import android.text.InputFilter;
import android.text.Spanned;

public class DoubleMinMaxFilter implements InputFilter {

    private double mDoubleMin, mDoubleMax;

    public DoubleMinMaxFilter(double minValue, double maxValue) {
        this.mDoubleMin = minValue;
        this.mDoubleMax = maxValue;
    }

    @Override
    public CharSequence filter(CharSequence source, int start, int end, Spanned dest, int dstart, int dend) {
        try {
            double input = Double.parseDouble(dest.toString() + source.toString());
            if (isInRange(mDoubleMin, mDoubleMax, input))
                return null;
        } catch (NumberFormatException nfe) { }
        return "";
    }

    private boolean isInRange(double a, double b, double c) {
        return b > a ? c >= a && c <= b : c >= b && c <= a;
    }
}