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Editorial Team
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Asked: 2026-05-30T01:58:08+00:00

In my android application I have a dialog box in which the user inputs

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In my android application I have a dialog box in which the user inputs info into an EditText and saves the data. Everything so far worked fine until I added an inputType to the EditTexts. I can’t seem to find the solution to this problem, I’m rather new to android programming and programming in general so it might be a dumb mistake but I can’t figure it out. Here some of the code:

private Dialog dialog() {
    Dialog diUnit = new Dialog(Overzicht.this);
    diUnit.setContentView(R.layout.unitdialog);
    EditText etKM = (EditText) diUnit.findViewById(R.id.etKM);
    etKM.setInputType(InputType.TYPE_CLASS_NUMBER);
    diUnit.setTitle("Add unit");
    diUnit.setCancelable(false);
    diUnit.getWindow().getAttributes().width = LayoutParams.FILL_PARENT;
    bUnitDialogSave = (Button) diUnit.findViewById(R.id.bUnitDialogVoegToe);
    bUnitDialogCancel = (Button) diUnit.findViewById(R.id.bUnitDialogCancel);
    bUnitDialogCancel.setOnClickListener(this);
    bUnitDialogAdd.setOnClickListener(this);
    return diUnit;
}

And the logcat :

image 1

I know it’s not storing the EditText input yet but the problem starts as soon as I add the setInputType line.

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1 Answer

  1. Editorial Team

    Try to inflate the layout R.layout.unitdialog into a View(with the LayoutInflater) and then search for that EditText in the inflated View:

    private Dialog dialog() {
    Dialog diUnit = new Dialog(Overzicht.this);
    LayoutInflater inflater = (LayoutInflater) getLayoutInflater();
    View content = inflater.inflate(R.layout.unitdialog, null);
    diUnit.setContentView(content);
    EditText etKM = (EditText) content.findViewById(R.id.etKM);
    etKM.setInputType(InputType.TYPE_CLASS_NUMBER);
    diUnit.setTitle("Add unit");
    diUnit.setCancelable(false);
    diUnit.getWindow().getAttributes().width = LayoutParams.FILL_PARENT;
    bUnitDialogSave = (Button) diUnit.findViewById(R.id.bUnitDialogVoegToe);
    bUnitDialogCancel = (Button) diUnit.findViewById(R.id.bUnitDialogCancel);
    bUnitDialogCancel.setOnClickListener(this);
    bUnitDialogAdd.setOnClickListener(this);
    return diUnit;
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