Try menu-deploying fab.

app/build.gradle

@@ -28,4 +28,5 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     implementation 'com.android.support.constraint:constraint-layout:1.0.2'
     implementation 'com.android.support:design:25.4.0'
+    compile 'com.getbase:floatingactionbutton:1.10.1'
 }

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

@@ -265,4 +265,9 @@ class CanvasView extends View {
         }
         return null;
     }
+
+    public void addPart(Part part) {
+        parts.add(part);
+        invalidate();
+    }
 }

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

@@ -1,5 +1,6 @@
 package com.codigoparallevar.minicards;
 
+import android.graphics.Canvas;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.Snackbar;
 import android.support.v7.app.ActionBar;
@@ -8,10 +9,16 @@ import android.os.Bundle;
 import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
+import android.widget.Button;
+
+import com.codigoparallevar.minicards.parts.buttons.RoundButton;
+import com.getbase.floatingactionbutton.AddFloatingActionButton;
 
 public class MainActivity extends AppCompatActivity {
 
     CanvasView canvasView;
+    com.getbase.floatingactionbutton.AddFloatingActionButton AddPartButton;
+    com.getbase.floatingactionbutton.FloatingActionButton SetDevModeButton;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -23,19 +30,29 @@ public class MainActivity extends AppCompatActivity {
             actionBar.hide();
         }
 
-        // Use controled canvas
         setContentView(R.layout.activity_main);
 
+        // Use manually controlled canvas
         canvasView = (CanvasView) findViewById(R.id.canvasView);
-        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
+
-        fab.setOnClickListener(new View.OnClickListener() {
+        // Set callbacks to fab buttons
+        AddPartButton = (com.getbase.floatingactionbutton.AddFloatingActionButton)
+                findViewById(R.id.add_part_button);
+        AddPartButton.setOnClickListener(new View.OnClickListener() {
             @Override
-            public void onClick(View view) {
+            public void onClick(View v) {
-                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
+                Snackbar.make(v, "Add part", Snackbar.LENGTH_SHORT).show();
-                        .setAction("Action", null).show();
             }
         });
 
+        SetDevModeButton = (com.getbase.floatingactionbutton.FloatingActionButton)
+                findViewById(R.id.set_developer_mode_button);
+        SetDevModeButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Snackbar.make(v, "Set dev mode", Snackbar.LENGTH_SHORT).show();
+            }
+        });
     }
 
     @Override

app/src/main/res/drawable/fab_label_background.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="@color/black_semi_transparent"/>
+    <padding
+        android:left="16dp"
+        android:top="4dp"
+        android:right="16dp"
+        android:bottom="4dp"/>
+    <corners
+        android:radius="2dp"/>
+</shape>

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

@@ -1,7 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.design.widget.CoordinatorLayout 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"
+    xmlns:fab="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     tools:context="com.codigoparallevar.minicards.MainActivity">
@@ -27,14 +29,41 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-    <!-- include layout="@layout/content_main" / -->
+    <com.getbase.floatingactionbutton.FloatingActionsMenu
-
-    <android.support.design.widget.FloatingActionButton
         android:id="@+id/fab"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_alignParentBottom="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentEnd="true"
+        android:layout_marginRight="16dp"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
         android:layout_gravity="bottom|end"
-        android:layout_margin="@dimen/fab_margin"
+        fab:fab_addButtonColorNormal="@color/white"
-        app:srcCompat="@android:drawable/ic_dialog_email" />
+        fab:fab_addButtonColorPressed="@color/white_pressed"
+        fab:fab_addButtonPlusIconColor="@color/half_black"
+        fab:fab_addButtonSize="mini"
+        fab:fab_labelStyle="@style/menu_labels_style"
+        fab:fab_labelsPosition="left">
+
+        <com.getbase.floatingactionbutton.FloatingActionButton
+            android:id="@+id/set_developer_mode_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            fab:fab_colorNormal="@color/white"
+            fab:fab_title="TBI: change to develop mode"
+            fab:fab_colorPressed="@color/white_pressed"/>
+
+        <com.getbase.floatingactionbutton.AddFloatingActionButton
+            android:id="@+id/add_part_button"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            fab:fab_plusIconColor="@color/half_black"
+            fab:fab_colorNormal="@color/white"
+            fab:fab_title="Add new part"
+            fab:fab_colorPressed="@color/white_pressed"/>
+
+    </com.getbase.floatingactionbutton.FloatingActionsMenu>
 
 </android.support.design.widget.CoordinatorLayout>

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

@@ -3,4 +3,14 @@
     <color name="colorPrimary">#066996</color>
     <color name="colorPrimaryDark">#044563</color>
     <color name="colorAccent">#b2ff59</color>
+
+    <color name="black_semi_transparent">#B2000000</color>
+    <color name="background">#e5e5e5</color>
+    <color name="half_black">#808080</color>
+    <color name="white">#fafafa</color>
+    <color name="white_pressed">#f1f1f1</color>
+    <color name="pink">#e91e63</color>
+    <color name="pink_pressed">#ec407a</color>
+    <color name="blue_semi_transparent">#805677fc</color>
+    <color name="blue_semi_transparent_pressed">#80738ffe</color>
 </resources>

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

@@ -8,4 +8,9 @@
         <item name="colorAccent">@color/colorAccent</item>
     </style>
 
+
+    <style name="menu_labels_style">
+        <item name="android:background">@drawable/fab_label_background</item>
+        <item name="android:textColor">@color/white</item>
+    </style>
 </resources>