【原】对于 UEngine 运行器的代码分析

新版本Deepin/UOS发布后，可以在应用商店安装部分官方已适配的安卓应用，对爱好者来说，不能自己安装APK软件包始终差点意思，本程序可以为Deepin/UOS上的UEngine安卓运行环境安装自定义APK软件包，并能发送安装的APK包启动菜单到桌面或系统菜单。


而这个程序核心的难点是关于 APK 信息的获取，本人也并没有找到一个比较适合的轮子
（如果不想从主文件 mainwindow.py 看代码，也提供了相应的 API：https:///gfdgd-xi/uengine-runner/tree/main/api）
除了对 UEngine（deepin/UOS 出品的一款 Android 模拟器）的操作，其它大多数还是通用的
获取 APK 信息主要是调用了 aapt，可以通过，从以下源代码即可看出：

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# 获取 aapt 的所有信息 def GetApkInformation(apkFilePath: "apk 所在路径")->"获取 aapt 的所有信息":  return GetCommandReturn("aapt dump badging '{}'".format(apkFilePath))

是调用了

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1	aapt dump badging apk文件

的命令，返回的为如下内容（接下来均以程序 QQ 为例）

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package: name='com.tencent.mobileqq' versionCode='3118' versionName='8.9.3' platformBuildVersionName='' install-location:'auto' sdkVersion:'21' targetSdkVersion:'26' uses-permission: name='com.android.launcher.permission.INSTALL_SHORTCUT' uses-permission: name='android.permission.WRITE_EXTERNAL_STORAGE' uses-permission: name='android.permission.INTERNET' uses-permission: name='android.permission.VIBRATE' uses-permission: name='android.permission.ACCESS_NETWORK_STATE' uses-permission: name='android.permission.CHANGE_CONFIGURATION' uses-permission: name='android.permission.RECEIVE_BOOT_COMPLETED' uses-permission: name='android.permission.WAKE_LOCK' uses-permission: name='android.permission.SYSTEM_ALERT_WINDOW' uses-permission: name='android.permission.RECORD_AUDIO' uses-permission: name='com.tencent.msf.permission.account.sync' uses-permission: name='android.permission.MODIFY_AUDIO_SETTINGS' uses-permission: name='android.permission.CAMERA' uses-permission: name='android.permission.CHANGE_WIFI_STATE' uses-permission: name='android.permission.ACCESS_WIFI_STATE' uses-permission: name='android.permission.KILL_BACKGROUND_PROCESSES' uses-permission: name='com.android.launcher.permission.READ_SETTINGS' uses-permission: name='com.android.launcher.permission.UNINSTALL_SHORTCUT' uses-permission: name='android.permission.PERSISTENT_ACTIVITY' uses-permission: name='android.permission.WRITE_SETTINGS' uses-permission: name='android.permission.GET_TASKS' uses-permission: name='com.tencent.permission.VIRUS_SCAN' uses-permission: name='android.permission.READ_LOGS' uses-permission: name='android.permission.READ_CONTACTS' uses-permission: name='android.permission.FLASHLIGHT' uses-permission: name='android.permission.BLUETOOTH' uses-permission: name='android.permission.BLUETOOTH_ADMIN' uses-permission: name='android.permission.BROADCAST_STICKY' uses-permission: name='android.permission.WRITE_CONTACTS' uses-permission: name='android.permission.WRITE_OWNER_DATA' uses-permission: name='android.permission.SYSTEM_OVERLAY_WINDOW' uses-permission: name='android.permission.USE_FINGERPRINT' uses-permission: name='com.soter.permission.ACCESS_SOTER_KEYSTORE' uses-permission: name='android.permission.USE_FACERECOGNITION' uses-permission: name='android.permission.CHANGE_NETWORK_STATE' uses-permission: name='android.permission.EXPAND_STATUS_BAR' uses-permission: name='android.permission.INTERACT_ACROSS_USERS' uses-permission: name='com.android.launcher.permission.WRITE_SETTINGS' uses-permission: name='com.android.launcher2.permission.READ_SETTINGS' uses-permission: name='com.android.launcher3.permission.READ_SETTINGS' uses-permission: name='com.android.launcher3.permission.WRITE_SETTINGS' uses-permission: name='com.google.android.launcher.permission.READ_SETTINGS' uses-permission: name='com.bbk.launcher2.permission.READ_SETTINGS' uses-permission: name='com.huaqin.launcherEx.permission.READ_SETTINGS' uses-permission: name='com.htc.launcher.settings' uses-permission: name='com.htc.launcher.permission.READ_SETTINGS' uses-permission: name='com.htc.launcher.permission.WRITE_SETTINGS' uses-permission: name='com.huawei.launcher2.permission.READ_SETTINGS' uses-permission: