From b5d54fd8fab4d8c7e53197c528bc716cf6bce877 Mon Sep 17 00:00:00 2001
From: joshmccloskey <joshmccloskey@google.com>
Date: Wed, 30 Jan 2019 19:23:35 -0800
Subject: Placing intent on system handler.

Bug: 123598428
Test: Verified behavior works correctly on BiometricDemo app.
Change-Id: I9e9a9585e93dd34760d38e68489e949e63d297b0
---
 .../android/server/biometrics/BiometricService.java   | 19 +++++++++++--------
 1 file changed, 11 insertions(+), 8 deletions(-)

diff --git a/services/core/java/com/android/server/biometrics/BiometricService.java b/services/core/java/com/android/server/biometrics/BiometricService.java
index 15d66e6e646f..8cc560ee94e9 100644
--- a/services/core/java/com/android/server/biometrics/BiometricService.java
+++ b/services/core/java/com/android/server/biometrics/BiometricService.java
@@ -719,14 +719,17 @@ public class BiometricService extends SystemService {
             // result back to the client.
             // TODO(b/123378871): Remove when moved.
             if (bundle.getBoolean(BiometricPrompt.KEY_ENABLE_FALLBACK)) {
-                mConfirmDeviceCredentialReceiver = receiver;
-                final KeyguardManager kgm = getContext().getSystemService(KeyguardManager.class);
-                // Use this so we don't need to duplicate logic..
-                final Intent intent = kgm.createConfirmDeviceCredentialIntent(null /* title */,
-                        null /* description */);
-                // Then give it the bundle to do magic behavior..
-                intent.putExtra(KeyguardManager.EXTRA_BIOMETRIC_PROMPT_BUNDLE, bundle);
-                getContext().startActivityAsUser(intent, UserHandle.CURRENT);
+                mHandler.post(() -> {
+                    mConfirmDeviceCredentialReceiver = receiver;
+                    final KeyguardManager kgm = getContext().getSystemService(
+                            KeyguardManager.class);
+                    // Use this so we don't need to duplicate logic..
+                    final Intent intent = kgm.createConfirmDeviceCredentialIntent(null /* title */,
+                            null /* description */);
+                    // Then give it the bundle to do magic behavior..
+                    intent.putExtra(KeyguardManager.EXTRA_BIOMETRIC_PROMPT_BUNDLE, bundle);
+                    getContext().startActivityAsUser(intent, UserHandle.CURRENT);
+                });
                 return;
             }
 
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