Add an element outside a ConstraintLayout for my adapter - java

I'm trying to display cool dot when I want to notify new items. When i set negative margin or translation, the dot is cut, theses littles ilustration will make things a lot clearer:
What i want :
What I get :
Here's my layout 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:layout_width="match_parent"
android:layout_height="240dp"
android:layout_margin="10dp"
android:layout_marginBottom="20dp"
android:layout_gravity="center_horizontal"
android:elevation="1dp"
android:background="#drawable/bg_element_list"
android:foreground="#drawable/effect_ripple"
android:clickable="true"
android:focusable="true">
<ImageView
android:id="#+id/file_img"
android:layout_width="fill_parent"
android:layout_height="210dp"
android:paddingTop="10dp"
android:paddingBottom="5dp"
android:src="#drawable/ic_pdf"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent" />
<TextView
android:id="#+id/file_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingStart="20sp"
android:paddingEnd="20sp"
android:scrollHorizontally="true"
android:singleLine="true"
android:text="teeeeeeeeeeeeeeeeeeeeeeeeeeeeeest"
android:textAlignment="center"
android:textColor="#color/dark_grey"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/file_img" />
<ImageView
android:id="#+id/file_new"
android:layout_width="50dp"
android:layout_height="50dp"
android:src="#drawable/ic_newfile"
android:translationY="-22dp"
android:translationX="22dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>
Someone have an idea?
Thanks


Try this with your parameter's
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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="wrap_content">
<androidx.cardview.widget.CardView
android:id="#+id/profileCard"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:layout_margin="10dp"
app:cardCornerRadius="4dp"
app:cardElevation="4dp"
app:cardUseCompatPadding="false">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center_horizontal"
android:orientation="vertical">
<androidx.appcompat.widget.AppCompatImageView
android:layout_width="match_parent"
android:layout_height="210dp"
android:scaleType="fitXY"
android:src="#mipmap/ic_launcher" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="5dp"
android:text="teeeeeeeeeeeeeeeeeeeeeeeeeeeeeest"
android:textColor="#727272"
android:textSize="20sp" />
</LinearLayout>
</androidx.cardview.widget.CardView>
<androidx.appcompat.widget.AppCompatImageView
android:id="#+id/userImageProfile"
android:layout_width="50dp"
android:layout_height="50dp"
android:layout_alignEnd="#+id/profileCard"
android:layout_marginEnd="-15dp"
android:elevation="8dp"
android:src="#mipmap/ic_launcher"
app:tint="#color/black" />
</RelativeLayout>


On the ConstraintLayout, set
android:clipChildren="false"
This will allow the ImageView to draw outside the ConstraintLayout. See the documentation.


If you use padding on the layout instead of layout_margin, and set clipToPadding as false, things will be able to draw within the padding area. Margin is really for required space outside of the View, padding is space inside it (where it draws its contents)

Related

Square GridLayout with square children (side=parent width)

I am trying to make a square Grid-layout(nested in a Constraint-layout), with all the sides equal to parent width, so that with any device, the user will have the biggest possible square on his screen.
Then I would like to have another four squares in that first square, which will be Linear-layouts with a background image, that will stretch according to the Grid-layout cell size.
Ideally, I would like to do this in XML. I am a beginner in android and excuse my maybe obvious question and mistakes in the following code, but I have been spending an awful amount of time on this, without progress. Any help is appreciated.
Below is my main.xml, where the cells have fixed dimensions. I tried messing with weight and gravity, but was unsuccessful. Just wondering if there is a simple way of making this code do what I want.
<?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"
android:orientation="horizontal">
<GridLayout
android:id="#+id/foursquares"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:columnCount="8"
android:orientation="vertical"
android:rowCount="8"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent">
<LinearLayout
android:id="#+id/a1"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_row="0"
android:layout_rowSpan="1"
android:layout_column="0"
android:layout_columnSpan="1"
android:background="#drawable/blacksquare"
android:orientation="horizontal"></LinearLayout>
<LinearLayout
android:id="#+id/a2"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_row="0"
android:layout_rowSpan="1"
android:layout_column="1"
android:layout_columnSpan="1"
android:background="#drawable/whitesquare"
android:orientation="horizontal"></LinearLayout>
<LinearLayout
android:id="#+id/a3"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_row="1"
android:layout_rowSpan="1"
android:layout_column="0"
android:layout_columnSpan="1"
android:background="#drawable/whitesquare"
android:orientation="horizontal"></LinearLayout>
<LinearLayout
android:id="#+id/a4"
android:layout_width="100dp"
android:layout_height="100dp"
android:layout_row="1"
android:layout_rowSpan="1"
android:layout_column="1"
android:layout_columnSpan="1"
android:background="#drawable/blacksquare"
android:orientation="horizontal"></LinearLayout>
</GridLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