name='com.huawei.launcher3.permission.READ_SETTINGS' uses-permission: name='com.huawei.android.launcher.permission.READ_SETTINGS' uses-permission: name='com.oppo.launcher.permission.READ_SETTINGS' uses-permission: name='com.android.launcher2.permission.READ_SETTINGS' uses-permission: name='com.meizu.android.launcher.permission.READ_SETTINGS' uses-permission: name='com.meizu.launcher2.permission.READ_SETTINGS' uses-permission: name='com.lenovo.launcher.permission.READ_SETTINGS' uses-permission: name='com.ebproductions.android.launcher.permission.READ_SETTINGS' uses-permission: name='com.sec.android.app.twlauncher.settings.READ_SETTINGS' uses-permission: name='com.fede.launcher.permission.READ_SETTINGS' uses-permission: name='net.qihoo.launcher.permission.READ_SETTINGS' uses-permission: name='com.qihoo360.launcher.permission.READ_SETTINGS' uses-permission: name='com.lge.launcher.permission.READ_SETTINGS' uses-permission: name='org.adw.launcher.permission.READ_SETTINGS' uses-permission: name='telecom.mdesk.permission.READ_SETTINGS' uses-permission: name='com.tencent.mobileqq.permission.Pandora' uses-permission: name='com.sonyericsson.home.permission.BROADCAST_BADGE' uses-permission: name='com.sec.android.provider.badge.permission.READ' uses-permission: name='com.sec.android.provider.badge.permission.WRITE' uses-permission: name='com.lenovo.launcher.permission.BADGE_READ' uses-permission: name='com.lenovo.launcher.permission.BADGE_WRITE' uses-permission: name='com.huawei.android.launcher.permission.CHANGE_BADGE' uses-permission: name='com.huawei.authentication.HW_ACCESS_AUTH_SERVICE' uses-permission: name='android.permission.GET_ACCOUNTS' uses-permission: name='android.permission.MANAGE_ACCOUNTS' uses-permission: name='android.permission.AUTHENTICATE_ACCOUNTS' uses-permission: name='android.permission.WRITE_CONTACTS' uses-permission: name='android.permission.READ_SYNC_SETTINGS' uses-permission: name='android.permission.WRITE_SYNC_SETTINGS' uses-permission: name='android.permission.DISABLE_KEYGUARD' uses-permission: name='android.permission.CHANGE_WIFI_MULTICAST_STATE' uses-permission: name='com.tencent.mobileqq.permission.MM_MESSAGE' uses-permission: name='android.permission.WRITE_CALENDAR' uses-permission: name='android.permission.READ_CALENDAR' uses-permission: name='android.permission.RESTART_PACKAGES' uses-permission: name='android.permission.NFC' uses-permission: name='android.permission.READ_APP_BADGE' uses-permission: name='android.permission.READ_PACKAGE_BADGE' uses-permission: name='miui.permission.READ_STEPS' uses-permission: name='android.permission.REQUEST_INSTALL_PACKAGES' uses-permission: name='com.google.android.gms.permission.ACTIVITY_RECOGNITION' uses-permission: name='android.permission.FOREGROUND_SERVICE' uses-permission: name='com.tencent.mobileqq.permission.TMF_SHARK' uses-permission: name='com.tencent.photos.permission.DATA' uses-permission: name='com.tencent.msf.permission.account.sync' uses-permission: name='com.tencent.music.data.permission2' uses-permission: name='android.permission.CHANGE_WIFI_STATE' uses-permission: name='android.permission.INTERNET' uses-permission: name='android.permission.ACCESS_WIFI_STATE' uses-permission: name='android.permission.ACCESS_NETWORK_STATE' uses-permission: name='android.permission.ACCESS_LOCATION' uses-permission: name='android.permission.ACCESS_FINE_LOCATION' uses-permission: name='android.permission.ACCESS_COARSE_LOCATION' uses-permission: name='android.permission.CAMERA' uses-permission: name='android.permission.WAKE_LOCK' uses-permission: name='com.android.launcher.permission.INSTALL_SHORTCUT' uses-permission: name='android.permission.RECEIVE_BOOT_COMPLETED' uses-permission: name='com.tencent.msg.permission.pushnotify' uses-permission: name='com.tencent.msf.permission.account.sync' uses-permission: name='com.tencent.wifisdk.permission.disconnect' uses-permission: name='com.tencent.qqhead.permission.getheadresp' uses-permission: name='com.tencent.qzone.permission.notify' uses-permission: