samples/devbytes/animation/ToonGame/src/com/example/android/toongame/PlayerSetupActivity.java - platform/development.git - Git at Google

 /*
  * Copyright (C) 2013 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.example.android.toongame;

 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.AnimatorSet;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.animation.TimeInterpolator;
 import android.animation.ValueAnimator;
 import android.app.Activity;
 import android.content.res.ColorStateList;
 import android.graphics.Color;
 import android.graphics.Typeface;
 import android.graphics.drawable.ShapeDrawable;
 import android.graphics.drawable.shapes.OvalShape;
 import android.os.Bundle;
 import android.util.TypedValue;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
 import android.view.animation.AccelerateInterpolator;
 import android.view.animation.DecelerateInterpolator;
 import android.view.animation.LinearInterpolator;
 import android.view.animation.OvershootInterpolator;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.RelativeLayout;

 /**
  * This activity, launched from the ToonGame activity, takes the user between three
  * different setup screens where they choose a name, choose a difficulty rating, and
  * enter important financial information. All of the screens are meant to be
  * simple, engaging, and fun.
  */
 public class PlayerSetupActivity extends Activity {

     private static final AccelerateInterpolator sAccelerator = new AccelerateInterpolator();
     private static final LinearInterpolator sLinearInterpolator = new LinearInterpolator();
     ViewGroup mContainer;
     EditText mEditText;

     private static final int NAME_STATE = 0;
     private static final int DIFFICULTY_STATE = 1;
     private static final int CREDIT_STATE = 2;
     private int mEntryState = NAME_STATE;

     SkewableTextView mNameTV, mDifficultyTV, mCreditTV;

     ViewGroup mNameButtons, mDifficultyButtons, mCreditButtons1, mCreditButtons2;

     Button mBobButton, mJaneButton, mPatButton;

     private static final TimeInterpolator sOvershooter = new OvershootInterpolator();
     private static final DecelerateInterpolator sDecelerator = new DecelerateInterpolator();

     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.player_setup_layout);
         overridePendingTransition(0, 0);

         mContainer = (ViewGroup) findViewById(R.id.container);
         mContainer.getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);

         mNameTV = (SkewableTextView) findViewById(R.id.nameTV);
         mDifficultyTV = (SkewableTextView) findViewById(R.id.ageTV);
         mCreditTV = (SkewableTextView) findViewById(R.id.creditTV);

         mBobButton = setupButton(R.id.bobButton);
         setupButton(R.id.janeButton);
         setupButton(R.id.patButton);
         setupButton(R.id.easyButton);
         setupButton(R.id.hardButton);
         setupButton(R.id.megaHardButton);

         mNameButtons = (ViewGroup) findViewById(R.id.nameButtons);
         mDifficultyButtons = (ViewGroup) findViewById(R.id.difficultyButtons);
         mCreditButtons1 = (ViewGroup) findViewById(R.id.creditButtons1);
         mCreditButtons2 = (ViewGroup) findViewById(R.id.creditButtons2);
     }

     @Override
     public void finish() {
         super.finish();
         overridePendingTransition(0, 0);
     }

     private Button setupButton(int resourceId) {
         Button button = (Button) findViewById(resourceId);
         button.setOnTouchListener(mButtonPressListener);
         return button;
     }

     private View.OnTouchListener mButtonPressListener =
             new View.OnTouchListener() {
                 public boolean onTouch(View v, MotionEvent event) {
                     switch (event.getAction()) {
                     case MotionEvent.ACTION_DOWN:
                         v.animate().setDuration(ToonGame.SHORT_DURATION).
                                 scaleX(.8f).scaleY(.8f).setInterpolator(sDecelerator);
                         break;
                     case MotionEvent.ACTION_UP:
                         v.animate().setDuration(ToonGame.SHORT_DURATION).
                                 scaleX(1).scaleY(1).setInterpolator(sAccelerator);
                         break;
                     default:
                         break;
                     }
                     return false;
                 }
             };

