How do I restrict my EditText input to numerical (possibly decimal and signed) input?

Question

I have read Android: Limiting EditText to numbers and How do I show the number keyboard on an EditText in android?. Unfortunately, none of them seems to fit my needs.

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Answer 1

EditText edit = new EditText(this);

edit.setHorizontallyScrolling(true);
edit.setInputType(EditorInfo.TYPE_NUMBER_FLAG_SIGNED|EditorInfo.TYPE_CLASS_NUMBER);