<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > <TextView android:layout_width="match_parent" android:layout_height="60dip" android:background="#8866ff00" android:gravity="center" android:text="病毒查杀" android:textSize="24sp" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:orientation="horizontal" > <!-- 帧布局是一层层往上盖，所以就是图片的叠加，后添加的在上面，先添加的在下面 --> <FrameLayout android:layout_width="wrap_content" android:layout_height="wrap_content" > <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:background="@drawable/ic_scanner_malware" /> <ImageView android:id="@+id/iv_scanning" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" android:background="@drawable/act_scanning_03" /> </FrameLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="10dp" android:orientation="vertical" > <TextView android:id="@+id/tv_init_virus" android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_horizontal" android:text="初始化8核杀毒引擎" /> <ProgressBar android:id="@+id/progressBar1" style="?android:attr/progressBarStyleHorizontal" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:layout_marginRight="10dp" /> </LinearLayout> </LinearLayout> <ScrollView android:id="@+id/scrollView" android:layout_width="match_parent" android:layout_height="match_parent" > <LinearLayout android:id="@+id/ll_content" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > </LinearLayout> </ScrollView> </LinearLayout>
package com.itheima.mobileguard.activities; import java.io.File; import java.io.FileInputStream; import java.security.MessageDigest; import java.util.List; import org.w3c.dom.Text; import com.itheima.mobileguard.R; import com.itheima.mobileguard.db.dao.AntivirusDao; import com.itheima.mobileguard.domain.AppInfo; import com.itheima.mobileguard.engine.AppInfoParser; import com.itheima.mobileguard.utils.Md5Utils; import android.R.bool; import android.app.Activity; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.res.ColorStateList; import android.graphics.Color; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.SystemClock; import android.view.View; import android.view.animation.Animation; import android.view.animation.RotateAnimation; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.ScrollView; import android.widget.Scroller; import android.widget.TextView; public class AntivirusActivity extends Activity { // 扫描开始 protected static final int BEGING = 1; // 扫描中 protected static final int SCANING = 2; // 扫描结束 protected static final int FINISH = 3; private Message message; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); initUI(); initData(); } Handler handler = new Handler() { public void handleMessage(android.os.Message msg) { switch (msg.what) { case BEGING: tv_init_virus.setText("初始化八核引擎"); break; case SCANING: // 病毒扫描中： TextView child = new TextView(AntivirusActivity.this); ScanInfo scanInfo = (ScanInfo) msg.obj; // 如果为true表示有病毒 if (scanInfo.desc) { child.setTextColor(Color.RED); child.setText(scanInfo.appName + "有病毒"); } else { child.setTextColor(Color.BLACK); // // 为false表示没有病毒 child.setText(scanInfo.appName + "扫描安全"); } ll_content.addView(child,0); //自动滚动 scrollView.post(new Runnable() { @Override public void run() { //一直往下面进行滚动 scrollView.fullScroll(scrollView.FOCUS_DOWN); } }); System.out.println(scanInfo.appName + "扫描安全"); break; case FINISH: // 当扫描结束的时候。停止动画 iv_scanning.clearAnimation(); break; } }; }; private TextView tv_init_virus; private ProgressBar pb; private ImageView iv_scanning; private LinearLayout ll_content; private ScrollView scrollView; private void initData() { new Thread() { public void run() { message = Message.obtain(); message.what = BEGING; PackageManager packageManager = getPackageManager(); // 获取到所有安装的应用程序 List<PackageInfo> installedPackages = packageManager .getInstalledPackages(0); // 返回手机上面安装了多少个应用程序 int size = installedPackages.size(); // 设置进度条的最大值 pb.setMax(size); int progress = 0; for (PackageInfo packageInfo : installedPackages) { ScanInfo scanInfo = new ScanInfo(); // 获取到当前手机上面的app的名字 String appName = packageInfo.applicationInfo.loadLabel( packageManager).toString(); scanInfo.appName = appName; String packageName = packageInfo.applicationInfo.packageName; scanInfo.packageName = packageName; // 首先需要获取到每个应用程序的目录 String sourceDir = packageInfo.applicationInfo.sourceDir; // 获取到文件的md5 String md5 = Md5Utils.getFileMd5(sourceDir); /*public static String getFileMd5(String sourceDir) { File file = new File(sourceDir); try { FileInputStream fis = new FileInputStream(file); byte[] buffer = new byte[1024]; int len = -1; //获取到数字摘要 MessageDigest messageDigest = MessageDigest.getInstance("md5"); while((len = fis.read(buffer))!