pdfVIew doesn't work on my kotlin development environment

Question

I put some pdf files to test pdf loading from external storage and made a code following :

The code is :

val main_path = "/storage/emulated/0/"
val dl_path = Environment.DIRECTORY_DOWNLOADS
val filename = "GLCIC.pdf"
val filename2 = "edge.pdf"
private val img_path = Environment.DIRECTORY_DCIM
private val mv_path = Environment.DIRECTORY_MOVIES

override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_main)

    if(checkPermission(Storage_Permission,Flag_Permission_storage)){
        Log.d("check","Permission Granted")
    }


    val intent = Intent(this,ViewActivity::class.java)
    val intent_store = Intent(this,ViewActivity::class.java)
    btn1.setOnClickListener {
        intent.putExtra("pressed","asset")
        startActivity(intent) }

    btn2.setOnClickListener {
        intent_store.putExtra("pdf",main_path+dl_path+"/"+filename2)
        startActivity(intent_store)

This is a code in mainActivity and pressing btn2 will pass an Intent to viewActivity.

val pressed2 = intent.getStringExtra("pdf")
    Log.d("1","112:"+pressed2.toString())
    if(!TextUtils.isEmpty(pressed2))
    {
        Log.d("1","11:"+pressed2.toString())
        val pdf_file = File(pressed2)
        pdfview.fromFile(pdf_file)
    }

This is code in viewActivity.

This code made a log :

D/1: 112:/storage/emulated/0/Download/edge.pdf
11:/storage/emulated/0/Download/edge.pdf

Judging from the log I don't think that I made any mistake, but the pdfview did not work, showing the white screen .

Please somebody tell me where I made mistake. I really want to load a file, or make a list of files in a directory. But I am mazed for few weeks.

Please dont post images. Only text. Remove the image. You could also just tell how you placed the images there. — blackapps
– blackapps, Commented Nov 5, 2020 at 11:59

Priyaank · Accepted Answer · 2020-11-05 09:37:30Z

0

Maybe the text color is white. Try setting the text color to Black, I made this mistake once and I had set the text color to White by mistake, so maybe it could work.

And if its not the text color then please upload the entire code.

answered Nov 5, 2020 at 9:37

Priyaank

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