implement ACRA

Now having the back button in the credits screen and some minor bugfixes

app/build.gradle

@@ -6,7 +6,7 @@ android {
     compileSdkVersion 24
     buildToolsVersion '25.0.0'
     defaultConfig {
-        applicationId 'com.rubenvandeven.emotion_hero'
+        applicationId 'com.rubenvandeven.emotion_hero.kiosk'
         minSdkVersion 16
         targetSdkVersion 24
         versionCode 11
@@ -33,7 +33,7 @@ dependencies {
     })
     compile 'com.android.support:appcompat-v7:24.2.0'
     compile 'com.android.support:support-v4:24.2.0'
-    compile 'com.affectiva.android:affdexsdk:3.1.2'
+    compile 'com.affectiva.android:affdexsdk:3.2'
     compile 'com.google.code.gson:gson:2.4'
     compile 'com.android.support:design:24.2.0'
     compile 'com.loopj.android:android-async-http:1.4.9'

app/src/main/AndroidManifest.xml

@@ -6,25 +6,31 @@
     <uses-permission android:name="android.permission.CAMERA" />
     <uses-permission android:name="android.permission.INTERNET" />
 
+    <!--Kiosk Mode-->
+    <uses-permission android:name="android.permission.REORDER_TASKS" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
+
+    <uses-permission android:name="android.permission.READ_LOGS"/>
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
+
     <application
+        android:name=".AppContext"
         android:allowBackup="true"
         android:hardwareAccelerated="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/AppTheme"
+        android:keepScreenOn="true"
         tools:replace="android:allowBackup,android:label">
+
+
         <activity
             android:name=".GamingActivity"
             android:screenOrientation="portrait"
             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"
@@ -34,8 +40,11 @@
             android:theme="@style/FullscreenTheme">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.HOME" />
+                <category android:name="android.intent.category.DEFAULT" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
+
             </intent-filter>
         </activity>
         <activity
@@ -88,6 +97,11 @@
             <meta-data
                 android:name="android.support.PARENT_ACTIVITY"
                 android:value="com.rubenvandeven.emotionhero.ProgressActivity" /></activity>
+        <receiver android:name=".BootReceiver">
+            <intent-filter >
+                <action android:name="android.intent.action.BOOT_COMPLETED"/>
+            </intent-filter>
+        </receiver>
     </application>
 
 </manifest>

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

@@ -2,7 +2,6 @@ package com.rubenvandeven.emotionhero;
 
 import android.graphics.Bitmap;
 import android.widget.LinearLayout;
-import android.widget.RelativeLayout;
 
 /**
  * Created by ruben on 10/09/16.

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

@@ -41,7 +41,7 @@ import cz.msebera.android.httpclient.entity.StringEntity;
  */
 
 public class ApiRestClient {
-    private static final String BASE_URL = "https://api.emotionhero.com"; // TODO: https!
+    private static final String BASE_URL = "https://api.emotionhero.com";
 
     /**
      * For some reason validation of SSL certificate needs to be disabled (using true).

