Dianne Hackborn | d459f4b | 2012-02-27 18:37:40 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 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.fakeoemfeatures; |
| 18 | |
| 19 | import android.app.ActivityManager; |
| 20 | import android.app.ActivityThread; |
| 21 | import android.app.AlertDialog; |
| 22 | import android.app.Application; |
| 23 | import android.app.Dialog; |
| 24 | import android.content.ComponentName; |
| 25 | import android.content.Context; |
| 26 | import android.content.Intent; |
| 27 | import android.content.ServiceConnection; |
| 28 | import android.os.Handler; |
| 29 | import android.os.IBinder; |
| 30 | import android.os.Message; |
| 31 | import android.util.Slog; |
| 32 | import android.view.Display; |
| 33 | import android.view.ViewGroup; |
| 34 | import android.view.WindowManager; |
| 35 | |
| 36 | public class FakeApp extends Application { |
| 37 | // Stuffing of 20MB |
| 38 | static final int STUFFING_SIZE_BYTES = 20*1024*1024; |
| 39 | static final int STUFFING_SIZE_INTS = STUFFING_SIZE_BYTES/4; |
| 40 | int[] mStuffing; |
| 41 | |
| 42 | // Assume 4k pages. |
| 43 | static final int PAGE_SIZE = 4*1024; |
| 44 | |
| 45 | static final long TICK_DELAY = 4*60*60*1000; // One hour |
| 46 | static final int MSG_TICK = 1; |
| 47 | final Handler mHandler = new Handler() { |
| 48 | @Override public void handleMessage(Message msg) { |
| 49 | switch (msg.what) { |
| 50 | case MSG_TICK: |
| 51 | // Our service is IMPORTANT. We know, we wrote it. |
| 52 | // We need to keep that thing running. Because WE KNOW. |
| 53 | // Damn you users, STOP MESSING WITH US. |
| 54 | startService(new Intent(FakeApp.this, FakeBackgroundService.class)); |
| 55 | sendEmptyMessageDelayed(MSG_TICK, TICK_DELAY); |
| 56 | break; |
| 57 | default: |
| 58 | super.handleMessage(msg); |
| 59 | break; |
| 60 | } |
| 61 | } |
| 62 | }; |
| 63 | |
| 64 | // Always run another process for more per-process overhead. |
| 65 | ServiceConnection mServiceConnection = new ServiceConnection() { |
| 66 | @Override public void onServiceConnected(ComponentName name, IBinder service) { |
| 67 | } |
| 68 | |
| 69 | @Override public void onServiceDisconnected(ComponentName name) { |
| 70 | } |
| 71 | }; |
| 72 | ServiceConnection mServiceConnection2 = new ServiceConnection() { |
| 73 | @Override public void onServiceConnected(ComponentName name, IBinder service) { |
| 74 | } |
| 75 | |
| 76 | @Override public void onServiceDisconnected(ComponentName name) { |
| 77 | } |
| 78 | }; |
| 79 | ServiceConnection mServiceConnection3 = new ServiceConnection() { |
| 80 | @Override public void onServiceConnected(ComponentName name, IBinder service) { |
| 81 | } |
| 82 | |
| 83 | @Override public void onServiceDisconnected(ComponentName name) { |
| 84 | } |
| 85 | }; |
| 86 | |
| 87 | @Override |
| 88 | public void onCreate() { |
Dianne Hackborn | b57a50b | 2013-04-11 17:29:32 -0700 | [diff] [blame] | 89 | String processName = ActivityThread.currentProcessName(); |
Dianne Hackborn | d459f4b | 2012-02-27 18:37:40 -0800 | [diff] [blame] | 90 | Slog.i("FakeOEMFeatures", "Creating app in process: " + processName); |
| 91 | if (!getApplicationInfo().packageName.equals(processName)) { |
| 92 | // If we are not in the main process of the app, then don't do |
| 93 | // our extra overhead stuff. |
| 94 | return; |
