package believe.cht.fadeintextview;
import android.text.TextPaint;
import android.text.style.CharacterStyle;
import android.text.style.UpdateAppearance;
/**
* Created by Chahat on 18-May-18.
*/
class Letter extends CharacterStyle implements UpdateAppearance {
private float alpha = 0.0f;
@Override
public void updateDrawState(TextPaint tp) {
int color = ((int) (0xFF * alpha) << 24) | (tp.getColor() & 0x00FFFFFF);
tp.setColor(color);
}
public void setAlpha(float alpha) {
this.alpha = Math.max(Math.min(alpha, 1.0f), 0.0f);
}
}
