手机安全卫士传智

92_杀毒软件的原理1、什么是3、蠕虫，威金，，4前段比特币被，损失270多万5所有 KillKv300300kv300后很多人用盗版的。（蜜罐一组没有没有安全软件没有补丁，服务器一些功能主动联网8、360互联网云安全计划淘宝不许用QQ，只能用；害怕收集；目前卡巴斯基库已经有了2千多万传统杀毒软件的缺陷：数据库越来越大；3601201234把它102000100130lbe主动防御方式杀毒。查看金山卫士2、创建新页面AntiActivity并在功能文件，创建布局文Anti杀毒软android:orientation="horizontal">android:layout_height="80dip">android:src="@drawable/ic_scanner_malware"/>android:src="@drawable/act_scanning_03"/>android:orientation="vertical">android:textSize="18sp"/>android:layout_marginRight="10dip"/>B：代码实现，旋转动iv_scan=(ImageView) Animation.RELATIVE_TO_SELF,0.5f,Animation.RELATIVE_TO_SELF,0.5f);A：参照系统样式文件 ProgressBar-->progress_medium_white-->spinner_white_48(indeterminate不确定的只搜索：progress_horizontal讲解里面的结构；layer-list层；Bprogress_horizontal拷贝该资drawble并修改成；并且把金山进程也拷贝到drawble下，progress_horizontal.xml修改成如下：<layer-list C：布局使android:layout_marginRight="10dip"/>D：代码设置进progressBar1=(ProgressBar)findViewById(R.gressBar1);newpublicvoidrun()for(inti=0;i<100;i++){try{}catch(InterruptedExceptione)//TODOAuto-generatedcatchblock}}运行演示，看效果94_获取应用程序的签名PackageManagerpm= for(PackageInfopackageInfo:packInfos){}AListofPackageInfoobjects,oneforeachpackagethatisinstalledonthedevice.Intheunlikelycaseoftherebeingnoinstalledpackages,anemptylistisreturned.IfflagGET_UNINSTALLED_PACKAGESisset,alistofallapplicationsincludingthosedeletedwithDONT_DELETE_DATA(partiallyinstalledappswithdatadirectory)willbereturned.一列packageInfo对象，每一个包，安装在装置。在不可能的情况下，没有安装的软件包，则返回一个空列表。如果国旗get_uninstalled_packages设置，一个dont_delete_data（部分安装的应用程序将返回的数据。用任意一个APK，拷贝到桌面上。用解压工具打开meta-inf:保存应用程序的签名信息；列出设备命令：adb5554C:\Users\Administrator>adbsemulator-5554installC:\Users\Administrator\DesktB:修改里面图标 apk包的签名被在文件META-INF\CERT.RSA中apk由于签名信息太长不便于计算，把它加密成md5PackageManagerpm=//获取所有应用程序包括卸载的但没有卸载干净（保留有数据的应用） for(PackageInfopackageInfo:packInfos){ }知识拓展1、拷贝金山卫士数据库anti.db到工程资 2、基于AddressDao修改成AntiDao,并且修改里面文件的路径SQL语句：select*fromdatablewheremd5="2b29d68c selectdescfromdatablewheremd5="2b29d68c publicDao= *@parammd5签名信息的md5@return是返回的描述信息;不是返回publicstaticStringis(Stringmd5){Stringresult=null;Databasedb=Database.openDatabase(path,null,Cursorcursor=db.rawQuery("selectdescfromdatablewhere=

newString[]{md5while(cursor.moveToNext()){result=cursor.getString(0);}returnresult;}}在SshActivity把数据库拷copyDB("antifor(PackageInfo Stringresult=AntiDao.is(md5);if(result!=null){}}运行演示看效果4、更改扫描时的状A：实例化状态TextView和线程布tv_scan_status(TextViewfindViewById(R.id.tv_scan_status);ll_container(LinearLayoutfindViewById(R.id.ll_container);B：扫描代码，放入子线程并休眠2秒，便于显示状态效果newThread()publicvoidrun()try}catch(InterruptedExceptione){}PackageManagerpm=List<PackageInfo>packInfos=+PackageManager.GET_SIGNATURES);intprogress=Randomrandom=newfor(PackageInfopackageInfo:packInfos) Stringresult=AntiDao.isif(result!=null){}else}try{Thread.sleep(50+}catch(InterruptedExceptione){}}classbooleanis;Stringdesc;StringappName;}B：创建privateHandlerhandler=newpublicvoidhandleMessage(android.os.Messagemsg)switch(msg.what)caseScanInfoscanInfo=(ScanInfo)TextViewtextView=newTextView(AntiActivity.this);}ll_container.addView(textView0);case}newThread()publicvoidrun()try}catch(InterruptedExceptione){}PackageManagerpm=List<PackageInfo>packInfos=+PackageManager.GET_SIGNATURES);intprogress=Randomrandom=newfor(PackageInfopackageInfo:packInfos)ScanInfoscanInfo=newScanInfo();scanInfo.appName=packageInfo.applicationInfo Stringresult=AntiDao.isif(result!