2/n: Refactor common code from FingerprintDialogView

Bug: 111461540

Test: BiometricPromptDemo works
Change-Id: I7077b062f1da0e084a38d5d53248123a82456a48
diff --git a/packages/SystemUI/res/drawable/fingerprint_dialog_bg.xml b/packages/SystemUI/res/drawable/fingerprint_dialog_bg.xml
index 221f170..335448d 100644
--- a/packages/SystemUI/res/drawable/fingerprint_dialog_bg.xml
+++ b/packages/SystemUI/res/drawable/fingerprint_dialog_bg.xml
@@ -17,10 +17,10 @@
   -->
 
 <shape xmlns:android="http://schemas.android.com/apk/res/android">
-    <solid android:color="@color/fingerprint_dialog_bg_color" />
+    <solid android:color="@color/biometric_dialog_bg_color" />
     <corners android:radius="1dp"
-        android:topLeftRadius="@dimen/fingerprint_dialog_corner_size"
-        android:topRightRadius="@dimen/fingerprint_dialog_corner_size"
+        android:topLeftRadius="@dimen/biometric_dialog_corner_size"
+        android:topRightRadius="@dimen/biometric_dialog_corner_size"
         android:bottomLeftRadius="0dp"
         android:bottomRightRadius="0dp"/>
 </shape>
\ No newline at end of file
diff --git a/packages/SystemUI/res/drawable/fingerprint_dialog_error_to_fp.xml b/packages/SystemUI/res/drawable/fingerprint_dialog_error_to_fp.xml
index 83c1949..05fd467 100644
--- a/packages/SystemUI/res/drawable/fingerprint_dialog_error_to_fp.xml
+++ b/packages/SystemUI/res/drawable/fingerprint_dialog_error_to_fp.xml
@@ -36,7 +36,7 @@
                         android:name="_R_G_L_2_G_D_0_P_0"
                         android:pathData=" M-25.36 -24.41 C-25.93,-24.31 -26.49,-24.27 -26.81,-24.27 C-28.11,-24.27 -29.35,-24.62 -30.43,-25.4 C-32.11,-26.6 -33.2,-28.57 -33.2,-30.79 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -47,7 +47,7 @@
                         android:name="_R_G_L_2_G_D_1_P_0"
                         android:pathData=" M-36.14 -21.78 C-37.15,-22.98 -37.72,-23.7 -38.51,-25.29 C-39.33,-26.94 -39.82,-28.78 -39.82,-30.77 C-39.82,-34.43 -36.85,-37.4 -33.19,-37.4 C-29.52,-37.4 -26.55,-34.43 -26.55,-30.77 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -58,7 +58,7 @@
                         android:name="_R_G_L_2_G_D_2_P_0"
                         android:pathData=" M-42.19 -25.68 C-42.95,-27.82 -43.09,-29.54 -43.09,-30.8 C-43.09,-32.27 -42.84,-33.65 -42.27,-34.9 C-40.71,-38.35 -37.24,-40.75 -33.2,-40.75 C-27.71,-40.75 -23.26,-36.3 -23.26,-30.8 C-23.26,-28.97 -24.74,-27.49 -26.57,-27.49 C-28.4,-27.49 -29.89,-28.97 -29.89,-30.8 C-29.89,-32.64 -31.37,-34.12 -33.2,-34.12 C-35.04,-34.12 -36.52,-32.64 -36.52,-30.8 C-36.52,-28.23 -35.53,-25.92 -33.92,-24.22 C-32.69,-22.93 -31.48,-22.12 -29.44,-21.53 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -69,7 +69,7 @@
                         android:name="_R_G_L_2_G_D_3_P_0"
                         android:pathData=" M-44.06 -38.17 C-42.87,-39.94 -41.39,-41.41 -39.51,-42.44 C-37.62,-43.47 -35.46,-44.05 -33.16,-44.05 C-30.88,-44.05 -28.72,-43.47 -26.85,-42.45 C-24.97,-41.43 -23.48,-39.97 -22.29,-38.21 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -80,7 +80,7 @@
                         android:name="_R_G_L_2_G_D_4_P_0"
                         android:pathData=" M-25.72 -45.45 C-27.99,-46.76 -30.43,-47.52 -33.28,-47.52 C-36.13,-47.52 -38.51,-46.74 -40.62,-45.45 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -97,7 +97,7 @@
                         android:name="_R_G_L_1_G_D_0_P_0"
                         android:pathData=" M0 -9 C4.97,-9 9,-4.97 9,0 C9,4.97 4.97,9 0,9 C-4.97,9 -9,4.97 -9,0 C-9,-4.97 -4.97,-9 0,-9c "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="2"
@@ -118,7 +118,7 @@
                         <path
                             android:name="_R_G_L_0_G_D_0_P_0"
                             android:fillAlpha="1"
-                            android:fillColor="@color/fingerprint_dialog_error_color"
