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() { 89 String processName = ActivityThread.currentProcessName(); 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(); 111 dialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); 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( 118 WindowManager.LayoutParams.TYPE_SYSTEM_ALERT, 119 WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE 120 | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE 121 | WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS); 122 if (ActivityManager.isHighEndGfx()) { 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 } 158
