Add null check for resolveInfo and Automotive feature.

AAOS uses multi-user model, and apps become queriable after user is
unlocked. Thus we need to make sure that the querying happens at the
right time with the right user with resolveActivityAsUser.

In order not to affect the stability, we can use the null check +
Automotive check for R.

This null check + Automotive check can be removed when resolving
Activity as User is implemented in S+.

Bug: 158508455
Test: Manual
Change-Id: I58e37f795136508ef7bb53c40214ed3c76f588bf

1 files changed, 18 insertions, 0 deletions

diff --git a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
index 34c85877577b..d96662e33797 100644
--- a/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
+++ b/packages/SystemUI/src/com/android/keyguard/KeyguardUpdateMonitor.java
@@ -227,6 +227,7 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
 
     private final Context mContext;
     private final boolean mIsPrimaryUser;
+    private final boolean mIsAutomotive;
     private final StatusBarStateController mStatusBarStateController;
     HashMap<Integer, SimData> mSimDatas = new HashMap<>();
     HashMap<Integer, ServiceState> mServiceStates = new HashMap<Integer, ServiceState>();
@@ -1749,6 +1750,8 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
             mFaceManager.addLockoutResetCallback(mFaceLockoutResetCallback);
         }
 
+        mIsAutomotive = isAutomotive();
+
         ActivityManagerWrapper.getInstance().registerTaskStackListener(mTaskStackListener);
         mUserManager = context.getSystemService(UserManager.class);
         mIsPrimaryUser = mUserManager.isPrimaryUser();
@@ -2469,6 +2472,14 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                 .addCategory(Intent.CATEGORY_HOME);
         ResolveInfo resolveInfo = mContext.getPackageManager().resolveActivity(homeIntent,
                 0 /* flags */);
+
+        // TODO(b/160971249): Replace in the future by resolving activity as user.
+        if (resolveInfo == null && mIsAutomotive) {
+            Log.w(TAG, "resolveNeedsSlowUnlockTransition: returning false since activity "
+                    + "could not be resolved.");
+            return false;
+        }
+
         return FALLBACK_HOME_COMPONENT.equals(resolveInfo.getComponentInfo().getComponentName());
     }
 
@@ -2539,6 +2550,10 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
         return false;
     }
 
+    private boolean isAutomotive() {
+        return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_AUTOMOTIVE);
+    }
+
     /**
      * Remove the given observer's callback.
      *
@@ -2966,5 +2981,8 @@ public class KeyguardUpdateMonitor implements TrustManager.TrustListener, Dumpab
                 pw.println("    " + time + " " + model.toString());
             }
         }
+        if (mIsAutomotive) {
+            pw.println("  Running on Automotive build");
+        }
     }
 }