The main advantage of ConstraintLayout is allows you to make large and complex layouts with a flat view hierarchy. No nested view groups like inside RelativeLayout or LinearLayout etc. You can make Responsive UI for android using ConstraintLayout and its more flexible compare to RelativeLayout and Grid Layout.
ConstraintLayout allowing you to easily constrain any view to a percentage width or height. So i edited your code little bit. Have a look brother, hope this would help you.
<?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"
android:orientation="horizontal"
android:padding="16dp">
<LinearLayout
android:id="#+id/a1"
android:layout_width="0dp"
app:layout_constraintWidth_percent=".48"
android:layout_height="0dp"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:padding="8dp"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:id="#+id/a2"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent=".48"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintTop_toTopOf="parent"
android:padding="8dp"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:id="#+id/a3"
android:layout_width="0dp"
app:layout_constraintWidth_percent=".48"
android:layout_height="0dp"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/a1"
android:layout_marginTop="16dp"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:id="#+id/a4"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent=".48"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
app:layout_constraintEnd_toEndOf="parent"
android:layout_marginTop="16dp"
app:layout_constraintTop_toBottomOf="#id/a2"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:id="#+id/a5"
android:layout_width="0dp"
app:layout_constraintWidth_percent=".48"
android:layout_height="0dp"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
android:layout_marginTop="16dp"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/a3"
android:orientation="horizontal">
</LinearLayout>
<LinearLayout
android:id="#+id/a6"
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintWidth_percent=".48"
app:layout_constraintHeight_percent=".3"
android:background="#drawable/blacksquare"
app:layout_constraintEnd_toEndOf="parent"
android:layout_marginTop="16dp"
app:layout_constraintTop_toBottomOf="#id/a4"
android:orientation="horizontal">
</LinearLayout>
</androidx.constraintlayout.widget.ConstraintLayout>

how can get red of empty space inside CardView?

Dear Android Developers I am a creating cv Android app but there are empty after TextView inside CardView how can I get rid of that space
below my xml code where I have implemented CardView as parent child as LinearLayout.
<?xml version="1.0" encoding="utf-8"?>
<android.support.v7.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
card_view:cardCornerRadius="0dp"
card_view:cardPreventCornerOverlap="true"
card_view:cardUseCompatPadding="true">
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ImageView
android:id="#+id/imageView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="30dp"
android:scaleType="centerCrop" />
<Space
android:layout_width="50dp"
android:layout_height="20dp" />
<TextView
android:id="#+id/about"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginRight="250dp"
android:gravity="center"
android:text="#string/about_me"
android:textSize="16sp"
android:textStyle="bold" />
<TextView
android:id="#+id/introduction"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="16dp"
android:gravity="start" />
</LinearLayout>
</android.support.v7.widget.CardView>

Change layout height of card view to match_parent

reduce marginTop of your text View remove the Space tag also and also reduce margin of your imageView

use this attributes in your cardview you can see the difference
your card do not have elevation and radius and that card view merge to the activity that's why it showing like a space after text use this in your card view:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:card_view="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_margin="8dp">
<android.support.v7.widget.CardView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
card_view:cardCornerRadius="8dp"
card_view:cardElevation="6dp"
android:elevation="4dp">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="8dp"
android:orientation = "vertical">
<ImageView
android:id="#+id/imageView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_margin="30dp"
android:scaleType="centerCrop" />
<TextView
android:id="#+id/about"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"
android:layout_marginRight="250dp"
android:gravity="center"
android:text="#string/about_me"
android:textSize="16sp"
android:textStyle="bold" />
<TextView
android:id="#+id/introduction"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="16dp"
android:gravity="start" />
</LinearLayout>
</android.support.v7.widget.CardView>
</RelativeLayout>

