TouchInstinct
/
Android-Pdf-Viewer-Library
298
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

create a public field for saving pdf as a byte array in memory and update current page

This commit is contained in:
contrudar 2016-07-27 19:47:56 +03:00
parent b11df42259
commit 07e7c3a208
2 changed files with 45 additions and 35 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

57
PdfView/src/main/java/net/sf/andpdf/pdfviewer/PdfViewerActivity.java
View File

@ -27,6 +27,7 @@ import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.sun.pdfview.PDFFile;
import com.sun.pdfview.PDFImage;
@ -62,16 +63,13 @@ public class PdfViewerActivity extends Activity {
private static final String TAG = "PDFVIEWER";
public static final String EXTRA_PDFFILENAME = "net.sf.andpdf.extra.PDFFILENAME";
public static final String EXTRA_SHOWIMAGES = "net.sf.andpdf.extra.SHOWIMAGES";
public static final String EXTRA_ANTIALIAS = "net.sf.andpdf.extra.ANTIALIAS";
public static final String EXTRA_USEFONTSUBSTITUTION = "net.sf.andpdf.extra.USEFONTSUBSTITUTION";
public static final String EXTRA_KEEPCACHES = "net.sf.andpdf.extra.KEEPCACHES";
public static final boolean DEFAULTSHOWIMAGES = true;
public static final boolean DEFAULTANTIALIAS = true;
public static final boolean DEFAULTUSEFONTSUBSTITUTION = false;
public static final boolean DEFAULTKEEPCACHES = false;
private final static int MENU_NEXT_PAGE = 1;
private final static int MENU_PREV_PAGE = 2;
@ -86,16 +84,12 @@ public class PdfViewerActivity extends Activity {
private GraphView mOldGraphView;
private GraphView mGraphView;
private PDFFile mPdfFile;
private byte[] byteArray;
public static byte[] byteArray;
private int mPage;
private float mZoom;
private File mTmpFile;
private ProgressDialog progress;
/*private View navigationPanel;
private Handler closeNavigationHandler;
private Thread closeNavigationThread;*/
private PDFPage mPdfPage;
private Thread backgroundThread;
@ -392,10 +386,9 @@ public class PdfViewerActivity extends Activity {
PdfView pdfView;
private class GraphView extends FullScrollView {
private Bitmap mBi;
private ImageView mImageView;
private Button mBtPage;
private Button mBtPage2;
public Bitmap mBi;
public ImageView mImageView;
public Button mBtPage;
ImageButton bZoomOut;
ImageButton bZoomIn;
@ -422,8 +415,6 @@ public class PdfViewerActivity extends Activity {
pdfView = new PdfView(PdfViewerActivity.this);
addNavButtons(vl);
// remember page button for updates
mBtPage2 = mBtPage;
mImageView = new ImageView(context);
setPageBitmap(null);
@ -488,6 +479,7 @@ public class PdfViewerActivity extends Activity {
bPrev.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
prevPage();
updatePageNumber();
}
});
hl.addView(bPrev);
@ -495,11 +487,11 @@ public class PdfViewerActivity extends Activity {
// page button
mBtPage = new Button(context);
mBtPage.setLayoutParams(lpChild1);
String maxPage = ((mPdfFile == null) ? "0" : Integer.toString(mPdfFile.getNumPages()));
mBtPage.setText(mPage + "/" + maxPage);
mBtPage.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
gotoPage();
updatePageNumber();
}
});
hl.addView(mBtPage);
@ -512,6 +504,7 @@ public class PdfViewerActivity extends Activity {
bNext.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
nextPage();
updatePageNumber();
}
});
hl.addView(bNext);
@ -541,10 +534,23 @@ public class PdfViewerActivity extends Activity {
mBi = bi;
}
}
}
private void updatePageNumber() {
Runnable updatePageNumber = new Runnable() {
@Override
public void run() {
String maxPage = ((mPdfFile == null) ? "0" : Integer.toString(mPdfFile.getNumPages()));
mGraphView.mBtPage.setText(mPage + "/" + maxPage);
}
};
uiHandler.post(updatePageNumber);
}
private void showPage(int page, float zoom) throws Exception {
pdfView.showPage(page, zoom);
updatePageNumber();
try {
// Only load the page if it's a different page (i.e. not just changing the zoom level)
@ -576,16 +582,18 @@ public class PdfViewerActivity extends Activity {
* @throws IOException
*/
public void openFile(final byte[] byteArray, String password) throws IOException {
// now memory-map a byte-buffer
ByteBuffer bb = ByteBuffer.NEW(byteArray);
// create a PDFFile from the data
if (password == null) {
mPdfFile = new PDFFile(bb);
if (byteArray != null) {
// now memory-map a byte-buffer
ByteBuffer bb = ByteBuffer.NEW(byteArray);
// create a PDFFile from the data
if (password == null) {
mPdfFile = new PDFFile(bb);
} else {
mPdfFile = new PDFFile(bb, new PDFPassword(password));
}
} else {
mPdfFile = new PDFFile(bb, new PDFPassword(password));
Toast.makeText(this, "The error occurred", Toast.LENGTH_LONG).show();
}
}
@Override
@ -595,6 +603,7 @@ public class PdfViewerActivity extends Activity {
mTmpFile.delete();
mTmpFile = null;
}
byteArray = null;
}
private int getPreviousPageImageResource() {

23
PdfView/src/main/res/layout/graphics_view.xml
View File

@ -1,14 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ImageView android:id="@+id/pdf_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:padding="5px"/>
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ImageView
android:id="@+id/pdf_image"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight="1"
android:padding="5dp"/>
</LinearLayout>