cmsdk: Fix crash when getting LiveDisplay config

 * If capabilities is empty, BitSet.toLongArray returns an empty array.

Change-Id: I17476438995b581050feda346d0348228519ff44

2 files changed, 11 insertions, 2 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 015025d..70183f6 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
@@ -19,6 +19,7 @@ import static cyanogenmod.hardware.LiveDisplayManager.FEATURE_MANAGED_OUTDOOR_MO
 import static cyanogenmod.hardware.LiveDisplayManager.MODE_DAY;
 import static cyanogenmod.hardware.LiveDisplayManager.MODE_FIRST;
 import static cyanogenmod.hardware.LiveDisplayManager.MODE_LAST;
+import static cyanogenmod.hardware.LiveDisplayManager.MODE_OFF;
 import static cyanogenmod.hardware.LiveDisplayManager.MODE_OUTDOOR;
 
 import android.app.Notification;
@@ -357,13 +358,20 @@ public class LiveDisplayService extends SystemService {
 
         @Override
         public int getMode() {
-            return mModeObserver.getMode();
+            if (mConfig.hasModeSupport()) {
+                return mModeObserver.getMode();
+            } else {
+                return MODE_OFF;
+            }
         }
 
         @Override
         public boolean setMode(int mode) {
             mContext.enforceCallingOrSelfPermission(
                     cyanogenmod.platform.Manifest.permission.MANAGE_LIVEDISPLAY, null);
+            if (!mConfig.hasModeSupport()) {
+                return false;
+            }
             return mModeObserver.setMode(mode);
         }
 
diff --git a/sdk/src/java/cyanogenmod/hardware/LiveDisplayConfig.java b/sdk/src/java/cyanogenmod/hardware/LiveDisplayConfig.java
index 9e499ce..81945f7 100644
--- a/sdk/src/java/cyanogenmod/hardware/LiveDisplayConfig.java
+++ b/sdk/src/java/cyanogenmod/hardware/LiveDisplayConfig.java
@@ -132,7 +132,8 @@ public class LiveDisplayConfig implements Parcelable {
         ParcelInfo parcelInfo = Concierge.prepareParcel(out);
 
         // ==== FIG =====
-        out.writeLong(mCapabilities.toLongArray()[0]);
+        long[] caps = mCapabilities.toLongArray();
+        out.writeLong(caps != null && caps.length > 0 ? caps[0] : 0L);
         out.writeInt(mDefaultMode);
         out.writeInt(mDefaultDayTemperature);
         out.writeInt(mDefaultNightTemperature);