How to parse hex color String to Integer

Question

I'm working on some code in Robolectric, namely IntegerResourceLoader. The following method is throwing a RuntimeException when rawValue is something such as 0xFFFF0000:

@Override
public Object convertRawValue( String rawValue ) {
    try {
        return Integer.parseInt( rawValue );
    } catch ( NumberFormatException nfe ) {
        throw new RuntimeException( rawValue + " is not an integer." );
    }
}

I tried using Integer.decode(String) but that throws a NumberFormatException even though the grammar appears to be correct.

Answer 1

decode() is the right method to call but it fails because 0xFFFF0000 is higher than 0x7fffffff max limit for integer. You may want to consider Long.