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

@@ -0,0 +1,61 @@
+package com.rubenvandeven.emotionhero;
+
+import android.app.Application;
+import android.content.Context;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.os.PowerManager;
+
+/**
+ * For kioskmode only!
+ * See http://www.andreas-schrade.de/2015/02/16/android-tutorial-how-to-create-a-kiosk-mode-in-android/
+ */
+@ReportsCrashes(
+        buildConfigClass=BuildConfig.class,
+        formUri="http://crashes.rubenvandeven.com/api",
+        formUriBasicAuthLogin="com.rubenvandeven.emotion_hero.kiosk",
+        formUriBasicAuthPassword="4fkpp89Q+VKdbVj3VIbBFKTT",
+        mode=ReportingInteractionMode.TOAST,
+        resToastText=R.string.crash_toast_text)
+public class AppContext extends Application {
+    private AppContext instance;
+    private PowerManager.WakeLock wakeLock;
+    private OnScreenOffReceiver onScreenOffReceiver;
+
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        instance = this;
+        if (!ACRA.isACRASenderServiceProcess()) {
+            registerKioskModeScreenOffReceiver();
+            startKioskService();
+        }
+    }
+
+    private void registerKioskModeScreenOffReceiver() {
+        // register screen off receiver
+        final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_OFF);
+        onScreenOffReceiver = new OnScreenOffReceiver();
+        registerReceiver(onScreenOffReceiver, filter);
+    }
+
+    protected void attachBaseContext(Context paramContext)
+    {
+        super.attachBaseContext(paramContext);
+        ACRA.init(this, new ConfigurationBuilder(this).setReportField(ReportField.USER_COMMENT, false), true);
+    }
+
+    public PowerManager.WakeLock getWakeLock() {
+        if(wakeLock == null) {
+            // lazy loading: first call, create wakeLock via PowerManager.
+            PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+            wakeLock = pm.newWakeLock(PowerManager.FULL_WAKE_LOCK | PowerManager.ACQUIRE_CAUSES_WAKEUP, "wakeup");
+        }
+        return wakeLock;
+    }
+
+    private void startKioskService() {
+        startService(new Intent(this, KioskService.class));
+    }
+}

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

@@ -0,0 +1,18 @@
+package com.rubenvandeven.emotionhero;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+/**
+ * For kioskmode only!
+ * See http://www.andreas-schrade.de/2015/02/16/android-tutorial-how-to-create-a-kiosk-mode-in-android/
+ */
+public class BootReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        Intent myIntent = new Intent(context, IntroActivity.class);
+        myIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        context.startActivity(myIntent);
+    }
+}

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

@@ -1,5 +1,7 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Typeface;
 import android.net.Uri;
@@ -39,6 +41,7 @@ public class CreditsActivity extends AppCompatActivity {
         moreInfo.setTypeface(font);
         mySite.setTypeface(font);
 
+        /* BLOCK FOR KIOSK-MODE
         findViewById(R.id.logoArquivo).setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
@@ -84,6 +87,31 @@ public class CreditsActivity extends AppCompatActivity {
                 i.setData(Uri.parse(url));
                 startActivity(i);
             }
-        });
+        });*/
     }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -1,5 +1,8 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
+import android.content.Context;
+import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.support.v7.widget.Toolbar;
@@ -88,4 +91,29 @@ public class EndingActivity extends AppCompatActivity {
         this.rank.setVisibility(View.VISIBLE);
         this.textRank.setVisibility(View.VISIBLE);
     }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -2,7 +2,9 @@ package com.rubenvandeven.emotionhero;
 
 import android.Manifest;
 import android.annotation.TargetApi;
+import android.app.ActivityManager;
 import android.app.Dialog;
+import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -33,6 +35,8 @@ import com.affectiva.android.affdex.sdk.detector.Face;
 
 import java.util.HashMap;
 import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
 
 
 /**
@@ -71,10 +75,13 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
     protected boolean isStarted = false;
 
+    protected Timer timeoutTimer;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); // kiosk mode
         if(getSupportActionBar() != null) {
             getSupportActionBar().hide();
         }
@@ -187,6 +194,11 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         super.onPause();
         stopDetector();
         currentScenario.pause();
+
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
     }
 
     void startDetector() {
@@ -307,6 +319,11 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         setText("START!");
         currentScenario.lostFace = false;
 
+        // in kioskmode, if no face is found for 60s return to main screen
+        if(timeoutTimer != null) {
+            timeoutTimer.cancel();
+        }
+
         if(isStarted)
             currentScenario.start();
     }
@@ -316,6 +333,19 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
     {
         currentScenario.pause();
         currentScenario.lostFace = true;
+
+        // in kioskmode, if no face is found for 60s return to main screen
+        timeoutTimer = new Timer();
+        TimerTask timeoutTimerTask = new TimerTask() {
+            @Override
+            public void run() {
+                Intent intent = new Intent(GamingActivity.this, MirrorMenuActivity.class);
+                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
+                intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
+                startActivity(intent);
+            }
+        };
+        timeoutTimer.schedule(timeoutTimerTask, 60*1000);
     }
 
     public void setText(String text)
@@ -406,4 +436,18 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         startActivity(intent);
         finish();
     }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
 }

