共计 1303 个字符,预计需要花费 4 分钟才能阅读完成。
Android P 版本。
解决方案如下:
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 4f09f6e..e6f2f19 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -2652,6 +2652,14 @@ public class PackageManagerService extends IPackageManager.Stub
| SCAN_AS_SYSTEM,
0);
+ final File preloadAppDir = new File(Environment.getRootDirectory(), "preloadapp");
+ scanDirTracedLI(preloadAppDir,
+ mDefParseFlags
+ | PackageParser.PARSE_IS_SYSTEM_DIR,
+ scanFlags
+ | SCAN_AS_SYSTEM,
+ 0);
+
// Collect privileged vendor packages.
File privilegedVendorAppDir = new File(Environment.getVendorDirectory(), "priv-app");
测试如下:将 ES 文件管理器放到上面目录,下面代码批改之后,m services 后替换 services 各组件,而后重启服务,之后能看到 launcher 中存在 ES 文件管理器,且能失常应用。
/system/preloadapp/cs/es-file-explorer-4-2-6-2-1.apk
替换 services 各组件命令:
adb root
adb remount
adb push X:\system\framework\oat\arm64\services.vdex /system/framework/oat/arm64/
adb push X:\system\framework\oat\arm64\services.odex /system/framework/oat/arm64/
adb push X:\system\framework\oat\arm64\services.art /system/framework/oat/arm64/
adb push X:\system\framework\services.jar.prof /system/framework/
adb push X:\system\framework\services.jar /system/framework/
adb shell sync
adb shell stop
adb shell start