+                            android:fillColor="@color/biometric_dialog_error_color"
                             android:fillType="nonZero"
                             android:pathData=" M1.1 3.94 C1.1,4.55 0.61,5.04 0,5.04 C-0.61,5.04 -1.1,4.55 -1.1,3.94 C-1.1,3.33 -0.61,2.84 0,2.84 C0.61,2.84 1.1,3.33 1.1,3.94c " />
                     </group>
@@ -131,7 +131,7 @@
                         <path
                             android:name="_R_G_L_0_G_D_0_P_1"
                             android:fillAlpha="1"
-                            android:fillColor="@color/fingerprint_dialog_error_color"
+                            android:fillColor="@color/biometric_dialog_error_color"
                             android:fillType="nonZero"
                             android:pathData=" M1 -4.06 C1,-4.06 1,-0.06 1,-0.06 C1,0.49 0.55,0.94 0,0.94 C-0.55,0.94 -1,0.49 -1,-0.06 C-1,-0.06 -1,-4.06 -1,-4.06 C-1,-4.61 -0.55,-5.06 0,-5.06 C0.55,-5.06 1,-4.61 1,-4.06c " />
                     </group>
diff --git a/packages/SystemUI/res/drawable/fingerprint_dialog_fp_to_error.xml b/packages/SystemUI/res/drawable/fingerprint_dialog_fp_to_error.xml
index f682f87..fd0ab22 100644
--- a/packages/SystemUI/res/drawable/fingerprint_dialog_fp_to_error.xml
+++ b/packages/SystemUI/res/drawable/fingerprint_dialog_fp_to_error.xml
@@ -36,7 +36,7 @@
                         android:name="_R_G_L_3_G_D_0_P_0"
                         android:pathData=" M-25.36 -24.41 C-25.93,-24.31 -26.49,-24.27 -26.81,-24.27 C-28.11,-24.27 -29.35,-24.62 -30.43,-25.4 C-32.11,-26.6 -33.2,-28.57 -33.2,-30.79 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -47,7 +47,7 @@
                         android:name="_R_G_L_3_G_D_1_P_0"
                         android:pathData=" M-36.14 -21.78 C-37.15,-22.98 -37.72,-23.7 -38.51,-25.29 C-39.33,-26.94 -39.82,-28.78 -39.82,-30.77 C-39.82,-34.43 -36.85,-37.4 -33.19,-37.4 C-29.52,-37.4 -26.55,-34.43 -26.55,-30.77 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -58,7 +58,7 @@
                         android:name="_R_G_L_3_G_D_2_P_0"
                         android:pathData=" M-42.19 -25.68 C-42.95,-27.82 -43.09,-29.54 -43.09,-30.8 C-43.09,-32.27 -42.84,-33.65 -42.27,-34.9 C-40.71,-38.35 -37.24,-40.75 -33.2,-40.75 C-27.71,-40.75 -23.26,-36.3 -23.26,-30.8 C-23.26,-28.97 -24.74,-27.49 -26.57,-27.49 C-28.4,-27.49 -29.89,-28.97 -29.89,-30.8 C-29.89,-32.64 -31.37,-34.12 -33.2,-34.12 C-35.04,-34.12 -36.52,-32.64 -36.52,-30.8 C-36.52,-28.23 -35.53,-25.92 -33.92,-24.22 C-32.69,-22.93 -31.48,-22.12 -29.44,-21.53 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -69,7 +69,7 @@
                         android:name="_R_G_L_3_G_D_3_P_0"
                         android:pathData=" M-44.06 -38.17 C-42.87,-39.94 -41.39,-41.41 -39.51,-42.44 C-37.62,-43.47 -35.46,-44.05 -33.16,-44.05 C-30.88,-44.05 -28.72,-43.47 -26.85,-42.45 C-24.97,-41.43 -23.48,-39.97 -22.29,-38.21 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -80,7 +80,7 @@
                         android:name="_R_G_L_3_G_D_4_P_0"
                         android:pathData=" M-25.72 -45.45 C-27.99,-46.76 -30.43,-47.52 -33.28,-47.52 C-36.13,-47.52 -38.51,-46.74 -40.62,-45.45 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_fingerprint_color"
+                        android:strokeColor="@color/biometric_dialog_biometric_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -101,7 +101,7 @@
                         android:name="_R_G_L_2_G_D_0_P_0"
                         android:pathData=" M-25.36 -24.41 C-25.93,-24.31 -26.49,-24.27 -26.81,-24.27 C-28.11,-24.27 -29.35,-24.62 -30.43,-25.4 C-32.11,-26.6 -33.2,-28.57 -33.2,-30.79 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -112,7 +112,7 @@
                         android:name="_R_G_L_2_G_D_1_P_0"
