Error inflating class android.support.design.widget.CoordinatorLayout

Question

I would like use a FloatingActionButton on my application, I read this : https://guides.codepath.com/android/Floating-Action-Buttons#google-s-official-support-library but wh

Answer 1

Add these dependencies into your gradle file. This may solve the problem in some cases.

dependencies {
   compile 'com.android.support:appcompat-v7:23.1.1'
   compile 'com.android.support:design:23.1.1'
   ...
}

Answer 2

For those using AndroidX Dependency

Along with changing dependencies, XML must also be changed.

from

<android.support.design.widget.CoordinatorLayout 

to

<androidx.coordinatorlayout.widget.CoordinatorLayout

Answer 3

I had the same error. Just change the project parent theme to

<style name="Base.AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">

or any other Theme.AppCompat*

Answer 4

Please put compile 'com.android.support:design:23.0.1' inside your project build.gradle file

Answer 5

Just use this line in FloatingActionButton (app instead of android):

app:backgroundTint="@color/colorAccent"

Answer 6

For Xamarin Developers:

(supports Android API 7 to 22+)

1. Make sure you have installed following components:
   • Android Support Design Library
   • Android Support Library v7 AppCompat
2. Make sure all NuGet packages for these components are installed and referenced. These are:
   • Xamarin.Android.Support.Design
   • Xamarin.Android.Support.v4
   • Xamarin.Android.Support.v7.AppCompat
   • Xamarin.Android.Support.v7.RecyclerView
3. Your Apps Activity should derive from Android.Support.V7.App.AppCompatActivity

4. Your used style has to be derived from a Theme.AppCompat.* style. So your Resources\values\styles.xml should look like this:

   <?xml version="1.0" encoding="utf-8"?>
   <resources>
       <style name="YourAppTheme" parent="Theme.AppCompat">
           <item name="colorPrimaryDark">#AB000D</item>
           <item name="colorPrimary">#E53935</item>
           <item name="colorAccent">#00B8D4</item>
       </style>
       <!-- other styles... -->
   </resources>
   

5. Also make sure you actually use the theme in your AndroidManifest.xml

   <application android:theme="@style/YourAppTheme"></application>