     public void buttonClick(View clickedView, int alignmentRule) {
         ViewGroup parent = (ViewGroup) clickedView.getParent();
         for (int i = 0; i < parent.getChildCount(); ++i) {
             Button child = (Button) parent.getChildAt(i);
             if (child != clickedView) {
                 child.animate().alpha(0);
             } else {
                 final Button buttonCopy = new Button(this);
                 child.setVisibility(View.INVISIBLE);
                 buttonCopy.setBackground(child.getBackground());
                 buttonCopy.setText(((Button) child).getText());
                 RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
                         RelativeLayout.LayoutParams.WRAP_CONTENT,
                         RelativeLayout.LayoutParams.WRAP_CONTENT);
                 params.addRule(RelativeLayout.ALIGN_PARENT_TOP);
                 params.addRule(alignmentRule);
                 params.setMargins(25, 50, 25, 50);
                 buttonCopy.setLayoutParams(params);
                 buttonCopy.setPadding(child.getPaddingLeft(), child.getPaddingTop(),
                         child.getPaddingRight(), child.getPaddingBottom());
                 buttonCopy.setTextSize(TypedValue.COMPLEX_UNIT_PX, child.getTextSize());
                 buttonCopy.setTypeface(child.getTypeface(), Typeface.BOLD);
                 ColorStateList colors = child.getTextColors();
                 buttonCopy.setTextColor(colors.getDefaultColor());
                 final int[] oldLocationInWindow = new int[2];
                 child.getLocationInWindow(oldLocationInWindow);
                 mContainer.addView(buttonCopy);
                 buttonCopy.getViewTreeObserver().addOnPreDrawListener(
                         new ViewTreeObserver.OnPreDrawListener() {

                     @Override
                     public boolean onPreDraw() {
                         buttonCopy.getViewTreeObserver().removeOnPreDrawListener(this);
                         int[] locationInWindow = new int[2];
                         buttonCopy.getLocationInWindow(locationInWindow);
                         float deltaX = oldLocationInWindow[0] - locationInWindow[0];
                         float deltaY = oldLocationInWindow[1] - locationInWindow[1];

                         buttonCopy.setTranslationX(deltaX);
                         buttonCopy.setTranslationY(deltaY);

                         PropertyValuesHolder pvhSX =
                                 PropertyValuesHolder.ofFloat(View.SCALE_X, 3);
                         PropertyValuesHolder pvhSY =
                                 PropertyValuesHolder.ofFloat(View.SCALE_Y, 3);
                         ObjectAnimator bounceAnim = ObjectAnimator.ofPropertyValuesHolder(
                                 buttonCopy, pvhSX, pvhSY);
                         bounceAnim.setRepeatCount(1);
                         bounceAnim.setRepeatMode(ValueAnimator.REVERSE);
                         bounceAnim.setInterpolator(sDecelerator);
                         bounceAnim.setDuration(300);

                         PropertyValuesHolder pvhTX =
                                 PropertyValuesHolder.ofFloat(View.TRANSLATION_X, 0);
                         PropertyValuesHolder pvhTY =
                                 PropertyValuesHolder.ofFloat(View.TRANSLATION_Y, 0);
                         ObjectAnimator moveAnim = ObjectAnimator.ofPropertyValuesHolder(
                                 buttonCopy, pvhTX, pvhTY);
                         moveAnim.setDuration(600);
                         bounceAnim.start();
                         moveAnim.start();
                         moveAnim.addListener(new AnimatorListenerAdapter() {
                             public void onAnimationEnd(Animator animation) {
                                 switch (mEntryState) {
                                 case (NAME_STATE) :
                                 {
                                     Runnable runnable = new Runnable() {
                                         public void run() {
                                             mDifficultyButtons.setVisibility(View.VISIBLE);
                                             mNameButtons.setVisibility(View.GONE);
                                             popChildrenIn(mDifficultyButtons, null);
                                         }
                                     };
                                     slideToNext(mNameTV, mDifficultyTV, runnable);
                                     mEntryState = DIFFICULTY_STATE;
                                     break;
                                 }
                                 case (DIFFICULTY_STATE) :
                                 {
                                     mDifficultyButtons.setVisibility(View.GONE);
                                     for (int i = 0; i < 5; ++i) {
                                         mCreditButtons1.addView(setupNumberButton(i));
                                     }
                                     for (int i = 5; i < 10; ++i) {
                                         mCreditButtons2.addView(setupNumberButton(i));
                                     }
                                     Runnable runnable = new Runnable() {
                                         public void run() {
                                             mCreditButtons1.setVisibility(View.VISIBLE);
                                             Runnable runnable = new Runnable() {
                                                 public void run() {
                                                     mCreditButtons2.setVisibility(View.VISIBLE);
                                                     popChildrenIn(mCreditButtons2, null);
                                                 }
                                             };
                                             popChildrenIn(mCreditButtons1, runnable);
                                         }
                                     };
                                     slideToNext(mDifficultyTV, mCreditTV, runnable);
                                     mEntryState = CREDIT_STATE;
                                 }
                                     break;
                                 }
                             }
                         });
                         return true;
                     }
                 });
             }
         }
     }

