在不使用RecyclerView的情况下使用PagedList，可以通过PagedList的观察者（PagedList.BoundaryCallback）来获取数据并进行处理。以下是一个示例代码：

1. 创建一个数据源类（DataSource）来获取数据：

public class MyDataSource extends DataSource {

    @Override
    public void addInvalidatedCallback(@NonNull InvalidatedCallback onInvalidatedCallback) {
        // Implementation not needed
    }

    @Override
    public void removeInvalidatedCallback(@NonNull InvalidatedCallback onInvalidatedCallback) {
        // Implementation not needed
    }

    @NonNull
    @Override
    public Integer getKey(@NonNull String item) {
        // Implementation not needed
        return 0;
    }

    @NonNull
    @Override
    public LoadInitialParams getInitialLoadParams() {
        // Implementation not needed
        return null;
    }

    @NonNull
    @Override
    public LoadParams getLoadParams(@NonNull Integer key, int pageSize) {
        // Implementation not needed
        return null;
    }

    @Override
    public void loadInitial(@NonNull LoadInitialParams params, @NonNull LoadInitialCallback callback) {
        // Perform initial data loading here
        List initialData = /* Load initial data from your data source */;
        callback.onResult(initialData, 0, initialData.size(), null, null);
    }

    @Override
    public void loadAfter(@NonNull LoadParams params, @NonNull LoadCallback callback) {
        // Perform loading of additional data here
        List additionalData = /* Load additional data from your data source */;
        callback.onResult(additionalData);
    }

    @Override
    public void loadBefore(@NonNull LoadParams params, @NonNull LoadCallback callback) {
        // Implementation not needed
    }
}

2. 创建一个PagedList.BoundaryCallback来监听PagedList的边界情况：

public class MyBoundaryCallback extends PagedList.BoundaryCallback {

    @Override
    public void onZeroItemsLoaded() {
        // Called when the initial data set is empty
    }

    @Override
    public void onItemAtFrontLoaded(@NonNull String itemAtFront) {
        // Called when the first item of the data set is loaded
    }

    @Override
    public void onItemAtEndLoaded(@NonNull String itemAtEnd) {
        // Called when the last item of the data set is loaded
    }
}

3. 创建一个PagedList.Config来配置PagedList的参数：

PagedList.Config config = new PagedList.Config.Builder()
        .setPageSize(20) // Number of items to load per page
        .setPrefetchDistance(10) // Number of items to prefetch
        .setEnablePlaceholders(false) // Whether to enable placeholders for unloaded items
        .build();

4. 创建一个LiveData来观察PagedList：

LiveData> pagedListLiveData = new LivePagedListBuilder<>(new MyDataSourceFactory(), config)
        .setBoundaryCallback(new MyBoundaryCallback())
        .build();

5. 在观察者中监听PagedList的变化：

pagedListLiveData.observe(this, new Observer>() {
    @Override
    public void onChanged(PagedList pagedList) {
        // Handle changes to the PagedList here
        // For example, update your UI with the new data
    }
});

通过以上步骤，你可以在不使用RecyclerView的情况下使用PagedList来获取和处理数据。