#drawable/ic_store"
android:textColor="#color/colorWhite"
android:paddingLeft="5dp"
android:background="#drawable/button_neutral_background"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent" />
<ImageView
android:id="#+id/onOption"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginStart="16dp"
android:layout_marginBottom="16dp"
android:onClick="toOption"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="#drawable/optionen" />
</androidx.constraintlayout.widget.ConstraintLayout>
here a picture

Please use this layout to put the TextView on top of Button view:
You need to add android:translationZ="10dp" in TextView
<?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:id="#+id/MainLayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="at.kessapps.cookieclicker.MainActivity">
<TextView
android:id="#+id/clicker_discount"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:translationZ="10dp"
android:background="#drawable/sale_corner"
android:text="20%"
android:textStyle="bold"
app:layout_constraintBottom_toTopOf="#+id/shopbutton"
app:layout_constraintRight_toRightOf="#id/shopbutton"
app:layout_constraintTop_toTopOf="#id/shopbutton" />
<ImageView
android:id="#+id/imageView2"
android:layout_width="350dp"
android:layout_height="80dp"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.508"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="#drawable/cooltext348859404219232" />
<Button
android:id="#+id/shopbutton"
style="#style/Widget.AppCompat.Button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginBottom="16dp"
android:hapticFeedbackEnabled="false"
android:onClick="toShop"
android:text="Shop"
android:drawableLeft="#drawable/ic_store"
android:textColor="#color/colorWhite"
android:paddingLeft="5dp"
android:background="#drawable/button_neutral_background"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent" />
<ImageView
android:id="#+id/onOption"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_marginStart="16dp"
android:layout_marginBottom="16dp"
android:onClick="toOption"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:srcCompat="#drawable/optionen" />
</androidx.constraintlayout.widget.ConstraintLayout>

Layout gets cropped on round chin

The layout below gets cropped on a round chin Wear device. The round chin Wear device only displays the first TextView.
<?xml version="1.0" encoding="utf-8"?>
<android.support.wear.widget.BoxInsetLayout xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/lytLoginMain"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:boxedEdges="all">
<TextView
android:id="#+id/lblDlgLogoutTitle"
style="#style/Title"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginEnd="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Hi Employee #1" />
<TextView
android:id="#+id/lblDlgLogoutMessage"
style="#style/Details"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:background="#color/colorAccent"
android:gravity="center_horizontal"
android:text="#string/logout_msg"
android:textColor="#color/black"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/lblDlgLogoutTitle" />
</android.support.constraint.ConstraintLayout>
</android.support.wear.widget.BoxInsetLayout>
But my layout which got a ScrollView that contains a ConstraintLayout that contains 3 TextView and 2 EditText is displayed properly.
Both layouts are used for an AlertDialog and I don't know what is wrong with my layout.
UPDATE:
I tried to insert a new TextView under the second TextView and the second TextView got displayed now but the new TextView is not visible though.
<?xml version="1.0" encoding="utf-8"?>
<android.support.wear.widget.BoxInsetLayout xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="#+id/lytLogoutMain"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
app:boxedEdges="all">
<TextView
android:id="#+id/lblDlgLogoutTitle"
style="#style/Title"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="Hi Ricky Manalo" />
<TextView
android:id="#+id/lblDlgLogoutMessage"
style="#style/Details"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="16dp"
android:layout_marginEnd="16dp"
android:gravity="center_horizontal"
android:text="#string/logout_msg"
android:textColor="#color/black"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/lblDlgLogoutTitle" />
<TextView
android:id="#+id/textView4"
android:layout_width="wrap_content"
android:layout_height="50dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:text="TextView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/lblDlgLogoutMessage" />
</android.support.constraint.ConstraintLayout>
</android.support.wear.widget.BoxInsetLayout>

Have you tried android:fitsSystemWindows="true" ?
More here:
https://developer.android.com/training/wearables/ui/layouts

