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Prevent search crashes from uninstalled apps

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All search results are now refreshed when resuming the
search fragment, to prevent crashes from results that
no longer exist.

Change-Id: I905465d14f415598ec7a2ebe7b29ed620cde0962
Fixes: 34817357
Test: make RunSettingsRoboTests
Merged-In: I96a0cbfee711ab9dee49d56bfdc4e885202d9ecd
This commit is contained in:
Matthew Fritze
2017-03-22 13:51:36 -07:00
parent eb62407114
commit 75f55d6e05
6 changed files with 178 additions and 37 deletions
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4
src/com/android/settings/search2/DatabaseIndexingManager.java
View File

@@ -515,7 +515,7 @@ public class DatabaseIndexingManager {
if (count > 0) {
while (cursor.moveToNext()) {
final int providerRank = cursor.getInt(COLUMN_INDEX_XML_RES_RANK);
// TODO remove provider rank
final int xmlResId = cursor.getInt(COLUMN_INDEX_XML_RES_RESID);
final String className = cursor.getString(COLUMN_INDEX_XML_RES_CLASS_NAME);
@@ -560,7 +560,7 @@ public class DatabaseIndexingManager {
if (count > 0) {
while (cursor.moveToNext()) {
final int providerRank = cursor.getInt(COLUMN_INDEX_RAW_RANK);
// TODO Remove rank
final String title = cursor.getString(COLUMN_INDEX_RAW_TITLE);
final String summaryOn = cursor.getString(COLUMN_INDEX_RAW_SUMMARY_ON);
final String summaryOff = cursor.getString(COLUMN_INDEX_RAW_SUMMARY_OFF);

20
src/com/android/settings/search2/SearchFragment.java
View File

@@ -167,6 +167,17 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
return view;
}
@Override
public void onResume() {
super.onResume();
if (TextUtils.isEmpty(mQuery)) {
return;
}
final String query = mQuery;
mQuery = "";
onQueryTextChange(query);
}
@Override
public void onStop() {
super.onStop();
@@ -206,7 +217,6 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
mResultClickCount = 0;
mNeverEnteredQuery = false;
mQuery = query;
mSearchAdapter.clearResults();
if (isEmptyQuery) {
final LoaderManager loaderManager = getLoaderManager();
@@ -252,7 +262,13 @@ public class SearchFragment extends InstrumentedFragment implements SearchView.O
return;
}
final int resultCount = mSearchAdapter.displaySearchResults();
mNoResultsView.setVisibility(resultCount == 0 ? View.VISIBLE : View.GONE);
if (resultCount == 0) {
mNoResultsView.setVisibility(View.VISIBLE);
} else {
mNoResultsView.setVisibility(View.GONE);
mResultsRecyclerView.scrollToPosition(0);
}
mSearchFeatureProvider.showFeedbackButton(this, getView());
}

24
src/com/android/settings/search2/SearchResult.java
View File

@@ -93,7 +93,7 @@ public class SearchResult implements Comparable<SearchResult> {
icon = builder.mIcon;
payload = builder.mResultPayload;
viewType = payload.getType();
stableId = Objects.hash(title, summary, breadcrumbs, rank, icon, payload, viewType);
stableId = Objects.hash(title, summary, breadcrumbs, rank, viewType);
}
@Override
@@ -104,6 +104,22 @@ public class SearchResult implements Comparable<SearchResult> {
return this.rank - searchResult.rank;
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof SearchResult)) {
return false;
}
return this.stableId == ((SearchResult) obj).stableId;
}
@Override
public int hashCode() {
return (int) stableId;
}
public static class Builder {
protected CharSequence mTitle;
protected CharSequence mSummary;
@@ -127,19 +143,19 @@ public class SearchResult implements Comparable<SearchResult> {
return this;
}
public Builder addRank(int rank) {
public Builder addRank(int rank) {
if (rank >= 0 && rank <= 9) {
mRank = rank;
}
return this;
}
public Builder addIcon(Drawable icon) {
public Builder addIcon(Drawable icon) {
mIcon = icon;
return this;
}
public Builder addPayload(ResultPayload payload) {
public Builder addPayload(ResultPayload payload) {
mResultPayload = payload;
return this;
}

56
src/com/android/settings/search2/SearchResultDiffCallback.java Normal file
View File

@@ -0,0 +1,56 @@
/*
* 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.settings.search2;
import android.support.v7.util.DiffUtil;
import java.util.List;
/**
* Callback for DiffUtil to elegantly update search data when the query changes.
*/
public class SearchResultDiffCallback extends DiffUtil.Callback {
private List<SearchResult> mOldList;
private List<SearchResult> mNewList;
public SearchResultDiffCallback(List<SearchResult> oldList, List<SearchResult> newList) {
mOldList = oldList;
mNewList = newList;
}
@Override
public int getOldListSize() {
return mOldList.size();
}
@Override
public int getNewListSize() {
return mNewList.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
return mOldList.get(oldItemPosition).equals(mNewList.get(newItemPosition));
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
return mOldList.get(oldItemPosition).equals(mNewList.get(newItemPosition));
}
}

20
src/com/android/settings/search2/SearchResultsAdapter.java
View File

@@ -19,6 +19,7 @@ package com.android.settings.search2;
import android.content.Context;
import android.support.annotation.MainThread;
import android.support.annotation.VisibleForTesting;
import android.support.v7.util.DiffUtil;
import android.support.v7.widget.RecyclerView;
import android.util.ArrayMap;
import android.view.LayoutInflater;
@@ -37,8 +38,9 @@ import static com.android.settings.search2.SearchResult.TOP_RANK;
public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder> {
private final List<SearchResult> mSearchResults;
private final SearchFragment mFragment;
private List<SearchResult> mSearchResults;
private Map<String, List<? extends SearchResult>> mResultsMap;
public SearchResultsAdapter(SearchFragment fragment) {
@@ -128,7 +130,7 @@ public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder>
.get(InstalledAppResultLoader.class.getName());
final int dbSize = (databaseResults != null) ? databaseResults.size() : 0;
final int appSize = (installedAppResults != null) ? installedAppResults.size() : 0;
final List<SearchResult> results = new ArrayList<>(dbSize + appSize);
final List<SearchResult> newResults = new ArrayList<>(dbSize + appSize);
int dbIndex = 0;
int appIndex = 0;
@@ -136,23 +138,25 @@ public class SearchResultsAdapter extends RecyclerView.Adapter<SearchViewHolder>
while (rank <= BOTTOM_RANK) {
while ((dbIndex < dbSize) && (databaseResults.get(dbIndex).rank == rank)) {
results.add(databaseResults.get(dbIndex++));
newResults.add(databaseResults.get(dbIndex++));
}
while ((appIndex < appSize) && (installedAppResults.get(appIndex).rank == rank)) {
results.add(installedAppResults.get(appIndex++));
newResults.add(installedAppResults.get(appIndex++));
}
rank++;
}
while (dbIndex < dbSize) {
results.add(databaseResults.get(dbIndex++));
newResults.add(databaseResults.get(dbIndex++));
}
while (appIndex < appSize) {
results.add(installedAppResults.get(appIndex++));
newResults.add(installedAppResults.get(appIndex++));
}
mSearchResults.addAll(results);
notifyDataSetChanged();
final DiffUtil.DiffResult diffResult = DiffUtil.calculateDiff(
new SearchResultDiffCallback(mSearchResults, newResults), false /* detectMoves */);
mSearchResults = newResults;
diffResult.dispatchUpdatesTo(this);
return mSearchResults.size();
}