name='com.tencent.mobileqq.permission.MIPUSH_RECEIVE' uses-permission: name='com.tencent.qav.permission.broadcast' uses-permission: name='android.permission.ALARM_LOCK' uses-permission: name='android.permission.REORDER_TASKS' uses-permission: name='com.tencent.mobileqq.vfs.broadcast' uses-permission: name='com.tencent.mobileqq.backtrace.warmed_up' uses-permission: name='com.android.vending.CHECK_LICENSE' uses-permission: name='com.tencent.mobileqq.permission.PROCESS_PUSH_MSG' uses-permission: name='com.tencent.mobileqq.permission.PUSH_PROVIDER' uses-permission: name='com.coloros.mcs.permission.RECIEVE_MCS_MESSAGE' uses-permission: name='com.vivo.assistant.StepProvider' uses-permission: name='com.vivo.assistant.permission.access.provider' uses-permission: name='com.vivo.assistant.permission.sport.broadcast' uses-permission: name='com.asus.msa.SupplementaryDID.ACCESS' uses-permission: name='com.oplus.ocs.permission.third' application-label:'QQ' application-icon-120:'r/b/icon.png' application-icon-160:'r/b/icon.png' application-icon-213:'r/b/icon.png' application-icon-240:'r/b/icon.png' application-icon-320:'r/b/icon.png' application-icon-480:'r/b/icon.png' application-icon-640:'r/b/icon.png' application-icon-65534:'r/b/icon.png' application-icon-65535:'r/b/icon.png' application: label='QQ' icon='r/b/icon.png' uses-library-not-required:'com.sec.android.app.multiwindow' uses-library-not-required:'scamera_sep' launchable-activity: name='com.tencent.mobileqq.activity.SplashActivity'  label='QQ' icon='' uses-library-not-required:'com.google.android.media.effects' uses-library-not-required:'com.motorola.hardware.frontcamera' uses-library-not-required:'org.apache.http.legacy' uses-library-not-required:'soterkeystore' uses-permission: name='android.permission.READ_EXTERNAL_STORAGE' uses-implied-permission: name='android.permission.READ_EXTERNAL_STORAGE' reason='requested WRITE_EXTERNAL_STORAGE' feature-group: label=''   uses-gl-es: '0x20000'   uses-feature-not-required: name='android.hardware.bluetooth_le'   uses-feature: name='android.hardware.camera'   uses-feature-not-required: name='android.hardware.camera.autofocus'   uses-feature-not-required: name='android.hardware.location'   uses-feature-not-required: name='android.hardware.location.gps'   uses-feature-not-required: name='android.hardware.location.network'   uses-feature-not-required: name='android.hardware.telephony'   uses-feature: name='android.hardware.bluetooth'   uses-implied-feature: name='android.hardware.bluetooth' reason='requested android.permission.BLUETOOTH permission, requested android.permission.BLUETOOTH_ADMIN permission, and targetSdkVersion > 4'   uses-feature: name='android.hardware.faketouch'   uses-implied-feature: name='android.hardware.faketouch' reason='default feature for all apps'   uses-feature: name='android.hardware.microphone'   uses-implied-feature: name='android.hardware.microphone' reason='requested android.permission.RECORD_AUDIO permission'   uses-feature: name='android.hardware.screen.landscape'   uses-implied-feature: name='android.hardware.screen.landscape' reason='one or more activities have specified a landscape orientation'   uses-feature: name='android.hardware.screen.portrait'   uses-implied-feature: name='android.hardware.screen.portrait' reason='one or more activities have specified a portrait orientation'   uses-feature: name='android.hardware.wifi'   uses-implied-feature: name='android.hardware.wifi' reason='requested android.permission.ACCESS_WIFI_STATE permission, requested android.permission.CHANGE_WIFI_MULTICAST_STATE permission, and requested android.permission.CHANGE_WIFI_STATE permission' provides-component:'wallpaper' provides-component:'payment' main other-activities other-receivers other-services supports-screens: 'small' 'normal' 'large' 'xlarge' supports-any-density: 'true' locales: '--_--' densities: '120' '160' '213' '240' '320' '480' '640' '65534' '65535' native-code: 'arm64-v8a'