                         android:pathData=" M-36.14 -21.78 C-37.15,-22.98 -37.72,-23.7 -38.51,-25.29 C-39.33,-26.94 -39.82,-28.78 -39.82,-30.77 C-39.82,-34.43 -36.85,-37.4 -33.19,-37.4 C-29.52,-37.4 -26.55,-34.43 -26.55,-30.77 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -123,7 +123,7 @@
                         android:name="_R_G_L_2_G_D_2_P_0"
                         android:pathData=" M-42.19 -25.68 C-42.95,-27.82 -43.09,-29.54 -43.09,-30.8 C-43.09,-32.27 -42.84,-33.65 -42.27,-34.9 C-40.71,-38.35 -37.24,-40.75 -33.2,-40.75 C-27.71,-40.75 -23.26,-36.3 -23.26,-30.8 C-23.26,-28.97 -24.74,-27.49 -26.57,-27.49 C-28.4,-27.49 -29.89,-28.97 -29.89,-30.8 C-29.89,-32.64 -31.37,-34.12 -33.2,-34.12 C-35.04,-34.12 -36.52,-32.64 -36.52,-30.8 C-36.52,-28.23 -35.53,-25.92 -33.92,-24.22 C-32.69,-22.93 -31.48,-22.12 -29.44,-21.53 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -134,7 +134,7 @@
                         android:name="_R_G_L_2_G_D_3_P_0"
                         android:pathData=" M-44.06 -38.17 C-42.87,-39.94 -41.39,-41.41 -39.51,-42.44 C-37.62,-43.47 -35.46,-44.05 -33.16,-44.05 C-30.88,-44.05 -28.72,-43.47 -26.85,-42.45 C-24.97,-41.43 -23.48,-39.97 -22.29,-38.21 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -145,7 +145,7 @@
                         android:name="_R_G_L_2_G_D_4_P_0"
                         android:pathData=" M-25.72 -45.45 C-27.99,-46.76 -30.43,-47.52 -33.28,-47.52 C-36.13,-47.52 -38.51,-46.74 -40.62,-45.45 "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="1.45"
@@ -162,7 +162,7 @@
                         android:name="_R_G_L_1_G_D_0_P_0"
                         android:pathData=" M0 -9 C4.97,-9 9,-4.97 9,0 C9,4.97 4.97,9 0,9 C-4.97,9 -9,4.97 -9,0 C-9,-4.97 -4.97,-9 0,-9c "
                         android:strokeAlpha="1"
-                        android:strokeColor="@color/fingerprint_dialog_error_color"
+                        android:strokeColor="@color/biometric_dialog_error_color"
                         android:strokeLineCap="round"
                         android:strokeLineJoin="round"
                         android:strokeWidth="2"
@@ -183,7 +183,7 @@
                         <path
                             android:name="_R_G_L_0_G_D_0_P_0"
                             android:fillAlpha="1"
-                            android:fillColor="@color/fingerprint_dialog_error_color"
+                            android:fillColor="@color/biometric_dialog_error_color"
                             android:fillType="nonZero"
                             android:pathData=" M1.1 3.94 C1.1,4.55 0.61,5.04 0,5.04 C-0.61,5.04 -1.1,4.55 -1.1,3.94 C-1.1,3.33 -0.61,2.84 0,2.84 C0.61,2.84 1.1,3.33 1.1,3.94c " />
                     </group>
@@ -196,7 +196,7 @@
                         <path
                             android:name="_R_G_L_0_G_D_0_P_1"
                             android:fillAlpha="1"
-                            android:fillColor="@color/fingerprint_dialog_error_color"
+                            android:fillColor="@color/biometric_dialog_error_color"
                             android:fillType="nonZero"
                             android:pathData=" M1 -4.06 C1,-4.06 1,-0.06 1,-0.06 C1,0.49 0.55,0.94 0,0.94 C-0.55,0.94 -1,0.49 -1,-0.06 C-1,-0.06 -1,-4.06 -1,-4.06 C-1,-4.61 -0.55,-5.06 0,-5.06 C0.55,-5.06 1,-4.61 1,-4.06c " />
                     </group>
diff --git a/packages/SystemUI/res/layout/fingerprint_dialog.xml b/packages/SystemUI/res/layout/fingerprint_dialog.xml
index 1bdaf6e..06d1e0b 100644
--- a/packages/SystemUI/res/layout/fingerprint_dialog.xml
+++ b/packages/SystemUI/res/layout/fingerprint_dialog.xml
@@ -19,7 +19,7 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:gravity="bottom"
-    android:background="@color/fingerprint_dialog_dim_color"
+    android:background="@color/biometric_dialog_dim_color"
     android:orientation="vertical">
 