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

@@ -1,6 +1,8 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
 import android.app.ProgressDialog;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Color;
 import android.graphics.Typeface;
@@ -424,4 +426,28 @@ public class HighscoreActivity extends AppCompatActivity {
         return mViewPager;
     }
 
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -2,6 +2,8 @@ package com.rubenvandeven.emotionhero;
 
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
+import android.app.ActivityManager;
+import android.content.Context;
 import android.content.Intent;
 import android.os.Handler;
 import android.support.v7.app.AppCompatActivity;
@@ -28,6 +30,7 @@ public class IntroActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); // kiosk mode
         if(getSupportActionBar() != null) {
             getSupportActionBar().hide();
         }
@@ -95,4 +98,28 @@ public class IntroActivity extends AppCompatActivity {
         IntroActivity.this.overridePendingTransition(0, 0);
         finish();
     }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -0,0 +1,95 @@
+package com.rubenvandeven.emotionhero;
+
+import android.app.ActivityManager;
+import android.app.Service;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.os.IBinder;
+import android.util.Log;
+
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Created by ruben on 05/10/16.
+ */
+
+public class KioskService extends Service {
+    private static final long INTERVAL = TimeUnit.SECONDS.toMillis(2); // periodic interval to check in seconds -> 2 seconds
+    private static final String TAG = KioskService.class.getSimpleName();
+    private static final String PREF_KIOSK_MODE = "pref_kiosk_mode";
+
+    private Thread t = null;
+    private Context ctx = null;
+    private boolean running = false;
+
+    @Override
+    public void onDestroy() {
+        Log.i(TAG, "Stopping service 'KioskService'");
+        running =false;
+        super.onDestroy();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        Log.i(TAG, "Starting service 'KioskService'");
+        running = true;
+        ctx = this;
+
+        // start a thread that periodically checks if your app is in the foreground
+        t = new Thread(new Runnable() {
+            @Override
+            public void run() {
+                do {
+                    handleKioskMode();
+                    try {
+                        Thread.sleep(INTERVAL);
+                    } catch (InterruptedException e) {
+                        Log.i(TAG, "Thread interrupted: 'KioskService'");
+                    }
+                }while(running);
+                stopSelf();
+            }
+        });
+
+        t.start();
+        return Service.START_NOT_STICKY;
+    }
+
+    private void handleKioskMode() {
+        // is Kiosk Mode active?
+        if(true) {
+            // is App in background?
+            if(isInBackground()) {
+                restoreApp(); // restore!
+            }
+        }
+    }
+
+    private boolean isInBackground() {
+        ActivityManager am = (ActivityManager) ctx.getSystemService(Context.ACTIVITY_SERVICE);
+
+        List<ActivityManager.RunningTaskInfo> taskInfo = am.getRunningTasks(1);
+        ComponentName componentInfo = taskInfo.get(0).topActivity;
+        return (!ctx.getApplicationContext().getPackageName().equals(componentInfo.getPackageName()));
+    }
+
+    private void restoreApp() {
+        // Restart activity
+        Intent i = new Intent(ctx, IntroActivity.class);
+        i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        ctx.startActivity(i);
+    }
+
+    public boolean isKioskModeActive(final Context context) {
+        return true;
+//        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
+//        return sp.getBoolean(PREF_KIOSK_MODE, false);
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+}

