PdfView.java 文件源码

@RequiresApi(api = Build.VERSION_CODES.KITKAT)
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    //PDF
    if (resultCode == RESULT_OK) {
        if (requestCode == SELECT_PDF) {

            Uri selectedUri_PDF = data.getData();
            InputStream inputstream;
            try {
                inputstream = getContentResolver().openInputStream(selectedUri_PDF);
                pdfview.fromStream(inputstream).load();
            } catch (FileNotFoundException e) {
                e.printStackTrace();
                Toast.makeText(PdfView.this, "unable to open", Toast.LENGTH_SHORT).show();
            }
        }
    }
    else
    {
        startActivity(new Intent(PdfView.this,Subjects.class));
        finish();
    }
}