Program: 58321
Project: 58321
Buggy source:
@Override public void onCreate(Bundle savedInstanceState){
  super.onCreate(savedInstanceState);
  getPreferenceManager().setSharedPreferencesMode(MODE_WORLD_READABLE);
  addPreferencesFromResource(R.xml.preferences);
  final SharedPreferences sharedPref=getPreferenceScreen().getSharedPreferences();
  sharedPref.registerOnSharedPreferenceChangeListener(this);
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  String base64billing="String_Node_Str";
  SettingsActivity.this.mHelper=new IabHelper(SettingsActivity.this,base64billing);
  SettingsActivity.this.mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener(){
    public void onIabSetupFinished(    IabResult result){
      if (!result.isSuccess()) {
        Log.d(TAG,"String_Node_Str" + result);
      }
    }
  }
);
  Preference pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      mHelper.launchPurchaseFlow(SettingsActivity.this,"String_Node_Str",1,SettingsActivity.this.mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      mHelper.launchPurchaseFlow(SettingsActivity.this,"String_Node_Str",5,SettingsActivity.this.mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      mHelper.launchPurchaseFlow(SettingsActivity.this,"String_Node_Str",10,SettingsActivity.this.mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
}

Fixed version (ground truth):
@Override public void onCreate(Bundle savedInstanceState){
  super.onCreate(savedInstanceState);
  getPreferenceManager().setSharedPreferencesMode(MODE_WORLD_READABLE);
  addPreferencesFromResource(R.xml.preferences);
  final SharedPreferences sharedPref=getPreferenceScreen().getSharedPreferences();
  sharedPref.registerOnSharedPreferenceChangeListener(this);
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  onSharedPreferenceChanged(sharedPref,"String_Node_Str");
  Preference pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      SharedPreferences.Editor edit=sharedPref.edit();
      edit.putLong("String_Node_Str",0);
      edit.commit();
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      ((SettingsActivity)getActivity()).mHelper.launchPurchaseFlow(getActivity(),"String_Node_Str",1,((SettingsActivity)getActivity()).mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      ((SettingsActivity)getActivity()).mHelper.launchPurchaseFlow(getActivity(),"String_Node_Str",5,((SettingsActivity)getActivity()).mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
  pref=(Preference)findPreference("String_Node_Str");
  pref.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener(){
    @Override public boolean onPreferenceClick(    Preference preference){
      ((SettingsActivity)getActivity()).mHelper.launchPurchaseFlow(getActivity(),"String_Node_Str",10,((SettingsActivity)getActivity()).mPurchaseFinishedListener,"String_Node_Str");
      return true;
    }
  }
);
}