Settings : Add back navigation bar customization.

Change-Id: I6431a611f3107fd1022df11362d1d2aa27b2f436

1 files changed, 37 insertions, 0 deletions

diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index b1170c8..0834c8d 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -17,6 +17,7 @@
 package com.android.settings;
 
 import android.annotation.Nullable;
+import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.ActivityManagerNative;
 import android.app.AlertDialog;
@@ -31,6 +32,7 @@ import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.ActivityInfo;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.IPackageManager;
 import android.content.pm.IntentFilterVerificationInfo;
@@ -40,6 +42,7 @@ import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.pm.ResolveInfo;
 import android.content.pm.Signature;
 import android.content.pm.UserInfo;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.Resources.NotFoundException;
 import android.content.res.TypedArray;
@@ -81,6 +84,8 @@ import android.util.ArraySet;
 import android.util.Log;
 import android.util.SparseArray;
 import android.view.LayoutInflater;
+import android.view.DisplayInfo;
+import android.view.Surface;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.animation.Animation;
@@ -1422,4 +1427,36 @@ public final class Utils {
         }
     }
 
+    /**
+     * Locks the activity orientation to the current device orientation
+     * @param activity
+     */
+    public static void lockCurrentOrientation(Activity activity) {
+        int currentRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
+        int orientation = activity.getResources().getConfiguration().orientation;
+        int frozenRotation = 0;
+        switch (currentRotation) {
+            case Surface.ROTATION_0:
+                frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
+                        ? ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE
+                        : ActivityInfo.SCREEN_ORIENTATION_PORTRAIT;
+                break;
+            case Surface.ROTATION_90:
+                frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
+                        ? ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT
+                        : ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE;
+                break;
+            case Surface.ROTATION_180:
+                frozenRotation = orientation == Configuration.ORIENTATION_LANDSCAPE
+                        ? ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE
+                        : ActivityInfo.SCREEN_ORIENTATION_REVERSE_PORTRAIT;
+                break;
+            case Surface.ROTATION_270:
+                frozenRotation = orientation == Configuration.ORIENTATION_PORTRAIT
+                        ? ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
+                        : ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE;
+                break;
+        }
+        activity.setRequestedOrientation(frozenRotation);
+    }
 }