Make startup and mainmenu

app/src/main/AndroidManifest.xml

@@ -3,30 +3,42 @@
     xmlns:tools="http://schemas.android.com/tools"
     package="com.rubenvandeven.emotionhero">
 
-
+    <uses-permission android:name="android.permission.CAMERA" />
-    <uses-permission android:name="android.permission.CAMERA"  />
-
 
     <application
-        tools:replace="android:allowBackup,android:label"
         android:allowBackup="true"
+        android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
-        android:hardwareAccelerated="true">
+        tools:replace="android:allowBackup,android:label">
-
         <activity
             android:name=".GamingActivity"
             android:configChanges="orientation|keyboardHidden|screenSize"
             android:label="@string/app_name"
             android:theme="@style/FullscreenTheme">
+
+            <!-- <intent-filter> -->
+            <!-- <action android:name="android.intent.action.MAIN" /> -->
+
+
+            <!-- <category android:name="android.intent.category.LAUNCHER" /> -->
+            <!-- </intent-filter> -->
+        </activity>
+        <activity
+            android:name=".IntroActivity"
+            android:theme="@style/FullscreenTheme"
+            android:label="@string/app_name">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <activity android:name=".MenuActivity"
+            android:theme="@style/FullscreenTheme"
+            android:label="@string/app_name"></activity>
     </application>
 
 </manifest>

app/src/main/java/com/rubenvandeven/emotionhero/GamingActivity.java

@@ -42,7 +42,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
     public final static String INTENT_EXTRA_SCENARIO = "com.rubenvandeven.emotionhero.LEVEL";
 
     final static String LOG_TAG = "EmotionHero";
-    final static String PLAYERINFO_FILENAME = "playerinfo.json";
 
     final int PERMISSIONS_REQUEST_CAMERA = 1;
 
@@ -68,6 +67,7 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
     final static int SOUND_SCORE = 1;
 
+    protected Player player;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -77,6 +77,8 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
         setContentView(R.layout.activity_gaming);
 
+        player = Player.getInstance(getApplicationContext());
+
         Intent intent = getIntent();
         // first level is the default to load, if none is given to intent
         int scenarioLvlId = intent.getIntExtra(INTENT_EXTRA_SCENARIO, Scenario.SCENARIOS.get(0));
@@ -148,6 +150,7 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
 //        currentScenario = new ScenarioAnger(this);
         currentScenario = new Scenario(scenarioLvlId, this);
+
         currentScenario.init(); // "start the clock"...
 
         scenarioView = new ScenarioView(this, currentScenario);
@@ -178,10 +181,10 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             String permission = "android.permission.CAMERA";
             int res = getApplicationContext().checkCallingOrSelfPermission(permission);
             if (res == PackageManager.PERMISSION_GRANTED) {
-                Log.e(LOG_TAG, "HAS PERM");
+                Log.i(LOG_TAG, "Has camera permission");
                 has_camera_permission = true;
             } else {
-                Log.e(LOG_TAG, "NO PERM");
+                Log.i(LOG_TAG, "No camera permission");
                 ActivityCompat.requestPermissions(this,
                         new String[]{Manifest.permission.CAMERA},
                         PERMISSIONS_REQUEST_CAMERA);
@@ -242,11 +245,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             Face face = list.get(0);
             currentScenario.setCurrentFace(face);
             scenarioView.setCurrentAttributeScoresForFace(face);
-
-//            if(frame instanceof Frame.ByteArrayFrame)
-//            {
-//                Frame.ByteArrayFrame byteArrayFrame = (Frame.ByteArrayFrame) frame;
-//            }
         }
     }
 
@@ -342,37 +340,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         sound = new SoundPool(5, AudioManager.STREAM_MUSIC,0);
     }
 
