[Fingerprint] Help text for backup screen lock

Show a help text saying "Choose your backup screen lock method" when
asking the user for backup screen lock during fingerprint enrollment.

A backup translation is specified, using the source string "Set up your
backup screen lock method".

Bug: 22879473
Change-Id: I9b9348141227103e695d1fc78601745cac0309a7

1 files changed, 15 insertions, 0 deletions

diff --git a/src/com/android/settings/ChooseLockGeneric.java b/src/com/android/settings/ChooseLockGeneric.java
index 70ef4d9..1015a45 100644
--- a/src/com/android/settings/ChooseLockGeneric.java
+++ b/src/com/android/settings/ChooseLockGeneric.java
@@ -38,7 +38,10 @@ import android.hardware.fingerprint.FingerprintManager;
 import android.hardware.fingerprint.FingerprintManager.RemovalCallback;
 import android.util.EventLog;
 import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
 import android.view.accessibility.AccessibilityManager;
+import android.widget.ListView;
 import android.widget.Toast;
 
 import com.android.internal.logging.MetricsLogger;
@@ -168,6 +171,18 @@ public class ChooseLockGeneric extends SettingsActivity {
         }
 
         @Override
+        public void onViewCreated(View view, Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
+            if (mForFingerprint) {
+                final LayoutInflater inflater = LayoutInflater.from(getContext());
+                final ListView listView = getListView();
+                final View fingerprintHeader = inflater.inflate(
+                        R.layout.choose_lock_generic_fingerprint_header, listView, false);
+                listView.addHeaderView(fingerprintHeader, null, false);
+            }
+        }
+
+        @Override
         public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen,
                 Preference preference) {
             final String key = preference.getKey();