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Awais Hamza answered on September 2, 2022 Popularity 9/10 Helpfulness 1/10

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Dependecies
implementation 'com.github.barteksc:pdfium-android:1.9.0'
    implementation "com.dmitryborodin:pdfview-android:1.1.0"




fun generateImageFromPdf(pdfUri: Uri?): Pair<Bitmap?, Int?>? {
            var bmp: Bitmap?
            val resourceId = context.resources.getIdentifier("file_icon.jpg",
                "drawable", context.packageName)

            bmp = BitmapFactory.decodeResource(itemView.resources,resourceId)
            val pageNumber = 0
            var pageCount = 0
            try {
                val pdfiumCore = PdfiumCore(context)

                //http://www.programcreek.com/java-api-examples/index.php?api=android.os.ParcelFileDescriptor
                val fd = context.contentResolver.openFileDescriptor(pdfUri.toString().toUri(),"r")
                val pdfDocument = pdfiumCore.newDocument(fd)
                pageCount = pdfiumCore.getPageCount(pdfDocument)
                pdfiumCore.openPage(pdfDocument, pageNumber)
                val width: Int = pdfiumCore.getPageWidthPoint(pdfDocument, pageNumber)
                val height: Int = pdfiumCore.getPageHeightPoint(pdfDocument, pageNumber)
                bmp = Bitmap.createBitmap((width / 5), (height / 5), Bitmap.Config.RGB_565)

                pdfiumCore.renderPageBitmap(
                    pdfDocument,
                    bmp,
                    pageNumber,
                    0,
                    0,
                    (width / 5),
                    (height / 5)
                )
                pdfiumCore.closeDocument(pdfDocument) // important!
            } catch (e: java.lang.Exception) {
                Log.e(e.toString(), "generateImageFromPdf")
            }
            return Pair(bmp, pageCount)
        }
        
val p=generateImageFromPdf(File(filename.path).toUri())
val bitmap=p?.first			// atfirst is bitmap
if(bitmap!=null)
	imageView.setImageBitmap(bitmap)		//this will set bitmap on ImageView

Popularity 9/10 Helpfulness 1/10 Language whatever

Source: Grepper

Tags: file generate imageview path pdf whatever

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Contributed on Sep 02 2022

Awais Hamza

0 Answers Avg Quality 2/10

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