Merge "Fix a bug where homepage is using staled locale for tiles" into pi-dev

src/com/android/settings/dashboard/DashboardSummary.java

@@ -58,7 +58,8 @@ public class DashboardSummary extends InstrumentedFragment
     private static final int MAX_WAIT_MILLIS = 3000;
     private static final String TAG = "DashboardSummary";
 
-    private static final String EXTRA_SCROLL_POSITION = "scroll_position";
+    private static final String STATE_SCROLL_POSITION = "scroll_position";
+    private static final String STATE_CATEGORIES_CHANGE_CALLED = "categories_change_called";
 
     private final Handler mHandler = new Handler();
 
@@ -69,7 +70,8 @@ public class DashboardSummary extends InstrumentedFragment
     private LinearLayoutManager mLayoutManager;
     private SuggestionControllerMixin mSuggestionControllerMixin;
     private DashboardFeatureProvider mDashboardFeatureProvider;
-    private boolean isOnCategoriesChangedCalled;
+    @VisibleForTesting
+    boolean mIsOnCategoriesChangedCalled;
     private boolean mOnConditionsChangedCalled;
 
     private DashboardCategory mStagingCategory;
@@ -115,6 +117,10 @@ public class DashboardSummary extends InstrumentedFragment
 
         mConditionManager = ConditionManager.get(activity, false);
         getLifecycle().addObserver(mConditionManager);
+        if (savedInstanceState != null) {
+            mIsOnCategoriesChangedCalled =
+                    savedInstanceState.getBoolean(STATE_CATEGORIES_CHANGE_CALLED);
+        }
         if (DEBUG_TIMING) {
             Log.d(TAG, "onCreate took " + (System.currentTimeMillis() - startTime) + " ms");
         }
@@ -182,7 +188,8 @@ public class DashboardSummary extends InstrumentedFragment
         if (mLayoutManager == null) {
             return;
         }
-        outState.putInt(EXTRA_SCROLL_POSITION, mLayoutManager.findFirstVisibleItemPosition());
+        outState.putBoolean(STATE_CATEGORIES_CHANGE_CALLED, mIsOnCategoriesChangedCalled);
+        outState.putInt(STATE_SCROLL_POSITION, mLayoutManager.findFirstVisibleItemPosition());
     }
 
     @Override
@@ -193,7 +200,7 @@ public class DashboardSummary extends InstrumentedFragment
         mLayoutManager = new LinearLayoutManager(getContext());
         mLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
         if (bundle != null) {
-            int scrollPosition = bundle.getInt(EXTRA_SCROLL_POSITION);
+            int scrollPosition = bundle.getInt(STATE_SCROLL_POSITION);
             mLayoutManager.scrollToPosition(scrollPosition);
         }
         mDashboard.setLayoutManager(mLayoutManager);
@@ -201,7 +208,7 @@ public class DashboardSummary extends InstrumentedFragment
         mDashboard.setListener(this);
         mDashboard.setItemAnimator(new DashboardItemAnimator());
         mAdapter = new DashboardAdapter(getContext(), bundle,
-            mConditionManager.getConditions(), mSuggestionControllerMixin, getLifecycle());
+                mConditionManager.getConditions(), mSuggestionControllerMixin, getLifecycle());
         mDashboard.setAdapter(mAdapter);
         mSummaryLoader.setSummaryConsumer(mAdapter);
         ActionBarShadowController.attachToRecyclerView(
@@ -224,10 +231,10 @@ public class DashboardSummary extends InstrumentedFragment
         // Bypass rebuildUI() on the first call of onCategoriesChanged, since rebuildUI() happens
         // in onViewCreated as well when app starts. But, on the subsequent calls we need to
         // rebuildUI() because there might be some changes to suggestions and categories.
-        if (isOnCategoriesChangedCalled) {
+        if (mIsOnCategoriesChangedCalled) {
             rebuildUI();
         }
-        isOnCategoriesChangedCalled = true;
+        mIsOnCategoriesChangedCalled = true;
     }
 
     @Override

tests/unit/src/com/android/settings/dashboard/DashboardSummaryInstrumentationTest.java

@@ -0,0 +1,79 @@
+/*
+ * 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;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.Instrumentation;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.ActivityInfo;
+import android.provider.Settings;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.filters.SmallTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.test.uiautomator.By;
+import android.support.test.uiautomator.UiDevice;
+import android.support.test.uiautomator.UiObject2;
+import android.support.test.uiautomator.Until;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import java.util.List;
+
+@RunWith(AndroidJUnit4.class)
+@SmallTest
+public class DashboardSummaryInstrumentationTest {
+
+    private static final long TIMEOUT = 2000l;
+
+    private Context mContext;
+    private Instrumentation mInstrumentation;
+
+    private UiDevice mDevice;
+
+    @Before
+    public void setUp() {
+        mInstrumentation = InstrumentationRegistry.getInstrumentation();
+        mDevice = UiDevice.getInstance(mInstrumentation);
+        mContext = InstrumentationRegistry.getTargetContext();
+    }
+
+    @Test
+    public void rotate_shouldSaveCategoriesChangedState() {
+        final Intent intent = new Intent(Settings.ACTION_SETTINGS)
+                .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        final Activity activity = mInstrumentation.startActivitySync(intent);
+
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
+        activity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
+
+        final UiObject2 item = mDevice.wait(Until.findObject(By.res("android:id/title")
+                .text("Network & internet")), TIMEOUT);
+        assertThat(item).isNotNull();
+
+        final List<Fragment> fragments = activity.getFragmentManager().getFragments();
+        final DashboardSummary fragment = (DashboardSummary) fragments.get(0);
+
+        assertThat(fragment.mIsOnCategoriesChangedCalled).isTrue();
+    }
+
+}