PlatLogoActivity.java revision 2fdb68b3c2ac5e72fdaa590eb70fca0c6a9f5ef0 
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
17package com.android.internal.app;
18
19import android.app.Activity;
20import android.content.ActivityNotFoundException;
21import android.content.Context;
22import android.content.Intent;
23import android.graphics.Typeface;
24import android.provider.Settings;
25import android.os.Build;
26import android.os.Bundle;
27import android.os.Handler;
28import android.text.method.AllCapsTransformationMethod;
29import android.text.method.TransformationMethod;
30import android.util.DisplayMetrics;
31import android.view.Gravity;
32import android.view.View;
33import android.view.ViewGroup;
34import android.view.animation.AccelerateInterpolator;
35import android.view.animation.AnticipateOvershootInterpolator;
36import android.view.animation.DecelerateInterpolator;
37import android.widget.FrameLayout;
38import android.widget.ImageView;
39import android.widget.LinearLayout;
40import android.widget.TextView;
41import android.widget.Toast;
42
43public class PlatLogoActivity extends Activity {
44    FrameLayout mContent;
45    int mCount;
46    final Handler mHandler = new Handler();
47    static final int BGCOLOR = 0xffed1d24;
48
49    @Override
50    protected void onCreate(Bundle savedInstanceState) {
51        super.onCreate(savedInstanceState);
52
53        DisplayMetrics metrics = new DisplayMetrics();
54        getWindowManager().getDefaultDisplay().getMetrics(metrics);
55
56        Typeface bold = Typeface.create("sans-serif", Typeface.BOLD);
57        Typeface light = Typeface.create("sans-serif-light", Typeface.NORMAL);
58
59        mContent = new FrameLayout(this);
60        mContent.setBackgroundColor(0xC0000000);
61
62        final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
63                FrameLayout.LayoutParams.WRAP_CONTENT,
64                FrameLayout.LayoutParams.WRAP_CONTENT);
65        lp.gravity = Gravity.CENTER;
66
67        final ImageView logo = new ImageView(this);
68        logo.setImageResource(com.android.internal.R.drawable.platlogo);
69        logo.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
70        logo.setVisibility(View.INVISIBLE);
71
72        final View bg = new View(this);
73        bg.setBackgroundColor(BGCOLOR);
74        bg.setAlpha(0f);
75
76        final TextView letter = new TextView(this);
77
78        letter.setTypeface(bold);
79        letter.setTextSize(300);
80        letter.setTextColor(0xFFFFFFFF);
81        letter.setGravity(Gravity.CENTER);
82        letter.setText(String.valueOf(Build.VERSION.RELEASE).substring(0, 1));
83
84        final int p = (int)(4 * metrics.density);
85
86        final TextView tv = new TextView(this);
87        if (light != null) tv.setTypeface(light);
88        tv.setTextSize(30);
89        tv.setPadding(p, p, p, p);
90        tv.setTextColor(0xFFFFFFFF);
91        tv.setGravity(Gravity.CENTER);
92        tv.setTransformationMethod(new AllCapsTransformationMethod(this));
93        tv.setText("Android " + Build.VERSION.RELEASE);
94        tv.setVisibility(View.INVISIBLE);
95
96        mContent.addView(bg);
97        mContent.addView(letter, lp);
98        mContent.addView(logo, lp);
99
100        final FrameLayout.LayoutParams lp2 = new FrameLayout.LayoutParams(lp);
101        lp2.gravity = Gravity.BOTTOM | Gravity.CENTER_HORIZONTAL;
102        lp2.bottomMargin = 10*p;
103
104        mContent.addView(tv, lp2);
105
106        mContent.setOnClickListener(new View.OnClickListener() {
107            int clicks;
108            @Override
109            public void onClick(View v) {
110                clicks++;
111                if (clicks >= 6) {
112                    mContent.performLongClick();
113                    return;
114                }
115                letter.animate().cancel();
116                final float offset = (int)letter.getRotation() % 360;
117                letter.animate()
118                    .rotationBy((Math.random() > 0.5f ? 360 : -360) - offset)
119                    .setInterpolator(new DecelerateInterpolator())
120                    .setDuration(700).start();
121            }
122        });
123
124        mContent.setOnLongClickListener(new View.OnLongClickListener() {
125            @Override
126            public boolean onLongClick(View v) {
127                if (logo.getVisibility() != View.VISIBLE) {
128                    bg.setScaleX(0.01f);
129                    bg.animate().alpha(1f).scaleX(1f).setStartDelay(500).start();
130                    letter.animate().alpha(0f).scaleY(0.5f).scaleX(0.5f)
131                            .rotationBy(360)
132                            .setInterpolator(new AccelerateInterpolator())
133                            .setDuration(1000)
134                            .start();
135                    logo.setAlpha(0f);
136                    logo.setVisibility(View.VISIBLE);
137                    logo.setScaleX(0.5f);
138                    logo.setScaleY(0.5f);
139                    logo.animate().alpha(1f).scaleX(1f).scaleY(1f)
140                        .setDuration(1000).setStartDelay(500)
141                        .setInterpolator(new AnticipateOvershootInterpolator())
142                        .start();
143                    tv.setAlpha(0f);
144                    tv.setVisibility(View.VISIBLE);
145                    tv.animate().alpha(1f).setDuration(1000).setStartDelay(1000).start();
146                    return true;
147                }
148                return false;
149            }
150        });
151
152        logo.setOnLongClickListener(new View.OnLongClickListener() {
153            @Override
154            public boolean onLongClick(View v) {
155                if (Settings.System.getLong(getContentResolver(), Settings.System.EGG_MODE, 0)
156                        == 0) {
157                    // For posterity: the moment this user unlocked the easter egg
158                    Settings.System.putLong(getContentResolver(),
159                            Settings.System.EGG_MODE,
160                            System.currentTimeMillis());
161                }
162                try {
163                    startActivity(new Intent(Intent.ACTION_MAIN)
164                        .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
165                            | Intent.FLAG_ACTIVITY_CLEAR_TASK
166                            | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS)
167                        .addCategory("com.android.internal.category.PLATLOGO"));
168                } catch (ActivityNotFoundException ex) {
169                    android.util.Log.e("PlatLogoActivity", "Couldn't catch a break.");
170                }
171                finish();
172                return true;
173            }
174        });
175
176        setContentView(mContent);
177    }
178}
179