不让GMS应用更新补丁

.../android/server/pm/PackageManagerService.java   |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 services/core/java/com/android/server/pm/PackageManagerService.java

diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
old mode 100644
new mode 100755
index 59b8814..e8e2e86
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -239,7 +239,7 @@ public class PackageManagerService extends IPackageManager.Stub {
     static final boolean DEBUG_SETTINGS = false;
     static final boolean DEBUG_PREFERRED = false;
     static final boolean DEBUG_UPGRADE = false;
-    private static final boolean DEBUG_INSTALL = false;
+    private static final boolean DEBUG_INSTALL = true;
     private static final boolean DEBUG_REMOVE = false;
     private static final boolean DEBUG_BROADCASTS = false;
     private static final boolean DEBUG_SHOW_INFO = false;
@@ -10760,7 +10760,7 @@ public class PackageManagerService extends IPackageManager.Stub {
         // Result object to be returned
         res.returnCode = PackageManager.INSTALL_SUCCEEDED;
 
-        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile);
+        if (DEBUG_INSTALL) Slog.d(TAG, "installPackageLI: path=" + tmpPackageFile+android.util.Log.getStackTraceString(new Throwable()));
         // Retrieve PackageSettings and parse package
         final int parseFlags = mDefParseFlags | PackageParser.PARSE_CHATTY
                 | (forwardLocked ? PackageParser.PARSE_FORWARD_LOCK : 0)
@@ -10781,6 +10781,10 @@ public class PackageManagerService extends IPackageManager.Stub {
         pkg.cpuAbiOverride = args.abiOverride;
 
         String pkgName = res.name = pkg.packageName;
+        if (pkgName.equals("com.android.vending")) {
+            res.setError(INSTALL_FAILED_PACKAGE_CHANGED, "installPackageLI");
+            return; （安卓12去掉这行）
+        }
         if ((pkg.applicationInfo.flags&ApplicationInfo.FLAG_TEST_ONLY) != 0) {
             if ((installFlags & PackageManager.INSTALL_ALLOW_TEST) == 0) {
                 res.setError(INSTALL_FAILED_TEST_ONLY, "installPackageLI");
--