castorflex

public static int nearestPowerOf2(int number) {
    --number;
    number |= number >>> 1;
    number |= number >>> 2;
    number |= number >>> 4;
    number |= number >>> 8;
    number |= number >>> 16;

    return ++number;
}

castorflex

 public void setFlippedDrawable(Drawable flippedDrawable){
        mFlippedDrawable = flippedDrawable;
        if(mIsFlipped) setImageDrawable(mFlippedDrawable);
    }

    public void setDrawable(Drawable drawable){
        mDrawable = drawable;
        if(!mIsFlipped) setImageDrawable(mDrawable);
    }

castorflex

import android.view.animation.Interpolator;

/**
 * Created with IntelliJ IDEA, best IDE in the world. User: castorflex Date: 06/06/13 Time: 22:18
 */
public class CustomBounceInterpolator implements Interpolator {

    @Override
    public float getInterpolation(float t) {
        return -(float) Math.abs(Math.sin((float) Math.PI * (t + 1) * (t + 1)) * (1 - t));

castorflex

Make your multiple type view adapter with annotations!

Gist for Making a Multiple View Types Adapter With Annotations

Pretty easy to use.

1. Create your delegate adapters, implementing DelegateAdapter, and with the annotation DelegateAdapterType. e.g:

@DelegateAdapterType(itemType = 0)

castorflex

# Eclipse
.project
.classpath
.settings
.checkstyle

# IntelliJ IDEA
.idea
*.iml
*.ipr

castorflex

public class URLUtils {

  private static final String fGOOGLE_DOC_URL = "http://docs.google.com/gview?embedded=true&url=%s";

  private enum GoogleDocType{
    PDF(".pdf"), DOC(".doc"), XLS(".xls"), DOCX(".docx"), XLSX(".xlsx");

    private String mSuffix;
    GoogleDocType(String suffix){
      mSuffix = suffix;

castorflex

public class CircularProgressDrawable extends Drawable
    implements Animatable {

  private static final Interpolator ANGLE_INTERPOLATOR      = new LinearInterpolator();
  private static final Interpolator SWEEP_INTERPOLATOR      = new DecelerateInterpolator();
  private static final int          ANGLE_ANIMATOR_DURATION = 2000;
  private static final int          SWEEP_ANIMATOR_DURATION = 600;
  private static final int          MIN_SWEEP_ANGLE         = 30;
  private final        RectF        fBounds                 = new RectF();

castorflex

public class ASCIIFolding {

    @NonNull
    public static String foldToASCII(@NonNull String input) {
        return foldToASCII(input, new StringBuilder(input.length()));
    }

    @NonNull
    public static String foldToASCII(@NonNull String input, @NonNull StringBuilder sb) {
        final int end = input.length();