private void prevPage() { if (mPdfFile != null) { if (mPage > 1) { mPage -= 1; System.out.println("Current Page " + mPage + " This is where CHORD notifications can go."); mGraphView.bZoomOut.setEnabled(true); mGraphView.bZoomIn.setEnabled(true); progress = ProgressDialog.show( PdfViewerActivity.this, "Loading", "Loading PDF Page " + mPage, true, true); startRenderThread(mPage, mZoom); sendPageNotification(); // For chord Purposes } } }