/*** 獲取當(dāng)前應(yīng)用程序的包名* @param context 上下文對(duì)象* @return 返回包名*/public static String getAppProcessName(Context context) {    //當(dāng)前應(yīng)用pid    int pid = android.os.Process.myPid();    //任務(wù)管理類(lèi)    ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);    //遍歷所有應(yīng)用    List<ActivityManager.RunningAppProcessInfo> infos = manager.getRunningAppProcesses();    for (ActivityManager.RunningAppProcessInfo info : infos) {      if (info.pid == pid)//得到當(dāng)前應(yīng)用        return info.processName;//返回包名    }    return "";}/*** 獲取程序 圖標(biāo)* @param context* @param packname 應(yīng)用包名* @return*/public Drawable getAppIcon(Context context,String packname){   try {     //包管理操作管理類(lèi)     PackageManager pm = context.getPackageManager();     //獲取到應(yīng)用信息       ApplicationInfo info = pm.getApplicationInfo(packname, 0);       return info.loadIcon(pm);    } catch (NameNotFoundException e) {      e.printStackTrace();    }  return null;}/*** 獲取程序的版本號(hào)* @param context* @param packname* @return*/public String getAppVersion(Context context,String packname){     //包管理操作管理類(lèi)   PackageManager pm = context.getPackageManager();     try {       PackageInfo packinfo = pm.getPackageInfo(packname, 0);       return packinfo.versionName;      } catch (NameNotFoundException e) {        e.printStackTrace();      }    return packname;}/*** 獲取程序的名字* @param context* @param packname* @return*/public String getAppName(Context context,String packname){ //包管理操作管理類(lèi)   PackageManager pm = context.getPackageManager();     try {         ApplicationInfo info = pm.getApplicationInfo(packname, 0);         return info.loadLabel(pm).toString();      } catch (NameNotFoundException e) {        // TODO Auto-generated catch block        e.printStackTrace();      }    return packname;}/** 獲取程序的權(quán)限*/public String[] getAllPermissions(Context context,String packname){     try {       //包管理操作管理類(lèi)       PackageManager pm = context.getPackageManager();       PackageInfo packinfo =  pm.getPackageInfo(packname, PackageManager.GET_PERMISSIONS);       //獲取到所有的權(quán)限       return packinfo.requestedPermissions;      } catch (NameNotFoundException e) {        e.printStackTrace();      }    return null;}/*** 獲取程序的簽名* @param context* @param packname* @return*/public static String getAppSignature(Context context,String packname){     try {       //包管理操作管理類(lèi)       PackageManager pm = context.getPackageManager();       PackageInfo packinfo = pm.getPackageInfo(packname, PackageManager.GET_SIGNATURES);       //獲取當(dāng)前應(yīng)用簽名       return packinfo.signatures[0].toCharsString();      } catch (NameNotFoundException e) {        e.printStackTrace();      }    return packname;}/*** 獲取當(dāng)前展示 的Activity名稱(chēng)* @return*/private static String getCurrentActivityName(Context context){    ActivityManager activityManager=(ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);    String runningActivity=activityManager.getRunningTasks(1).get(0).topActivity.getClassName();    return runningActivity;}