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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.internal.app;
     18 
     19 import android.animation.Animator;
     20 import android.animation.ObjectAnimator;
     21 import android.annotation.Nullable;
     22 import android.app.Activity;
     23 import android.content.ActivityNotFoundException;
     24 import android.content.ContentResolver;
     25 import android.content.Intent;
     26 import android.content.res.ColorStateList;
     27 import android.graphics.Canvas;
     28 import android.graphics.Color;
     29 import android.graphics.ColorFilter;
     30 import android.graphics.Outline;
     31 import android.graphics.Paint;
     32 import android.graphics.Path;
     33 import android.graphics.PixelFormat;
     34 import android.graphics.PorterDuff;
     35 import android.graphics.PorterDuffColorFilter;
     36 import android.graphics.drawable.Drawable;
     37 import android.graphics.drawable.GradientDrawable;
     38 import android.graphics.drawable.RippleDrawable;
     39 import android.graphics.drawable.ShapeDrawable;
     40 import android.graphics.drawable.shapes.OvalShape;
     41 import android.os.Bundle;
     42 import android.provider.Settings;
     43 import android.util.DisplayMetrics;
     44 import android.util.Log;
     45 import android.util.MathUtils;
     46 import android.view.Gravity;
     47 import android.view.KeyEvent;
     48 import android.view.View;
     49 import android.view.ViewGroup;
     50 import android.view.ViewOutlineProvider;
     51 import android.view.animation.PathInterpolator;
     52 import android.widget.FrameLayout;
     53 import android.widget.ImageView;
     54 
     55 public class PlatLogoActivity extends Activity {
     56     public static final boolean FINISH = true;
     57 
     58     FrameLayout mLayout;
     59     int mTapCount;
     60     int mKeyCount;
     61     PathInterpolator mInterpolator = new PathInterpolator(0f, 0f, 0.5f, 1f);
     62 
     63     @Override
     64     protected void onCreate(Bundle savedInstanceState) {
     65         super.onCreate(savedInstanceState);
     66 
     67         mLayout = new FrameLayout(this);
     68         setContentView(mLayout);
     69     }
     70 
     71     @Override
     72     public void onAttachedToWindow() {
     73         final DisplayMetrics dm = getResources().getDisplayMetrics();
     74         final float dp = dm.density;
     75         final int size = (int)
     76                 (Math.min(Math.min(dm.widthPixels, dm.heightPixels), 600*dp) - 100*dp);
     77 
     78         final ImageView im = new ImageView(this);
     79         final int pad = (int)(40*dp);
     80         im.setPadding(pad, pad, pad, pad);
     81         im.setTranslationZ(20);
     82         im.setScaleX(0.5f);
     83         im.setScaleY(0.5f);
     84         im.setAlpha(0f);
     85 
     86         im.setBackground(new RippleDrawable(
     87                 ColorStateList.valueOf(0xFF776677),
     88                 getDrawable(com.android.internal.R.drawable.platlogo),
     89                 null));
     90         im.setOutlineProvider(new ViewOutlineProvider() {
     91             @Override
     92             public void getOutline(View view, Outline outline) {
     93                 final int w = view.getWidth();
     94                 final int h = view.getHeight();
     95                 outline.setOval((int)(w*.125), (int)(h*.125), (int)(w*.96), (int)(h*.96));
     96             }
     97         });
     98         im.setElevation(12f*dp);
     99         im.setClickable(true);
    100         im.setOnClickListener(new View.OnClickListener() {
    101             @Override
    102             public void onClick(View v) {
    103                 im.setOnLongClickListener(new View.OnLongClickListener() {
    104                     @Override
    105                     public boolean onLongClick(View v) {
    106                         if (mTapCount < 5) return false;
    107 
    108                         final ContentResolver cr = getContentResolver();
    109                         if (Settings.System.getLong(cr, Settings.System.EGG_MODE, 0)
    110                                 == 0) {
    111                             // For posterity: the moment this user unlocked the easter egg
    112                             try {
    113                                 Settings.System.putLong(cr,
    114                                         Settings.System.EGG_MODE,
    115                                         System.currentTimeMillis());
    116                             } catch (RuntimeException e) {
    117                                 Log.e("PlatLogoActivity", "Can't write settings", e);
    118                             }
    119                         }
    120                         im.post(new Runnable() {
    121                             @Override
    122                             public void run() {
    123                                 try {
    124                                     startActivity(new Intent(Intent.ACTION_MAIN)
    125                                             .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
    126                                                     | Intent.FLAG_ACTIVITY_CLEAR_TASK
    127                                                     | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
    128                                             .addCategory("com.android.internal.category.PLATLOGO"));
    129                                 } catch (ActivityNotFoundException ex) {
    130                                     Log.e("PlatLogoActivity", "No more eggs.");
    131                                 }
    132                                 if (FINISH) finish();
    133                             }
    134                         });
    135                         return true;
    136                     }
    137                 });
    138                 mTapCount++;
    139             }
    140         });
    141 
    142         // Enable hardware keyboard input for TV compatibility.
    143         im.setFocusable(true);
    144         im.requestFocus();
    145         im.setOnKeyListener(new View.OnKeyListener() {
    146             @Override
    147             public boolean onKey(View v, int keyCode, KeyEvent event) {
    148                 if (keyCode != KeyEvent.KEYCODE_BACK && event.getAction() == KeyEvent.ACTION_DOWN) {
    149                     ++mKeyCount;
    150                     if (mKeyCount > 2) {
    151                         if (mTapCount > 5) {
    152                             im.performLongClick();
    153                         } else {
    154                             im.performClick();
    155                         }
    156                     }
    157                     return true;
    158                 } else {
    159                     return false;
    160                 }
    161             }
    162         });
    163 
    164         mLayout.addView(im, new FrameLayout.LayoutParams(size, size, Gravity.CENTER));
    165 
    166         im.animate().scaleX(1f).scaleY(1f).alpha(1f)
    167                 .setInterpolator(mInterpolator)
    168                 .setDuration(500)
    169                 .setStartDelay(800)
    170                 .start();
    171     }
    172 }
    173