- // Display a snackbar.
- Snackbar.make(logcatTextView, getString(R.string.file_saved_successfully), Snackbar.LENGTH_SHORT).show();
- } catch (Exception exception) {
- // Display a snackbar with the error message.
- Snackbar.make(logcatTextView, getString(R.string.save_failed) + " " + exception.toString(), Snackbar.LENGTH_INDEFINITE).show();
- }
- }
-
- // The activity result is called after browsing for a file in the save alert dialog.
- @Override
- public void onActivityResult(int requestCode, int resultCode, Intent data) {
- // Don't do anything if the user pressed back from the file picker.
- if (resultCode == Activity.RESULT_OK) {
- // Get a handle for the save dialog fragment.
- DialogFragment saveDialogFragment = (DialogFragment) getSupportFragmentManager().findFragmentByTag(getString(R.string.save_logcat));
-
- // Only update the file name if the dialog still exists.
- if (saveDialogFragment != null) {
- // Get a handle for the save dialog.
- Dialog saveDialog = saveDialogFragment.getDialog();
-
- // Get a handle for the file name edit text.
- EditText fileNameEditText = saveDialog.findViewById(R.id.file_name_edittext);
-
- // Instantiate the file name helper.
- FileNameHelper fileNameHelper = new FileNameHelper();
-
- // Convert the file name URI to a file name path.
- String fileNamePath = fileNameHelper.convertUriToFileNamePath(data.getData());
-
- // Set the file name path as the text of the file name edit text.
- fileNameEditText.setText(fileNamePath);
- }
- }
- }
-
- // `Void` does not declare any parameters. `Void` does not declare progress units. `String` contains the results.
- private static class GetLogcat extends AsyncTask<Void, Void, String> {
- // Create a weak reference to the calling activity.
- private final WeakReference<Activity> activityWeakReference;
-
- // Populate the weak reference to the calling activity.
- GetLogcat(Activity activity) {
- activityWeakReference = new WeakReference<>(activity);
- }
-
- @Override
- protected String doInBackground(Void... parameters) {
- // Get a handle for the activity.
- Activity activity = activityWeakReference.get();
-
- // Abort if the activity is gone.
- if ((activity == null) || activity.isFinishing()) {
- return "";
- }
-
- // Create a log string builder.
- StringBuilder logStringBuilder = new StringBuilder();
-
- try {
- // Get the logcat. `-b all` gets all the buffers (instead of just crash, main, and system). `-v long` produces more complete information. `-d` dumps the logcat and exits.
- Process process = Runtime.getRuntime().exec("logcat -b all -v long -d");
-
- // Wrap the logcat in a buffered reader.
- BufferedReader logBufferedReader = new BufferedReader(new InputStreamReader(process.getInputStream()));