RecyclerView Item Template

I have been struggeling the last 2 hours to get the layout of an RecycleView working the way I want it to. Basically all I want is that three items of the RecycleView fit onto one screen width, like this: Example
Where each of the boxes contains the image.
This is what it currently produces:
Current State
This is what I got:
listitem.xml:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_margin="1dp">
<android.support.v7.widget.CardView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
app:cardCornerRadius="4dp"
app:cardMaxElevation="2dp"
app:cardElevation="1dp"
android:layout_centerInParent="true"
android:weightSum="3">
<GridLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:columnCount="4"
android:rowCount="5"
android:layout_weight="1">
<ImageView
android:layout_column="0"
android:layout_columnSpan="4"
android:layout_row="0"
android:layout_rowSpan="5"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:scaleType="centerCrop"
android:id="#+id/image_view"
android:src="#drawable/ic_launcher_background"/>
<Space
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_row="0"
android:layout_column="0"
android:layout_columnWeight="4"
android:layout_rowWeight="2"
android:layout_gravity="center" />
<CustomFontTextView
android:layout_row="3"
android:layout_rowSpan="1"
android:layout_column="0"
android:layout_columnSpan="4"
android:layout_gravity="left"
android:gravity="left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Canada"
android:id="#+id/name"
android:textColor="#fff"
android:layout_marginLeft="20dp"
android:textSize="20dp"
android:autoSizeTextType="uniform"
android:autoSizeMinTextSize="24dp"
android:autoSizeMaxTextSize="48dp"/>
<Space
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_row="3"
android:layout_column="0"
android:layout_columnWeight="4"
android:layout_rowWeight="2"
android:layout_gravity="center" />
<CustomFontTextView
android:layout_row="4"
android:layout_rowSpan="1"
android:layout_column="0"
android:layout_columnSpan="4"
android:layout_gravity="left"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Canada"
android:gravity="left"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:id="#+id/description"
android:layout_marginTop="10dp"
android:textColor="#8Fffffff"
android:layout_marginBottom="10dp"
android:autoSizeTextType="uniform"
android:textSize="16dp"
android:autoSizeMinTextSize="18dp"
android:autoSizeMaxTextSize="24dp"/>
</GridLayout>
</android.support.v7.widget.CardView>
</RelativeLayout>
And the activity:
<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="activities.MainActivity"
android:background="#f2f2f2">
<android.support.v7.widget.RecyclerView
android:layout_marginTop="100dp"
android:layout_marginBottom="100dp"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:id="#+id/recyclerView"
android:orientation="horizontal">
</android.support.v7.widget.RecyclerView>
</android.support.constraint.ConstraintLayout>
That is almost what I wanted but the items are now sized based on the length of the description. Instead I want the description to wrap if needed. Can someone elaborate on why this is happening an how to fix it?

why this is happening
You set the width of the RelativeLayout as wrap content. It makes the widh wrapped to the content as the name suggest.
How to fix it
You have to change it to a fixed value, say 200dp.
Here are some other things I have noticed in the provided layout:
You should consider using "match_parent" instead of "fill_parent" because it is deprecated since API level 8.
layout_centerInParent="true" have no effect in the CardView because it is already filled to the parent
Remove the line weightSum="3" in the CardView because it won't work on RelativeLayout

Android create specifc Layout (only XML)

