PlatLogoActivity.java revision c89deae0a7bed0b54e3152df3a52bca6f8dd0cd4 
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.ContentResolver;
22import android.content.Context;
23import android.content.Intent;
24import android.graphics.Color;
25import android.graphics.Typeface;
26import android.os.Build;
27import android.os.Bundle;
28import android.provider.Settings;
29import android.util.AttributeSet;
30import android.util.DisplayMetrics;
31import android.view.Gravity;
32import android.view.View;
33import android.widget.FrameLayout;
34import android.widget.TextView;
35
36public class PlatLogoActivity extends Activity {
37    private static class Torso extends FrameLayout {
38        boolean mAnimate = false;
39        TextView mText;
40
41        public Torso(Context context) {
42            this(context, null);
43        }
44        public Torso(Context context, AttributeSet attrs) {
45            this(context, attrs, 0);
46        }
47        public Torso(Context context, AttributeSet attrs, int flags) {
48            super(context, attrs, flags);
49
50            for (int i=0; i<2; i++) {
51                final View v = new View(context);
52                v.setBackgroundColor(i % 2 == 0 ? Color.BLUE : Color.RED);
53                addView(v);
54            }
55
56            mText = new TextView(context);
57            mText.setTextColor(Color.BLACK);
58            mText.setTextSize(14 /* sp */);
59            mText.setTypeface(Typeface.create("monospace", Typeface.BOLD));
60
61            addView(mText, new FrameLayout.LayoutParams(
62                    FrameLayout.LayoutParams.MATCH_PARENT,
63                    FrameLayout.LayoutParams.WRAP_CONTENT,
64                    Gravity.BOTTOM | Gravity.LEFT
65            ));
66        }
67
68        private Runnable mRunnable = new Runnable() {
69            @Override
70            public void run() {
71                mText.setText(String.format("android_%s.flv - build %s",
72                        Build.VERSION.CODENAME,
73                        Build.VERSION.INCREMENTAL));
74                final int N = getChildCount();
75                final float parentw = getMeasuredWidth();
76                final float parenth = getMeasuredHeight();
77                for (int i=0; i<N; i++) {
78                    final View v = getChildAt(i);
79                    if (v instanceof TextView) continue;
80
81                    final int w = (int) (Math.random() * parentw);
82                    final int h = (int) (Math.random() * parenth);
83                    v.setLayoutParams(new FrameLayout.LayoutParams(w, h));
84
85                    v.setX((float) Math.random() * (parentw - w));
86                    v.setY((float) Math.random() * (parenth - h));
87                }
88
89                if (mAnimate) postDelayed(this, 1000);
90            }
91        };
92        @Override
93        protected void onAttachedToWindow() {
94            mAnimate = true;
95            post(mRunnable);
96        }
97        @Override
98        protected void onDetachedFromWindow() {
99            mAnimate = false;
100            removeCallbacks(mRunnable);
101        }
102    }
103
104    @Override
105    protected void onCreate(Bundle savedInstanceState) {
106        super.onCreate(savedInstanceState);
107
108        final Torso t = new Torso(this);
109        t.setBackgroundColor(Color.WHITE);
110
111        t.getChildAt(0)
112                .setOnLongClickListener(new View.OnLongClickListener() {
113                    @Override
114                    public boolean onLongClick(View v) {
115                        final ContentResolver cr = getContentResolver();
116                        if (Settings.System.getLong(cr, Settings.System.EGG_MODE, 0)
117                                == 0) {
118                            // For posterity: the moment this user unlocked the easter egg
119                            Settings.System.putLong(cr,
120                                    Settings.System.EGG_MODE,
121                                    System.currentTimeMillis());
122                        }
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                            android.util.Log.e("PlatLogoActivity", "Couldn't catch a break.");
131                        }
132                        finish();
133                        return true;
134                    }
135                });
136
137        setContentView(t);
138    }
139}
140