     public void selectDifficulty(View clickedView) {
         buttonClick(clickedView, RelativeLayout.ALIGN_PARENT_RIGHT);
     }

     public void selectName(View clickedView) {
         buttonClick(clickedView, RelativeLayout.ALIGN_PARENT_LEFT);
     }

     private Button setupNumberButton(int number) {
         Button button = new Button(PlayerSetupActivity.this);
         button.setTextSize(15);
         button.setTextColor(Color.WHITE);
         button.setTypeface(mBobButton.getTypeface(), Typeface.BOLD);
         button.setText(Integer.toString(number));
         button.setPadding(0, 0, 0, 0);

         OvalShape oval = new OvalShape();
         ShapeDrawable drawable = new ShapeDrawable(oval);
         drawable.getPaint().setColor(0xFF << 24 | (int) (50 + 150 * Math.random()) << 16 |
                 (int) (50 + 150 * Math.random()) << 8 |  (int) (50 + 150 * Math.random()));
         button.setBackground(drawable);

         button.setOnTouchListener(mButtonPressListener);

         return button;
     }

     ViewTreeObserver.OnPreDrawListener mPreDrawListener =
             new ViewTreeObserver.OnPreDrawListener() {

         @Override
         public boolean onPreDraw() {
             mContainer.getViewTreeObserver().removeOnPreDrawListener(this);
             mContainer.setScaleX(0);
             mContainer.setScaleY(0);
             mContainer.animate().scaleX(1).scaleY(1).setInterpolator(new OvershootInterpolator());
             mContainer.animate().setDuration(ToonGame.LONG_DURATION).withEndAction(new Runnable() {

                 @Override
                 public void run() {
                     ViewGroup buttonsParent = (ViewGroup) findViewById(R.id.nameButtons);
                     buttonsParent.setVisibility(View.VISIBLE);
                     popChildrenIn(buttonsParent, null);
                 }
             });
             return false;
         }
     };

     private void popChildrenIn(ViewGroup parent, final Runnable endAction) {
         // for all children, scale in one at a time
         TimeInterpolator overshooter = new OvershootInterpolator();
         int childCount = parent.getChildCount();
         ObjectAnimator[] childAnims = new ObjectAnimator[childCount];
         for (int i = 0; i < childCount; ++i) {
             View child = parent.getChildAt(i);
             child.setScaleX(0);
             child.setScaleY(0);
             PropertyValuesHolder pvhSX = PropertyValuesHolder.ofFloat(View.SCALE_X, 1);
             PropertyValuesHolder pvhSY = PropertyValuesHolder.ofFloat(View.SCALE_Y, 1);
             ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(child, pvhSX, pvhSY);
             anim.setDuration(150);
             anim.setInterpolator(overshooter);
             childAnims[i] = anim;
         }
         AnimatorSet set = new AnimatorSet();
         set.playSequentially(childAnims);
         set.start();
         if (endAction != null) {
             set.addListener(new AnimatorListenerAdapter() {
                 public void onAnimationEnd(Animator animation) {
                     endAction.run();
                 }
             });
         }
     }

