Program: 78182
Project: 78182
Buggy source:
@Override public void onQRCodeRead(String text,PointF[] points){
  System.out.println(text);
  try {
    String[] splitt=text.split("String_Node_Str");
    System.out.println(splitt.length);
    if (splitt.length == 4 || splitt.length == 2) {
      String arosend=splitt[0];
      if (arosend.equalsIgnoreCase("String_Node_Str")) {
        qrCodeReaderView.stopCamera();
        qrCodeReaderView.setQRDecodingEnabled(false);
        final String address=splitt[1];
        try {
          Double.parseDouble(splitt[2]);
        }
 catch (        Exception e) {
          showPage("String_Node_Str");
          EditText et=findViewById(R.id.addressto);
          et.setText(address);
          new MaterialDialog.Builder(HomeView.this).title("String_Node_Str").content("String_Node_Str").positiveText("String_Node_Str").show();
          return;
        }
        final Double val=Double.parseDouble(splitt[2]);
        String message=splitt[3];
        if (message.isEmpty())         message="String_Node_Str";
        new MaterialDialog.Builder(HomeView.this).title("String_Node_Str").content("String_Node_Str" + "String_Node_Str" + address + "String_Node_Str"+ doubleVal(val).replace("String_Node_Str","String_Node_Str")+ "String_Node_Str"+ message).positiveText("String_Node_Str").negativeText("String_Node_Str").onNegative(new MaterialDialog.SingleButtonCallback(){
          @Override public void onClick(          @NonNull MaterialDialog dialog,          @NonNull DialogAction which){
            replaceView(qrCodeReaderView,savedState);
            savedState=new QRCodeReaderView(HomeView.this);
            savedState.setId(R.id.receivescanner);
            savedState.setLayoutParams(new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,RelativeLayout.LayoutParams.MATCH_PARENT));
            qrCodeReaderView=findViewById(R.id.receivescanner);
            qrCodeReaderView.setQRDecodingEnabled(true);
            qrCodeReaderView.startCamera();
            qrCodeReaderView.setQRDecodingEnabled(true);
            qrCodeReaderView.startCamera();
            qrCodeReaderView.bringToFront();
            qrCodeReaderView.setOnQRCodeReadListener(createQRlistener());
            qrCodeReaderView.setAutofocusInterval(1000L);
            qrCodeReaderView.setBackCamera();
            qrCodeReaderView.setQRDecodingEnabled(true);
          }
        }
).cancelable(false).onPositive(new MaterialDialog.SingleButtonCallback(){
          @Override public void onClick(          @NonNull MaterialDialog dialog,          @NonNull DialogAction which){
            makeTransaction(address,val.doubleValue(),"String_Node_Str",new Runnable(){
              @Override public void run(){
                replaceView(qrCodeReaderView,savedState);
                savedState=new QRCodeReaderView(HomeView.this);
                savedState.setId(R.id.receivescanner);
                savedState.setLayoutParams(new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,RelativeLayout.LayoutParams.MATCH_PARENT));
                qrCodeReaderView=findViewById(R.id.receivescanner);
                qrCodeReaderView.setQRDecodingEnabled(true);
                qrCodeReaderView.startCamera();
                qrCodeReaderView.setQRDecodingEnabled(true);
                qrCodeReaderView.startCamera();
                qrCodeReaderView.bringToFront();
                qrCodeReaderView.setOnQRCodeReadListener(createQRlistener());
                qrCodeReaderView.setAutofocusInterval(1000L);
                qrCodeReaderView.setBackCamera();
                qrCodeReaderView.setQRDecodingEnabled(true);
              }
            }
);
          }
        }
).show();
      }
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
}

Fixed version (ground truth):
@Override public void onQRCodeRead(String text,PointF[] points){
  System.out.println(text);
  try {
    String[] splitt=text.split("String_Node_Str");
    System.out.println(splitt.length);
    if (splitt.length == 4 || splitt.length == 2) {
      String arosend=splitt[0];
      if (arosend.equalsIgnoreCase("String_Node_Str")) {
        qrCodeReaderView.stopCamera();
        qrCodeReaderView.setQRDecodingEnabled(false);
        final String address=splitt[1];
        try {
          Double.parseDouble(splitt[2]);
        }
 catch (        Exception e) {
          showPage("String_Node_Str");
          EditText et=findViewById(R.id.addressto);
          et.setText(address);
          new MaterialDialog.Builder(HomeView.this).title("String_Node_Str").content("String_Node_Str").positiveText("String_Node_Str").show();
          return;
        }
        final Double val=Double.parseDouble(splitt[2]);
        String message=splitt[3];
        if (message.isEmpty())         message="String_Node_Str";
        new MaterialDialog.Builder(HomeView.this).title("String_Node_Str").content("String_Node_Str" + "String_Node_Str" + address + "String_Node_Str"+ doubleVal(val).replace("String_Node_Str","String_Node_Str")+ "String_Node_Str"+ message).positiveText("String_Node_Str").negativeText("String_Node_Str").onNegative(new MaterialDialog.SingleButtonCallback(){
          @Override public void onClick(          @NonNull MaterialDialog dialog,          @NonNull DialogAction which){
            qrCodeReaderView=findViewById(R.id.receivescanner);
            qrCodeReaderView.setQRDecodingEnabled(true);
            qrCodeReaderView.startCamera();
            qrCodeReaderView.setQRDecodingEnabled(true);
            qrCodeReaderView.startCamera();
            qrCodeReaderView.bringToFront();
            qrCodeReaderView.setOnQRCodeReadListener(createQRlistener());
            qrCodeReaderView.setAutofocusInterval(1000L);
            qrCodeReaderView.setBackCamera();
            qrCodeReaderView.setQRDecodingEnabled(true);
          }
        }
).cancelable(false).onPositive(new MaterialDialog.SingleButtonCallback(){
          @Override public void onClick(          @NonNull MaterialDialog dialog,          @NonNull DialogAction which){
            makeTransaction(address,val.doubleValue(),"String_Node_Str",new Runnable(){
              @Override public void run(){
                qrCodeReaderView=findViewById(R.id.receivescanner);
                qrCodeReaderView.startCamera();
                qrCodeReaderView.setQRDecodingEnabled(true);
              }
            }
);
          }
        }
).show();
      }
    }
  }
 catch (  Exception e) {
    e.printStackTrace();
  }
}