livedisplay: Don't explode if no modes are available

 * Don't create the mode observer or try to publish tiles if none
   of the adaptive modes are supported.

Change-Id: Iee6fe8131b0614e10f35b5a03d65fb44c71c0da9

1 files changed, 7 insertions, 5 deletions

diff --git a/cm/lib/main/java/org/cyanogenmod/platform/internal/display/LiveDisplayService.java b/cm/lib/main/java/org/cyanogenmod/platform/internal/display/LiveDisplayService.java
index e7f9388..a46d10a 100644
--- a/cm/lib/main/java/org/cyanogenmod/platform/internal/display/LiveDisplayService.java
+++ b/cm/lib/main/java/org/cyanogenmod/platform/internal/display/LiveDisplayService.java
@@ -194,12 +194,14 @@ public class LiveDisplayService extends SystemService {
 
             updateDisplayState(mDisplayManager.getDisplay(Display.DEFAULT_DISPLAY).getState());
 
-            mModeObserver = new ModeObserver(mHandler);
-            mModeObserver.update();
+            if (mConfig.hasModeSupport()) {
+                mModeObserver = new ModeObserver(mHandler);
+                mModeObserver.update();
 
-            mContext.registerReceiver(mNextModeReceiver,
-                    new IntentFilter(ACTION_NEXT_MODE));
-            publishCustomTile();
+                mContext.registerReceiver(mNextModeReceiver,
+                        new IntentFilter(ACTION_NEXT_MODE));
+                publishCustomTile();
+            }
 
             mInitialized = true;
         }