SyncService.java 文件源码

public AbstractThreadedSyncAdapter getSyncAdapter(Context context, boolean autoInitialize) {
    return new AbstractThreadedSyncAdapter(context, autoInitialize){

        @Override
        public void onPerformSync(Account account, Bundle extras, String authority,
                                  ContentProviderClient provider, SyncResult syncResult) {
            SyncService.this.onPerformSync(account, extras, authority, provider, syncResult);
        }
    };
}