     private void slideToNext(final SkewableTextView currentView,
             final SkewableTextView nextView, final Runnable endAction) {
         // skew/anticipate current view, slide off, set GONE, restore translation
         ObjectAnimator currentSkewer = ObjectAnimator.ofFloat(currentView, "skewX", -.5f);
         currentSkewer.setInterpolator(sDecelerator);
         ObjectAnimator currentMover = ObjectAnimator.ofFloat(currentView, View.TRANSLATION_X,
                 -mContainer.getWidth());
         currentMover.setInterpolator(sLinearInterpolator);
         currentMover.setDuration(ToonGame.MEDIUM_DURATION);

         // set next view visible, translate off to right, skew,
         // slide on in parallel, overshoot/wobble, unskew
         nextView.setVisibility(View.VISIBLE);
         nextView.setSkewX(-.5f);
         nextView.setTranslationX(mContainer.getWidth());

         ObjectAnimator nextMover = ObjectAnimator.ofFloat(nextView, View.TRANSLATION_X, 0);
         nextMover.setInterpolator(sAccelerator);
         nextMover.setDuration(ToonGame.MEDIUM_DURATION);
         ObjectAnimator nextSkewer = ObjectAnimator.ofFloat(nextView, "skewX", 0);
         nextSkewer.setInterpolator(sOvershooter);

         AnimatorSet moverSet = new AnimatorSet();
         moverSet.playTogether(currentMover, nextMover);
         AnimatorSet fullSet = new AnimatorSet();
         fullSet.playSequentially(currentSkewer, moverSet, nextSkewer);
         fullSet.addListener(new AnimatorListenerAdapter() {
             @Override
             public void onAnimationEnd(Animator animation) {
                 currentView.setSkewX(0);
                 currentView.setVisibility(View.GONE);
                 currentView.setTranslationX(0);
                 if (endAction != null) {
                     endAction.run();
                 }
             }
         });

         fullSet.start();
     }

 }
	/*
	* Copyright (C) 2013 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.example.android.toongame;

	import android.animation.Animator;
	import android.animation.AnimatorListenerAdapter;
	import android.animation.AnimatorSet;
	import android.animation.ObjectAnimator;
	import android.animation.PropertyValuesHolder;
	import android.animation.TimeInterpolator;
	import android.animation.ValueAnimator;
	import android.app.Activity;
	import android.content.res.ColorStateList;
	import android.graphics.Color;
	import android.graphics.Typeface;
	import android.graphics.drawable.ShapeDrawable;
	import android.graphics.drawable.shapes.OvalShape;
	import android.os.Bundle;
	import android.util.TypedValue;
	import android.view.MotionEvent;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.ViewTreeObserver;
	import android.view.animation.AccelerateInterpolator;
	import android.view.animation.DecelerateInterpolator;
	import android.view.animation.LinearInterpolator;
	import android.view.animation.OvershootInterpolator;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.RelativeLayout;

	/**
	* This activity, launched from the ToonGame activity, takes the user between three
	* different setup screens where they choose a name, choose a difficulty rating, and
	* enter important financial information. All of the screens are meant to be
	* simple, engaging, and fun.
	*/
	public class PlayerSetupActivity extends Activity {

	private static final AccelerateInterpolator sAccelerator = new AccelerateInterpolator();
	private static final LinearInterpolator sLinearInterpolator = new LinearInterpolator();
	ViewGroup mContainer;
	EditText mEditText;

	private static final int NAME_STATE = 0;
	private static final int DIFFICULTY_STATE = 1;
	private static final int CREDIT_STATE = 2;
	private int mEntryState = NAME_STATE;

	SkewableTextView mNameTV, mDifficultyTV, mCreditTV;

	ViewGroup mNameButtons, mDifficultyButtons, mCreditButtons1, mCreditButtons2;