= -1){ messageDigest.update(buffer, 0, len); } byte[] result = messageDigest.digest(); StringBuffer sb = new StringBuffer(); for(byte b : result){ int number = b&0xff; // 加盐 +1 ; String hex = Integer.toHexString(number); if(hex.length()==1){ sb.append("0"+hex); }else{ sb.append(hex); } } return sb.toString(); } catch (Exception e) { e.printStackTrace(); } return null; }*/ // 判断当前的文件是否是病毒数据库里面(根据应用的md5判断是否在病毒库中) String desc = AntivirusDao.checkFileVirus(md5); System.out.println("-------------------------"); System.out.println(appName); System.out.println(md5); // 03-06 07:37:32.505: I/System.out(23660): 垃圾 // 03-06 07:37:32.505: I/System.out(23660): 51dc6ba54cbfbcff299eb72e79e03668 // ["md5":"51dc6ba54cbfbcff299eb72e79e03668","desc":"蝗虫病毒赶快卸载","desc":"蝗虫病毒赶快卸载","desc":"蝗虫病毒赶快卸载"] // B7DA3864FD19C0B2390C9719E812E649 // 如果当前的描述信息等于null说明没有病毒 if (desc == null) { scanInfo.desc = false; } else { scanInfo.desc = true; } progress++; SystemClock.sleep(100); pb.setProgress(progress); message = Message.obtain(); message.what = SCANING; message.obj = scanInfo; handler.sendMessage(message); } message = Message.obtain(); message.what = FINISH; handler.sendMessage(message); }; }.start(); } static class ScanInfo { boolean desc; String appName; String packageName; } private void initUI() { setContentView(R.layout.activity_antivirusa); iv_scanning = (ImageView) findViewById(R.id.iv_scanning); tv_init_virus = (TextView) findViewById(R.id.tv_init_virus); pb = (ProgressBar) findViewById(R.id.progressBar1); ll_content = (LinearLayout) findViewById(R.id.ll_content); scrollView = (ScrollView) findViewById(R.id.scrollView); //图片转起来 /** * 第一个参数表示开始的角度 ,第二个参数表示结束的角度, * 第三个参数表示X轴参照自己从0.5开始,第四个参数表示Y轴参照自己从0.5开始, * 初始化旋转动画 */ RotateAnimation rotateAnimation = new RotateAnimation(0, 360, Animation.RELATIVE_TO_SELF, 0.5f, Animation.RELATIVE_TO_SELF, 0.5f); // 设置动画的时间 rotateAnimation.setDuration(5000); // 设置动画无限循环 rotateAnimation.setRepeatCount(Animation.INFINITE); // 开始动画 iv_scanning.startAnimation(rotateAnimation); } }
package com.itheima.mobileguard.db.dao; import org.json.JSONObject; import com.google.gson.Gson; import com.itheima.mobileguard.domain.Virus; import com.lidroid.xutils.HttpUtils; import com.lidroid.xutils.exception.HttpException; import com.lidroid.xutils.http.ResponseInfo; import com.lidroid.xutils.http.callback.RequestCallBack; import com.lidroid.xutils.http.client.HttpRequest.HttpMethod; import android.content.ContentValues; import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; //主动防御：如果有软件想改变c盘改变浏览器改变注册表就认为是病毒，权限判断就是提醒用户他会改变这些东西。 public class AntivirusDao { /** * 检查当前的md5值是否在病毒数据库 */ public static String checkFileVirus(String md5){ String desc = null; SQLiteDatabase db = SQLiteDatabase.openDatabase( "/data/data/com.itheima.mobileguard/files/antivirus.db", null, SQLiteDatabase.OPEN_READONLY); //查询当前传过来的md5是否在病毒数据库里面 Cursor cursor = db.rawQuery("select desc from datable where md5 = ?", new String[]{md5}); //判断当前的游标是否可以移动 if(cursor.moveToNext()){ desc = cursor.getString(0); } cursor.close(); return desc; } /** * 添加病毒数据库 * @param md5 特征码 * @param desc 描述信息 */ public static void addVirus(String md5,String desc){ SQLiteDatabase db = SQLiteDatabase.openDatabase( "/data/data/com.itheima.mobileguard/files/antivirus.db", null, SQLiteDatabase.OPEN_READWRITE); ContentValues values = new ContentValues(); values.put("md5", md5); values.put("type", 6); values.put("name", "Android.Troj.AirAD.a"); values.put("desc", desc); db.insert("datable", null, values); db.close(); } /** * 联网进行更新病毒数据库 */ private void updataVirus() { dao = new AntivirusDao(); //联网从服务器获取到最新数据的md5的特征码 HttpUtils httpUtils = new HttpUtils(); String url = "http://192.168.13.126:8080/virus.json"; httpUtils.send(HttpMethod.GET, url, new RequestCallBack<String>() { @Override public void onFailure(HttpException arg0, String arg1) { } @Override public void onSuccess(ResponseInfo<String> arg0) { System.out.println(arg0.result); // {"md5":"51dc6ba54cbfbcff299eb72e79e03668","desc":"蝗虫病毒赶快卸载"} try { JSONObject jsonObject = new JSONObject(arg0.result); Gson gson = new Gson(); //解析json Virus virus = gson.fromJson(arg0.result, Virus.class); // String md5 = jsonObject.getString("md5"); // String desc = jsonObject.getString("desc"); dao.addVirus(virus.md5, virus.desc); } catch (Exception e) { e.printStackTrace(); } } }); } }
本文转自农夫山泉别墅博客园博客，原文链接：http://www.cnblogs.com/yaowen/p/5154914.html，如需转载请自行联系原作者
