Implement tracking of package install times.

Provides information about the time at which the package was
first installed and the time it was last updated.

Change-Id: Icb43f77b5b669a1ce685e8913046b8be386b6175

3 files changed, 20 insertions, 2 deletions

diff --git a/core/java/android/content/pm/PackageInfo.java b/core/java/android/content/pm/PackageInfo.java
index af327c3..eb05d76 100644
--- a/core/java/android/content/pm/PackageInfo.java
+++ b/core/java/android/content/pm/PackageInfo.java
@@ -65,6 +65,18 @@ public class PackageInfo implements Parcelable {
     public ApplicationInfo applicationInfo;
     
     /**
+     * The time at which the app was first installed.  Units are as
+     * per {@link System#currentTimeMillis()}.
+     */
+    public long firstInstallTime;
+
+    /**
+     * The time at which the app was last updated.  Units are as
+     * per {@link System#currentTimeMillis()}.
+     */
+    public long lastUpdateTime;
+
+    /**
      * All kernel group-IDs that have been assigned to this package.
      * This is only filled in if the flag {@link PackageManager#GET_GIDS} was set.
      */
@@ -207,6 +219,8 @@ public class PackageInfo implements Parcelable {
         } else {
             dest.writeInt(0);
         }
+        dest.writeLong(firstInstallTime);
+        dest.writeLong(lastUpdateTime);
         dest.writeIntArray(gids);
         dest.writeTypedArray(activities, parcelableFlags);
         dest.writeTypedArray(receivers, parcelableFlags);
@@ -242,6 +256,8 @@ public class PackageInfo implements Parcelable {
         if (hasApp != 0) {
             applicationInfo = ApplicationInfo.CREATOR.createFromParcel(source);
         }
+        firstInstallTime = source.readLong();
+        lastUpdateTime = source.readLong();
         gids = source.createIntArray();
         activities = source.createTypedArray(ActivityInfo.CREATOR);
         receivers = source.createTypedArray(ActivityInfo.CREATOR);
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 7346561..b5d1653 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -1891,7 +1891,7 @@ public abstract class PackageManager {
         if (pkg == null) {
             return null;
         }
-        return PackageParser.generatePackageInfo(pkg, null, flags);
+        return PackageParser.generatePackageInfo(pkg, null, flags, 0, 0);
     }
 
     /**
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 89839ce..51f4202 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -187,7 +187,7 @@ public class PackageParser {
      * @param flags indicating which optional information is included.
      */
     public static PackageInfo generatePackageInfo(PackageParser.Package p,
-            int gids[], int flags) {
+            int gids[], int flags, long firstInstallTime, long lastUpdateTime) {
 
         PackageInfo pi = new PackageInfo();
         pi.packageName = p.packageName;
@@ -197,6 +197,8 @@ public class PackageParser {
         pi.sharedUserLabel = p.mSharedUserLabel;
         pi.applicationInfo = p.applicationInfo;
         pi.installLocation = p.installLocation;
+        pi.firstInstallTime = firstInstallTime;
+        pi.lastUpdateTime = lastUpdateTime;
         if ((flags&PackageManager.GET_GIDS) != 0) {
             pi.gids = gids;
         }