-    public PlayerInfo getPlayerInfo() {
-        try{
-            FileInputStream fis = openFileInput(PLAYERINFO_FILENAME );
-            StringBuilder builder = new StringBuilder();
-            int ch;
-            while((ch = fis.read()) != -1){
-                builder.append((char)ch);
-            }
-            return PlayerInfo.fromJson(builder.toString());
-        } catch (IOException e) {
-            return new PlayerInfo();
-        }
-    }
-
-    public void savePlayerScore(Score score) {
-        PlayerInfo playerInfo = getPlayerInfo();
-        playerInfo.addScore(score);
-        savePlayerInfo(playerInfo);
-    }
-
-    public void savePlayerInfo(PlayerInfo playerInfo) {
-        try {
-            FileOutputStream fos = openFileOutput(PLAYERINFO_FILENAME, Context.MODE_PRIVATE);
-            fos.write(playerInfo.toJson().getBytes());
-            fos.close();
-        } catch(IOException e) {
-            // for now skip error
-            Log.e(LOG_TAG, "Could not save player information!");
-        }
-    }
-
     public void finishLevel() {
         setText("LEVEL ENDED");
         stopDetector();
@@ -381,7 +348,7 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             nextLvlButton.setVisibility(View.VISIBLE);
         }
 
-        PlayerInfo playerInfo = getPlayerInfo();
+        PlayerInfo playerInfo = player.getPlayerInfo();
         ScoreList scores = playerInfo.getScoresForLevel(currentScenario.id);
         Score score = currentScenario.getScore();
 
@@ -399,8 +366,15 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
         // show the highscores (top 3?)...
 
+        // check whether this is the highest reached level by the player
+        // ... used by 'continue' button in main menu
+        Scenario nextScenario = new Scenario(currentScenario.getNextLevelId(), this);
+        if(nextScenario.isHigherThen(playerInfo.reachedLevelId)) {
+            playerInfo.reachedLevelId = currentScenario.id;
+        }
+
         scores.add(score);
-        savePlayerInfo(playerInfo);
+        player.savePlayerInfo(playerInfo);
 
         String highscoreText = "TOPSCORES\n";
 

app/src/main/java/com/rubenvandeven/emotionhero/IntroActivity.java

@@ -0,0 +1,75 @@
+package com.rubenvandeven.emotionhero;
+
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.content.Intent;
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+public class IntroActivity extends AppCompatActivity {
+
+    protected Player player;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getSupportActionBar().hide();
+        setContentView(R.layout.activity_intro);
+
+        player = Player.getInstance(getApplicationContext());
+
+        int extraLogoDelay;
+        if(player.isNew()) {
+            extraLogoDelay = 1500;
+        } else {
+            extraLogoDelay = 0;
+        }
+
+        final ImageView logoV2 = (ImageView) findViewById(R.id.logoV2);
+        final ImageView logoArquivo = (ImageView) findViewById(R.id.logoArquivo);
+        final ImageView logoAffectiva = (ImageView) findViewById(R.id.logoAffectiva);
+
+        ObjectAnimator fadeOutV2 = ObjectAnimator.ofFloat(logoV2, "alpha", 0f);
+        fadeOutV2.setDuration(1000);
+        fadeOutV2.setStartDelay(0 + extraLogoDelay);
+        ObjectAnimator fadeInV2 = ObjectAnimator.ofFloat(logoV2, "alpha", 0f, 1f);
+        fadeInV2.setDuration(1000);
+
+        ObjectAnimator fadeOutArquivo = ObjectAnimator.ofFloat(logoArquivo, "alpha", 0f);
+        fadeOutArquivo.setDuration(1000);
+        fadeOutArquivo.setStartDelay(0 + extraLogoDelay);
+        ObjectAnimator fadeInArquivo = ObjectAnimator.ofFloat(logoArquivo, "alpha", 0f, 1f);
+        fadeInArquivo.setDuration(1000);
+
+        ObjectAnimator fadeOutAffectiva = ObjectAnimator.ofFloat(logoAffectiva, "alpha", 0f);
+        fadeOutAffectiva.setDuration(1000);
+        fadeOutAffectiva.setStartDelay(1000 + extraLogoDelay);
+        ObjectAnimator fadeInAffectiva = ObjectAnimator.ofFloat(logoAffectiva, "alpha", 0f, 1f);
+        fadeInAffectiva.setDuration(1000);
+
+
+        AnimatorSet animatorSet = new AnimatorSet();
+        animatorSet.playSequentially(fadeInV2, fadeOutV2,
+                fadeInArquivo, fadeOutArquivo,
+                fadeInAffectiva, fadeOutAffectiva);
+        animatorSet.start();
+
+
+        final Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Intent intent = new Intent(IntroActivity.this, MenuActivity.class);
+                finish();
+                startActivity(intent);
+
+            }
+        }, 7000 + (3*extraLogoDelay));
+    }
+}

