FenceReceiver.java

class FenceReceiver extends BroadcastReceiver {

        public static final String FENCE_RECEIVER_ACTION =
                "com.hitherejoe.aware.ui.fence.FenceReceiver.FENCE_RECEIVER_ACTION";

        @Override
        public void onReceive(Context context, Intent intent) {
            FenceState fenceState = FenceState.extract(intent);

            if (TextUtils.equals(fenceState.getFenceKey(), FENCE_KEY)) {
                switch(fenceState.getCurrentState()) {
                    case FenceState.TRUE:
                        // We've entered the fence
                        break;
                    case FenceState.FALSE:
                        // We're not in the fence
                        break;
                    case FenceState.UNKNOWN:
                        // Something went wrong...
                        break;
                }
            }
        }
    }