I am new to XML and wanted to create a simple start page of a game. First I startet with the Android Studio 3.0 Layout maker and came up to something like this(second image). The biggest problem is to get the 3 ImageButtons on the bottom right. After lots of trying and google I couldnt find the solution, is it eaven possible with just XML code?
In my case until now it looks like 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"
android:background="#color/colorPrimary"
tools:context="de.chipsapps.ca.identiti.MenuACT">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:orientation="vertical">
<ImageView
android:id="#+id/imageView"
android:layout_width="220dp"
android:layout_height="220dp"
android:layout_marginTop="30dp"
android:layout_marginBottom="30dp"
android:cropToPadding="false"
app:srcCompat="#drawable/logo" />
<Button
android:id="#+id/button"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="#drawable/buttons_style1"
android:textColor="#color/colorPrimaryFont"
android:paddingBottom="12dp"
android:paddingTop="12dp"
android:text="#string/play"
android:textSize="30sp" />
<Button
android:id="#+id/button2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="15dp"
android:textColor="#color/colorPrimaryFont"
android:background="#drawable/buttons_style1"
android:paddingBottom="12dp"
android:paddingTop="12dp"
android:text="#string/rate"
android:textSize="30sp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal">
<ImageButton
android:id="#+id/imageButton2"
android:layout_width="wrap_content"
android:layout_height="80dp"
android:layout_margin="15dp"
android:layout_weight="0.33"
android:adjustViewBounds="false"
android:background="#drawable/button_style2"
android:cropToPadding="false"
android:scaleType="centerInside"
app:srcCompat="#drawable/settings" />
<ImageButton
android:id="#+id/imageButton3"
android:layout_width="wrap_content"
android:layout_height="80dp"
android:layout_weight="0.33"
android:scaleType="centerInside"
android:layout_margin="15dp"
android:background="#drawable/button_style2"
app:srcCompat="#drawable/highscores" />
<ImageButton
android:id="#+id/imageButton4"
android:layout_width="wrap_content"
android:layout_height="80dp"
android:layout_weight="0.33"
android:scaleType="centerInside"
android:layout_margin="15dp"
android:background="#drawable/button_style2"
app:srcCompat="#drawable/share" />
</LinearLayout>
</LinearLayout>
Is it possible to get this with XML?
Hopefully someone can help :D
EDIT tryied 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"
android:background="#color/colorPrimary"
tools:context="de.chipsapps.ca.identiti.MenuACT">
<View
android:id="#+id/bigCircle"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="48dp"
android:background="#drawable/logo"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintWidth_percent=".5"/>
but that looks like that:

Here's how I would do it:
<?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="#color/green">
<View
android:id="#+id/bigCircle"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="48dp"
android:background="#drawable/circle"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintWidth_percent=".5"/>
<TextView
android:id="#+id/play"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="48dp"
android:paddingTop="6dp"
android:paddingBottom="6dp"
android:gravity="center"
android:textColor="#88ffffff"
android:textSize="24sp"
android:text="PLAY"
android:background="#color/green_dark"
app:layout_constraintTop_toBottomOf="#+id/bigCircle"
app:layout_constraintLeft_toLeftOf="#+id/bigCircle"
app:layout_constraintRight_toRightOf="#+id/bigCircle"/>
<TextView
android:id="#+id/rate"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginTop="6dp"
android:paddingTop="6dp"
android:paddingBottom="6dp"
android:gravity="center"
android:textColor="#88ffffff"
android:textSize="24sp"
android:text="RATE"
android:background="#color/green_dark"
app:layout_constraintTop_toBottomOf="#+id/play"
app:layout_constraintLeft_toLeftOf="#+id/bigCircle"
app:layout_constraintRight_toRightOf="#+id/bigCircle"/>
<ImageView
android:id="#+id/settings"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="6dp"
android:scaleType="center"
android:background="#drawable/circle"
app:layout_constraintTop_toBottomOf="#+id/rate"
app:layout_constraintLeft_toLeftOf="#+id/rate"
app:layout_constraintRight_toLeftOf="#+id/space1"
app:layout_constraintDimensionRatio="1:1"
app:srcCompat="#drawable/ic_settings_white_24dp"/>
<android.support.v4.widget.Space
android:id="#+id/space1"
android:layout_width="6dp"
android:layout_height="0dp"
app:layout_constraintLeft_toRightOf="#+id/settings"
app:layout_constraintRight_toLeftOf="#+id/trophy"/>
<ImageView
android:id="#+id/trophy"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="6dp"
android:scaleType="center"
android:background="#drawable/circle"
app:layout_constraintTop_toBottomOf="#+id/rate"
app:layout_constraintLeft_toRightOf="#+id/space1"
app:layout_constraintRight_toLeftOf="#+id/space2"
app:srcCompat="#drawable/ic_settings_white_24dp"
app:layout_constraintDimensionRatio="1:1"/>
<android.support.v4.widget.Space
android:id="#+id/space2"
android:layout_width="6dp"
android:layout_height="0dp"
app:layout_constraintLeft_toRightOf="#+id/trophy"
app:layout_constraintRight_toLeftOf="#+id/share"/>
<ImageView
android:id="#+id/share"
android:layout_width="0dp"
android:layout_height="0dp"
android:layout_marginTop="6dp"
android:scaleType="center"
android:background="#drawable/circle"
app:layout_constraintTop_toBottomOf="#+id/rate"
app:layout_constraintLeft_toRightOf="#+id/space2"
app:layout_constraintRight_toRightOf="#+id/rate"
app:srcCompat="#drawable/ic_settings_white_24dp"
app:layout_constraintDimensionRatio="1:1"/>
</android.support.constraint.ConstraintLayout>
And the circle background:
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="oval">
<solid android:color="#color/green_dark"/>
</shape>
Obviously you'll have to replace the images and colors with your real images and colors, and you'll probably want to adjust the spacing, but this should get you started.
The important parts of the solution are:
For the top circle view, use a percentage width and an aspect ratio in order to make it a perfect circle that doesn't fill the whole screen
android:layout_width="0dp"
android:layout_height="0dp"
app:layout_constraintDimensionRatio="1:1"
app:layout_constraintWidth_percent=".5"
For the bottom row of images, use the center scaleType so that the image isn't stretched to fill the whole view
android:scaleType="center"
Note: the app:layout_constraintWidth_percent attribute requires that you use version 1.1.0 of the constraint-layout support library.

