Fixed failing launch of Data usage activty from data saver suggestion.

After introducing the new data usage UI behind a feature flag a bug was
introduced that causes the data saver suggestion to throw an exception
from a missing class reference in "legacy" mode.

Bug: 73648306
Test: manual
Change-Id: I4fcd2bd0f55931f40738266dca94a55fea5087b3

src/com/android/settings/dashboard/conditional/BackgroundDataCondition.java

@@ -18,9 +18,12 @@ package com.android.settings.dashboard.conditional;
 import android.content.Intent;
 import android.graphics.drawable.Icon;
 import android.net.NetworkPolicyManager;
+import android.util.FeatureFlagUtils;
+
 import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
 import com.android.settings.R;
 import com.android.settings.Settings;
+import com.android.settings.core.FeatureFlags;
 
 public class BackgroundDataCondition extends Condition {
 
@@ -55,8 +58,12 @@ public class BackgroundDataCondition extends Condition {
 
     @Override
     public void onPrimaryClick() {
-        mManager.getContext().startActivity(new Intent(mManager.getContext(),
-                Settings.DataUsageSummaryActivity.class).addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
+        final Class activityClass = FeatureFlagUtils.isEnabled(mManager.getContext(),
+                FeatureFlags.DATA_USAGE_SETTINGS_V2)
+                ? Settings.DataUsageSummaryActivity.class
+                : Settings.DataUsageSummaryLegacyActivity.class;
+        mManager.getContext().startActivity(new Intent(mManager.getContext(), activityClass)
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK));
     }
 
     @Override

tests/robotests/src/com/android/settings/dashboard/conditional/BackgroundDataConditionTest.java

@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2018 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.settings.dashboard.conditional;
+
+import android.content.Context;
+import android.content.Intent;
+import android.util.FeatureFlagUtils;
+
+import com.android.settings.Settings;
+import com.android.settings.TestConfig;
+import com.android.settings.core.FeatureFlags;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+import com.android.settings.testutils.shadow.SettingsShadowSystemProperties;
+import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RuntimeEnvironment;
+import org.robolectric.annotation.Config;
+
+import static com.google.common.truth.Truth.assertThat;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION, shadows =
+        SettingsShadowSystemProperties.class)
+public class BackgroundDataConditionTest {
+    @Mock
+    private ConditionManager mConditionManager;
+
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        when(mConditionManager.getContext()).thenReturn(mContext);
+    }
+
+    @Test
+    public void onPrimaryClick_v2enabled_shouldReturnv2SummaryActivity() {
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlags.DATA_USAGE_SETTINGS_V2, true);
+
+        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
+        BackgroundDataCondition backgroundDataCondition
+                = new BackgroundDataCondition(mConditionManager);
+        backgroundDataCondition.onPrimaryClick();
+        verify(mContext).startActivity(argumentCaptor.capture());
+        Intent intent = argumentCaptor.getValue();
+
+        assertThat(intent.getComponent().getClassName()).isEqualTo(
+                Settings.DataUsageSummaryActivity.class.getName());
+    }
+
+    @Test
+    public void onPrimaryClick_v2disabled_shouldReturnLegacySummaryActivity() {
+        FeatureFlagUtils.setEnabled(mContext, FeatureFlags.DATA_USAGE_SETTINGS_V2, false);
+
+        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
+        BackgroundDataCondition backgroundDataCondition
+                = new BackgroundDataCondition(mConditionManager);
+        backgroundDataCondition.onPrimaryClick();
+        verify(mContext).startActivity(argumentCaptor.capture());
+        Intent intent = argumentCaptor.getValue();
+
+        assertThat(intent.getComponent().getClassName()).isEqualTo(
+                Settings.DataUsageSummaryLegacyActivity.class.getName());
+    }
+}