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

@@ -3,7 +3,9 @@ package com.rubenvandeven.emotionhero;
 import android.Manifest;
 import android.animation.ArgbEvaluator;
 import android.animation.ValueAnimator;
+import android.app.ActivityManager;
 import android.app.ProgressDialog;
+import android.content.Context;
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
@@ -72,6 +74,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD); // kiosk mode
         if(getSupportActionBar() != null) {
             getSupportActionBar().hide();
         }
@@ -97,6 +100,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
         highscoresButton .setTypeface(font);
         creditsButton .setTypeface(font);
         settingsButton.setTypeface(font);
+        settingsButton.setVisibility(View.INVISIBLE); // kiosk mode doesn't have settings
         messageText.setTypeface(font);
         nextButton.setTypeface(font);
         readyButton.setTypeface(font);
@@ -111,6 +115,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
                 int maxHeight = MirrorMenuActivity.this.getWindow().getDecorView().getHeight();
                 int width;
                 int height;
+                Log.i(LOG_TAG, "Change the camera preview: " + previewWidth + " + " + measureWidth);
                 if (previewHeight == 0 || previewWidth == 0) {
                     width = measureWidth;
                     height = measureHeight;
@@ -142,13 +147,13 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
                 setMeasuredDimension(width,height);
             }
         };
-        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
+
+        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
 //        RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(1,1);
         params.addRule(RelativeLayout.CENTER_IN_PARENT,RelativeLayout.TRUE);
-        // 10% margin:
+
-//        params.leftMargin = (int) 120;
-//        params.rightMargin = params.leftMargin;
         cameraPreview.setLayoutParams(params);
+        cameraPreview.setWillNotDraw(false);
         videoContentLayout.addView(cameraPreview,0);
 
         scenarioView = new ScenarioView(this, null);
@@ -197,6 +202,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
                 public void onClick(View v) {
                     Intent intent = new Intent(MirrorMenuActivity.this, ProgressActivity.class);
                     startActivity(intent);
+                    stopDetector();
                 }
             });
         }
@@ -206,6 +212,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
             public void onClick(View v) {
                 Intent intent = new Intent(MirrorMenuActivity.this, CreditsActivity.class);
                 startActivity(intent);
+                stopDetector();
             }
         });
 
@@ -285,7 +292,12 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
     @Override
     protected void onPause() {
         super.onPause();
-        stopDetector();
+//        stopDetector(); // kiosk mode should never pause ...
+
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
     }
 
     void startDetector() {
@@ -310,7 +322,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
 //                    SurfaceView surfaceView = (SurfaceView) findViewById(R.id.surfaceView);
 
                     detector = new CameraDetector(this, CameraDetector.CameraType.CAMERA_FRONT, cameraPreview, 1, Detector.FaceDetectorMode.LARGE_FACES);
-                    detector.setLicensePath("emotionhero_dev.license");
+//                    detector.setLicensePath("emotionhero_dev.license");
 
                     detector.setDetectAllEmotions(true);
                     detector.setDetectAllAppearances(false);
@@ -364,6 +376,7 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
             previewHeight = height;
             previewWidth = width;
         }
+        Log.i(LOG_TAG, "onCameraSize "+previewWidth +"x"+previewHeight);
         cameraPreview.requestLayout();
     }
 
@@ -414,4 +427,26 @@ public class MirrorMenuActivity extends AppCompatActivity implements Detector.Im
         messageText.setVisibility(View.GONE);
     }
 
+    /**
+     * For kiosk mode only
+     */
+    @Override
+    public void onBackPressed() {
+        // nothing to do here
+        // … really
+    }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
 }

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

@@ -0,0 +1,47 @@
+package com.rubenvandeven.emotionhero;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.PowerManager;
+import android.preference.PreferenceManager;
+import android.util.Log;
+
+/**
+ * For kioskmode only!
+ * See http://www.andreas-schrade.de/2015/02/16/android-tutorial-how-to-create-a-kiosk-mode-in-android/
+ */
+public class OnScreenOffReceiver extends BroadcastReceiver {
+    private static final String PREF_KIOSK_MODE = "pref_kiosk_mode";
+
+    @Override
+    public void onReceive(Context context, Intent intent) {
+        if(Intent.ACTION_SCREEN_OFF.equals(intent.getAction())){
+            AppContext ctx = (AppContext) context.getApplicationContext();
+            // is Kiosk Mode active?
+            if(isKioskModeActive(ctx)) {
+                wakeUpDevice(ctx);
+            }
+        }
+    }
+
+    private void wakeUpDevice(AppContext context) {
+        PowerManager.WakeLock wakeLock = context.getWakeLock(); // get WakeLock reference via AppContext
+        if (wakeLock.isHeld()) {
+            wakeLock.release(); // release old wake lock
+        }
+
+        // create a new wake lock...
+        wakeLock.acquire();
+
+        // ... and release again
+        wakeLock.release();
+    }
+
+    private boolean isKioskModeActive(final Context context) {
+        return true;
+//        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(context);
+//        return sp.getBoolean(PREF_KIOSK_MODE, false);
+    }
+}

