Android Tutorial => Adding ConstraintLayout to your project

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Example

To work with ConstraintLayout, you need Android Studio Version 2.2 or newer and have at least version 32 (or higher) of Android Support Repository.

Add the Constraint Layout library as a dependency in your build.gradle file:

dependencies {
   compile 'com.android.support.constraint:constraint-layout:1.0.2'
}

Sync project

To add a new constraint layout to your project:

Right-click on your module's layout directory, then click New > XML > Layout XML.
Enter a name for the layout and enter "android.support.constraint.ConstraintLayout" for the Root Tag.
Click Finish.

Otherwise just add in 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"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

</android.support.constraint.ConstraintLayout>

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