[Fingerprint] Add skip dialog during SUW

During setup wizard, add a skip dialog to confirm whether the user
wants to skip fingerprint setup or not.

Bug: 23228889
Change-Id: I2c1c26522b085e722e7bd7b34a26d2a38412bee4

2 files changed, 60 insertions, 2 deletions

diff --git a/res/values/strings.xml b/res/values/strings.xml
index e5c63cb3e..48aa3c218 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -759,6 +759,13 @@
     <string name="setup_fingerprint_enroll_finish_message">Just touch the fingerprint sensor to wake and unlock your device.</string>
     <!-- Message shown when fingerprint enrollment is completed, telling user about the fingerprint icon that will be shown whenever they can use their fingerprint [CHAR LIMIT=NONE] -->
     <string name="setup_fingerprint_enroll_finish_message_secondary">When you see this icon, you can use your fingerprint.</string>
+    <!-- Title of the dialog shown when the user tries to skip fingerprint setup, asking them to confirm the action [CHAR LIMIT=40] -->
+    <string name="setup_fingerprint_enroll_enrolling_skip_title">Skip fingerprint setup?</string>
+    <!-- Content of the dialog shown when the user tries to skip fingerprint setup, asking them to confirm the action [CHAR LIMIT=NONE] -->
+    <string name="setup_fingerprint_enroll_enrolling_skip_message">To set up fingerprint access, stay on this screen and follow the instructions.</string>
+    <!-- Label of the button for the user to stay on fingerprint setup screen [CHAR LIMIT=20] -->
+    <string name="setup_fingerprint_enroll_enrolling_stay_button">Stay</string>
+
     <!-- Button text to setup screen lock in onboard dialog [CHAR LIMIT=34] -->
     <string name="security_settings_fingerprint_enroll_setup_screen_lock">Set up screen lock</string>
     <!-- Button text to exit fingerprint wizard after everything is done [CHAR LIMIT=15] -->
diff --git a/src/com/android/settings/fingerprint/SetupFingerprintEnrollEnrolling.java b/src/com/android/settings/fingerprint/SetupFingerprintEnrollEnrolling.java
index 0a3073c67..17f48ce5e 100644
--- a/src/com/android/settings/fingerprint/SetupFingerprintEnrollEnrolling.java
+++ b/src/com/android/settings/fingerprint/SetupFingerprintEnrollEnrolling.java
@@ -16,19 +16,29 @@
 
 package com.android.settings.fingerprint;
 
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.app.FragmentManager;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.res.Resources;
+import android.os.Bundle;
 import android.view.View;
 import android.widget.Button;
 
 import com.android.internal.logging.MetricsLogger;
 import com.android.settings.R;
 import com.android.settings.SetupWizardUtils;
+import com.android.setupwizardlib.util.SystemBarHelper;
 import com.android.setupwizardlib.view.NavigationBar;
 
 public class SetupFingerprintEnrollEnrolling extends FingerprintEnrollEnrolling
         implements NavigationBar.NavigationBarListener {
 
+    private static final String TAG_DIALOG = "dialog";
+
     @Override
     protected Intent getFinishIntent() {
         final Intent intent = new Intent(this, SetupFingerprintEnrollFinish.class);
@@ -69,12 +79,53 @@ public class SetupFingerprintEnrollEnrolling extends FingerprintEnrollEnrolling
 
     @Override
     public void onNavigateNext() {
-        setResult(RESULT_SKIP);
-        finish();
+        new SkipDialog().show(getFragmentManager(), TAG_DIALOG);
     }
 
     @Override
     protected int getMetricsCategory() {
         return MetricsLogger.FINGERPRINT_ENROLLING_SETUP;
     }
+
+    public static class SkipDialog extends DialogFragment {
+
+        @Override
+        public void show(FragmentManager manager, String tag) {
+            if (manager.findFragmentByTag(tag) == null) {
+                super.show(manager, tag);
+            }
+        }
+
+        public SkipDialog() {
+            // no-arg constructor for fragment
+        }
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            final AlertDialog dialog = new AlertDialog.Builder(getActivity())
+                    .setTitle(R.string.setup_fingerprint_enroll_enrolling_skip_title)
+                    .setMessage(R.string.setup_fingerprint_enroll_enrolling_skip_message)
+                    .setCancelable(false)
+                    .setPositiveButton(R.string.skip_label,
+                            new DialogInterface.OnClickListener() {
+                                @Override
+                                public void onClick(DialogInterface dialog, int id) {
+                                    Activity activity = getActivity();
+                                    if (activity != null) {
+                                        activity.setResult(RESULT_SKIP);
+                                        activity.finish();
+                                    }
+                                }
+                            })
+                    .setNegativeButton(R.string.setup_fingerprint_enroll_enrolling_stay_button,
+                            new DialogInterface.OnClickListener() {
+                                @Override
+                                public void onClick(DialogInterface dialog, int id) {
+                                }
+                            })
+                    .create();
+            SystemBarHelper.hideSystemBars(dialog);
+            return dialog;
+        }
+    }
 }