KKorvin

public class Blinker {
  private float BLINK_TIME = 1f;
  private int BLINKING_FRAMES = 4;

  private boolean isBlinking;
  private int blinkFrameCounter;
  private float blinkTimer;

  public Blinker() {
      this.blinkTimer = 0;

KKorvin

    //Scale function:
    
    /**
     * Creates new bitmap by scaling given one
     *
     * @param scaleFactor
     * @param bitmap
     * @return new bitmap
     */
    public static Bitmap createScaledBitmap(Bitmap bitmap, float scaleFactor) {

KKorvin

/**
 * Orginal http://stackoverflow.com/questions/23122088/colored-boxed-with-letters-a-la-gmail
 * Used to create a {@link Bitmap} that contains a letter used in the English
 * alphabet or digit, if there is no letter or digit available, a default image
 * is shown instead.
 * 
 * Only English language supported.
 */
public class LetterBitmap {

KKorvin

// Don't forget to add Palette library to your build.gradle
// compile 'com.android.support:palette-v7:+'

 public static int getDominantColor(Bitmap bitmap) {
        List<Palette.Swatch> swatchesTemp = Palette.from(bitmap).generate().getSwatches();
        List<Palette.Swatch> swatches = new ArrayList<Palette.Swatch>(swatchesTemp);
        Collections.sort(swatches, new Comparator<Palette.Swatch>() {
            @Override
            public int compare(Palette.Swatch swatch1, Palette.Swatch swatch2) {
                return swatch2.getPopulation() - swatch1.getPopulation();