-
- // The activity result is called after browsing for a file in the save alert dialog.
- public override fun onActivityResult(requestCode: Int, resultCode: Int, returnedIntent: Intent?) {
- // Run the default commands.
- super.onActivityResult(requestCode, resultCode, returnedIntent)
-
- // Only do something if the user didn't press back from the file picker.
- if (resultCode == RESULT_OK) {
- // Get a handle for the save dialog fragment.
- val saveDialogFragment = supportFragmentManager.findFragmentByTag(getString(R.string.save_dialog)) as DialogFragment?
-
- // Only update the file name if the dialog still exists.
- if (saveDialogFragment != null) {
- // Get a handle for the save dialog.
- val saveDialog = saveDialogFragment.dialog!!
-
- // Get a handle for the file name edit text.
- val fileNameEditText = saveDialog.findViewById<EditText>(R.id.file_name_edittext)
-
- // Get the file name URI from the intent.
- val fileNameUri = returnedIntent!!.data
-
- // Get the file name string from the URI.
- val fileNameString = fileNameUri.toString()
-
- // Set the file name text.
- fileNameEditText.setText(fileNameString)
-
- // Move the cursor to the end of the file name edit text.
- fileNameEditText.setSelection(fileNameString.length)
- }
- }
- }
-
- override fun onSave(saveType: Int, dialogFragment: DialogFragment) {
- // Get a handle for the dialog.
- val dialog = dialogFragment.dialog!!
-
- // Get a handle for the file name edit text.
- val fileNameEditText = dialog.findViewById<EditText>(R.id.file_name_edittext)
-
- // Get the file name string.
- val fileNameString = fileNameEditText.text.toString()
-
- // Get a handle for the about version linear layout.
- val aboutVersionLinearLayout = findViewById<LinearLayout>(R.id.about_version_linearlayout)
-
- // Process the save event according to the type.
- when (saveType) {
- SaveDialog.SAVE_ABOUT_VERSION_TEXT -> try {
- // Get a handle for the about version fragment.
- val aboutVersionFragment = aboutPagerAdapter.getTabFragment(0) as AboutVersionFragment
-
- // Get the about version text.
- val aboutVersionString = aboutVersionFragment.aboutVersionString
-
- // Create an input stream with the contents of about version.
- val aboutVersionInputStream: InputStream = ByteArrayInputStream(aboutVersionString.toByteArray(StandardCharsets.UTF_8))
-
- // Open an output stream.
- val outputStream = contentResolver.openOutputStream(Uri.parse(fileNameString))!!
-
- // Copy the input stream to the output stream.
- aboutVersionInputStream.copyTo(outputStream, 2048)
-
- // Close the streams.
- aboutVersionInputStream.close()
- outputStream.close()
-
- // Display a snackbar with the saved about version information.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.file_saved) + " " + fileNameString, Snackbar.LENGTH_SHORT).show()
- } catch (exception: Exception) {
- // Display a snackbar with the error message.
- Snackbar.make(aboutVersionLinearLayout, getString(R.string.error_saving_file) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show()
- }
-
- SaveDialog.SAVE_ABOUT_VERSION_IMAGE ->
- // Save the about version image.
- SaveAboutVersionImage(this, fileNameString, aboutVersionLinearLayout).execute()
- }
- }