Cleanup, of eg. the dummy_button

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

@@ -77,7 +77,7 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
                     | View.SYSTEM_UI_FLAG_HIDE_NAVIGATION);
         }
     };
-    private View mControlsView;
+
     private final Runnable mShowPart2Runnable = new Runnable() {
         @Override
         public void run() {
@@ -86,7 +86,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             if (actionBar != null) {
                 actionBar.show();
             }
-            mControlsView.setVisibility(View.VISIBLE);
         }
     };
     private boolean mVisible;
@@ -96,20 +95,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             hide();
         }
     };
-    /**
-     * Touch listener to use for in-layout UI controls to delay hiding the
-     * system UI. This is to prevent the jarring behavior of controls going away
-     * while interacting with activity UI.
-     */
-    private final View.OnTouchListener mDelayHideTouchListener = new View.OnTouchListener() {
-        @Override
-        public boolean onTouch(View view, MotionEvent motionEvent) {
-            if (AUTO_HIDE) {
-                delayedHide(AUTO_HIDE_DELAY_MILLIS);
-            }
-            return false;
-        }
-    };
 
     private CameraDetector detector;
 
@@ -125,8 +110,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
 
     Button restartButton;
 
-    TextView paramText;
-
     public SoundPool sound;
     public HashMap<Integer, Integer> soundIds = new HashMap<>();
 
@@ -140,11 +123,9 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         setContentView(R.layout.activity_gaming);
 
         mVisible = true;
-        mControlsView = findViewById(R.id.fullscreen_content_controls);
         mContentView = (TextView) findViewById(R.id.fullscreen_content);
         RelativeLayout videoLayout = (RelativeLayout) findViewById(R.id.video_layout);
 
-//        paramText = (TextView) findViewById(R.id.paramText);
         restartButton = (Button) findViewById(R.id.restartButton);
         restartButton.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -163,10 +144,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
             }
         });
 
-        // Upon interacting with UI controls, delay any scheduled hide()
-        // operations to prevent the jarring behavior of controls going away
-        // while interacting with the UI.
-        findViewById(R.id.dummy_button).setOnTouchListener(mDelayHideTouchListener);
 
         //We create a custom SurfaceView that resizes itself to match the aspect ratio of the incoming camera frames
         cameraPreview = new SurfaceView(this) {
@@ -299,7 +276,6 @@ public class GamingActivity extends AppCompatActivity implements Detector.ImageL
         if (actionBar != null) {
             actionBar.hide();
         }
-        mControlsView.setVisibility(View.GONE);
         mVisible = false;
 
         // Schedule a runnable to remove the status and navigation bar after a delay

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

@@ -3,6 +3,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/colorPrimary"
+    android:keepScreenOn="true"
     tools:context="com.rubenvandeven.emotionhero.GamingActivity">
 
     <!-- The primary full-screen view. This can be replaced with whatever view
@@ -27,51 +28,12 @@
         android:textSize="50sp"
         android:textStyle="bold" />
 
-    <!-- This FrameLayout insets its children based on system windows using
-         android:fitsSystemWindows. -->
-
-    <!--<view-->
-        <!--class="com.rubenvandeven.emotionhero.ScenarioView"-->
-        <!--android:layout_width="match_parent"-->
-        <!--android:id="@+id/scenarioView"-->
-        <!--android:layout_height="match_parent" />-->
-
-
-    <!--<TextView-->
-        <!--android:text="No face found"-->
-        <!--android:layout_width="wrap_content"-->
-        <!--android:layout_height="wrap_content"-->
-        <!--android:id="@+id/paramText"-->
-        <!--android:textColor="@android:color/white"-->
-        <!--android:layout_marginLeft="10dp"-->
-        <!--android:layout_marginTop="10dp"-->
-        <!--android:fontFamily="monospace" />-->
 
     <FrameLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:fitsSystemWindows="true">
 
-        <LinearLayout
-            android:id="@+id/fullscreen_content_controls"
-            style="?metaButtonBarStyle"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom|center_horizontal"
-            android:background="@color/black_overlay"
-            android:orientation="horizontal"
-            tools:ignore="UselessParent">
-
-            <Button
-                android:id="@+id/dummy_button"
-                style="?metaButtonBarButtonStyle"
-                android:layout_width="0dp"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/dummy_button" />
-
-        </LinearLayout>
-
         <Button
             android:text="@string/restart"
             android:layout_width="wrap_content"