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Fixes #646 : App crash fixed on Share click #684

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Fixes #646 : App crash fixed on Share click #684

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20 changes: 11 additions & 9 deletions app/src/main/java/io/neurolab/activities/ShareDataActivity.java
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Original file line number Diff line number Diff line change
Expand Up @@ -65,10 +65,10 @@ protected void onCreate(Bundle savedInstanceState) {
File appDir = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + File.separator +
CSV_DIRECTORY);
File[] files = appDir.listFiles();
fileList = new String[files.length];
newFileName = new String[files.length];

if (appDir.listFiles() != null && files.length > 0) {
fileList = new String[files.length];
newFileName = new String[files.length];
int j = 0;
for (int i = 0; i < files.length; i++) {
fileList[j] = files[i].getAbsolutePath();
Expand All @@ -79,18 +79,20 @@ protected void onCreate(Bundle savedInstanceState) {
Toast.makeText(this, R.string.share_screen_toast, Toast.LENGTH_SHORT).show();
}

if (appDir.listFiles().length == 0) {
if (appDir.listFiles() == null) {
numberOfFiles.setVisibility(View.VISIBLE);
numberOfFiles.setText(R.string.no_datasets_message);
shareButton.setVisibility(View.INVISIBLE);
}

final List<String> file_list = new ArrayList<String>(Arrays.asList(newFileName));
final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>
(this, android.R.layout.simple_list_item_multiple_choice, file_list);
fileListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
fileListView.setItemsCanFocus(false);
fileListView.setAdapter(arrayAdapter);
if (newFileName != null) {
final List<String> file_list = new ArrayList<String>(Arrays.asList(newFileName));
final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>
(this, android.R.layout.simple_list_item_multiple_choice, file_list);
fileListView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
fileListView.setItemsCanFocus(false);
fileListView.setAdapter(arrayAdapter);
}

fileListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
Expand Down