关于手机系统管理的工具类utils

public class MSUtils {/*** 显示文本小提示* @param context* @param string*/public static void showMsg(Context context, String msg) {Toast.makeText(context, msg, 0).show();}/*** 将一个字符串(明文)用md5加密, 返回密文* @param string* @return*/public static String md5(String string) {StringBuffer sb = new StringBuffer();try {// 创建用于加密的加密对象MessageDigest digest = MessageDigest.getInstance("md5");// 将字符串转换为一个16位的byte[]byte[] bytes = digest.digest(string.getBytes("utf-8"));for (byte b : bytes) {// 遍历// 与255(0xff)做与运算(&)后得到一个255以内的数值int number = b & 255;// 也可以& 0xff// 转化为16进制形式的字符串, 不足2位前面补0String numberString = Integer.toHexString(number);if (numberString.length() == 1) {numberString = 0 + numberString;}// 连接成密文sb.append(numberString);}} catch (Exception e) {e.printStackTrace();}return sb.toString();}/*** 得到SIM卡的序列号* @param context* @return*/public static String getSimNumber(Context context) {TelephonyManager manager = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);return manager.getSimSerialNumber();}/*** 发送短信* @param safeNumber*/public static void sendSms(String safeNumber) {SmsManager smsManager = SmsManager.getDefault();smsManager.sendTextMessage(safeNumber, null, "Sim chaged, care!", null, null);}/*** 发送短信* @param safeNumber*/public static void sendSms(String safeNumber, String msg) {SmsManager smsManager = SmsManager.getDefault();smsManager.sendTextMessage(safeNumber, null, msg, null, null);}/*** 对手机锁屏* @param context*/public static void lock(Context context) {DevicePolicyManager manager = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);manager.resetPassword("123456", 0);//设置密码manager.lockNow();//立即锁屏}/*** 播放警报音乐* @param context*/public static void playAlarm(Context context) {MediaPlayer mediaPlayer = MediaPlayer.create(context, R.raw.alert);mediaPlayer.setLooping(true);//循环播放mediaPlayer.setVolume(1, 1);//设置音量最大mediaPlayer.start();//播放}/*** 删除手机数据* @param context*/public static void reset(Context context) {DevicePolicyManager manager = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);//清理数据manager.wipeData(0);}/*** 判断指定的服务是否开启* @param context* @param className* @return*/public static boolean isServiceRunning(Context context, String className) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<RunningServiceInfo> runningServices = am.getRunningServices(Integer.MAX_VALUE); // 取出所有运行的for (RunningServiceInfo info : runningServices) {String serviceClassName = info.service.getClassName();if (serviceClassName.equals(className)) {return true;}}return false;}/*** 得到手机中所有应用信息的集合*/public static Map<Boolean, List<AppInfo>> getAllAppInfos(Context context) {SystemClock.sleep(1000);Map<Boolean, List<AppInfo>> map = new HashMap<Boolean, List<AppInfo>>();List<AppInfo> systemInfos = new ArrayList<AppInfo>();map.put(true, systemInfos);List<AppInfo> userInfos = new ArrayList<AppInfo>();map.put(false, userInfos);//读取手机中所有应用信息数据PackageManager packageManager = context.getPackageManager();Intent intent = new Intent();intent.setAction(Intent.ACTION_MAIN);intent.addCategory(Intent.CATEGORY_LAUNCHER);List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);for(ResolveInfo ri : resolveInfos) {//packageNameString packageName = ri.activityInfo.packageName;//appNameString appName = ri.loadLabel(packageManager).toString();//iconDrawable icon = ri.loadIcon(packageManager);//isSystemboolean isSystem = true;try {isSystem = isSystemApp(packageManager, packageName);} catch (Exception e) {e.printStackTrace();}AppInfo appInfo = new AppInfo(packageName, appName, icon, isSystem);if(isSystem) {systemInfos.add(appInfo);} else {userInfos.add(appInfo);}}return map;}/*** 判断指定包名所对应的应用是否是系统应用* @param pm* @param packageName* @return* @throws Exception*/private static boolean isSystemApp(PackageManager pm, String packageName) throws Exception {PackageInfo packageInfo = pm.getPackageInfo(packageName, 0);return (packageInfo.applicationInfo.flags & ApplicationInfo.FLAG_SYSTEM) > 0;}/*** 得到所有正在运行的进程的信息集合* @param context* @param systemtaskInfos* @param usertaskInfos*/public static void getAllTaskInfos(Context context,List<TaskInfo> systemtaskInfos, List<TaskInfo> usertaskInfos) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<RunningAppProcessInfo> processInfos = am.getRunningAppProcesses();PackageManager