对比Android11,frameworks\base\services\core\java\com\android\server\pm\permission文件夹下,多了个PermissionManagerServiceImpl.java.
有一部分关于权限的处理,移到了这个文件中.比如:restorePermissionState(...)
all app granted permissions by default
+++ b/frameworks/base/services/core/java/com/android/server/pm/permission/Permission.java
@@ -206,12 +206,18 @@ public final class Permission {
}
public boolean isNormal() {
- return (mPermissionInfo.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE)
- == PermissionInfo.PROTECTION_NORMAL;
+ //add text
+ /*return (mPermissionInfo.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE)
+ == PermissionInfo.PROTECTION_NORMAL;*/
+ return true;
+ //add text
}
public boolean isRuntime() {
- return (mPermissionInfo.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE)
- == PermissionInfo.PROTECTION_DANGEROUS;
+ //add text
+ /*return (mPermissionInfo.protectionLevel & PermissionInfo.PROTECTION_MASK_BASE)
+ == PermissionInfo.PROTECTION_DANGEROUS;*/
+ return false;
+ //add text
}
customer's app granted permissions by default
/**
* Restore the permission state for a package.
*
* <ul>
* <li>During boot the state gets restored from the disk</li>
* <li>During app update the state gets restored from the last version of the app</li>
* </ul>
*
* @param pkg the package the permissions belong to
* @param replace if the package is getting replaced (this might change the requested
* permissions of this package)
* @param packageOfInterest If this is the name of {@code pkg} add extra logging
* @param callback Result call back
* @param filterUserId If not {@link UserHandle.USER_ALL}, only restore the permission state for
* this particular user
*/
private void restorePermissionState(@NonNull AndroidPackage pkg, boolean replace,
@Nullable String packageOfInterest, @Nullable PermissionCallback callback,
@UserIdInt int filterUserId) {
...
else if (bp.isRuntime()) {
boolean hardRestricted = bp.isHardRestricted();
boolean softRestricted = bp.isSoftRestricted();
...
if (wasChanged) {
updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId);
}
uidState.updatePermissionFlags(bp, MASK_PERMISSION_FLAGS_ALL, flags);
+ //add text
+ String packageName_t = pkg.getPackageName();
+ if(packageName_t.equals("android.xx.xxxxx")){
+ uidState.revokePermission(bp);//先撤销
+ uidState.updatePermissionFlags(bp, MASK_PERMISSION_FLAGS_ALL, 0);//在更新
+ updatedUserIds = ArrayUtils.appendInt(updatedUserIds, userId);
+ if(uidState.grantPermission(bp)){
+ changedInstallPermission = true;//让RunTime Permission 走 Install Permission 的路
+ }
+ }
+ //add text
} else {
Slog.wtf(LOG_TAG, "Unknown permission protection " + bp.getProtection()
+ " for permission " + bp.getName());
...
}