Add fade out/fade in animation in PS setup auto advancing screen

As per the UX requirement below changes are made in the screen:

- Position of "Setting up Pirvate Space" text is left aligned to layout
- Lading progress bar next to text removed
- Add fade out and fade in animation for header and image in auto
   advance screen

Bug: 310218201
Test: Manual
Change-Id: Iaf9c27761ce7f25368aac8f9a7d43eba20d66353

res/layout/privatespace_advancing_screen.xml

@@ -20,7 +20,6 @@
     android:id="@+id/privatesapce_autoadvance_screen"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    app:sucHeaderText="@string/privatespace_lock_protected_title"
     android:icon="@drawable/ic_privatespace_icon">
     <LinearLayout style="@style/SudContentFrame"
                   android:layout_width="match_parent"
@@ -34,26 +33,14 @@
             android:contentDescription="@null"
             android:src="@drawable/privatespace_setup_flow_placeholder"/>
 
-        <LinearLayout
-            android:id="@+id/setup_progress"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="bottom|right"
-            android:layout_margin="16dp"
-            android:orientation="horizontal">
-            <ProgressBar
-                android:id="@+id/progressBar_cyclic"
-                style="?android:attr/progressBarStyleSmall"
-                android:layout_width="20dp"
-                android:layout_height="20dp"
-                android:layout_gravity="center"/>
         <TextView
             android:id="@+id/createMessage"
             style="@style/PrivateSpaceSetupTextFontStyle"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
             android:textSize="14sp"
             android:text="@string/privatespace_setting_up_text"
-                android:layout_margin="8dp"/>
+            android:layout_marginBottom="24dp"/>
-        </LinearLayout>
 
     </LinearLayout>
 </com.google.android.setupdesign.GlifLayout>

res/values/strings.xml

@@ -1270,12 +1270,12 @@
     <string name="privatespace_apps_permission_text">Private Space apps won\u2019t appear in permission manager, privacy dashboard, and other settings when Private Space is locked</string>
     <!-- Text shown at the bottom in Private Space auto advancing  screens. [CHAR LIMIT=60] -->
     <string name="privatespace_setting_up_text">Setting up Private Space\u2026</string>
-    <!-- Title for Private Space setup in auto advancing screen informing private space is protected by a lock. [CHAR LIMIT=60] -->
-    <string name="privatespace_lock_protected_title">Private Space is protected by a lock</string>
     <!-- Title for Private Space setup in auto advancing screen informing private space is hidden when locked. [CHAR LIMIT=NONE] -->
     <string name="privatespace_apps_hidden_title">Usage info for Private Space apps is hidden when it\u2019s locked</string>
     <!-- Title for Private Space setup in auto advancing screen informing private space can be accessed from apps list. [CHAR LIMIT=60] -->
     <string name="privatespace_access_from_apps_title">Access Private Space from your apps list</string>
+    <!-- Title for Private Space setup in auto advancing screen informing some system apps are already installed in Private Space. [CHAR LIMIT=NONE] -->
+    <string name="privatespace_system_apps_installed_title">Some system apps are already installed in Private Space</string>
     <!-- Title for Private Space creation error screen. [CHAR LIMIT=60] -->
     <string name="privatespace_error_screen_title">Couldn\u2019t set up Private Space</string>
     <!-- Summary for the Private Space creation error screen. [CHAR LIMIT=60] -->

src/com/android/settings/privatespace/AutoAdvanceSetupFragment.java

@@ -19,6 +19,11 @@ package com.android.settings.privatespace;
 import static com.android.settings.privatespace.PrivateSpaceSetupActivity.ACCOUNT_LOGIN_ACTION;
 import static com.android.settings.privatespace.PrivateSpaceSetupActivity.EXTRA_ACTION_TYPE;
 
+import android.animation.Animator;
+import android.animation.AnimatorListenerAdapter;
+import android.animation.AnimatorSet;
+import android.animation.ObjectAnimator;
+import android.animation.ValueAnimator;
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.os.Bundle;
@@ -51,16 +56,17 @@ public class AutoAdvanceSetupFragment extends Fragment {
     private static final String TAG = "AutoAdvanceFragment";
     private static final String TITLE_INDEX = "title_index";
     private static final int DELAY_BETWEEN_SCREENS = 5000; // 5 seconds in millis
+    private static final int ANIMATION_DURATION_MILLIS = 500;
     private GlifLayout mRootView;
     private Handler mHandler;
     private int mScreenTitleIndex;
     private static final List<Pair<Integer, Integer>> HEADER_IMAGE_PAIRS =
             ImmutableList.of(
-                    new Pair(R.string.privatespace_lock_protected_title,
-                            R.drawable.privatespace_setup_flow_placeholder),
                     new Pair(R.string.privatespace_apps_hidden_title,
                             R.drawable.privatespace_setup_flow_placeholder),
                     new Pair(R.string.privatespace_access_from_apps_title,
+                            R.drawable.privatespace_setup_flow_placeholder),
+                    new Pair(R.string.privatespace_system_apps_installed_title,
                             R.drawable.privatespace_setup_flow_placeholder));
 
     private Runnable mUpdateScreenResources =
@@ -69,7 +75,7 @@ public class AutoAdvanceSetupFragment extends Fragment {
                 public void run() {
                     if (getActivity() != null) {
                         if (++mScreenTitleIndex < HEADER_IMAGE_PAIRS.size()) {
-                            updateHeaderAndImage();
+                            startFadeOutAnimation();
                             mHandler.postDelayed(mUpdateScreenResources, DELAY_BETWEEN_SCREENS);
                         } else {
                             PrivateSpaceMaintainer privateSpaceMaintainer = PrivateSpaceMaintainer
@@ -148,5 +154,32 @@ public class AutoAdvanceSetupFragment extends Fragment {
         mRootView.setHeaderText(HEADER_IMAGE_PAIRS.get(mScreenTitleIndex).first);
         ((ImageView) mRootView.findViewById(R.id.placeholder_image))
                 .setImageResource(HEADER_IMAGE_PAIRS.get(mScreenTitleIndex).second);
+        startFadeInAnimation();
+    }
+
+    private  void startFadeInAnimation() {
+        ValueAnimator textView =  ObjectAnimator.ofFloat(
+                mRootView.getHeaderTextView(), View.ALPHA, 0f, 1f);
+        ValueAnimator imageView = ObjectAnimator.ofFloat(
+                mRootView.findViewById(R.id.placeholder_image), View.ALPHA, 0, 1f);
+        AnimatorSet fadeIn = new AnimatorSet();
+        fadeIn.playTogether(textView, imageView);
+        fadeIn.setDuration(ANIMATION_DURATION_MILLIS).start();
+    }
+
+    private void startFadeOutAnimation() {
+        AnimatorSet fadeOut = new AnimatorSet();
+        ValueAnimator textView =  ObjectAnimator.ofFloat(
+                mRootView.getHeaderTextView(), View.ALPHA, 1f, 0f);
+        ValueAnimator imageView = ObjectAnimator.ofFloat(
+                mRootView.findViewById(R.id.placeholder_image), View.ALPHA, 1f, 0f);
+        fadeOut.playTogether(textView, imageView);
+        fadeOut.setDuration(ANIMATION_DURATION_MILLIS).start();
+        fadeOut.addListener(new AnimatorListenerAdapter() {
+            @Override
+            public void onAnimationEnd(Animator animation) {
+                updateHeaderAndImage();
+            }
+        });
     }
 }