Fix crash from non-default sims in QS

Test: runtest systemui
Change-Id: Icdb063589258a6b4bd94634cc9f41f788a7d2299
Fixes: 62209034

packages/SystemUI/src/com/android/systemui/statusbar/SignalClusterView.java

@@ -308,7 +308,7 @@ public class SignalClusterView extends LinearLayout implements NetworkController
         if (state == null) {
             return;
         }
-        if (mQsSignal) {
+        if (mQsSignal && qsIcon != null) {
             icon = qsIcon;
             type = qsType;
         }

packages/SystemUI/tests/src/com/android/systemui/statusbar/SignalClusterViewTest.java

@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.systemui.statusbar;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+import android.support.test.filters.SmallTest;
+import android.telephony.SubscriptionInfo;
+import android.testing.AndroidTestingRunner;
+import android.testing.TestableLooper.RunWithLooper;
+import android.view.LayoutInflater;
+
+import com.android.systemui.R;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.statusbar.policy.NetworkController.IconState;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.Arrays;
+
+@RunWith(AndroidTestingRunner.class)
+@RunWithLooper
+@SmallTest
+public class SignalClusterViewTest extends SysuiTestCase {
+
+    private SignalClusterView mSignalCluster;
+
+    @Before
+    public void setup() {
+        mSignalCluster = (SignalClusterView) LayoutInflater.from(mContext)
+                .inflate(R.layout.signal_cluster_view, null);
+    }
+
+    @Test
+    public void testNonDefaultSim() {
+        SubscriptionInfo first = mock(SubscriptionInfo.class);
+        SubscriptionInfo second = mock(SubscriptionInfo.class);
+        when(first.getSubscriptionId()).thenReturn(0);
+        when(second.getSubscriptionId()).thenReturn(1);
+        mSignalCluster.setSubs(Arrays.asList(first, second));
+        mSignalCluster.setQsSignalCluster();
+        mSignalCluster.setMobileDataIndicators(new IconState(true, 0, 0, ""), null, 0, 0,
+                false, false, "", "", false, 1, false);
+    }
+
+}