Embed PartCanvasView as part of a layout.

app/build.gradle

@@ -27,4 +27,5 @@ dependencies {
     implementation 'com.android.support:appcompat-v7:25.4.0'
     testImplementation 'junit:junit:4.12'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    implementation 'com.android.support:design:25.4.0'
 }

app/src/main/AndroidManifest.xml

@@ -13,8 +13,6 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
-
-
         <activity android:name=".TestActivity">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/com/codigoparallevar/minicards/PartCanvasView.java

@@ -6,6 +6,7 @@ import android.graphics.Color;
 import android.graphics.Paint;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.util.AttributeSet;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
@@ -21,13 +22,9 @@ import org.json.JSONException;
 import org.json.JSONObject;
 
 import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.FileReader;
 import java.io.IOException;
-import java.io.OutputStream;
-import java.io.UnsupportedEncodingException;
 import java.util.ArrayList;
 
 class PartCanvasView extends View {
@@ -53,6 +50,15 @@ class PartCanvasView extends View {
 
     public PartCanvasView(Context context) {
         super(context);
+        init();
+    }
+
+    public PartCanvasView(Context context, AttributeSet attr){
+        super(context, attr);
+        init();
+    }
+
+    private void init() {
         this.setBackgroundColor(Color.rgb(4, 69, 99));
 
         if (!loadState()){

app/src/main/java/com/codigoparallevar/minicards/TestActivity.java

@@ -1,9 +1,12 @@
 package com.codigoparallevar.minicards;
 
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
 import android.support.v7.app.ActionBar;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.MotionEvent;
+import android.view.View;
 
 public class TestActivity extends AppCompatActivity {
 
@@ -20,8 +23,18 @@ public class TestActivity extends AppCompatActivity {
         }
 
         // Use controled canvas
-        partCanvasView = new PartCanvasView(this);
-        setContentView(partCanvasView);
+        setContentView(R.layout.activity_test);
+
+        partCanvasView = (PartCanvasView) findViewById(R.id.canvasView);
+        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+        fab.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                        .setAction("Action", null).show();
+            }
+        });
+
     }
 
     @Override

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

@@ -1,18 +1,40 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<android.support.design.widget.CoordinatorLayout 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="com.codigoparallevar.minicards.TestActivity">
+    tools:context="com.codigoparallevar.minicards.parts.buttons.MainActivity">
 
-    <TextView
+    <!--
+    <android.support.design.widget.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <android.support.v7.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </android.support.design.widget.AppBarLayout>
+    -->
+
+    <com.codigoparallevar.minicards.PartCanvasView
+        android:id="@+id/canvasView"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <!-- include layout="@layout/content_main" / -->
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/fab"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/fab_margin"
+        app:srcCompat="@android:drawable/ic_dialog_email" />
 
-</android.support.constraint.ConstraintLayout>
+</android.support.design.widget.CoordinatorLayout>

app/src/main/res/values/dimens.xml

@@ -0,0 +1,3 @@
+<resources>
+    <dimen name="fab_margin">16dp</dimen>
+</resources>

build.gradle

@@ -7,7 +7,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.0.0-alpha4'
+        classpath 'com.android.tools.build:gradle:3.0.0-alpha5'
         
 
         // NOTE: Do not place your application dependencies here; they belong