如何使用系统权限编译Android应用程序
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How to compile Android Application with system permissions
提问by Michalis
I need to compile an application with system permissions in order to use target application com.android.settings. For now while I try to run my apk I get the error message
我需要编译具有系统权限的应用程序才能使用目标应用程序 com.android.settings。现在，当我尝试运行我的 apk 时，我收到错误消息
Test run failed: Permission Denial: starting instrumentation ComponentInfo{com.jayway.test/android.test.InstrumentationTestRunner} from pid=354, uid=354 not allowed because package com.jayway.test does not have a signature matching the target com.android.settings
测试运行失败：权限拒绝：从 pid=354, uid=354 开始检测 ComponentInfo{com.jayway.test/android.test.InstrumentationTestRunner} 不允许，因为包 com.jayway.test 没有与目标 com 匹配的签名。 android.settings
How can I compile my application with system permissions?
如何使用系统权限编译我的应用程序？
回答by Michalis
After having some search I found how to sign my application with system (platform) key.
System signatures are located in directory <root-of-android-source-tree>/build/target/product/security. You can use them to sign your application with system privileges.
经过一番搜索后，我找到了如何使用系统（平台）密钥对我的应用程序进行签名。系统签名位于目录中<root-of-android-source-tree>/build/target/product/security。您可以使用它们以系统权限对您的应用程序进行签名。
回答by Marko Katic
Add to manifest android:sharedUserId="android.uid.system"
Download System signatures files: platform.x509.pem platform.pk8
添加到清单 android:sharedUserId="android.uid.system"
下载系统签名文件：platform.x509.pem platform.pk8
link: https://android.googlesource.com/platform/build/+/android-8.0.0_r17/target/product/security/
链接：https: //android.googlesource.com/platform/build/+/android-8.0.0_r17/target/product/security/
- Sign app through terminal (java -jar signapk.jar platform.x509.pem platform.pk8 unsigned.apk signed.apk) (first you must put all files to one folder), or make certificate with keytool-importkeypair to make google_certificate.keystore and then
- 通过终端签名应用程序（java -jar signapk.jar platform.x509.pem platform.pk8 unsigned.apk signed.apk）（首先你必须把所有文件放在一个文件夹中），或者用keytool-importkeypair制作证书来制作google_certificate.keystore进而
link for keytool-importkeypair download and explanation:
keytool-importkeypair 下载和说明链接：
https://github.com/getfatday/keytool-importkeypair
https://github.com/getfatday/keytool-importkeypair
- After that steps install your signed system app to your device. Good luck!!!
- 在这些步骤之后，将您签名的系统应用程序安装到您的设备上。祝你好运！！！
回答by Mike Mitterer
The anser for me was simply delete the debug.keystore file. The default storage location for AVDs is in ~/.android/ on OS X and Linux, in C:\Documents and Settings\.android\ on Windows XP, and in C:\Users\.android\ on Windows Vista.
对我来说，答案只是删除 debug.keystore 文件。AVD 的默认存储位置在 OS X 和 Linux 上的 ~/.android/，Windows XP 上的 C:\Documents and Settings\.android\ 和 Windows Vista 上的 C:\Users\.android\。
In Eclipse I "cleaned" the project, uninstalled the App and the TestApp from the emulator and - voila everything ran fine again.
在 Eclipse 中，我“清理”了项目，从模拟器中卸载了 App 和 TestApp，然后 - 瞧，一切又恢复正常了。