| 95 | } |
| 96 | |
| 97 | final WindowManager wm = (WindowManager)getSystemService(Context.WINDOW_SERVICE); |
| 98 | final Display display = wm.getDefaultDisplay(); |
| 99 | |
| 100 | // Check to make sure we are not running on a user build. If this |
| 101 | // is a user build, WARN! Do not want! |
| 102 | if ("user".equals(android.os.Build.TYPE)) { |
| 103 | AlertDialog.Builder builder = new AlertDialog.Builder(this); |
| 104 | builder.setTitle("Should not be on user build"); |
| 105 | builder.setMessage("The app Fake OEM Features should not be installed on a " |
| 106 | + "user build. Please remove this .apk before shipping this build to " |
| 107 | + " your customers!"); |
| 108 | builder.setCancelable(false); |
| 109 | builder.setPositiveButton("I understand", null); |
| 110 | Dialog dialog = builder.create(); |
Wale Ogunwale | 791a887 | 2017-02-22 10:39:29 -0800 | [diff] [blame] | 111 | dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY); |
Dianne Hackborn | d459f4b | 2012-02-27 18:37:40 -0800 | [diff] [blame] | 112 | dialog.show(); |
| 113 | } |
| 114 | |
| 115 | // Make a fake window that is always around eating graphics resources. |
| 116 | FakeView view = new FakeView(this); |
| 117 | WindowManager.LayoutParams lp = new WindowManager.LayoutParams( |
Wale Ogunwale | 791a887 | 2017-02-22 10:39:29 -0800 | [diff] [blame] | 118 | WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY, |
Dianne Hackborn | d459f4b | 2012-02-27 18:37:40 -0800 | [diff] [blame] | 119 | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE |
| 120 | | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE |
| 121 | | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); |
Jeff Brown | 98365d7 | 2012-08-19 20:30:52 -0700 | [diff] [blame] | 122 | if (ActivityManager.isHighEndGfx()) { |
Dianne Hackborn | d459f4b | 2012-02-27 18:37:40 -0800 | [diff] [blame] | 123 | lp.flags |= WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED; |
| 124 | } |
| 125 | lp.width = ViewGroup.LayoutParams.MATCH_PARENT; |
| 126 | lp.height = ViewGroup.LayoutParams.MATCH_PARENT; |
| 127 | int maxSize = display.getMaximumSizeDimension(); |
| 128 | maxSize *= 2; |
| 129 | lp.x = maxSize; |
| 130 | lp.y = maxSize; |
| 131 | lp.setTitle(getPackageName()); |
| 132 | wm.addView(view, lp); |
| 133 | |
| 134 | // Bind to a fake service we want to keep running in another process. |
| 135 | bindService(new Intent(this, FakeCoreService.class), mServiceConnection, |
| 136 | Context.BIND_AUTO_CREATE); |
| 137 | bindService(new Intent(this, FakeCoreService2.class), mServiceConnection2, |
| 138 | Context.BIND_AUTO_CREATE); |
| 139 | bindService(new Intent(this, FakeCoreService3.class), mServiceConnection3, |
| 140 | Context.BIND_AUTO_CREATE); |
| 141 | |
| 142 | // Start to a fake service that should run in the background of |
| 143 | // another process. |
| 144 | mHandler.sendEmptyMessage(MSG_TICK); |
| 145 | |
| 146 | // Make a fake allocation to consume some RAM. |
| 147 | mStuffing = new int[STUFFING_SIZE_INTS]; |
| 148 | for (int i=0; i<STUFFING_SIZE_BYTES/PAGE_SIZE; i++) { |
| 149 | // Fill each page with a unique value. |
| 150 | final int VAL = i*2 + 100; |
| 151 | final int OFF = (i*PAGE_SIZE)/4; |
| 152 | for (int j=0; j<(PAGE_SIZE/4); j++) { |
| 153 | mStuffing[OFF+j] = VAL; |
| 154 | } |
| 155 | } |
| 156 | } |
| 157 | } |