Add skip button to fingerprint enrolling screen

Test: Manual
Bug: 62839648
Change-Id: I3f05c64eb5b88cd91c8c98b02845a99df2d27203

res/layout-land/fingerprint_enroll_enrolling.xml

@@ -49,6 +49,7 @@
                 style="@style/SuwGlifIcon"
                 android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
+                android:layout_gravity="?attr/suwGlifHeaderGravity"
                 android:layout_marginStart="0dp"
                 android:layout_marginEnd="0dp"
                 android:src="@drawable/ic_fingerprint_header" />
@@ -82,6 +83,18 @@
 
             </FrameLayout>
 
+            <Space
+                android:layout_width="0dp"
+                android:layout_height="0dp"
+                android:layout_weight="1" />
+
+            <Button
+                android:id="@+id/skip_button"
+                style="@style/SuwGlifButton.Secondary"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/skip_label" />
+
         </LinearLayout>
 
         <FrameLayout

res/layout/fingerprint_enroll_enrolling_base.xml

@@ -17,10 +17,12 @@
 
 <com.android.setupwizardlib.GlifLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/setup_wizard_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    style="?attr/fingerprint_layout_theme">
+    style="?attr/fingerprint_layout_theme"
+    app:suwFooter="@layout/fingerprint_enroll_enrolling_base_footer">
 
     <LinearLayout
         style="@style/SuwContentFrame"
@@ -58,8 +60,7 @@
         <FrameLayout
             android:layout_width="match_parent"
             android:layout_height="0dp"
-            android:layout_weight="1"
-            android:paddingBottom="80dp">
+            android:layout_weight="1">
 
             <include layout="@layout/fingerprint_enroll_enrolling_content"
                 android:layout_width="@dimen/fingerprint_progress_bar_max_size"

res/layout/fingerprint_enroll_enrolling_base_footer.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+    Copyright (C) 2017 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.
+-->
+
+<!-- TODO: Use aapt:attr when it is fixed (b/36809755) -->
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    style="@style/SuwGlifButtonBar"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content">
+
+    <Button
+        style="@style/SuwGlifButton.Secondary"
+        android:id="@+id/skip_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="@string/skip_label" />
+
+</LinearLayout>

src/com/android/settings/fingerprint/FingerprintEnrollEnrolling.java

@@ -36,6 +36,7 @@ import android.view.MotionEvent;
 import android.view.View;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
+import android.widget.Button;
 import android.widget.ProgressBar;
 import android.widget.TextView;
 
@@ -98,6 +99,10 @@ public class FingerprintEnrollEnrolling extends FingerprintEnrollBase
         mRepeatMessage = (TextView) findViewById(R.id.repeat_message);
         mErrorText = (TextView) findViewById(R.id.error_text);
         mProgressBar = (ProgressBar) findViewById(R.id.fingerprint_progress_bar);
+
+        Button skipButton = findViewById(R.id.skip_button);
+        skipButton.setOnClickListener(this);
+
         final LayerDrawable fingerprintDrawable = (LayerDrawable) mProgressBar.getBackground();
         mIconAnimationDrawable = (AnimatedVectorDrawable)
                 fingerprintDrawable.findDrawableByLayerId(R.id.fingerprint_animation);
@@ -211,6 +216,18 @@ public class FingerprintEnrollEnrolling extends FingerprintEnrollBase
         super.onBackPressed();
     }
 
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.skip_button:
+                setResult(RESULT_SKIP);
+                finish();
+                break;
+            default:
+                super.onClick(v);
+        }
+    }
+
     private void animateProgress(int progress) {
         if (mProgressAnim != null) {
             mProgressAnim.cancel();