pdfviewctrl vertical scroll example

Author: ama-pdftron

PDFViewCtrlViewer/app/src/main/java/com/pdftron/android/pdfviewctrlviewer/MainActivity.java

@@ -25,6 +25,7 @@
 import com.pdftron.pdf.widget.preset.component.PresetBarViewModel;
 import com.pdftron.pdf.widget.preset.component.view.PresetBarView;
 import com.pdftron.pdf.widget.preset.signature.SignatureViewModel;
+import com.pdftron.pdf.widget.seekbar.DocumentSlider;
 import com.pdftron.pdf.widget.toolbar.ToolManagerViewModel;
 import com.pdftron.pdf.widget.toolbar.builder.AnnotationToolbarBuilder;
 import com.pdftron.pdf.widget.toolbar.builder.ToolbarButtonType;
@@ -35,7 +36,7 @@
 
 import java.io.File;
 
-public class MainActivity extends AppCompatActivity implements ToolManager.AdvancedAnnotationListener {
+public class MainActivity extends AppCompatActivity implements ToolManager.AdvancedAnnotationListener, DocumentSlider.OnDocumentSliderTrackingListener {
     private static final String TAG = MainActivity.class.getName();
 
     private PDFViewCtrl mPdfViewCtrl;
@@ -64,6 +65,11 @@ protected void onCreate(Bundle savedInstanceState) {
         setupAnnotationToolbar();
         try {
             AppUtils.setupPDFViewCtrl(mPdfViewCtrl);
+            mPdfViewCtrl.setPagePresentationMode(PDFViewCtrl.PagePresentationMode.SINGLE_CONT);
+            DocumentSlider documentSlider = findViewById(R.id.slider);
+            documentSlider.setPdfViewCtrl(mPdfViewCtrl);
+            documentSlider.setOnDocumentSliderTrackingListener(this);
+
             viewFromResource(R.raw.sample, "sample_file");
         } catch (PDFNetException e) {
             Log.e(TAG, "Error setting up PDFViewCtrl");
@@ -244,4 +250,14 @@ public boolean newFileSelectedFromTool(String filePath, int pageNumber) {
     public void fileCreated(String fileLocation, AnnotAction action) {
 
     }
+
+    @Override
+    public void onDocumentSliderStartTrackingTouch() {
+
+    }
+
+    @Override
+    public void onDocumentSliderStopTrackingTouch(int pageNum) {
+
+    }
 }

PDFViewCtrlViewer/app/src/main/res/layout/activity_main.xml

@@ -31,4 +31,15 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintBottom_toBottomOf="parent" />
 
+    <com.pdftron.pdf.widget.seekbar.DocumentSlider
+        android:id="@+id/slider"
+        android:layout_width="@dimen/document_seek_bar_height"
+        android:layout_height="0dp"
+        android:visibility="visible"
+        android:orientation="vertical"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintHorizontal_bias="1.0" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>