Merge "Add face enroll accessibility dialog" into rvc-qpr-dev

res/values/strings.xml

@@ -730,6 +730,12 @@
     <string name="security_settings_face_enroll_education_message"></string>
     <!-- Button that takes the user to the enrollment activity [CHAR LIMIT=20] -->
     <string name="security_settings_face_enroll_education_start">Start</string>
+    <!-- Confirmation dialog message shown when users with system accessibility features enabled try to start the non-accessibility version of enrollment [CHAR LIMIT=150] -->
+    <string name="security_settings_face_enroll_education_accessibility_dialog_message">If accessibility face unlock is turned off, some setup steps may not work properly with TalkBack.</string>
+    <!-- Negative button text for users who were shown the accessibility dialog [CHAR LIMIT=10] -->
+    <string name="security_settings_face_enroll_education_accessibility_dialog_negative">Go back</string>
+    <!-- Positive button text for users who were shown the accessibility dialog [CHAR LIMIT=20] -->
+    <string name="security_settings_face_enroll_education_accessibility_dialog_positive">Continue setup</string>
     <!-- Button shown which shows accessibility toggles for face enrollment when clicked. [CHAR LIMIT=32] -->
     <string name="security_settings_face_enroll_introduction_accessibility">Use accessibility setup</string>
     <!-- Additional details shown when the accessibility toggle is expanded. [CHAR LIMIT=NONE]-->

src/com/android/settings/biometrics/face/FaceEnrollAccessibilityDialog.java

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.biometrics.face;
+
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.settings.SettingsEnums;
+import android.os.Bundle;
+
+import com.android.settings.R;
+import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
+
+/**
+ * Confirmation dialog shown to users with accessibility enabled who are trying to start the
+ * non-accessibility enrollment flow.
+ */
+public class FaceEnrollAccessibilityDialog extends InstrumentedDialogFragment {
+    private AlertDialog.OnClickListener mPositiveButtonListener;
+
+    /**
+     * @return new instance of the dialog
+     */
+    public static FaceEnrollAccessibilityDialog newInstance() {
+        return new FaceEnrollAccessibilityDialog();
+    }
+
+    public void setPositiveButtonListener(AlertDialog.OnClickListener listener) {
+        mPositiveButtonListener = listener;
+    }
+
+    @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
+
+        final int titleResId =
+                R.string.security_settings_face_enroll_education_accessibility_dialog_message;
+        final int negativeButtonResId =
+                R.string.security_settings_face_enroll_education_accessibility_dialog_negative;
+        final int positiveButtonResId =
+                R.string.security_settings_face_enroll_education_accessibility_dialog_positive;
+
+        builder.setMessage(titleResId)
+                .setNegativeButton(negativeButtonResId, (dialog, which) -> {
+                    dialog.cancel();
+                })
+                .setPositiveButton(positiveButtonResId, (dialog, which) -> {
+                    mPositiveButtonListener.onClick(dialog, which);
+                });
+
+        return builder.create();
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.FACE_ENROLL_INTRO;
+    }
+}

src/com/android/settings/biometrics/face/FaceEnrollEducation.java

@@ -55,6 +55,7 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
     private Intent mResultIntent;
     private TextView mDescriptionText;
     private boolean mNextClicked;
+    private boolean mAccessibilityEnabled;
 
     private CompoundButton.OnCheckedChangeListener mSwitchDiversityListener =
             new CompoundButton.OnCheckedChangeListener() {
@@ -123,13 +124,12 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
                 .setTheme(R.style.SudGlifButton_Primary)
                 .build();
 
-        boolean accessibilityEnabled = false;
         final AccessibilityManager accessibilityManager = getApplicationContext().getSystemService(
                 AccessibilityManager.class);
         if (accessibilityManager != null) {
             // Add additional check for touch exploration. This prevents other accessibility
             // features such as Live Transcribe from defaulting to the accessibility setup.
-            accessibilityEnabled = accessibilityManager.isEnabled()
+            mAccessibilityEnabled = accessibilityManager.isEnabled()
                     && accessibilityManager.isTouchExplorationEnabled();
         }
         mFooterBarMixin.setPrimaryButton(footerButton);
@@ -147,7 +147,7 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
             mSwitchDiversity.getSwitch().toggle();
         });
 
-        if (accessibilityEnabled) {
+        if (mAccessibilityEnabled) {
             accessibilityButton.callOnClick();
         }
     }
@@ -194,9 +194,20 @@ public class FaceEnrollEducation extends BiometricEnrollBase {
         if (mResultIntent != null) {
             intent.putExtras(mResultIntent);
         }
-        mNextClicked = true;
+
         intent.putExtra(EXTRA_KEY_REQUIRE_DIVERSITY, !mSwitchDiversity.isChecked());
-        startActivityForResult(intent, BIOMETRIC_FIND_SENSOR_REQUEST);
+
+        if (!mSwitchDiversity.isChecked() && mAccessibilityEnabled) {
+            FaceEnrollAccessibilityDialog dialog = FaceEnrollAccessibilityDialog.newInstance();
+            dialog.setPositiveButtonListener((dialog1, which) -> {
+                startActivityForResult(intent, BIOMETRIC_FIND_SENSOR_REQUEST);
+                mNextClicked = true;
+            });
+            dialog.show(getSupportFragmentManager(), FaceEnrollAccessibilityDialog.class.getName());
+        } else {
+            startActivityForResult(intent, BIOMETRIC_FIND_SENSOR_REQUEST);
+            mNextClicked = true;
+        }
     }
 
     protected void onSkipButtonClick(View view) {