1 files changed, 63 insertions, 0 deletions
diff --git a/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHiderBase.java b/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHiderBase.java
new file mode 100644
index 0000000..bc8615b
--- /dev/null
+++ b/app/src/main/java/com/camilstaps/rushhour/util/SystemUiHiderBase.java
@@ -0,0 +1,63 @@
+package com.camilstaps.rushhour.util;
+
+import android.app.Activity;
+import android.view.View;
+import android.view.WindowManager;
+
+/**
+ * A base implementation of {@link SystemUiHider}. Uses APIs available in all
+ * API levels to show and hide the status bar.
+ */
+public class SystemUiHiderBase extends SystemUiHider {
+    /**
+     * Whether or not the system UI is currently visible. This is a cached value
+     * from calls to {@link #hide()} and {@link #show()}.
+     */
+    private boolean mVisible = true;
+
+    /**
+     * Constructor not intended to be called by clients. Use
+     * {@link SystemUiHider#getInstance} to obtain an instance.
+     */
+    protected SystemUiHiderBase(Activity activity, View anchorView, int flags) {
+        super(activity, anchorView, flags);
+    }
+
+    @Override
+    public void setup() {
+        if ((mFlags & FLAG_LAYOUT_IN_SCREEN_OLDER_DEVICES) == 0) {
+            mActivity.getWindow().setFlags(
+                    WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
+                            | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
+                    WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
+                            | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
+        }
+    }
+
+    @Override
+    public boolean isVisible() {
+        return mVisible;
+    }
+
+    @Override
+    public void hide() {
+        if ((mFlags & FLAG_FULLSCREEN) != 0) {
+            mActivity.getWindow().setFlags(
+                    WindowManager.LayoutParams.FLAG_FULLSCREEN,
+                    WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        }
+        mOnVisibilityChangeListener.onVisibilityChange(false);
+        mVisible = false;
+    }
+
+    @Override
+    public void show() {
+        if ((mFlags & FLAG_FULLSCREEN) != 0) {
+            mActivity.getWindow().setFlags(
+                    0,
+                    WindowManager.LayoutParams.FLAG_FULLSCREEN);
+        }
+        mOnVisibilityChangeListener.onVisibilityChange(true);
+        mVisible = true;
+    }
+}