Add margin to main LinearLayout like below.
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center"
android:layout_marginLeft="40dp"
android:layout_marginRight="40dp"
android:orientation="vertical">
...
</LinearLayout>

Remove both inner linear layouts. Use constraints to connect elements, and margins for places where You want distance between elements and borders.
If You want an element to take all available space, except for some space on the sides, give it width of 0dp and connect with constraints to both sides.
For more info on the topic, read this
https://developer.android.com/training/constraint-layout/index.html
Like, for instance, add this to buttons:
android:layout_marginEnd="30dp"
android:layout_marginStart="30dp"
Another example:
<Button
android:id="#+id/button2"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:layout_marginEnd="30dp"
android:layout_marginStart="30dp"
android:layout_marginTop="8dp"
android:text="Button"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="#+id/imageView"/>

How to align title,description and url in equal space

Here is a screenshot of layout as it currently appears on my screen:
Here is the xml code snippet for the layout:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/icon"
android:layout_width="110dp"
android:layout_height="110dp"
android:layout_alignParentRight="true"
android:layout_marginRight="-10dp" />
<TextView
android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:height="20dp"
android:fontFamily="Cabin-Regular"
android:paddingLeft="10dp"
android:textColor="#E35B5B"
android:textSize="14dp" />
<TextView
android:id="#+id/desc"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/title"
android:height="44dp"
android:fontFamily="Cabin-Regular"
android:paddingLeft="10dp"
android:paddingRight="100dp"
android:textColor="#2D2D2D"
android:textSize="16dp" />
<TextView
android:id="#+id/url_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/title"
android:layout_marginTop="50dp"
android:height="15dp"
android:paddingLeft="10dp"
android:paddingRight="80dp"
android:textColor="#BDBDBD"
android:textSize="10dp" />
</RelativeLayout>
Just want to have the three textviews properly aligned and have equal space among each other.

