Add panic gesture settings page.

Ui is not final, the strings and video are placeholder only.

Bug: 161394591
Test: robotests
Change-Id: I8ada396506363e4711a1544e2c7ba1cd0e5d2dda

res/values/config.xml

@@ -462,4 +462,7 @@
 
     <!-- Whether to show Smooth Display feature in Settings Options -->
     <bool name="config_show_smooth_display">false</bool>
+
+    <!-- Whether to show panic button gesture in Settings -->
+    <bool name="config_show_emergency_sos_gesture_settings">true</bool>
 </resources>

res/values/strings.xml

@@ -10949,6 +10949,12 @@
     <!-- Summary text for ambient display tap [CHAR LIMIT=NONE]-->
     <string name="ambient_display_tap_screen_summary">To check time, notifications, and other info, tap your screen.</string>
 
+    <!-- Preference title to enable feature for calling emergency services at panic/distress moments[CHAR_LIMIT=60]-->
+    <string name="emergency_sos_gesture_screen_title">Panic button</string>
+
+    <!-- Preference summary to enable feature for calling emergency services at panic/distress moments[CHAR_LIMIT=NONE]-->
+    <string name="emergency_sos_gesture_screen_summary">Start the emergency SOS actions by pressing the power button quickly 5 times.</string>
+
     <!-- Title text for swiping downwards on fingerprint sensor for notifications [CHAR LIMIT=80]-->
     <string name="fingerprint_swipe_for_notifications_title">Swipe fingerprint for notifications</string>
     <!-- Title text for fingerprint gesture preference screen [CHAR LIMIT=25] -->

res/xml/emergency_sos_gesture_settings.xml

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ 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
+  -->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:title="@string/emergency_sos_gesture_screen_title">
+
+    <com.android.settings.widget.VideoPreference
+        android:key="gesture_emergency_sos_button_screen_video"
+        app:animation="@raw/gesture_double_tap"
+        app:preview="@drawable/gesture_double_tap" />
+
+    <SwitchPreference
+        android:key="gesture_emergency_sos_button"
+        android:title="@string/emergency_sos_gesture_screen_title"
+        android:summary="@string/emergency_sos_gesture_screen_summary"
+        app:keywords="@string/keywords_gesture"
+        app:controller="com.android.settings.gestures.EmergencySosGesturePreferenceController"
+        app:allowDividerAbove="true" />
+
+</PreferenceScreen>

res/xml/gestures.xml

@@ -20,6 +20,12 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/gesture_preference_title">
 
+    <Preference
+        android:key="emergency_sos_button_summary"
+        android:title="@string/emergency_sos_gesture_screen_title"
+        android:fragment="com.android.settings.gestures.EmergencySosGestureSettings"
+        settings:controller="com.android.settings.gestures.EmergencySosGesturePreferenceController" />
+
     <Preference
         android:key="gesture_assist_input_summary"
         android:title="@string/assist_gesture_title"

src/com/android/settings/gestures/DoubleTapScreenPreferenceController.java

@@ -35,7 +35,7 @@ public class DoubleTapScreenPreferenceController extends GesturePreferenceContro
 
     private static final String PREF_KEY_VIDEO = "gesture_double_tap_screen_video";
 
-    private final String SECURE_KEY = DOZE_DOUBLE_TAP_GESTURE;
+    private static final String SECURE_KEY = DOZE_DOUBLE_TAP_GESTURE;
 
     private AmbientDisplayConfiguration mAmbientConfig;
     @UserIdInt

src/com/android/settings/gestures/EmergencySosGesturePreferenceController.java

@@ -0,0 +1,75 @@
+/*
+ * 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.gestures;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.text.TextUtils;
+
+import androidx.annotation.VisibleForTesting;
+
+import com.android.settings.R;
+
+/**
+ * Preference controller for emergency sos gesture setting
+ */
+public class EmergencySosGesturePreferenceController extends GesturePreferenceController {
+
+    @VisibleForTesting
+    static final int ON = 1;
+    @VisibleForTesting
+    static final int OFF = 0;
+
+    private static final String PREF_KEY_VIDEO = "gesture_emergency_sos_button_screen_video";
+
+    private static final String SECURE_KEY = Settings.Secure.PANIC_GESTURE_ENABLED;
+
+    public EmergencySosGesturePreferenceController(Context context, String key) {
+        super(context, key);
+    }
+
+    private static boolean isGestureAvailable(Context context) {
+        return context.getResources()
+                .getBoolean(R.bool.config_show_emergency_sos_gesture_settings);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return isGestureAvailable(mContext) ? AVAILABLE : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean isSliceable() {
+        return TextUtils.equals(getPreferenceKey(), "gesture_emergency_sos_button");
+    }
+
+    @Override
+    protected String getVideoPrefKey() {
+        return PREF_KEY_VIDEO;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return Settings.Secure.getInt(mContext.getContentResolver(), SECURE_KEY, OFF) == ON;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        return Settings.Secure.putInt(mContext.getContentResolver(), SECURE_KEY,
+                isChecked ? ON : OFF);
+    }
+}