	Button mBobButton, mJaneButton, mPatButton;

	private static final TimeInterpolator sOvershooter = new OvershootInterpolator();
	private static final DecelerateInterpolator sDecelerator = new DecelerateInterpolator();

	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.player_setup_layout);
	overridePendingTransition(0, 0);

	mContainer = (ViewGroup) findViewById(R.id.container);
	mContainer.getViewTreeObserver().addOnPreDrawListener(mPreDrawListener);

	mNameTV = (SkewableTextView) findViewById(R.id.nameTV);
	mDifficultyTV = (SkewableTextView) findViewById(R.id.ageTV);
	mCreditTV = (SkewableTextView) findViewById(R.id.creditTV);

	mBobButton = setupButton(R.id.bobButton);
	setupButton(R.id.janeButton);
	setupButton(R.id.patButton);
	setupButton(R.id.easyButton);
	setupButton(R.id.hardButton);
	setupButton(R.id.megaHardButton);

	mNameButtons = (ViewGroup) findViewById(R.id.nameButtons);
	mDifficultyButtons = (ViewGroup) findViewById(R.id.difficultyButtons);
	mCreditButtons1 = (ViewGroup) findViewById(R.id.creditButtons1);
	mCreditButtons2 = (ViewGroup) findViewById(R.id.creditButtons2);
	}

	@Override
	public void finish() {
	super.finish();
	overridePendingTransition(0, 0);
	}

	private Button setupButton(int resourceId) {
	Button button = (Button) findViewById(resourceId);
	button.setOnTouchListener(mButtonPressListener);
	return button;
	}

	private View.OnTouchListener mButtonPressListener =
	new View.OnTouchListener() {
	public boolean onTouch(View v, MotionEvent event) {
	switch (event.getAction()) {
	case MotionEvent.ACTION_DOWN:
	v.animate().setDuration(ToonGame.SHORT_DURATION).
	scaleX(.8f).scaleY(.8f).setInterpolator(sDecelerator);
	break;
	case MotionEvent.ACTION_UP:
	v.animate().setDuration(ToonGame.SHORT_DURATION).
	scaleX(1).scaleY(1).setInterpolator(sAccelerator);
	break;
	default:
	break;
	}
	return false;
	}
	};

	public void buttonClick(View clickedView, int alignmentRule) {
	ViewGroup parent = (ViewGroup) clickedView.getParent();
	for (int i = 0; i < parent.getChildCount(); ++i) {
	Button child = (Button) parent.getChildAt(i);
	if (child != clickedView) {
	child.animate().alpha(0);
	} else {
	final Button buttonCopy = new Button(this);
	child.setVisibility(View.INVISIBLE);
	buttonCopy.setBackground(child.getBackground());
	buttonCopy.setText(((Button) child).getText());
	RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
	RelativeLayout.LayoutParams.WRAP_CONTENT,
	RelativeLayout.LayoutParams.WRAP_CONTENT);
	params.addRule(RelativeLayout.ALIGN_PARENT_TOP);
	params.addRule(alignmentRule);
	params.setMargins(25, 50, 25, 50);
	buttonCopy.setLayoutParams(params);
	buttonCopy.setPadding(child.getPaddingLeft(), child.getPaddingTop(),
	child.getPaddingRight(), child.getPaddingBottom());
	buttonCopy.setTextSize(TypedValue.COMPLEX_UNIT_PX, child.getTextSize());
	buttonCopy.setTypeface(child.getTypeface(), Typeface.BOLD);
	ColorStateList colors = child.getTextColors();
	buttonCopy.setTextColor(colors.getDefaultColor());
	final int[] oldLocationInWindow = new int[2];
	child.getLocationInWindow(oldLocationInWindow);
	mContainer.addView(buttonCopy);
	buttonCopy.getViewTreeObserver().addOnPreDrawListener(
	new ViewTreeObserver.OnPreDrawListener() {