Here is your layout,
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ImageView
android:id="#+id/icon"
android:layout_width="110dp"
android:layout_height="110dp"
android:layout_alignParentRight="true"
android:layout_marginRight="-10dp" />
<LinearLayout
android:layout_width="match_parent"
android:layout_height="110dp"
android:layout_toLeftOf="#+id/icon"
android:orientation="vertical"
android:weightSum="3">
<TextView
android:id="#+id/title"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1"
android:fontFamily="Cabin-Regular"
android:gravity="center_vertical"
android:paddingLeft="10dp"
android:text="Title"
android:textColor="#E35B5B"
android:textSize="14dp" />
<TextView
android:id="#+id/desc"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_below="#+id/title"
android:layout_weight="1"
android:fontFamily="Cabin-Regular"
android:gravity="center_vertical"
android:paddingLeft="10dp"
android:text="Description"
android:textColor="#2D2D2D"
android:textSize="16dp" />
<TextView
android:id="#+id/url_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_below="#+id/title"
android:layout_weight="1"
android:gravity="center_vertical"
android:paddingLeft="10dp"
android:text="URL"
android:textColor="#BDBDBD"
android:textSize="10dp" />
</LinearLayout>
</RelativeLayout>

Pawan Thakur Use the same paddingLeft for all test and layoutBelow like below
<TextView
android:id="#+id/url_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="#+id/desc"
android:height="15dp"
android:paddingRight="80dp"
android:paddingLeft="10dp"
android:text="url"
android:textColor="#BDBDBD"
android:textSize="10dp" />

here is the code. Try maximum to use LinearLayout instead of Relative. Relative layout are used in cases where 2 or more elements have to be overlapped each other. Don't include every elements in a single layout. Divide your design into different sections, and use LinearLayout for each section and within each section, include elements belonging to that section.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_height="wrap_content"
android:layout_width="match_parent"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight=".25"
android:orientation="vertical"
>
<TextView
android:id="#+id/title"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="#E35B5B"
android:fontFamily="Cabin-Regular"
android:textSize="14dp"
android:layout_weight="0.33"
android:singleLine="true"
android:ellipsize="end"
android:gravity="center|left"
android:paddingLeft="10dp"
android:text="Google"
/>
<TextView
android:id="#+id/desc"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="#2D2D2D"
android:fontFamily="Cabin-Regular"
android:textSize="16dp"
android:layout_weight="0.33"
android:singleLine="true"
android:ellipsize="end"
android:gravity="center|left"
android:paddingLeft="10dp"
android:text="Google is a Search engine"
/>
<TextView
android:id="#+id/url_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="#+id/title"
android:textColor="#BDBDBD"
android:textSize="10dp"
android:layout_weight="0.33"
android:singleLine="true"
android:ellipsize="end"
android:gravity="center|left"
android:paddingLeft="10dp"
android:text="http://www.google.com"
/>
</LinearLayout>
<LinearLayout
android:layout_width="110dp"
android:layout_height="110dp"
>
<ImageView
android:id="#+id/icon"
android:layout_width="match_parent"
android:layout_height="match_parent"
/>
</LinearLayout>
</LinearLayout>

u can use a android:weight="" to child of relative layout

Create LinearLayout for title, description and url with vertical orientation and weightsum=3 in Layout and for each of them use width=wrap_content, height=0dp, weight=1.

Okey.. First remove android:height from each TextView and in last TextView you have set android:layout_marginTop="50 remove it.
Tip : Use LinearLayout if your want to show your all view vertically or horizontally. if you want to use RelativeLayout make sure you give margin and padding properly so they look good.

Use Linear layout as parent with weightsum and equally distribute weight amongs the child layouts. ex : If android:weightsum = "3" for parent then android:layout_weight = "1" for each child layout(if you want equal space for each one of the 3 child).
ps: dont forget to mention orientation for Linearlayout.

Just Check this,
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal">
<LinearLayout
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1
android:padding="10dp"
android:orientation="vertical">
<TextView
android:id="#+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#E35B5B"
android:fontFamily="Cabin-Regular"
android:textSize="14dp"
android:text="Google"/>
<TextView
android:id="#+id/desc"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="#2D2D2D"
android:fontFamily="Cabin-Regular"
android:textSize="16dp"
android:margin_top="5dp"
android:text="Google is a Search engine"/>
<TextView
android:id="#+id/url_view"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:textColor="#BDBDBD"
android:textSize="10dp"
android:margin_top="5dp"
android:text="http://www.google.com"/>
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<ImageView
android:id="#+id/icon"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:padding="10dp"/>
</LinearLayout>
</LinearLayout>

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