Merge "Catch exception when failing to create slice" into pi-dev

src/com/android/settings/slices/SliceData.java

@@ -227,19 +227,19 @@ public class SliceData {
 
         public SliceData build() {
             if (TextUtils.isEmpty(mKey)) {
-                throw new IllegalStateException("Key cannot be empty");
+                throw new InvalidSliceDataException("Key cannot be empty");
             }
 
             if (TextUtils.isEmpty(mTitle)) {
-                throw new IllegalStateException("Title cannot be empty");
+                throw new InvalidSliceDataException("Title cannot be empty");
             }
 
             if (TextUtils.isEmpty(mFragmentClassName)) {
-                throw new IllegalStateException("Fragment Name cannot be empty");
+                throw new InvalidSliceDataException("Fragment Name cannot be empty");
             }
 
             if (TextUtils.isEmpty(mPrefControllerClassName)) {
-                throw new IllegalStateException("Preference Controller cannot be empty");
+                throw new InvalidSliceDataException("Preference Controller cannot be empty");
             }
 
             return new SliceData(this);
@@ -249,4 +249,11 @@ public class SliceData {
             return mKey;
         }
     }
+
+    public static class InvalidSliceDataException extends RuntimeException {
+
+        public InvalidSliceDataException(String message) {
+            super(message);
+        }
+    }
 }