Program: 14185
Project: 14185
Buggy source:
private boolean handleLanguagePreferenceClick(){
  AlertDialog.Builder dialogBuilder=new AlertDialog.Builder(getActivity());
  dialogBuilder.setTitle(getString(R.string.language));
  String[] availableLocales=getResources().getStringArray(R.array.available_languages);
  final String[] values=new String[availableLocales.length + 1];
  final Map<String,String> localeMap=new HashMap<>();
  for (int i=0; i < availableLocales.length; ++i) {
    String localString=availableLocales[i];
    if (localString.contains("String_Node_Str")) {
      localString=localString.substring(0,localString.indexOf("String_Node_Str"));
    }
    Locale locale=new Locale(localString);
    values[i + 1]=locale.getDisplayLanguage() + "String_Node_Str" + availableLocales[i]+ "String_Node_Str";
    localeMap.put(values[i + 1],availableLocales[i]);
  }
  values[0]=getActivity().getString(R.string.device) + "String_Node_Str" + Locale.getDefault().getLanguage()+ "String_Node_Str";
  localeMap.put(values[0],Locale.getDefault().getLanguage());
  Arrays.sort(values,1,values.length);
  ArrayAdapter<String> adapter=new ArrayAdapter<>(getActivity(),android.R.layout.simple_list_item_1,values);
  ListView listView=new ListView(getActivity());
  listView.setAdapter(adapter);
  listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
    @Override public void onItemClick(    AdapterView<?> parent,    View view,    int position,    long id){
      Resources res=getResources();
      DisplayMetrics dm=res.getDisplayMetrics();
      Configuration conf=res.getConfiguration();
      String localString=localeMap.get(values[position]);
      if (localString.contains("String_Node_Str")) {
        conf.locale=new Locale(localString.substring(0,localString.indexOf("String_Node_Str")),localString.substring(localString.indexOf("String_Node_Str") + 1,localString.length()));
      }
 else {
        conf.locale=new Locale(localString);
      }
      res.updateConfiguration(conf,dm);
      mSettings.edit().putString(LANGUAGE_PREF_KEY,localeMap.get(values[position])).apply();
      if (position != 0) {
        Map<String,Object> properties=new HashMap<String,Object>();
        properties.put("String_Node_Str",conf.locale.toString());
        AnalyticsTracker.track(Stat.ACCOUNT_SETTINGS_LANGUAGE_SELECTION_FORCED,properties);
      }
      AnalyticsUtils.refreshMetadata();
      Intent refresh=new Intent(getActivity(),getActivity().getClass());
      startActivity(refresh);
      getActivity().setResult(LANGUAGE_CHANGED);
      getActivity().finish();
    }
  }
);
  dialogBuilder.setView(listView);
  dialogBuilder.setNegativeButton(R.string.cancel,new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int which){
      dialog.dismiss();
    }
  }
);
  mDialog=dialogBuilder.show();
  return true;
}

Fixed version (ground truth):
private boolean handleLanguagePreferenceClick(){
  AlertDialog.Builder dialogBuilder=new AlertDialog.Builder(getActivity());
  dialogBuilder.setTitle(getString(R.string.language));
  String[] availableLocales=getResources().getStringArray(R.array.available_languages);
  final String[] values=new String[availableLocales.length + 1];
  final Map<String,String> localeMap=new HashMap<>();
  for (int i=0; i < availableLocales.length; ++i) {
    String localString=availableLocales[i];
    if (localString.contains("String_Node_Str")) {
      localString=localString.substring(0,localString.indexOf("String_Node_Str"));
    }
    Locale locale=new Locale(localString);
    values[i + 1]=locale.getDisplayLanguage() + "String_Node_Str" + availableLocales[i]+ "String_Node_Str";
    localeMap.put(values[i + 1],availableLocales[i]);
  }
  values[0]=getActivity().getString(R.string.device) + "String_Node_Str" + Locale.getDefault().getLanguage()+ "String_Node_Str";
  localeMap.put(values[0],Locale.getDefault().getLanguage());
  Arrays.sort(values,1,values.length);
  ArrayAdapter<String> adapter=new ArrayAdapter<>(getActivity(),android.R.layout.simple_list_item_1,values);
  ListView listView=new ListView(getActivity());
  listView.setAdapter(adapter);
  listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
    @Override public void onItemClick(    AdapterView<?> parent,    View view,    int position,    long id){
      Resources res=getResources();
      DisplayMetrics dm=res.getDisplayMetrics();
      Configuration conf=res.getConfiguration();
      String localString=localeMap.get(values[position]);
      if (localString.contains("String_Node_Str")) {
        conf.locale=new Locale(localString.substring(0,localString.indexOf("String_Node_Str")),localString.substring(localString.indexOf("String_Node_Str") + 1,localString.length()));
      }
 else {
        conf.locale=new Locale(localString);
      }
      res.updateConfiguration(conf,dm);
      if (position > 0) {
        mSettings.edit().putString(LANGUAGE_PREF_KEY,localeMap.get(values[position])).apply();
      }
 else {
        mSettings.edit().remove(LANGUAGE_PREF_KEY).apply();
      }
      if (position != 0) {
        Map<String,Object> properties=new HashMap<String,Object>();
        properties.put("String_Node_Str",conf.locale.toString());
        AnalyticsTracker.track(Stat.ACCOUNT_SETTINGS_LANGUAGE_SELECTION_FORCED,properties);
      }
      AnalyticsUtils.refreshMetadata();
      Intent refresh=new Intent(getActivity(),getActivity().getClass());
      startActivity(refresh);
      getActivity().setResult(LANGUAGE_CHANGED);
      getActivity().finish();
    }
  }
);
  dialogBuilder.setView(listView);
  dialogBuilder.setNegativeButton(R.string.cancel,new DialogInterface.OnClickListener(){
    @Override public void onClick(    DialogInterface dialog,    int which){
      dialog.dismiss();
    }
  }
);
  mDialog=dialogBuilder.show();
  return true;
}