	@Override
	public boolean onPreDraw() {
	buttonCopy.getViewTreeObserver().removeOnPreDrawListener(this);
	int[] locationInWindow = new int[2];
	buttonCopy.getLocationInWindow(locationInWindow);
	float deltaX = oldLocationInWindow[0] - locationInWindow[0];
	float deltaY = oldLocationInWindow[1] - locationInWindow[1];

	buttonCopy.setTranslationX(deltaX);
	buttonCopy.setTranslationY(deltaY);

	PropertyValuesHolder pvhSX =
	PropertyValuesHolder.ofFloat(View.SCALE_X, 3);
	PropertyValuesHolder pvhSY =
	PropertyValuesHolder.ofFloat(View.SCALE_Y, 3);
	ObjectAnimator bounceAnim = ObjectAnimator.ofPropertyValuesHolder(
	buttonCopy, pvhSX, pvhSY);
	bounceAnim.setRepeatCount(1);
	bounceAnim.setRepeatMode(ValueAnimator.REVERSE);
	bounceAnim.setInterpolator(sDecelerator);
	bounceAnim.setDuration(300);

	PropertyValuesHolder pvhTX =
	PropertyValuesHolder.ofFloat(View.TRANSLATION_X, 0);
	PropertyValuesHolder pvhTY =
	PropertyValuesHolder.ofFloat(View.TRANSLATION_Y, 0);
	ObjectAnimator moveAnim = ObjectAnimator.ofPropertyValuesHolder(
	buttonCopy, pvhTX, pvhTY);
	moveAnim.setDuration(600);
	bounceAnim.start();
	moveAnim.start();
	moveAnim.addListener(new AnimatorListenerAdapter() {
	public void onAnimationEnd(Animator animation) {
	switch (mEntryState) {
	case (NAME_STATE) :
	{
	Runnable runnable = new Runnable() {
	public void run() {
	mDifficultyButtons.setVisibility(View.VISIBLE);
	mNameButtons.setVisibility(View.GONE);
	popChildrenIn(mDifficultyButtons, null);
	}
	};
	slideToNext(mNameTV, mDifficultyTV, runnable);
	mEntryState = DIFFICULTY_STATE;
	break;
	}
	case (DIFFICULTY_STATE) :
	{
	mDifficultyButtons.setVisibility(View.GONE);
	for (int i = 0; i < 5; ++i) {
	mCreditButtons1.addView(setupNumberButton(i));
	}
	for (int i = 5; i < 10; ++i) {
	mCreditButtons2.addView(setupNumberButton(i));
	}
	Runnable runnable = new Runnable() {
	public void run() {
	mCreditButtons1.setVisibility(View.VISIBLE);
	Runnable runnable = new Runnable() {
	public void run() {
	mCreditButtons2.setVisibility(View.VISIBLE);
	popChildrenIn(mCreditButtons2, null);
	}
	};
	popChildrenIn(mCreditButtons1, runnable);
	}
	};
	slideToNext(mDifficultyTV, mCreditTV, runnable);
	mEntryState = CREDIT_STATE;
	}
	break;
	}
	}
	});
	return true;
	}
	});
	}
	}
	}

	public void selectDifficulty(View clickedView) {
	buttonClick(clickedView, RelativeLayout.ALIGN_PARENT_RIGHT);
	}

	public void selectName(View clickedView) {
	buttonClick(clickedView, RelativeLayout.ALIGN_PARENT_LEFT);
	}

	private Button setupNumberButton(int number) {
	Button button = new Button(PlayerSetupActivity.this);
	button.setTextSize(15);
	button.setTextColor(Color.WHITE);
	button.setTypeface(mBobButton.getTypeface(), Typeface.BOLD);
	button.setText(Integer.toString(number));
	button.setPadding(0, 0, 0, 0);

	OvalShape oval = new OvalShape();
	ShapeDrawable drawable = new ShapeDrawable(oval);
	drawable.getPaint().setColor(0xFF << 24 \| (int) (50 + 150 * Math.random()) << 16 \|
	(int) (50 + 150 * Math.random()) << 8 \| (int) (50 + 150 * Math.random()));
	button.setBackground(drawable);

	button.setOnTouchListener(mButtonPressListener);

	return button;
	}

	ViewTreeObserver.OnPreDrawListener mPreDrawListener =
	new ViewTreeObserver.OnPreDrawListener() {

