Class that helps to debug layout changes animation

LayoutTransitionLogger.java

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;
    public LayoutTransitionLogger(String logTAG)
    {
        this.logTAG = logTAG;
    }

    @Override
    public void startTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) {
        Log.d(logTAG, "\n\n startTransition: in "+container+" view "+view+" type "+ descr(transitionType));
    }

    @Override
    public void endTransition(LayoutTransition transition, ViewGroup container, View view, int transitionType) {
        Log.d(logTAG, "\n\n endTransition: in "+container+" view "+view+" type "+ descr(transitionType));
    }

    String descr(int transitionType) {
        String[] m = new String[]{"CHANGE_APPEARING","CHANGE_DISAPPEARING","APPEARING","DISAPPEARING"};
        return "" + transitionType + ": " + m[transitionType&3] + " changing="+( transitionType&LayoutTransition.CHANGING);
    }

    public String getLogTAG() {
        return logTAG;
    }

    public void setLogTAG(String logTAG) {
        this.logTAG = logTAG;
    }
}