老程序员分享：PDFViewer电子书阅读器

PdfViewer是一款属性和接口全面的安卓电子书插件

地址：

依赖：implementation 'com.github.barteksc:android-pdf-viewer:3.2.0-beta.1'

[/span>com.github.barteksc.pdfviewer.PDFView

android:id="@+id/pdfView"

android:layout_Width＜/span>="match_parent"

android:layout_Height＜/span>="match_parent"/>

pdfView.fromUri(Uri)

or

pdfView.fromFile(File)

or

pdfView.fromBytes(byte【】)

or

pdfView.fromStream(InputStream) //代码效果参考：http://www.lyjsj.net.cn/wx/art_23881.html

or

pdfView.fromSource(DocumentSource)

or

pdfView.fromAsset(String)

.pages(0, 2, 1, 3, 3, 3) // all pages are displayed by default

.enableSwipe(true) // allows to block changing pages using swipe

.swipeHorizontal(false)

.enableDoubletap(true)

.defaultPage(0)

// allows to draw something on the current page, usually visible in the middle of the screen

.onDraw(onDrawListener)

// allows to draw something on all pages, separately for every page. Called only for visible pages

.onDrawAll(onDrawListener)

.onLoad(onLoadCompleteListener) // called after document is loaded and starts to be rendered

.onPageChange(onPageChangeListener)

.onPageScroll(onPageScrollListener)

.onError(onErrorListener)

.onPageError(onPageErrorListener)

.onRender(onRenderListener) // called after document is rendered for the first time

// called on single tap, return true if handled, false to toggle scroll handle visibility

.onTap(onTapListener)

.onLongPress(onLongPressListener)

.enableAnnotationRendering(false) // render annotations (such as comments, colors or forms)

.password(null)

.scrollHandle(null)

.enableAntialiasing(true) // improve rendering a little bit on low-res screens

// spacing between pages in dp. To define spacing color, set view background

.spacing(0)

.autoSpacing(false) // add dynamic spacing to fit each page on its own on the screen

.linkHandler(DefaultLinkHandler)

.pageFitPolicy(FitPolicy.WIDTH) // mode to fit pages in the view

.fitEachPage(false) // fit each page to the view, else smaller pages are scaled relative to largest page.

.pageSnap(false) // snap pages to screen boundaries

.pageFling(false) // make a fling change only a single page like ViewPager

.nightMode(false) // toggle night mode

.load();

推荐使用：

pdfView.fromFile(new File(filePath))

.defaultPage(0)

.enableAntialiasing(true)

.enableDoubletap(false)

.onLoad(new OnLoadCompleteListener() {

@Override

public void loadComplete(int nbPages) {

Log.d(TAG, "loadComplete: ok!");

}

})

.onRender(new OnRenderListener() {

@Override

public void onInitiallyRendered(int nbPages) {

}

})

.onPageChange(new OnPageChangeListener() {

@Override

public void onPageChanged(int page, int pageCount) {

Log.d(TAG, "onPageChanged: 当前是第"+page+"页 总共"+pageCount);

}

})

.onPageScroll(new OnPageScrollListener() {

@Override

public void onPageScrolled(int page, float positionOffset) {

}

})

.load();

pdfView.fromFile(new File(filePath))

.enableSwipe(true) // 屏幕滑动

.enableDoubletap(false) //禁双击

.spacing(10) //页面之间距离 dp

.enableAntialiasing(true)

.pageFitPolicy(FitPolicy.WIDTH) //模式来适应视图中的页面

.pageSnap(true) //将页面对齐到屏幕边界

.nightMode(false)

.load();