Using #promanowicz's answer and increasing the marginTop and marginBottom of the message's TextView, I was able to display the full message TextView.
This is my final code.
<TextView
android:id="#+id/lblDlgLogoutMessage"
style="#style/Details"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="32dp"
android:layout_marginEnd="16dp"
android:layout_marginBottom="32dp"
android:fitsSystemWindows="true"
android:gravity="center_horizontal"
android:text="#string/logout_msg"
android:textColor="#color/black"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/lblDlgLogoutTitle" />

How to keep my Right item right when the constraints item on the left is gone (Constraint Layout)

I have a code as below
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="#+id/left_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Left"
android:textColor="#F40"
android:textSize="26sp"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<TextView
android:id="#+id/right_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Right"
android:textColor="#F40"
android:textSize="26sp"
android:fontFamily="serif-monospace"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="#id/left_text"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</android.support.constraint.ConstraintLayout>
It looks like below.
However, at times I need to set left_text to gone. But I still want my Right to be at the right side of the screen. How could I achieve that?
(Currently when left_text is gone, my Right went to middle as per picture below)

I manage to solve it by setting my width="0dp" and android:textAlignment="viewStart" or android:textAlignment="viewEnd"
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="#+id/left_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Left"
android:textColor="#F40"
android:textSize="26sp"
android:textAlignment="viewStart"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
<TextView
android:id="#+id/right_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Right"
android:textColor="#F40"
android:textSize="26sp"
android:textAlignment="viewEnd"
android:fontFamily="serif-monospace"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintStart_toEndOf="#id/left_text"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"/>
</android.support.constraint.ConstraintLayout>
The width="0dp" will take up the entire space

You need to use Barriers
Try this
<?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">
<TextView
android:id="#+id/left_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="Left"
android:textColor="#F40"
android:textSize="26sp"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Barrier
android:id="#+id/barrier2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:constraint_referenced_ids="left_text"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:barrierDirection="end" />
<TextView
android:id="#+id/right_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif-monospace"
android:text="Right"
android:textColor="#F40"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
OUTPUT When both textview is Visible
OUTPUT When Visibility Gone of left_text
UPDATE
<?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">
<TextView
android:id="#+id/left_text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="LeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeftLeft"
android:textColor="#F40"
android:textSize="26sp"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Barrier
android:id="#+id/barrier2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:constraint_referenced_ids="left_text"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:barrierDirection="end" />
<TextView
android:id="#+id/right_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif-monospace"
android:text="Right"
android:textColor="#3F51B5"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
OUTPUT When both textview is Visible
OUTPUT When Visibility Gone of left_text

You can achieve this using Guideline. check example below
<TextView
android:id="#+id/left_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Left"
android:textColor="#F40"
android:textSize="26sp"
android:visibility="gone"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#id/guideline10"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/right_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:fontFamily="serif-monospace"
android:text="Right"
android:textColor="#F40"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#id/guideline10"
app:layout_constraintTop_toTopOf="parent" />
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline10"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.50" />

My answer is similar to #Basi but I want to give extra information from my perspective:
When you work with guidelines and put your view width to wrap_content what may happen is that your view will overlap your guideline like this :
So my recommendation is to constraint both side of your view and set its width to 0dp (match_constraints ) and by doing it your view will fit into its bounds and your guideline won't overlap your view, then this will look like this now :
So if you want to use guidelines as in #Basi you better use 0dp on your width:
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent">
<androidx.constraintlayout.widget.Guideline
android:id="#+id/guideline10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:orientation="vertical"
app:layout_constraintGuide_percent="0.5" />
<TextView
android:id="#+id/textView10"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:text="Right"
android:textColor="#F40"
android:textAlignment="textEnd"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="#+id/guideline10"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/textView11"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:text="Left"
android:textColor="#F40"
android:textAlignment="textStart"
app:layout_constraintEnd_toStartOf="#+id/guideline10"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
It will look like this :

You can also use SequenceLayout to make it work.
<Sequences>
<Horizontal>
<Span id="#id/left_text" size="wrap"/>
<Span size="1w"/>
<Span id="#id/right_text" size="wrap"/>
</Horizontal>
</Sequences>

I tried your code and I am curious, why do you use constraint from Left to Right and from Right to Left?
There is no need for them. If you delete those constraints you have no problem.
Just to make things clear for setting view's position you need just one horizontal and one vertical constraint.

