Merge "Remove the static application context fetcher" am: 35cbd1d5

        public abstract T createService() throws ServiceNotFoundException;

    }

    /**

     * Like StaticServiceFetcher, creates only one instance of the service per application, but when

     * creating the service for the first time, passes it the application context of the creating

     * application.

     *

     * TODO: Delete this once its only user (ConnectivityManager) is known to work well in the

     * case where multiple application components each have their own ConnectivityManager object.

     */

    static abstract class StaticApplicationContextServiceFetcher<T> implements ServiceFetcher<T> {

        private T mCachedInstance;

        @Override

        public final T getService(ContextImpl ctx) {

            synchronized (StaticApplicationContextServiceFetcher.this) {

                if (mCachedInstance == null) {

                    Context appContext = ctx.getApplicationContext();

                    // If the application context is null, we're either in the system process or

                    // it's the application context very early in app initialization. In both these

                    // cases, the passed-in ContextImpl will not be freed, so it's safe to pass it

                    // to the service. http://b/27532714 .

                    try {

                        mCachedInstance = createService(appContext != null ? appContext : ctx);

                    } catch (ServiceNotFoundException e) {

                        onServiceNotFound(e);

                    }

                }

                return mCachedInstance;

            }

        }

        public abstract T createService(Context applicationContext) throws ServiceNotFoundException;

    }

    /** @hide */

    public static void onServiceNotFound(ServiceNotFoundException e) {

        // We're mostly interested in tracking down long-lived core system