how to open pdf from sdcard

Question

Trying to open pdf file from download folder on device, i save the name of file in firebase and now i want to check if the file is already found on device and then open it else download from firebase.

File file = new File(Environment.getExternalStorageDirectory() + "filename");
System.out.println(Environment.getExternalStorageDirectory());

///but when i print Environment.getExternalStorageDirectory() i get 
///storage/emulated/0

if (file.exists()) {
    System.out.println(file.getAbsoluteFile());
    Intent target = new Intent(Intent.ACTION_VIEW);
    target.setDataAndType(Uri.fromFile(file), "application/pdf");
    target = Intent.createChooser(target, "Open File");
    target.setFlags(Intent.FLAG_ACTIVITY_NO_HISTORY);
    Intent intent = Intent.createChooser(target, "Open File");
    try {
        startActivity(intent);
    } catch (ActivityNotFoundException e) {
        e.printStackTrace();
    }
} else {
    System.out.println("file not found");
}

For checking if your file exist you can use FileOutputStream with your file and check with debug when executed and test with add "file:" before your path — Vodet, Apr 30 '19 at 07:15
Did you follow the [the guide](https://developer.android.com/guide/topics/data/data-storage) ? — vincrichaud, Apr 30 '19 at 07:17
Please refer to this link i think it will helpful for you [Open pdf using intent](https://stackoverflow.com/a/17453242/7628524) — Adnan Yousaf, Apr 30 '19 at 07:54

score 2 · Answer 1 · answered Apr 30 '19 at 07:14

2

try this to get your file from download directory

File file = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/" + filename);

answered Apr 30 '19 at 07:14

Priyanka

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i did what you suggets but now i get another exeption FileUriExposedException – koby Apr 30 '19 at 11:37
see this link https://medium.com/@ali.muzaffar/what-is-android-os-fileuriexposedexception-and-what-you-can-do-about-it-70b9eb17c6d0 – Priyanka Apr 30 '19 at 12:04

how to open pdf from sdcard

1 Answers1