You need bias for both TextView in Constraint Layout and app:layout_constraintStart_toStartOf="parent" of another TextView.
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="#+id/left_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Left"
android:textColor="#F40"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toStartOf="#id/right_text"
app:layout_constraintHorizontal_bias="0.0"
app:layout_constraintHorizontal_chainStyle="spread_inside"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/right_text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginLeft="8dp"
android:fontFamily="serif-monospace"
android:text="Right"
android:textColor="#F40"
android:textSize="26sp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="1.0"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</android.support.constraint.ConstraintLayout>

Problem with multiple horizontal barriers in ConstraintLayout

I'm banging my head against the barriers of ConstraintLayout (sorry for the pun...)
Here's what I would like to accomplish:
Place a label and an edittext in the "first row". Align their centers vertically. Add a horizontal barrier referencing those two UI elements below them.
Add two buttons in a second row, one left aligned, one right aligned. Have another barrier below those two.
Let a RecyclerView fill all the space below the second barrier.
So here's my attempt at a layout file:
<?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:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView"
android:layout_marginBottom="8dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="#+id/editText"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toTopOf="#id/top_barrier"
app:layout_constraintVertical_bias=".5"
/>
<EditText
android:id="#+id/editText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:inputType="textPersonName"
android:text="Name"
app:layout_constraintStart_toEndOf="#id/textView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toTopOf="#id/top_barrier"
app:layout_constraintVertical_bias=".5"
/>
<android.support.constraint.Barrier
android:id="#+id/top_barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
app:constraint_referenced_ids="textView,editText" />
<!-- Try to cut from here..... -->
<ImageButton
android:id="#+id/imageButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/button"
app:layout_constraintHorizontal_bias="1"
app:layout_constraintTop_toBottomOf="#+id/top_barrier"
app:srcCompat="#android:drawable/btn_star" />
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:text="Button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/top_barrier"
/>
<android.support.constraint.Barrier
android:id="#+id/lowerBarrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
app:constraint_referenced_ids="imageButton,button" />
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginTop="8dp"
app:layout_constraintTop_toTopOf="#+id/lowerBarrier"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toBottomOf="parent"
/>
<!-- ..... to here. -->
</android.support.constraint.ConstraintLayout>
Problem is, that the first barrier moves up, as soon as I add something below it. It seems to move to the bottom of the smaller UI element, which seems a bit nonsensical to me.
The layout without the elements between the comments looks like this:
It stops working when I add the elements between the comments:
I'd be very happy, if you could explain what I'm doing wrong.
Cheers
EDIT:
Interestingly enough, I can get a little further by defining the buttons in the second row in reversed order.
But adding a second barrier below those two once again destroys the layout...
<?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:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="TextView"
android:layout_marginBottom="8dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintEnd_toStartOf="#+id/editText"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toTopOf="#id/top_barrier"
app:layout_constraintVertical_bias=".5"
/>
<EditText
android:id="#+id/editText"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:inputType="textPersonName"
android:text="Name"
app:layout_constraintStart_toEndOf="#id/textView"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintBottom_toTopOf="#id/top_barrier"
app:layout_constraintVertical_bias=".5"
/>
<android.support.constraint.Barrier
android:id="#+id/top_barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
app:constraint_referenced_ids="textView,editText" />
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:text="Button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/top_barrier"
/>
<ImageButton
android:id="#+id/imageButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/button"
app:layout_constraintHorizontal_bias="1"
app:layout_constraintTop_toBottomOf="#+id/top_barrier"
app:srcCompat="#android:drawable/btn_star" />
</android.support.constraint.ConstraintLayout>