pm = context.getPackageManager();for (RunningAppProcessInfo processInfo : processInfos) {TaskInfo taskInfo = new TaskInfo();// 包名String packageName = processInfo.processName;//过滤当前应用if(packageName.equals(context.getPackageName())) {continue;//当前应用的进程信息不要保存到集合中}taskInfo.setPackageName(packageName);// 应用占用的内存MemoryInfo memoryInfo = am.getProcessMemoryInfo(new int[] { processInfo.pid })[0];long memInfoSize = memoryInfo.getTotalPrivateDirty() * 1024; //memory  bytetaskInfo.setMemInfoSize(memInfoSize);try {// 图标Drawable icon = pm.getPackageInfo(packageName, 0).applicationInfo.loadIcon(pm);taskInfo.setIcon(icon);// 应用名称String name = pm.getPackageInfo(packageName, 0).applicationInfo.loadLabel(pm).toString();taskInfo.setAppName(name);// 是否是系统应用进程int flag = pm.getPackageInfo(packageName, 0).applicationInfo.flags;if ((flag & ApplicationInfo.FLAG_SYSTEM) == 0) {// 用户进程taskInfo.setSystem(false);} else {// 系统进程taskInfo.setSystem(true);}} catch (NameNotFoundException e) {//根据包名得到不到PackageInfo//e.printStackTrace();taskInfo.setIcon(context.getResources().getDrawable(R.drawable.ic_launcher));taskInfo.setAppName(packageName);taskInfo.setSystem(true);}//不同类型的Info保存到不同的集合中if(taskInfo.isSystem()) {systemtaskInfos.add(taskInfo);} else {usertaskInfos.add(taskInfo);}}}/*** 得到可用内存的总大小*/public static long getAvailMem(Context context) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);ActivityManager.MemoryInfo outInfo = new ActivityManager.MemoryInfo();am.getMemoryInfo(outInfo);return outInfo.availMem;}/*** 得到总内存大小*/@TargetApi(Build.VERSION_CODES.JELLY_BEAN)public static long getTotalMem(Context context) {long totalMem = 0;int sysVersion = VERSION.SDK_INT; // 得到当前系统的版本号// 下面的方式只能在JELLY_BEAN(16)及以上版本才有用if (sysVersion >= Build.VERSION_CODES.JELLY_BEAN) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);ActivityManager.MemoryInfo memoryInfo = new ActivityManager.MemoryInfo();am.getMemoryInfo(memoryInfo);totalMem = memoryInfo.totalMem;} else {try { // 在版本小于16时, 读取/proc/meminfo文件的第一行来获取总大小File file = new File("/proc/meminfo");FileInputStream fis = new FileInputStream(file);BufferedReader reader = new BufferedReader(new InputStreamReader(fis));String result = reader.readLine();// MemTotal: 510484 kBresult = result.substring(result.indexOf(":") + 1,result.indexOf("k")).trim();// 510484reader.close();totalMem = Integer.parseInt(result) * 1024;} catch (Exception e) {e.printStackTrace();}}return totalMem; }/*** 将大小格式化* @param context* @param byteSize* @return*/public static String formatSize(Context context, long byteSize) {return Formatter.formatFileSize(context, byteSize);}/*** 杀死指定进程*/public static void killProcess(Context context, String packageName) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);am.killBackgroundProcesses(packageName);}/*** 得到运行的进程数* @param context* @return*/public static int getProcessSize(Context context) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<RunningAppProcessInfo> processInfos = am.getRunningAppProcesses();return processInfos.size();}/*** 杀死所有进程* @param context*/public static void killAllProcess(Context context) {ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);List<RunningAppProcessInfo> processInfos = am.getRunningAppProcesses();PackageManager pm = context.getPackageManager();for (RunningAppProcessInfo processInfo : processInfos) {// 包名String packageName = processInfo.processName;//过滤当前应用if(packageName.equals(context.getPackageName())) {continue;//当前应用的进程信息不要保存到集合中}killProcess(context, packageName);}}/*** 得到应用的所有流量信息*/public static List<TrafficInfo> getAllTrafficInfos(Context context) {List<TrafficInfo> list = new ArrayList<TrafficInfo>();PackageManager pm = context.getPackageManager();//安装的所有应用(包含没有主界面的)List<ApplicationInfo> infos = pm.getInstalledApplications(0); for(ApplicationInfo info : infos) {TrafficInfo trafficInfo = new TrafficInfo();//appNameString appName = info.loadLabel(pm).toString();trafficInfo.setName(appName);//iconDrawable icon = info.loadIcon(pm);trafficInfo.setIcon(icon);int uid = info.uid;   //userID//inSize 下载流量long inSize = TrafficStats.getUidRxBytes(uid); //receivetrafficInfo.setInSize(inSize);//outSize 上传流量long outSize = TrafficStats.getUidTxBytes(uid);trafficInfo.setOutSize(outSize);list.add(trafficInfo);}return list;}}