Open pdf file on android studio and open a black screen pdf

Question

Emulator.Try to open pdf file that is stored in the emulator and through file provider. The problem is that the pdf opens up but its content is empty(black screen). Thank You!

            File item = new File("/storage/emulated/0/Download/theoretical_computer_science_cheat_sheet.pdf");
            Uri uri = FileProvider.getUriForFile(MainActivity.this[enter image description here][1],getApplicationContext().getPackageName() + ".share",item);
            //Uri uri = getUriForFile(getBaseContext(), getApplicationContext().getPackageName() + ".share",item);
            Intent intent = new Intent(Intent.ACTION_VIEW,uri);
            intent.setDataAndType(uri,"application/pdf");

            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
            intent.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
            try {
                getApplicationContext().startActivity(intent);
            } catch (ActivityNotFoundException e) {
                // Instruct the user to install a PDF reader here, or something
            }

score 0 · Answer 1 · answered May 23 '19 at 20:56

0

Try to load that pdf file first? I suspect your PDF reader will load by itself.

answered May 23 '19 at 20:56

Qingfei Yuan

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what do you mean by loading the pdf? i appreciate your comment. – Dionysis May 23 '19 at 21:00
>String url = "http://www.example.com"; Intent i = new Intent(Intent.ACTION_VIEW); i.setData(Uri.parse(url)); startActivity(i); – Qingfei Yuan May 23 '19 at 21:01
refer to [here](https://stackoverflow.com/questions/3004515/sending-an-intent-to-browser-to-open-specific-url) – Qingfei Yuan May 23 '19 at 21:02
i think this will not work. My pdf is already inside the emulator storage – Dionysis May 23 '19 at 21:11

Open pdf file on android studio and open a black screen pdf

1 Answers1