Do not re-download file on screen rotation or theme change (312c08a1) · Commits · e / os / PdfViewer

app/src/main/java/com/gsnathan/pdfviewer/MainActivity.java

+18 −2

Original line number	Diff line number	Diff line
		@@ -329,15 +329,31 @@ public class MainActivity extends CyaneaAppCompatActivity {

		String scheme = uri.getScheme();
		if (scheme != null && scheme.contains("http")) {
		downloadOrShowDownloadedFile(uri);
		} else {
		configurePdfViewAndLoad(viewBinding.pdfView.fromUri(uri));
		}
		}

		private void downloadOrShowDownloadedFile(Uri uri) {
		if (downloadedPdfFileContent == null) {
		downloadedPdfFileContent = (byte[]) getLastCustomNonConfigurationInstance();
		}
		if (downloadedPdfFileContent != null) {
		configurePdfViewAndLoad(viewBinding.pdfView.fromBytes(downloadedPdfFileContent));
		} else {
		// we will get the pdf asynchronously with the DownloadPDFFile object
		viewBinding.progressBar.setVisibility(View.VISIBLE);
		DownloadPDFFile downloadPDFFile = new DownloadPDFFile(this);
		downloadPDFFile.execute(uri.toString());
		} else {
		configurePdfViewAndLoad(viewBinding.pdfView.fromUri(uri));
		}
		}

		@Override
		public Object onRetainCustomNonConfigurationInstance() {
		return downloadedPdfFileContent;
		}

		public void hideProgressBar() {
		viewBinding.progressBar.setVisibility(View.GONE);
		}