IconToast.java

package com.bubblesoft.android.utils;

import android.app.Activity;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AlphaAnimation;
import android.view.animation.Animation;
import android.widget.ImageView;
import android.widget.TextView;

public class IconToast {


	private static final int ANIMATION_DURATION = 600;
	private static final int HIDE_DELAY = 2000;

	private View mContainer;
	private ImageView mImageView;
	private TextView mTextView;
	private boolean mShowing;
	private Handler mHandler;
	private AlphaAnimation mFadeInAnimation;
	private AlphaAnimation mFadeOutAnimation;

	public IconToast(Activity activity, int layoutResId) {
		ViewGroup container = (ViewGroup) activity.findViewById(android.R.id.content);
		View v = activity.getLayoutInflater().inflate(layoutResId, container);
		init(v);
	}

	public IconToast(View v) {
		init(v);
	}

	private void init(View v) {
		mContainer = v.findViewById(R.id.container);
		mContainer.setVisibility(View.GONE);
		mTextView = v.findViewById(R.id.text);
		mImageView = v.findViewById(R.id.icon);

		mFadeInAnimation = new AlphaAnimation(0.0f, 1.0f);
		mFadeInAnimation.setDuration(ANIMATION_DURATION);
		
		mFadeOutAnimation = new AlphaAnimation(1.0f, 0.0f);
		mFadeOutAnimation.setDuration(ANIMATION_DURATION);
		mFadeOutAnimation.setAnimationListener(new Animation.AnimationListener() {
			@Override
			public void onAnimationStart(Animation animation) {
			}

			@Override
			public void onAnimationEnd(Animation animation) {
				mContainer.setVisibility(View.GONE);
				mShowing = false;
			}

			@Override
			public void onAnimationRepeat(Animation animation) {
			}
		});

		mHandler = new Handler();
	}


	public void show(Drawable drawable, String text) {
		
		mContainer.setVisibility(View.VISIBLE);
		
		mTextView.setVisibility(text == null ? View.GONE : View.VISIBLE);
		mTextView.setText(text);
		
		mImageView.setVisibility(drawable == null ? View.GONE : View.VISIBLE);
		mImageView.setImageDrawable(drawable);
		
		if(mShowing) {
			mHandler.removeCallbacks(mHideRunnable);
		} else {
			mContainer.startAnimation(mFadeInAnimation);
		}

		mHandler.postDelayed(mHideRunnable, HIDE_DELAY);
		
		mShowing = true;

	}


	private final Runnable mHideRunnable = new Runnable() {
		@Override
		public void run() {
			mContainer.startAnimation(mFadeOutAnimation);
		}
	};



}

Very nice. Thank you.
What is the licence on this? Can I use it in a "GPL v2 or later" project?
Can I change the package name, to avoid namespace fragmentation?