vmax

class DateTimeAwareJSONEncoder(json.JSONEncoder):
    """
        A JSONEncoder subclass for handling objects of types `timedelta`, `datetime` and `date`
    """
    def default(self, obj):
        if isinstance(obj, datetime):
            return {
                '__type__': 'datetime',
                'year': obj.year,
                'month': obj.month,

vmax

package vmax.myway;

import android.animation.LayoutTransition;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;

public class LayoutTransitionLogger implements LayoutTransition.TransitionListener {

    private String logTAG;

vmax

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.util.AttributeSet;
import android.view.View;

public class EmptyRecyclerView extends RecyclerView {

    private View emptyView, nonEmptyView;

    final private AdapterDataObserver observer = new AdapterDataObserver() {

vmax

import android.content.Context;
import android.os.Handler;
import android.os.Message;
import android.util.AttributeSet;
import android.view.View;
import android.widget.AutoCompleteTextView;
import android.widget.ProgressBar;


public class DelayAutoCompleteTextView extends AutoCompleteTextView {

vmax

public class ViewWeightAnimationWrapper {
 private View view;

 public ViewWeightAnimationWrapper(View view) {
  if (view.getLayoutParams() instanceof LinearLayout.LayoutParams) {
   this.view = view;
  } else {
   throw new IllegalArgumentException("The view should have LinearLayout as parent");
  }
 }