AllSet page fixes

> Updating background color
> Updating activity theme to not be transparent
> Updating default accent color
> Adding an accessible target to exit

Bug: 190447132
Bug: 190136972
Bug: 190454597
Test: Manual
Change-Id: Ia8ef67ed429c062a8d1109d7f444343ec4ca09cf
diff --git a/quickstep/AndroidManifest.xml b/quickstep/AndroidManifest.xml
index bf9059f..483ddc1 100644
--- a/quickstep/AndroidManifest.xml
+++ b/quickstep/AndroidManifest.xml
@@ -130,6 +130,8 @@
             android:excludeFromRecents="true"
             android:screenOrientation="portrait"
             android:permission="android.permission.REBOOT"
+            android:theme="@style/AllSetTheme"
+            android:label="@string/allset_title"
             android:exported="true">
             <intent-filter>
                 <action android:name="com.android.quickstep.action.GESTURE_ONBOARDING_ALL_SET"/>
diff --git a/quickstep/res/layout/activity_allset.xml b/quickstep/res/layout/activity_allset.xml
index a6a17e5..e79e57e 100644
--- a/quickstep/res/layout/activity_allset.xml
+++ b/quickstep/res/layout/activity_allset.xml
@@ -20,8 +20,7 @@
     android:paddingStart="@dimen/allset_page_margin_horizontal"
     android:paddingEnd="@dimen/allset_page_margin_horizontal"
     android:layoutDirection="locale"
-    android:textDirection="locale"
-    android:background="?android:attr/colorBackground">
+    android:textDirection="locale">
 
     <LinearLayout
         android:layout_width="match_parent"
@@ -59,13 +58,15 @@
 
     <TextView
         android:id="@+id/navigation_settings"
-        style="@style/TextAppearance.GestureTutorial.Feedback.Subtitle"
-        android:textSize="14sp"
+        style="@style/TextAppearance.GestureTutorial.LinkText"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_above="@+id/hint"
-        android:gravity="center_horizontal"
-        android:layout_marginBottom="72dp"/>
+        android:gravity="center"
+        android:layout_marginBottom="72dp"
+        android:minHeight="48dp"
+        android:background="?android:attr/selectableItemBackground"
+        android:text="@string/allset_navigation_settings" />
 
     <TextView
         android:id="@id/hint"
diff --git a/quickstep/res/values-night/styles.xml b/quickstep/res/values-night/styles.xml
new file mode 100644
index 0000000..1bd3f5d
--- /dev/null
+++ b/quickstep/res/values-night/styles.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+     Copyright (C) 2021 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.
+-->
+<resources>
+
+    <style name="AllSetTheme" parent="@android:style/Theme.DeviceDefault.NoActionBar">
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+        <item name="android:windowLightStatusBar">false</item>
+        <item name="android:windowBackground">#FF000000</item>
+    </style>
+
+</resources>
\ No newline at end of file
diff --git a/quickstep/res/values/styles.xml b/quickstep/res/values/styles.xml
index cfca124..ca1e8c8 100644
--- a/quickstep/res/values/styles.xml
+++ b/quickstep/res/values/styles.xml
@@ -110,6 +110,14 @@
         <item name="android:textSize">14sp</item>
     </style>
 
+    <style name="AllSetTheme" parent="@android:style/Theme.DeviceDefault.Light.NoActionBar">
+        <item name="android:navigationBarColor">@android:color/transparent</item>
+        <item name="android:statusBarColor">@android:color/transparent</item>
+        <item name="android:enforceNavigationBarContrast">false</item>
+        <item name="android:windowLightStatusBar">true</item>
+        <item name="android:windowBackground">#FFFFFFFF</item>
+    </style>
+
     <!--
       Can be applied to views to color things like ripples and list highlights the workspace text
       color.
diff --git a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
index 6f681b3..4472bdc 100644
--- a/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
+++ b/quickstep/src/com/android/quickstep/interaction/AllSetActivity.java
@@ -16,23 +16,22 @@
 package com.android.quickstep.interaction;
 
 import android.app.Activity;
-import android.content.Context;
 import android.content.Intent;
 import android.content.res.Configuration;
-import android.content.res.TypedArray;
 import android.graphics.Color;
-import android.graphics.Typeface;
 import android.os.Bundle;
-import android.text.TextPaint;
-import android.text.method.LinkMovementMethod;
 import android.util.Log;
 import android.view.View;
+import android.view.View.AccessibilityDelegate;
+import android.view.accessibility.AccessibilityNodeInfo;
+import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;
 import android.widget.ImageView;
 import android.widget.TextView;
 
 import androidx.annotation.Nullable;
 
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 
 import java.net.URISyntaxException;
 
@@ -48,86 +47,56 @@
     private static final String EXTRA_ACCENT_COLOR_DARK_MODE = "suwColorAccentDark";
     private static final String EXTRA_ACCENT_COLOR_LIGHT_MODE = "suwColorAccentLight";
 