	@Override
	public boolean onPreDraw() {
	mContainer.getViewTreeObserver().removeOnPreDrawListener(this);
	mContainer.setScaleX(0);
	mContainer.setScaleY(0);
	mContainer.animate().scaleX(1).scaleY(1).setInterpolator(new OvershootInterpolator());
	mContainer.animate().setDuration(ToonGame.LONG_DURATION).withEndAction(new Runnable() {

	@Override
	public void run() {
	ViewGroup buttonsParent = (ViewGroup) findViewById(R.id.nameButtons);
	buttonsParent.setVisibility(View.VISIBLE);
	popChildrenIn(buttonsParent, null);
	}
	});
	return false;
	}
	};

	private void popChildrenIn(ViewGroup parent, final Runnable endAction) {
	// for all children, scale in one at a time
	TimeInterpolator overshooter = new OvershootInterpolator();
	int childCount = parent.getChildCount();
	ObjectAnimator[] childAnims = new ObjectAnimator[childCount];
	for (int i = 0; i < childCount; ++i) {
	View child = parent.getChildAt(i);
	child.setScaleX(0);
	child.setScaleY(0);
	PropertyValuesHolder pvhSX = PropertyValuesHolder.ofFloat(View.SCALE_X, 1);
	PropertyValuesHolder pvhSY = PropertyValuesHolder.ofFloat(View.SCALE_Y, 1);
	ObjectAnimator anim = ObjectAnimator.ofPropertyValuesHolder(child, pvhSX, pvhSY);
	anim.setDuration(150);
	anim.setInterpolator(overshooter);
	childAnims[i] = anim;
	}
	AnimatorSet set = new AnimatorSet();
	set.playSequentially(childAnims);
	set.start();
	if (endAction != null) {
	set.addListener(new AnimatorListenerAdapter() {
	public void onAnimationEnd(Animator animation) {
	endAction.run();
	}
	});
	}
	}

	private void slideToNext(final SkewableTextView currentView,
	final SkewableTextView nextView, final Runnable endAction) {
	// skew/anticipate current view, slide off, set GONE, restore translation
	ObjectAnimator currentSkewer = ObjectAnimator.ofFloat(currentView, "skewX", -.5f);
	currentSkewer.setInterpolator(sDecelerator);
	ObjectAnimator currentMover = ObjectAnimator.ofFloat(currentView, View.TRANSLATION_X,
	-mContainer.getWidth());
	currentMover.setInterpolator(sLinearInterpolator);
	currentMover.setDuration(ToonGame.MEDIUM_DURATION);

	// set next view visible, translate off to right, skew,
	// slide on in parallel, overshoot/wobble, unskew
	nextView.setVisibility(View.VISIBLE);
	nextView.setSkewX(-.5f);
	nextView.setTranslationX(mContainer.getWidth());

	ObjectAnimator nextMover = ObjectAnimator.ofFloat(nextView, View.TRANSLATION_X, 0);
	nextMover.setInterpolator(sAccelerator);
	nextMover.setDuration(ToonGame.MEDIUM_DURATION);
	ObjectAnimator nextSkewer = ObjectAnimator.ofFloat(nextView, "skewX", 0);
	nextSkewer.setInterpolator(sOvershooter);

	AnimatorSet moverSet = new AnimatorSet();
	moverSet.playTogether(currentMover, nextMover);
	AnimatorSet fullSet = new AnimatorSet();
	fullSet.playSequentially(currentSkewer, moverSet, nextSkewer);
	fullSet.addListener(new AnimatorListenerAdapter() {
	@Override
	public void onAnimationEnd(Animator animation) {
	currentView.setSkewX(0);
	currentView.setVisibility(View.GONE);
	currentView.setTranslationX(0);
	if (endAction != null) {
	endAction.run();
	}
	}
	});

	fullSet.start();
	}

	}