import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener; //导入依赖的package包/类
protected void loadContent(String filePath, String extension, final LoadContentListener loadContentListener) {
	titleName = titleBar.getTitleTextView().getText().toString();
	if (titleName == null) {
		titleName = "";
	}
	File file = new File(filePath);
	pdfView.fromFile(file).defaultPage(0).enableSwipe(true).swipeHorizontal(false).enableDoubletap(true)
			.enableAnnotationRendering(false).password(null).scrollHandle(null)
			.onLoad(new OnLoadCompleteListener() {
				public void loadComplete(int nbPages) {
					loadContentListener.onLoadFinished(true);
				}
			})
			.onPageChange(new OnPageChangeListener() {
				public void onPageChanged(int page, int pageCount) {
					titleBar.setTitle(titleName + "(" + (page + 1) + "/" + pageCount + ")");
				}
			})
			.onError(new OnErrorListener() {
				public void onError(Throwable t) {
					loadContentListener.onLoadFinished(false);
					t.printStackTrace();
				}
			}).load();
}
 

import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener; //导入依赖的package包/类
private void load(DocumentSource docSource, String password, OnLoadCompleteListener onLoadCompleteListener, OnErrorListener onErrorListener, int[] userPages) {

        if (!recycled) {
            throw new IllegalStateException("Don't call load on a PDF View without recycling it first.");
        }

        // Manage UserPages if not null
        if (userPages != null) {
            this.originalUserPages = userPages;
            this.filteredUserPages = ArrayUtils.deleteDuplicatedPages(originalUserPages);
            this.filteredUserPageIndexes = ArrayUtils.calculateIndexesInDuplicateArray(originalUserPages);
        }

        this.onLoadCompleteListener = onLoadCompleteListener;
        this.onErrorListener = onErrorListener;

        int firstPageIdx = 0;
        if (originalUserPages != null) {
            firstPageIdx = originalUserPages[0];
        }

        recycled = false;
        // Start decoding document
        decodingAsyncTask = new DecodingAsyncTask(docSource, password, this, pdfiumCore, firstPageIdx);
        decodingAsyncTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    }
 

import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener; //导入依赖的package包/类
private void load(String path, boolean isAsset, String password, OnLoadCompleteListener onLoadCompleteListener, OnErrorListener onErrorListener, int[] userPages) {

        if (!recycled) {
            throw new IllegalStateException("Don't call load on a PDF View without recycling it first.");
        }

        // Manage UserPages if not null
        if (userPages != null) {
            this.originalUserPages = userPages;
            this.filteredUserPages = ArrayUtils.deleteDuplicatedPages(originalUserPages);
            this.filteredUserPageIndexes = ArrayUtils.calculateIndexesInDuplicateArray(originalUserPages);
        }

        this.onLoadCompleteListener = onLoadCompleteListener;
        this.onErrorListener = onErrorListener;

        recycled = false;
        // Start decoding document
        decodingAsyncTask = new DecodingAsyncTask(path, isAsset, password, this, pdfiumCore);
        decodingAsyncTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
    }
 

import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener; //导入依赖的package包/类
private void load(DocumentSource docSource, String password, OnLoadCompleteListener onLoadCompleteListener, OnErrorListener onErrorListener, int[] userPages) {

        if (!recycled) {
            throw new IllegalStateException("Don't call load on a PDF View without recycling it first.");
        }

        // Manage UserPages if not null
        if (userPages != null) {
            this.originalUserPages = userPages;
            this.filteredUserPages = ArrayUtils.deleteDuplicatedPages(originalUserPages);
            this.filteredUserPageIndexes = ArrayUtils.calculateIndexesInDuplicateArray(originalUserPages);
        }

        this.onLoadCompleteListener = onLoadCompleteListener;
        this.onErrorListener = onErrorListener;

        recycled = false;
        // Start decoding document
        decodingAsyncTask = new DecodingAsyncTask(docSource, password, this, pdfiumCore);
        decodingAsyncTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);

    }
 

import com.github.barteksc.pdfviewer.listener.OnLoadCompleteListener; //导入依赖的package包/类
public Configurator onLoad(OnLoadCompleteListener onLoadCompleteListener) {
    this.onLoadCompleteListener = onLoadCompleteListener;
    return this;
}