=null){scanInfo.is=true;scanInfo.des=result;}elsescanInfo.is=false;scanInfo.des=null;}Messagemessage=Message.obtain();message.what=SCANING;message.obj=scanInfo;try{Thread.sleep(50+}catch(InterruptedExceptione){}}Messagemessage=Message.obtain();message.what=SCAN_FINISH;}C：模拟，看是否有变色效果D：解决无法拖动查看扫描情况问题android:layout_height="fill_parent">android:orientation="vertical">E：创建集*查询的集privateList<ScanInfo>if(result!=null)scanInfo.is=true;scanInfo.des=result;}elsescanInfo.is=false;scanInfo.des=null;}caseAlertDialog.Builderbuilder=newBuilder(AntiActivity.this);"+赶快杀毒builder.setNegativeButton("下次再说",null);builder.setPositiveButton("立即清除newOnClickListener(publicvoidonClick(DialogInterfacedialog,intwhich)for(ScanInfoscanInfo:Infos){Intentintent=newIntent();}}Toast.makeText(getApplicationContext(),"你的很安全了，继续加油哦！",}onCreate方法代码如下：try

Filefile=newFile(getCacheDir(),"haha.txt");FileOutputStreamfos=newFileOutputStream(file);}catch(Exceptione)//TODOAuto-generatedcatchblock}2、获取应用程序的缓查看软件管理的信息大小,页面<LinearLayout android:layout_height="match_parent">android:hint="请输入要查询的包名"/>android:layout_height="wrap_content"/>B：处理点击-参数设置工程的代码搜索：Cache找到：cache_size_label字段找到布局文件installed_app_details.xmlcache_size_text-->搜索那个Java代码用到它---> entry.cacheSize=stats.cacheSize-->PackageStats--谁调用了 服服对3、获取应用程序的缓存的代码实A：初始化布局view的、得到包名、处理点publicvoidclick(ViewStringpackName=Toast.makeText(this包名不能为空1).show();PackageManagerpm= }}getPackageSizeInfo方法注释RetrievethesizeinformationforaSincethismaytakealittlewhile,theresultbepostedbacktothegivenobserver.Thecallingcontext android.Manifest.permission#GET_PACKAGE_SIZE}permission.应该有{”的Android。#get_package_size}权限。B：用反射得到PackageManager里所有PackageManagerpm=Method[]methods=for(Methodmethod:}运行演示，看日志有没有我们想要的方C:IPackageStatsObserver.Stub()自定拷贝IPackageStatsObserver.aidl文件到android.content.pm包下报错后拷贝PackageStats.aidl文件到android.content.pm包下privateclassMyObserverextendsIPackageStatsObserver.Stub{public pleted(PackageStatspStats,throwsRemoteException{longcacheSize=pStats.cacheSize;longdataSize=pStats.dataSize;longcodeSize=pStats.codeSize 存:"+Formatter.formatFileSize(getApplicationContext(),cacheSize)+"\n"+"+Formatter.formatFileSize(getApplicationContext(),}}

D：执行方PackageManagerpm=Method[]methods=for(Methodmethod:method.invoke(pmpackName,newMyObserver());}}需要限E：解决无法显示结果privateHandlerhandler=newpublicvoidhandleMessage(android.os.Messagemsg){Stringresult=(String)msg.obj;发消息到主线程//tv_result.setText(result);Messagemsg=Message.obtain();msg.obj=result;1、基于做的Demo添加到缓存清理，创建新页面CleanCacheActivity在功能文件并写2、布局文件，基于通讯卫士页面activity_callsms_safe.xml<?xmlversion="1.0"encoding="utf-<LinearLayoutxmlns:android="http://s android:layout_height="wrap_content">android:textSize="20sp"/>android:text="立即清理"/>android:progressDrawable="@drawable/progress_horizontal"/>android:layout_height="wrap_content/>android:orientation="vertical">3progressBar1=(ProgressBar)findViewById(R.gressBar1);tv_status=(TextView)findViewById(R.id.tv_status);ll_container=(LinearLayout)findViewById(R.id.ll_container);AonCreate创建子线程newpublicvoidrun()PackageManagerpm= for(PackageInfopackInfo:packInfos){StringpackName=}aidl文件privateclassMyObserverextendsIPackageStatsObserver.Stubpublic