Added FAB to fragment_task_list.xml

app/build.gradle

@@ -39,6 +39,7 @@ dependencies {
     implementation 'com.android.support.constraint:constraint-layout:2.0.4'
     implementation "androidx.recyclerview:recyclerview:1.1.0"
     implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+    implementation 'com.google.android.material:material:1.0.0'
     testImplementation 'junit:junit:4.+'
     //androidTestImplementation 'com.android.support.test:runner:1.0.2'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'

app/src/main/res/layout/fragment_task_list.xml

@@ -15,14 +15,15 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <Button
-        android:id="@+id/button3"
+    <com.google.android.material.floatingactionbutton.FloatingActionButton
+        android:id="@+id/floatingActionButton"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_marginEnd="30dp"
         android:layout_marginBottom="30dp"
-        android:text="Button"
+        android:clickable="true"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        app:srcCompat="@drawable/ic_baseline_add_24" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
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