...

app/src/main/java/com/base/pdfviewerscannerwhite/ui/document/pdf/PdfActivity.kt

@@ -35,6 +35,8 @@ import com.base.pdfviewerscannerwhite.utils.LogEx
 import com.base.pdfviewerscannerwhite.utils.SpStringUtils
 import com.base.pdfviewerscannerwhite.utils.SpStringUtils.LAST_VIEW_KEY
 import com.base.pdfviewerscannerwhite.utils.ToastUtils.toast
+import com.cherry.lib.doc.office.constant.EventConstant
+import com.cherry.lib.doc.office.wp.control.WPControl
 import java.io.File
 
 
@@ -111,18 +113,7 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
     private fun iniSetVerticalSeekbar(max: Int) {
         binding.verticalSeekbar.visibility = View.VISIBLE
         binding.verticalSeekbar.showThumb = true
-        binding.verticalSeekbar.barBackgroundStartColor=Color.TRANSPARENT
-//        binding.verticalSeekbar.barProgressEndColor = Color.TRANSPARENT
-//        binding.verticalSeekbar.barProgressStartColor = Color.TRANSPARENT
-//        binding.verticalSeekbar.barProgressDrawable = ContextCompat.getDrawable(this, R.drawable.bg_transparent)
-
-//        binding.verticalSeekbar.barBackgroundStartColor = Color.TRANSPARENT
-//        binding.verticalSeekbar.barBackgroundStartColor = Color.TRANSPARENT
-//        binding.verticalSeekbar.barBackgroundEndColor = Color.TRANSPARENT
-
-//        binding.verticalSeekbar.setBackgroundColor(Color.TRANSPARENT)
-//        binding.verticalSeekbar.background = ContextCompat.getDrawable(this, R.drawable.bg_transparent)
-//        binding.verticalSeekbar.barBackgroundDrawable = ContextCompat.getDrawable(this, R.drawable.bg_transparent)
+        binding.verticalSeekbar.barBackgroundStartColor = Color.TRANSPARENT
         binding.verticalSeekbar.thumbContainerColor = Color.TRANSPARENT
         binding.verticalSeekbar.thumbPlaceholderDrawable =
             ContextCompat.getDrawable(this, R.mipmap.fanye)
@@ -247,6 +238,13 @@ class PdfActivity : BaseActivity<ActivityPdfBinding>(), PdfView {
         binding.ivXuanzhuan.setOnClickListener {
             switchOrientation()
         }
+        binding.verticalSeekbar.setOnReleaseListener { progress ->
+            LogEx.logDebug(TAG, "progress=$progress")
+            val total = muPDFCore?.countPages()?:0
+            val pageIndex = total - 1 - progress
+
+            binding.mupdfReaderView.displayedViewIndex = pageIndex
+        }
     }
 
     /**

app/src/main/java/com/base/pdfviewerscannerwhite/ui/view/VerticalSeekBar.kt

@@ -23,6 +23,9 @@ import kotlin.math.roundToInt
 
 /**
  * A nicer, redesigned and vertical SeekBar
+ * copy from:
+ * https://github.com/lukelorusso/VerticalSeekBar
+ *
  */
 class VerticalSeekBar : FrameLayout {
     private val TAG = "VerticalSeekBar"
@@ -267,7 +270,7 @@ class VerticalSeekBar : FrameLayout {
                     R.styleable.VerticalSeekBar_android_layout_height,
                     minLayoutHeight
                 ).also {
-                   container.layoutParams.height =
+                    container.layoutParams.height =
                         if (it != -1 && it < minLayoutHeight) minLayoutHeight // wrap_content
                         else it
                 }