从以上内容可以看到程序申请的权限、图标在包里的路径、程序名、版本、包名、activity等等，可以获取大多数的信息，因此，就可以基于 aapt 获取 APK 信息
首先是包名和版本号，从获取信息的第一行就可以看到了

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1	package: name='com.tencent.mobileqq' versionCode='3118' versionName='8.9.3' platformBuildVersionName=''

因此采用遍历读取每一行开头是否含有

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package:

，定位到所在行，包名排除掉 versionCode 后面和 name 及其前面即可获取包名
版本号排除掉 versionName 及其前面和 platformBuildVersionName 即可

写出的代码如下：

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# 获取 apk 包名 def GetApkPackageName(apkFilePath: "apk 所在路径")->"获取 apk 包名":  info = GetApkInformation(apkFilePath)  for line in info.split('\n'):   if "package:" in line:    line = line[0: line.index("versionCode='")]    line = line.replace("package:", "")    line = line.replace("name=", "")    line = line.replace("'", "")    line = line.replace(" ", "")    return line

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# 获取 APK 版本号 def GetApkVersion(apkFilePath):  info = GetApkInformation(apkFilePath)  for line in info.split('\n'):  if "package:" in line:    if "compileSdkVersion='" in line:  line = line.replace(line[line.index("compileSdkVersion='"): -1], "")   if "platform" in line:    line = line.replace(line[line.index("platform"): -1], "")    line = line.replace(line[0: line.index("versionName='")], "")    line = line.replace("versionName='", "")    line = line.replace("'", "")    line = line.replace(" ", "")    return line

而打开 Android 应用不是只有包名就可以打开的，还需要程序的activity，同样还是使用 aapt 返回的信息，在 143 行

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1	launchable-activity: name='com.tencent.mobileqq.activity.SplashActivity'  label='QQ' icon=''

截取中间的 com.tencent.mobileqq.activity.SplashActivity 即可，实现的代码如下：

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# 获取 apk Activity def GetApkActivityName(apkFilePath: "apk 所在路径")->"获取 apk Activity":  info = GetApkInformation(apkFilePath)  for line in info.split('\n'):   if "launchable-activity" in line:    line = line[0: line.index("label='")]    line = line.replace("launchable-activity: ", "")    line = line.replace("'", "")    line = line.replace(" ", "")    line = line.replace("name=", "")    line = line.replace("label=", "")    line = line.replace("icon=", "")    return line