pleted(PackageStatspStats,booleanthrowsRemoteExceptionlongcacheSize=if(cacheSize>0){++Formatter.formatFileSize(getApplicationContext(),}}}PackageManagerpm=getPackageManager();List<PackageInfo>packInfos=pmintprogress=for(PackageInfopackInfo:packInfos){StringpackName=packInfo.packageName;try{Methodmethod=PackageManager.class.getMethod("getPackageSizeInfo",String.class,method.invoke(pm,packName,new}catch(Exceptione)//TODOAuto-generatedcatchblock}progress++;}privateHandlerhandler=newpublicvoidhandleMessage(Messagemsg)switch(msg.what)caseStringname=(String)msg.obj;}for(PackageInfopackInfo:packInfos)StringpackName=tryMethodmethod=PackageManager.class.getMethod("getPackageSizeInfo",String.class,method.invoke(pm,packName,newMyObserver());Messagemsg=Message.obtain();msg.obj=ackInfo.applicationInfo.loadLabel(pm).toString();msg.what=SCANING;}catch(Exceptione)//TODOAuto-generatedcatchblock}progress++;try}catch(InterruptedExceptione)//TODOAuto-generatedcatchblock}}F：显示扫描结定义缓存信息类,发消classDrawableicon;Stringname;longsize;}privateclassMyObserverextendsIPackageStatsObserver.Stubpublic pleted(PackageStatspStats,throwsRemoteExceptionlongcacheSize=pStats.cacheSize+if(cacheSize>0)tryCacheInfocacheInfo=new pm.getApplicationInfo(pStats.packageName,0).loadLabel(pm).toString();cacheInfo.size=cacheSize;Messagemsg=Message.obtain();msg.what=SHOW_SCAN_INFO;msg.obj=cacheInfo;}catch(NameNotFoundExceptione)//TODOAuto-generatedcatchblock}}}}基于布局文件list_app_item.xml修改名字Handler里面处caseCacheInfocacheInfo=(CacheInfo)Viewview=View.inflate(getApplicationContext(),R.layout.list_app_cache,null);ImageViewiv_icon=(ImageView)view.findViewById(R.id.iv_icon);tv_cache_size.setText("缓存大小:"+Formatter.formatFileSize(getApplicationContext(),Messagemsg=Message.obtain();msg.what=SCAN_FINISH;caseSCAN_FINISH:F：如果有缓存应用很多支持上下滚android:layout_height="match_parent">android:orientation="vertical">5A：查看PackageManager方法storagebydeletingLRUsortedlistofcachefilesacrossallapplications.Ifthecurrentlyavailableonthedeviceisgreaterthanorequaltothestorage,nocachefilesarecleared.Ifthecurrentlyavailablestorageonthedeviceislessthanthestorage,someorallofthecachefilesacrossallapplicationsaredeleted(basedonlastaccessedtoincreasethestoragespaceonthedevicetherequestedvalue.Thereisnoguaranteethatclearingthecachefilesfromallapplicationswillclearenoughstoragetoachievethedesired@paramStorageSizeThenumberofbytesofstoragetodbythesystem.SayifStorageSizeisandthecurrentstorageisifXXislessthanYY,justreturn.ifnotXX-YYofbytesif@paramobservercallbackusedtonotifytheoperationis*@paramstoragesize字节数为通过系统释放。如果说storagesize是*XX小于YY，刚刚返回。如果不是免费的xx-yy*LRU（LeastRecentlyUsed） >14:35:14:45:14:49:14:50:14:51:Thenumberofbytesofstorageto*dbythesystem.SayifStorageSizeisandthecurrentstorageisifXXislessthanYY,justreturn.ifnotXX-YYofbytesif5M100MB,5MB空间，如果需要清理的是100MB5MB5MB的空间；如果请求的无限大，有多publicvoidclel(ViewMethod[]methodes=