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

@@ -64,13 +64,15 @@ public class Player {
     }
 
     public boolean hasSetSnapshotConfirm() {
-        SharedPreferences settings = c.getSharedPreferences(PREFS_NAME, 0);
+        return true; // this is kioskmode, always snapshot!
-        return settings.contains("snapshot_confirm");
+//        SharedPreferences settings = c.getSharedPreferences(PREFS_NAME, 0);
+//        return settings.contains("snapshot_confirm");
     }
 
     public boolean allowsSnapshots() {
-        SharedPreferences settings = c.getSharedPreferences(PREFS_NAME, 0);
+        return true; // this is kioskmode: always snapshot!
-        return settings.getBoolean("snapshot_confirm", false);
+//        SharedPreferences settings = c.getSharedPreferences(PREFS_NAME, 0);
+//        return settings.getBoolean("snapshot_confirm", false);
     }
 
     public void setAllowsSnapshots(boolean allows) {

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

@@ -1,6 +1,8 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
 import android.app.ProgressDialog;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Typeface;
 import android.support.v7.app.AppCompatActivity;
@@ -212,4 +214,28 @@ public class ProgressActivity extends AppCompatActivity {
 
         levelsLayout.addView(outroText);
     }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
 }

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

@@ -1,5 +1,8 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
+import android.content.Context;
+import android.content.Intent;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.support.v7.widget.AppCompatTextView;
@@ -94,4 +97,27 @@ public class ReviewAchievementsActivity extends AppCompatActivity {
         achievementsLayout.addView(titleText);
         achievementsLayout.addView(descriptionLayout);
     }
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -1,6 +1,8 @@
 package com.rubenvandeven.emotionhero;
 
+import android.app.ActivityManager;
 import android.app.ProgressDialog;
+import android.content.Context;
 import android.content.Intent;
 import android.graphics.Typeface;
 import android.os.Handler;
@@ -354,4 +356,29 @@ public class ReviewActivity extends AppCompatActivity {
                 return super.onOptionsItemSelected(menuItem);
         }
     }
+
+    /**
+     * For kioskmode
+     * @param hasFocus
+     */
+    @Override
+    public void onWindowFocusChanged(boolean hasFocus) {
+        super.onWindowFocusChanged(hasFocus);
+        if(!hasFocus) {
+            // Close every kind of system dialog
+            Intent closeDialog = new Intent(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+            sendBroadcast(closeDialog);
+        }
+    }
+
+
+    @Override
+    protected void onPause() {
+        super.onPause();
+        ActivityManager activityManager = (ActivityManager) getApplicationContext()
+                .getSystemService(Context.ACTIVITY_SERVICE);
+
+        activityManager.moveTaskToFront(getTaskId(), 0);
+    }
+
 }

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

@@ -147,6 +147,8 @@ public class ScenarioView extends SurfaceView implements SurfaceHolder.Callback
         float height = canvas.getHeight();
         float width = canvas.getWidth();
 
+        Log.i("ScenarioView", "onDraw "+ width+" x " +height);
+
         if(_scenario != null)
         {
 

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

@@ -1,5 +1,5 @@
 <resources>
-    <string name="app_name">Emotion Hero</string>
+    <string name="app_name">Emotion Hero - Exhibition Edition</string>
 
     <string name="dummy_button">Dummy Button</string>
     <string name="dummy_content">initialising&#8230;</string>
@@ -23,4 +23,6 @@
     <string name="permission_yes">Sure!</string>
     <string name="ending_winner">You are the one and only <i>Emotion Hero</i>!</string>
     <string name="ending_loser">You have finished all steps in the training, and many peers have done the same. It is too bad that many scored better than you. Try smiling better next time!</string>
+
+    <string name="crash_toast_text">Sorry, Emotion Hero just crashed.</string>
 </resources>