而获取程序名称也和上面一样了，信息位于第 140 行，截取label=''中间的内容即可

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1	application: label='QQ' icon='r/b/icon.png'

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# 获取软件的中文名称 def GetApkChineseLabel(apkFilePath)->"获取软件的中文名称":  info = GetApkInformation(apkFilePath)  for line in info.split('\n'):   if "application-label:" in line:    line = line.replace("application-label:", "")    line = line.replace("'", "")    return line

而获取图标是全部信息获取难度最高的，首先从上面的示例文件中可以看到第 140 行就指定了图标在 APK 内的路径，而 APK 本质也是一个压缩包，因此我们拿 zipfile 这个库进行解压

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1	application: label='QQ' icon='r/b/icon.png'

下面是 UEngine 运行器 1.2.3 （commit：fde7a0d，文件名：main.py）实现读取图标的代码（1.3.0 就更新了获取方式了）

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# 获取图标在包内的路径 def GetApkIconInApk(apkFilePath)->"获取图标在包内的路径":  info = GetApkInformation(apkFilePath)  for line in info.split('\n'):   if "application:" in line:    line = line[line.index("icon='"): -1]    line = line.replace("icon='", "")    if "'" in line:  line = line[0: line.index("'")]    return line   # 获取 apk 文件的图标（部分程序不支持） def SaveApkIcon(apkFilePath, iconSavePath)->"获取 apk 文件的图标（部分程序不支持）":  zip = zipfile.ZipFile(apkFilePath)  iconData = zip.read(GetApkIconInApk(apkFilePath))  with open(iconSavePath, 'w+b') as saveIconFile:   saveIconFile.write(iconData)

但是如果搞像 B 站这个应用，会发现提取不了图标，你会巧妙的发现，指向的不是 png 而是 xml

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1	application: label='哔哩哔哩' icon='res/uFR.xml'

