你可以这样做:

Download and install APK Extractor in your device. It is free, and is compatible in almost all of the Android devices. Another plus point is it does not even require root or anything to work. After you have it installed, launch it. There you will see a list of apps which are in your device, which include the apps you’ve installed later, along with the system apps. Long press any app you want to extract (you can select multiple or all apps at once), and click on the extract option you see in the top. You will also have the option to share via Bluetooth or messaging. You’re done, you will see the extracted apps as AppName_AppPackage_AppVersionName_AppVersionCode.apk, which will be saved in the path /sdcard/ExtractedApks/ by default.

android中如何提取apk文件的详细说明，请访问:http://appslova.com/how-to-extract-apk-files-in-android/

如果你知道(或者你能“猜”到)。apk的路径(它的格式似乎是/data/app/com.example.someapp-{1,2，..}.apk to)，那么你也可以从/data/app中复制它。这个功能甚至在我的非根安卓手机上也能运行。

只需使用终端模拟器应用程序(比如这个)并运行:

# step 1: confirm path
ls /data/app/com.example.someapp-1.apk
# if it doesn't show up, try -2, -3. Note that globbing (using *) doesn't work here.
# step 2: copy (make sure you adapt the path to match what you discovered above)
cp /data/app/com.example.someapp-1.apk /mnt/sdcard/

然后你可以把它从sd卡移到任何你想要的地方(或附加到电子邮件等)。最后一点在技术上可能是可选的，但它使您在尝试使用.apk文件时更加轻松。

你可以这样做:

Download and install APK Extractor in your device. It is free, and is compatible in almost all of the Android devices. Another plus point is it does not even require root or anything to work. After you have it installed, launch it. There you will see a list of apps which are in your device, which include the apps you’ve installed later, along with the system apps. Long press any app you want to extract (you can select multiple or all apps at once), and click on the extract option you see in the top. You will also have the option to share via Bluetooth or messaging. You’re done, you will see the extracted apps as AppName_AppPackage_AppVersionName_AppVersionCode.apk, which will be saved in the path /sdcard/ExtractedApks/ by default.

android中如何提取apk文件的详细说明，请访问:http://appslova.com/how-to-extract-apk-files-in-android/

想要非常非常舒服的一分钟解决方案吗?

只需你这个应用程序https://play.google.com/store/apps/details?id=com.cvinfo.filemanager(智能文件管理器从谷歌发挥)。

点击“应用程序”，选择一个，然后点击“备份”。它将在你的文件系统的app_backup文件夹;)

我得到了一个不存在的错误

我是这么做的

adb shell pm list packages -f | findstr zalo
package:/data/app/com.zing.zalo-1/base.apk=com.zing.zalo

adb shell
mido:/ $ cp /data/app/com.zing.zalo-1/base.apk /sdcard/zalo.apk
mido:/ $ exit


adb pull /sdcard/zalo.apk Desktop

/sdcard/zalo.apk: 1 file pulled. 7.7 MB/s (41895394 bytes in 5.200s)

适用于所有Android版本的一行代码:

adb shell 'cat `pm path com.example.name | cut -d':' -f2`' > app.apk