app/src/main/java/com/rubenvandeven/emotionhero/MenuActivity.java

@@ -0,0 +1,117 @@
+package com.rubenvandeven.emotionhero;
+
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.view.WindowManager;
+import android.view.animation.AlphaAnimation;
+import android.view.animation.Animation;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.Toast;
+
+public class MenuActivity extends AppCompatActivity {
+
+    Player player;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getSupportActionBar().hide();
+        setContentView(R.layout.activity_menu);
+
+        player = Player.getInstance(getApplicationContext());
+
+        Button startButton = (Button) findViewById(R.id.startButton);
+        Button continueButton = (Button) findViewById(R.id.continueButton);
+        Button highscoreButton = (Button) findViewById(R.id.highscoresButton);
+        Button quitButton = (Button) findViewById(R.id.quitButton);
+
+
+        final ImageView logoEmotionHero = (ImageView) findViewById(R.id.logoEmotionHero);
+
+        if(!player.getPlayerInfo().canContinueLevel()) {
+            continueButton.setVisibility(View.GONE);
+        }
+
+        // prepare for animation
+        startButton.setAlpha(0f);
+        continueButton.setAlpha(0f);
+        highscoreButton.setAlpha(0f);
+        quitButton.setAlpha(0f);
+
+        ObjectAnimator fadeInEmotionHero = ObjectAnimator.ofFloat(logoEmotionHero, "alpha", 0f, 1f);
+        fadeInEmotionHero.setDuration(1000);
+
+        ObjectAnimator fadeInstartButton = ObjectAnimator.ofFloat(startButton, "alpha", 0f, 1f);
+        fadeInstartButton.setDuration(1000);
+        ObjectAnimator fadeInContinueButton = ObjectAnimator.ofFloat(continueButton, "alpha", 0f, 1f);
+        fadeInContinueButton.setDuration(1000);
+        fadeInContinueButton.setStartDelay(300);
+        ObjectAnimator fadeInHighscoreButton = ObjectAnimator.ofFloat(highscoreButton, "alpha", 0f, 1f);
+        fadeInHighscoreButton.setDuration(1000);
+        fadeInHighscoreButton.setStartDelay(600);
+        ObjectAnimator fadeInQuitButton = ObjectAnimator.ofFloat(quitButton, "alpha", 0f, 1f);
+        fadeInQuitButton.setDuration(1000);
+        fadeInQuitButton.setStartDelay(900);
+
+
+        Animation anim = new AlphaAnimation(0.0f, 1.0f);
+        anim.setDuration(1000); //You can manage the blinking time with this parameter
+        anim.setStartOffset(20);
+        anim.setRepeatMode(Animation.REVERSE);
+        anim.setRepeatCount(Animation.INFINITE);
+        logoEmotionHero.startAnimation(anim);
+
+        AnimatorSet buttonAnimatorSet = new AnimatorSet();
+        buttonAnimatorSet.playTogether(fadeInstartButton,
+                fadeInContinueButton,
+                fadeInHighscoreButton,
+                fadeInQuitButton);
+        buttonAnimatorSet.start();
+
+//        AnimatorSet animatorSet = new AnimatorSet();
+//        animatorSet.playSequentially(fadeInEmotionHero, buttonAnimatorSet);
+//        animatorSet.start();
+
+
+        startButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(MenuActivity.this, GamingActivity.class);
+                startActivity(intent);
+            }
+        });
+
+        continueButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(MenuActivity.this, GamingActivity.class);
+                intent.putExtra(GamingActivity.INTENT_EXTRA_SCENARIO, player.getPlayerInfo().reachedLevelId);
+                startActivity(intent);
+            }
+        });
+
+        highscoreButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Toast toast = Toast.makeText(getApplicationContext(), "Not implemented yet", Toast.LENGTH_LONG);
+                toast.show();
+            }
+        });
+
+        quitButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+
+
+
+    }
+}