这是目前 1.8.0 的获取代码（因为这一块并不是我贡献的，所以不详细介绍）
（核心）getxmlimg.py：

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import PIL.Image as Image import PIL.ImageDraw as ImageDraw import zipfile import subprocess import re   class getsavexml():    def savexml(self,apkFilePath,xmlpath,iconSavePath):   cmddumpid = "aapt dump xmltree "+ apkFilePath + " " + xmlpath   print(cmddumpid)   xmltree =  subprocess.getoutput(cmddumpid)   xmls = xmltree.splitlines()   # find strs ,print next line   def FindStrs(lines,strs):    i=0    while i < len(lines):  if re.search(strs,lines[i]):   tmpstr = lines[i+1]   i += 1   Resultstr = tmpstr.split(":")[-1].split("=")[-1].split("0x")[-1]   return Resultstr  else:   i += 1   #从apk的信息中获取前后景图片的ID号   backimgid =  FindStrs(xmls,"background")   foreimgid =  FindStrs(xmls,"foreground")   print(backimgid)   print(foreimgid)     # 直接从apk resource文件获取前后两层图片路径及ID字符串   resource =  subprocess.getoutput("aapt dump --values resources " +  apkFilePath + "| grep -iE -A1 " +  "\"" + backimgid + "|" + foreimgid + "\"")   resourcelines = resource.splitlines()   print(resourcelines)     # 从过滤出的字符串中获取所有相同ID的图片路径   def Findpicpath(lines,imgid):    i=0    Resultstr = []    while i < len(lines):  if re.search(imgid,lines[i]) and re.search("string8",lines[i+1]) :   print(lines[i+1])   tmpstr = lines[i+1].replace("\"","")   i += 1   Resultstr.append(tmpstr.split()[-1])  else:   i += 1    return Resultstr     #获取所有带前后图片ID的图片路径（相同背景或者前景的图片ID但分辨率不一样）   backimgs =  Findpicpath(resourcelines,backimgid)   foreimgs =  Findpicpath(resourcelines,foreimgid)   print(backimgs)   print(foreimgs)   #获取分辨率最高的图片路径   def getmaxsize(imgs):    j = 0    size=(0,0)    zipapk = zipfile.ZipFile(apkFilePath)    imgpath = ""    while j < len(imgs):  print(imgs[j])  img = Image.open(zipapk.open(imgs[j]))  print(imgs[j])  print(img.size)  if size < img.size:   size = img.size   imgpath = imgs[j]  j += 1    return imgpath     # 获取到文件列表后，进行比较分辨率，选取分辨率最高的张图片   iconbackpath = getmaxsize(backimgs)   iconforepath = getmaxsize(foreimgs)   print(iconbackpath + " " + iconforepath)     #从APK文件获取最终图片   zipapk = zipfile.ZipFile(apkFilePath)   iconback = zipapk.open(iconbackpath)   iconfore = zipapk.open(iconforepath)       # 叠加图片，mask 设置前景为蒙版   iconbackimg =  Image.open(iconback).convert("RGBA")   iconforeimg =  Image.open(iconfore).convert("RGBA")   iconbackimg.paste(iconforeimg,mask=iconforeimg)       # 圆角图片函数，网上拷贝的   def circle_corner(img, radii):  #把原图片变成圆角，这个函数是从网上找的，原址 https://www./p/185266    """    圆角处理    :param img: 源图象。    :param radii: 半径，如：30。    :return: 返回一个圆角处理后的图象。    """    # 画圆（用于分离4个角）    circle = Image.new('L', (radii * 2, radii * 2), 0)  # 创建一个黑色背景的画布    draw = ImageDraw.Draw(circle)    draw.ellipse((0, 0, radii * 2, radii * 2), fill=255)  # 画白色圆形    # 原图    img = img.convert("RGBA")    w, h = img.size    # 画4个角（将整圆分离为4个部分）    alpha = Image.new('L', img.size, 255)    alpha.paste(circle.crop((0, 0, radii, radii)), (0, 0))  # 左上角    alpha.paste(circle.crop((radii, 0, radii * 2, radii)), (w - radii, 0))  # 右上角    alpha.paste(circle.crop((radii, radii, radii * 2, radii * 2)), (w - radii, h - radii))  # 右下角    alpha.paste(circle.crop((0, radii, radii, radii * 2)), (0, h - radii))  # 左下角    # alpha.show()    img.putalpha(alpha)  # 白色区域透明可见，黑色区域不可见    return img     #  圆角半径1/8边长,保存icon图片   w,h = iconbackimg.size   iconimg = circle_corner(iconbackimg,int(w/8))   iconimg.save(iconSavePath)

mainwindow.py：

[Python] 纯文本查看 复制代码

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# 保存apk图标 def SaveApkIcon(apkFilePath, iconSavePath)->"保存 apk 文件的图标":  try:   if os.path.exists(iconSavePath):    os.remove(iconSavePath)   info = GetApkInformation(apkFilePath)   for line in info.split('\n'):    if "application:" in line:  xmlpath = line.split(":")[-1].split()[-1].split("=")[-1].replace("'","")   if xmlpath.endswith('.xml'):    xmlsave = getsavexml()    print(xmlpath)    xmlsave.savexml(apkFilePath,xmlpath,iconSavePath)    return  else:   zip = zipfile.ZipFile(apkFilePath)   iconData = zip.read(xmlpath)   with open(iconSavePath, 'w+b') as saveIconFile:    saveIconFile.write(iconData)    return   print("None Icon! Show defult icon")   shutil.copy(programPath + "/defult.png", iconSavePath)  except:   traceback.print_exc()   print("Error, show defult icon")   shutil.copy(programPath + "/defult.png", iconSavePath)

其它的例如 root 镜像、键盘映射、添加 adb 运行列表就不详细介绍了


核心的功能就完成了
（到时候审核过/没过后再传代码仓库和写 README）