Add nullable annotations

Bug: 126700764
Test: None
Change-Id: If0a8904033bc8c7204450b058a307be9b51b2605

2 files changed, 14 insertions, 5 deletions

diff --git a/api/current.txt b/api/current.txt
index 03648ea01c78..60b980f102af 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -6230,14 +6230,14 @@ package android.app {
   }
 
   public class TaskInfo {
-    field public android.content.ComponentName baseActivity;
-    field public android.content.Intent baseIntent;
+    field @Nullable public android.content.ComponentName baseActivity;
+    field @NonNull public android.content.Intent baseIntent;
     field public boolean isRunning;
     field public int numActivities;
-    field public android.content.ComponentName origActivity;
-    field public android.app.ActivityManager.TaskDescription taskDescription;
+    field @Nullable public android.content.ComponentName origActivity;
+    field @Nullable public android.app.ActivityManager.TaskDescription taskDescription;
     field public int taskId;
-    field public android.content.ComponentName topActivity;
+    field @Nullable public android.content.ComponentName topActivity;
   }
 
   public class TaskStackBuilder {
diff --git a/core/java/android/app/TaskInfo.java b/core/java/android/app/TaskInfo.java
index dd00e5a74382..de64db9def64 100644
--- a/core/java/android/app/TaskInfo.java
+++ b/core/java/android/app/TaskInfo.java
@@ -16,6 +16,8 @@
 
 package android.app;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.annotation.UnsupportedAppUsage;
 import android.content.ComponentName;
 import android.content.Intent;
@@ -58,23 +60,27 @@ public class TaskInfo {
      * The base intent of the task (generally the intent that launched the task). This intent can
      * be used to relaunch the task (if it is no longer running) or brought to the front if it is.
      */
+    @NonNull
     public Intent baseIntent;
 
     /**
      * The component of the first activity in the task, can be considered the "application" of this
      * task.
      */
+    @Nullable
     public ComponentName baseActivity;
 
     /**
      * The component of the top activity in the task, currently showing to the user.
      */
+    @Nullable
     public ComponentName topActivity;
 
     /**
      * The component of the target activity if this task was started from an activity alias.
      * Otherwise, this is null.
      */
+    @Nullable
     public ComponentName origActivity;
 
     /**
@@ -82,6 +88,7 @@ public class TaskInfo {
      * alias).
      * @hide
      */
+    @Nullable
     public ComponentName realActivity;
 
     /**
@@ -106,6 +113,7 @@ public class TaskInfo {
      * The recent activity values for the highest activity in the stack to have set the values.
      * {@link Activity#setTaskDescription(android.app.ActivityManager.TaskDescription)}.
      */
+    @Nullable
     public ActivityManager.TaskDescription taskDescription;
 
     /**
@@ -126,6 +134,7 @@ public class TaskInfo {
      * The current configuration of the task.
      * @hide
      */
+    @NonNull
     @UnsupportedAppUsage
     public final Configuration configuration = new Configuration();