app/src/main/java/com/rubenvandeven/emotionhero/Player.java

@@ -0,0 +1,77 @@
+package com.rubenvandeven.emotionhero;
+
+import android.content.Context;
+import android.util.Log;
+
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+
+/**
+ * The current player of the game (for this device)
+ * Created by ruben on 22/08/16.
+ */
+public class Player {
+
+    final static String PLAYERINFO_FILENAME = "playerinfo.json";
+
+    private static Player ourInstance;
+
+    private Context c;
+
+    PlayerInfo info;
+
+    public static Player getInstance(Context c) {
+        if(ourInstance == null) {
+            ourInstance = new Player(c);
+        }
+        return ourInstance;
+    }
+
+    private Player(Context c) {
+        this.c = c;
+        this.info = loadPlayerInfo();
+    }
+
+    public PlayerInfo getPlayerInfo() {
+        return this.info;
+    }
+
+    public PlayerInfo loadPlayerInfo() {
+        try{
+            FileInputStream fis = c.openFileInput(PLAYERINFO_FILENAME );
+            StringBuilder builder = new StringBuilder();
+            int ch;
+            while((ch = fis.read()) != -1){
+                builder.append((char)ch);
+            }
+            return PlayerInfo.fromJson(builder.toString());
+        } catch (IOException e) {
+            return new PlayerInfo();
+        }
+    }
+
+    public boolean isNew() {
+        if(this.info.reachedLevelId < 0) {
+            return true;
+        }
+        return false;
+    }
+
+
+    public void savePlayerScore(Score score) {
+        info.addScore(score);
+        savePlayerInfo(info);
+    }
+
+    public void savePlayerInfo(PlayerInfo playerInfo) {
+        try {
+            FileOutputStream fos = c.openFileOutput(PLAYERINFO_FILENAME, Context.MODE_PRIVATE);
+            fos.write(playerInfo.toJson().getBytes());
+            fos.close();
+        } catch(IOException e) {
+            // for now skip error
+            Log.e("PlayerInfo", "Could not save player information!");
+        }
+    }
+}

app/src/main/java/com/rubenvandeven/emotionhero/PlayerInfo.java

@@ -1,6 +1,7 @@
 package com.rubenvandeven.emotionhero;
 
 import android.support.annotation.NonNull;
+import android.util.Log;
 import android.util.SparseArray;
 
 import com.google.gson.Gson;
@@ -16,6 +17,7 @@ import java.util.Set;
 
 public class PlayerInfo {
     public Map<Integer, ScoreList> levelScores = new HashMap<>();
+    public int reachedLevelId = -1;
 
     public ScoreList getScoresForLevel(int lvl_id) {
         ScoreList scoreList;
@@ -45,6 +47,24 @@ public class PlayerInfo {
 
     public String toJson() {
         Gson gson = new Gson();
-        return gson.toJson(this);
+        String json = gson.toJson(this);
+        Log.i("PlayerInfo", "Generated: "+json);
+        return json;
+    }
+
+    /**
+     * Whether the reachedLevelId is higher than the first level
+     * used to show 'continue' button in menu
+     * @return
+     */
+    public boolean canContinueLevel() {
+        if(reachedLevelId < 0)
+            return false;
+
+        if(Scenario.SCENARIOS.indexOf(reachedLevelId) > 0) {
+            return true;
+        }
+
+        return false;
     }
 }

app/src/main/java/com/rubenvandeven/emotionhero/Scenario.java

@@ -6,6 +6,8 @@ import android.util.Log;
 import com.affectiva.android.affdex.sdk.detector.Face;
 
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
 import java.util.Timer;
 import java.util.TimerTask;
 
@@ -285,7 +287,9 @@ public class Scenario {
             return null;
         }
 
-        return new Score(id, getHitTotalValue());
+        Score score = new Score(id, getHitTotalValue());
+        score.setTargets(targets);
+        return score;
     }
 
     public int getMaxScore() {
@@ -332,4 +336,16 @@ public class Scenario {
         return false;
     }
 