src/com/android/settings/gestures/EmergencySosGestureSettings.java

@@ -0,0 +1,51 @@
+/*
+ * 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.gestures;
+
+import android.app.settings.SettingsEnums;
+
+import com.android.settings.R;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
+
+/**
+ * Settings page for emergency sos gesture
+ */
+@SearchIndexable
+public class EmergencySosGestureSettings extends DashboardFragment {
+
+    private static final String TAG = "PanicGestureSettings";
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.emergency_sos_gesture_settings;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return SettingsEnums.EMERGENCY_SOS_GESTURE_SETTINGS;
+    }
+
+    public static final BaseSearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider(R.xml.emergency_sos_gesture_settings);
+}

tests/robotests/src/com/android/settings/gestures/EmergencySosGesturePreferenceControllerTest.java

@@ -0,0 +1,112 @@
+/*
+ * 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.gestures;
+
+import static com.android.settings.gestures.EmergencySosGesturePreferenceController.OFF;
+import static com.android.settings.gestures.EmergencySosGesturePreferenceController.ON;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.ContentResolver;
+import android.content.Context;
+import android.provider.Settings;
+
+import androidx.test.core.app.ApplicationProvider;
+
+import com.android.settings.R;
+import com.android.settings.testutils.shadow.SettingsShadowResources;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.annotation.Config;
+
+@RunWith(RobolectricTestRunner.class)
+@Config(shadows = SettingsShadowResources.class)
+public class EmergencySosGesturePreferenceControllerTest {
+
+
+    private Context mContext;
+    private ContentResolver mContentResolver;
+    private EmergencySosGesturePreferenceController mController;
+    private static final String PREF_KEY = "gesture_emergency_sos_button";
+
+    @Before
+    public void setUp() {
+        mContext = ApplicationProvider.getApplicationContext();
+        mContentResolver = mContext.getContentResolver();
+        mController = new EmergencySosGesturePreferenceController(mContext, PREF_KEY);
+    }
+
+    @After
+    public void tearDown() {
+        SettingsShadowResources.reset();
+    }
+
+    @Test
+    public void isAvailable_configIsTrue_shouldReturnTrue() {
+        SettingsShadowResources.overrideResource(
+                R.bool.config_show_emergency_sos_gesture_settings,
+                Boolean.TRUE);
+
+        assertThat(mController.isAvailable()).isTrue();
+    }
+
+    @Test
+    public void isAvailable_configIsTrue_shouldReturnFalse() {
+        SettingsShadowResources.overrideResource(
+                R.bool.config_show_emergency_sos_gesture_settings,
+                Boolean.FALSE);
+
+        assertThat(mController.isAvailable()).isFalse();
+    }
+
+    @Test
+    public void isChecked_configIsNotSet_shouldReturnTrue() {
+        // Set the setting to be enabled.
+        Settings.Secure.putInt(mContentResolver, Settings.Secure.PANIC_GESTURE_ENABLED, ON);
+        mController = new EmergencySosGesturePreferenceController(mContext, PREF_KEY);
+
+        assertThat(mController.isChecked()).isTrue();
+    }
+
+    @Test
+    public void isChecked_configIsSet_shouldReturnFalse() {
+        // Set the setting to be disabled.
+        Settings.Secure.putInt(mContentResolver, Settings.Secure.PANIC_GESTURE_ENABLED, OFF);
+        mController = new EmergencySosGesturePreferenceController(mContext, PREF_KEY);
+
+        assertThat(mController.isChecked()).isFalse();
+    }
+
+    @Test
+    public void isSliceableCorrectKey_returnsTrue() {
+        final EmergencySosGesturePreferenceController controller =
+                new EmergencySosGesturePreferenceController(mContext, PREF_KEY);
+        assertThat(controller.isSliceable()).isTrue();
+    }
+
+    @Test
+    public void isSliceableIncorrectKey_returnsFalse() {
+        final DoubleTapPowerPreferenceController controller =
+                new DoubleTapPowerPreferenceController(mContext, "bad_key");
+        assertThat(controller.isSliceable()).isFalse();
+    }
+
+}