Imho I don't see anything wrong in Your code.
<?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:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="#+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Name:"
app:layout_constraintBaseline_toBaselineOf="#+id/editText"
app:layout_constraintStart_toStartOf="parent" />
<EditText
android:id="#+id/editText"
android:layout_width="0dp"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="#+id/textView"
tools:text="John Smith" />
<android.support.constraint.Barrier
android:id="#+id/top_barrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
app:constraint_referenced_ids="textView,editText" />
<Button
android:id="#+id/button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/top_barrier" />
<ImageButton
android:id="#+id/imageButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toBottomOf="#+id/top_barrier"
app:srcCompat="#android:drawable/btn_star" />
<android.support.constraint.Barrier
android:id="#+id/lowerBarrier"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
app:barrierDirection="bottom"
app:constraint_referenced_ids="button,imageButton" />
<android.support.v7.widget.RecyclerView
android:layout_width="match_parent"
android:layout_height="0dp"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="#+id/lowerBarrier" />
<!-- ..... to here. -->
</android.support.constraint.ConstraintLayout>
Preview:
I've changed only constraintVertical_bias for constraintBaseline_toBaselineOf.

ConstraintLayout how to pack keeping the same ratios of distance

I have a layout that exceeds the view boundaries after applying all the margins I'm looking for. I read that applying a chain will make it keep the same ratios while packing all the elements inside the view boundaries.
<?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:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="#+id/Texto2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="dsadsadsadsadasd"
app:layout_constraintTop_toBottomOf="#+id/texto1" />
<TextView
android:id="#+id/texto1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="gggggg" />
<ImageView
android:id="#+id/img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/tut_first_img"
app:layout_constraintTop_toBottomOf="#+id/Texto2" />
<Button
android:id="#+id/botao"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ggggggggggggggggggggg"
app:layout_constraintTop_toBottomOf="#+id/img" />
</android.support.constraint.ConstraintLayout>
This is what's happening without margins after all margins applied it will exceed the view screen. How can I compact it while keeping the ratios? Also, how can I center all views in a vertical line?

Here is the code as per your use case, pls. check:
<?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"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#00ff00">
<TextView
android:id="#+id/Texto2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="dsadsadsadsadasd"
app:layout_constraintBottom_toTopOf="#+id/img"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/texto1" />
<TextView
android:id="#+id/texto1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="gggggg"
app:layout_constraintBottom_toTopOf="#+id/Texto2"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#drawable/common_full_open_on_phone"
app:layout_constraintBottom_toTopOf="#+id/botao"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Texto2" />
<Button
android:id="#+id/botao"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ggggggggggggggggggggg"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/img" />
</android.support.constraint.ConstraintLayout>
I hope it helps you, looking forward if any further help is required from my end.
Screenshot:

Try this:
<?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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".MainActivity">
<TextView
android:id="#+id/Texto2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:text="dsadsadsadsadasd"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/texto1" />
<TextView
android:id="#+id/texto1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:text="gggggg"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<ImageView
android:id="#+id/img"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:src="#mipmap/ic_launcher"
app:layout_constraintBottom_toTopOf="#+id/botao"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/Texto2" />
<Button
android:id="#+id/botao"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:text="ggggggggggggggggggggg"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
</android.support.constraint.ConstraintLayout>
Just copy paste it and let me know if it works.

I hope that the below mentioned code helps you in achieving your desired layout.
<?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"
android:background="#android:color/holo_blue_bright"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:id="#+id/Texto2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="dsadsadsadsadasd"
app:layout_constraintBottom_toTopOf="#id/texto1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="spread" />
<TextView
android:id="#+id/texto1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="gggggg"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/Texto2"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toTopOf="#id/img" />
<ImageView
android:id="#+id/img"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:src="#android:drawable/sym_def_app_icon"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/texto1"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toTopOf="#id/botao" />
<Button
android:id="#+id/botao"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="ggggggggggggggggggggg"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#id/img"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintBottom_toBottomOf="parent" />
</android.support.constraint.ConstraintLayout>
Screenshot (of the UI achieved by the above code):
The chain symbol (right most symbol; below the first view in the layout) can be used to toggle and thus apply different chain styles (as per your need), if you aren't familiar with ConstraintLayout.

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