Merge "Change the resource cache key from context to package name." into main

    private final Context mContext;

    private final Context mContext;

    // Cache of Resource that has been created in getResourcesForSubId. Key is a Pair containing

    // Cache of Resource that has been created in getResourcesForSubId. Key is a Pair containing

    // the Context and subId.

    // the Package Name and subId. Applications can create new contexts from

    private static final Map<Pair<Context, Integer>, Resources> sResourcesCache =

    // {@link android.content.Context#createPackageContext} with the same resources for different

    // purposes. Therefore, Cache can be wasted for resources from different contexts in the same

    // package. Use the package name rather than the context itself as a key value of cache.

    private static final Map<Pair<String, Integer>, Resources> sResourcesCache =

            new ConcurrentHashMap<>();

            new ConcurrentHashMap<>();

    /**

    /**

            boolean useRootLocale) {

            boolean useRootLocale) {

        // Check if resources for this context and subId already exist in the resource cache.

        // Check if resources for this context and subId already exist in the resource cache.

        // Resources that use the root locale are not cached.

        // Resources that use the root locale are not cached.

        Pair<Context, Integer> cacheKey = null;

        Pair<String, Integer> cacheKey = null;

        if (isValidSubscriptionId(subId) && !useRootLocale) {

        if (isValidSubscriptionId(subId) && !useRootLocale) {

            cacheKey = Pair.create(context, subId);

            cacheKey = Pair.create(context.getPackageName(), subId);

            if (sResourcesCache.containsKey(cacheKey)) {

            Resources cached = sResourcesCache.get(cacheKey);

            if (cached != null) {

                // Cache hit. Use cached Resources.

                // Cache hit. Use cached Resources.

                return sResourcesCache.get(cacheKey);

                return cached;

            }

            }

        }

        }