+    public boolean isHigherThen(int lvl_id) {
+        return isHigherLevel(id, lvl_id);
+    }
+
+    public static boolean isHigherLevel(int lvl_id, int then_lvl_id) {
+        if(lvl_id == then_lvl_id) {
+            return false;
+        }
+
+        return SCENARIOS.indexOf(lvl_id) > SCENARIOS.indexOf(then_lvl_id);
+    }
+
 }

app/src/main/java/com/rubenvandeven/emotionhero/Score.java

@@ -1,5 +1,6 @@
 package com.rubenvandeven.emotionhero;
 
+import java.util.ArrayList;
 import java.util.Date;
 
 /**
@@ -11,9 +12,15 @@ public class Score {
     float score;
     Date time;
 
+    ArrayList<Scenario.Target> targets = new ArrayList<>();
+
     public Score(int lvl_id, float score) {
         this.lvl_id = lvl_id;
         this.score = score;
         this.time = new Date();
     }
+
+    public void setTargets(ArrayList<Scenario.Target> targets) {
+        this.targets = targets;
+    }
 }

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

@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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:id="@+id/activity_intro"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.rubenvandeven.emotionhero.IntroActivity">
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/v2_logo"
+        android:id="@+id/logoV2"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true"
+        android:alpha="0"
+        />
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/arquivo237_logo"
+        android:id="@+id/logoArquivo"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true"
+        android:alpha="0" />
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/affectiva_logo"
+        android:id="@+id/logoAffectiva"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true"
+        android:alpha="0" />
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/emotionhero_logo"
+        android:id="@+id/logoEmotionHero"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true"
+        android:alpha="0" />
+</RelativeLayout>

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

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout 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:id="@+id/activity_menu"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:paddingBottom="@dimen/activity_vertical_margin"
+    android:paddingLeft="@dimen/activity_horizontal_margin"
+    android:paddingRight="@dimen/activity_horizontal_margin"
+    android:paddingTop="@dimen/activity_vertical_margin"
+    tools:context="com.rubenvandeven.emotionhero.MenuActivity">
+
+
+    <LinearLayout
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_below="@+id/logoEmotionHero"
+        android:layout_centerHorizontal="true"
+        android:layout_marginTop="19dp">
+
+        <Button
+            android:text="Start"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/startButton"
+            android:fontFamily="sans-serif" />
+        <Button
+            android:text="Continue"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/continueButton"
+            android:fontFamily="sans-serif" />
+        <Button
+            android:text="Highscores"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/highscoresButton"
+            android:fontFamily="sans-serif" />
+
+        <Button
+            android:text="Exit"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:id="@+id/quitButton"
+            android:fontFamily="sans-serif"
+            android:layout_marginTop="20dp" />
+    </LinearLayout>
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:srcCompat="@drawable/emotionhero_logo"
+        android:id="@+id/logoEmotionHero"
+        android:cropToPadding="false"
+        android:adjustViewBounds="true"
+        android:layout_marginTop="58dp"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true" />
+
+</RelativeLayout>

app/src/main/res/values-w820dp/dimens.xml

@@ -0,0 +1,6 @@
+<resources>
+    <!-- Example customization of dimensions originally defined in res/values/dimens.xml
+         (such as screen margins) for screens with more than 820dp of available width. This
+         would include 7" and 10" devices in landscape (~960dp and ~1280dp respectively). -->
+    <dimen name="activity_horizontal_margin">64dp</dimen>
+</resources>

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

@@ -0,0 +1,5 @@
+<resources>
+    <!-- Default screen margins, per the Android Design guidelines. -->
+    <dimen name="activity_horizontal_margin">16dp</dimen>
+    <dimen name="activity_vertical_margin">16dp</dimen>
+</resources>

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

@@ -11,7 +11,7 @@
     <style name="FullscreenTheme" parent="AppTheme">
         <item name="android:actionBarStyle">@style/FullscreenActionBarStyle</item>
         <item name="android:windowActionBarOverlay">true</item>
-        <item name="android:windowBackground">@null</item>
+        <item name="android:windowBackground">@color/colorPrimary</item>
         <item name="metaButtonBarStyle">?android:attr/buttonBarStyle</item>
         <item name="metaButtonBarButtonStyle">?android:attr/buttonBarButtonStyle</item>
     </style>