-    private int mAccentColor;
-
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_allset);
-        setTitle(R.string.allset_title);
 
-        final int mode =
-                getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
-        mAccentColor = getIntent().getIntExtra(
-                mode == Configuration.UI_MODE_NIGHT_YES
-                        ? EXTRA_ACCENT_COLOR_DARK_MODE : EXTRA_ACCENT_COLOR_LIGHT_MODE,
-                /* defValue= */ Color.BLACK);
+        int mode = getResources().getConfiguration().uiMode & Configuration.UI_MODE_NIGHT_MASK;
+        boolean isDarkTheme = mode == Configuration.UI_MODE_NIGHT_YES;
+        int accentColor = getIntent().getIntExtra(
+                isDarkTheme ? EXTRA_ACCENT_COLOR_DARK_MODE : EXTRA_ACCENT_COLOR_LIGHT_MODE,
+                isDarkTheme ? Color.WHITE : Color.BLACK);
 
-        ((ImageView) findViewById(R.id.icon)).getDrawable().mutate().setTint(mAccentColor);
+        ((ImageView) findViewById(R.id.icon)).getDrawable().mutate().setTint(accentColor);
 
-        TextView navigationSettings = findViewById(R.id.navigation_settings);
-        navigationSettings.setMovementMethod(LinkMovementMethod.getInstance());
-        AnnotationSpan.LinkInfo linkInfo = new AnnotationSpan.LinkInfo(
-                AnnotationSpan.LinkInfo.DEFAULT_ANNOTATION,
-                new AllSetLinkSpan(
-                        /* context= */ this,
-                        view -> {
-                            try {
-                                startActivityForResult(
-                                        Intent.parseUri(URI_SYSTEM_NAVIGATION_SETTING, 0), 0);
-                            } catch (URISyntaxException e) {
-                                Log.e(LOG_TAG, "Failed to parse system nav settings intent", e);
-                            }
-                            finish();
-                        }));
-        navigationSettings.setText(
-                AnnotationSpan.linkify(getText(R.string.allset_navigation_settings), linkInfo));
+        TextView tv = findViewById(R.id.navigation_settings);
+        tv.setTextColor(accentColor);
+        tv.setOnClickListener(v -> {
+            try {
+                startActivityForResult(
+                        Intent.parseUri(URI_SYSTEM_NAVIGATION_SETTING, 0), 0);
+            } catch (URISyntaxException e) {
+                Log.e(LOG_TAG, "Failed to parse system nav settings intent", e);
+            }
+            finish();
+        });
+
+        findViewById(R.id.hint).setAccessibilityDelegate(new SkipButtonAccessibilityDelegate());
     }
 
-    @Override
-    public void onWindowFocusChanged(boolean hasFocus) {
-        super.onWindowFocusChanged(hasFocus);
-        if (hasFocus) {
-            hideSystemUI();
-        }
-    }
+    /**
+     * Accessibility delegate which exposes a click event without making the view
+     * clickable in touch mode
+     */
+    private class SkipButtonAccessibilityDelegate extends AccessibilityDelegate {
 
-    private void hideSystemUI() {
-        getWindow().getDecorView().setSystemUiVisibility(
-                View.SYSTEM_UI_FLAG_LAYOUT_STABLE
-                        | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
-                        | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
-                        | View.SYSTEM_UI_FLAG_FULLSCREEN);
-        getWindow().setNavigationBarColor(Color.TRANSPARENT);
-    }
-
-    private final class AllSetLinkSpan extends AnnotationSpan {
-
-        private final String mFontFamily;
-        private final int mTextSize;
-
-        AllSetLinkSpan(Context context, View.OnClickListener listener) {
-            super(listener);
-            TypedArray typedArray =
-                    context.obtainStyledAttributes(R.style.TextAppearance_GestureTutorial_LinkText,
-                            R.styleable.AllSetLinkSpan);
-            mFontFamily = typedArray.getString(R.styleable.AllSetLinkSpan_android_fontFamily);
-            mTextSize =
-                    typedArray.getDimensionPixelSize(
-                            R.styleable.AllSetLinkSpan_android_textSize, /* defValue= */ -1);
-            typedArray.recycle();
+        @Override
+        public AccessibilityNodeInfo createAccessibilityNodeInfo(View host) {
+            AccessibilityNodeInfo info = super.createAccessibilityNodeInfo(host);
+            info.addAction(AccessibilityAction.ACTION_CLICK);
+            info.setClickable(true);
+            return info;
         }
 
         @Override
-        public void updateDrawState(TextPaint ds) {
-            super.updateDrawState(ds);
-            ds.setColor(mAccentColor);
-            ds.setTypeface(Typeface.create(mFontFamily, Typeface.NORMAL));
-            ds.setUnderlineText(false);
-            if (mTextSize != -1) {
-                ds.setTextSize(mTextSize);
+        public boolean performAccessibilityAction(View host, int action, Bundle args) {
+            if (action == AccessibilityAction.ACTION_CLICK.getId()) {
+                startActivity(Utilities.createHomeIntent());
+                finish();
+                return true;
             }
+            return super.performAccessibilityAction(host, action, args);
         }
     }
-
 }
diff --git a/quickstep/src/com/android/quickstep/interaction/AnnotationSpan.java b/quickstep/src/com/android/quickstep/interaction/AnnotationSpan.java
deleted file mode 100644
index fea5078..0000000
--- a/quickstep/src/com/android/quickstep/interaction/AnnotationSpan.java
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * Copyright (C) 2018 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.quickstep.interaction;
-
-import android.content.ActivityNotFoundException;
-import android.content.Context;
-import android.content.Intent;
-import android.text.Annotation;
-import android.text.SpannableString;
-import android.text.SpannableStringBuilder;
-import android.text.style.URLSpan;
-import android.util.Log;
-import android.view.View;
-
-import java.util.Arrays;
-import java.util.Comparator;
-
-/**
- * This class is used to add {@link View.OnClickListener} for the text been wrapped by
- * annotation.
- *
- * Copied from packages/apps/Settings/src/com/android/settings/utils/AnnotationSpan.java.
- */
-public class AnnotationSpan extends URLSpan {
-
-    private final View.OnClickListener mClickListener;
-
-    AnnotationSpan(View.OnClickListener lsn) {
-        super((String) null);
-        mClickListener = lsn;
-    }
-
-    @Override
-    public void onClick(View widget) {
-        if (mClickListener != null) {
-            mClickListener.onClick(widget);
-        }
-    }
-
-    public static CharSequence linkify(CharSequence rawText, LinkInfo... linkInfos) {
-        SpannableString msg = new SpannableString(rawText);
-        Annotation[] spans = msg.getSpans(0, msg.length(), Annotation.class);
-        SpannableStringBuilder builder = new SpannableStringBuilder(msg);
-        for (Annotation annotation : spans) {
-            final String key = annotation.getValue();
-            int start = msg.getSpanStart(annotation);
-            int end = msg.getSpanEnd(annotation);
-            AnnotationSpan link = null;
-            for (LinkInfo linkInfo : linkInfos) {
-                if (linkInfo.mAnnotation.equals(key)) {
-                    link = linkInfo.mCustomizedSpan != null ? linkInfo.mCustomizedSpan
-                            : new AnnotationSpan(linkInfo.mClickListener);
-                    break;
-                }
-            }
-            if (link != null) {
-                builder.setSpan(link, start, end, msg.getSpanFlags(link));
-            }
-        }
-        return builder;
-    }
-
-    /**
-     * get the text part without having text for link part
-     */
-    public static CharSequence textWithoutLink(CharSequence encodedText) {
-        SpannableString msg = new SpannableString(encodedText);
-        Annotation[] spans = msg.getSpans(0, msg.length(), Annotation.class);
-        if (spans == null) {
-            return encodedText;
-        }
-        Arrays.sort(spans, Comparator.comparingInt(span -> -msg.getSpanStart(span)));
-        StringBuilder msgWithoutLink = new StringBuilder(msg.toString());
-        for (Annotation span : spans) {
-            msgWithoutLink.delete(msg.getSpanStart(span), msg.getSpanEnd(span));
-        }
-        return msgWithoutLink.toString();
-    }
-
-    /** Data class to store the annotation and the click action. */
-    public static class LinkInfo {
-        public static final String DEFAULT_ANNOTATION = "link";
-        private static final String TAG = "AnnotationSpan.LinkInfo";
-        private final String mAnnotation;
-        private final Boolean mActionable;
-        private final View.OnClickListener mClickListener;
-        private final AnnotationSpan mCustomizedSpan;
-
-        public LinkInfo(String annotation, View.OnClickListener listener) {
-            mAnnotation = annotation;
-            mClickListener = listener;
-            mActionable = true; // assume actionable
-            mCustomizedSpan = null;
-        }
-
-        public LinkInfo(String annotation, AnnotationSpan customizedSpan) {
-            mAnnotation = annotation;
-            mClickListener = null;
-            mActionable = customizedSpan != null;
-            mCustomizedSpan = customizedSpan;
-        }
-
-        public LinkInfo(Context context, String annotation, Intent intent) {
-            mAnnotation = annotation;
-            mCustomizedSpan = null;
-            if (intent != null) {
-                mActionable = context.getPackageManager().resolveActivity(intent, 0) != null;
-            } else {
-                mActionable = false;
-            }
-            if (mActionable) {
-                mClickListener =
-                        view -> {
-                            try {
-                                context.startActivity(intent);
-                            } catch (ActivityNotFoundException e) {
-                                Log.w(TAG, "Activity was not found for intent, " + intent);
-                            }
-                        };
-            } else {
-                mClickListener = null;
-            }
-        }
-
-        public boolean isActionable() {
-            return mActionable;
-        }
-    }
-}