     <!-- This is not a Space since Spaces cannot be clicked -->
@@ -63,7 +63,7 @@
                 android:singleLine="true"
                 android:ellipsize="marquee"
                 android:marqueeRepeatLimit="marquee_forever"
-                android:textColor="@color/fingerprint_dialog_text_dark_color"/>
+                android:textColor="@color/biometric_dialog_text_dark_color"/>
 
             <TextView
                 android:id="@+id/subtitle"
@@ -78,7 +78,7 @@
                 android:singleLine="true"
                 android:ellipsize="marquee"
                 android:marqueeRepeatLimit="marquee_forever"
-                android:textColor="@color/fingerprint_dialog_text_dark_color"/>
+                android:textColor="@color/biometric_dialog_text_dark_color"/>
 
             <TextView
                 android:id="@+id/description"
@@ -90,12 +90,12 @@
                 android:paddingTop="8dp"
                 android:textSize="16sp"
                 android:maxLines="4"
-                android:textColor="@color/fingerprint_dialog_text_dark_color"/>
+                android:textColor="@color/biometric_dialog_text_dark_color"/>
 
             <ImageView
                 android:id="@+id/fingerprint_icon"
-                android:layout_width="@dimen/fingerprint_dialog_fp_icon_size"
-                android:layout_height="@dimen/fingerprint_dialog_fp_icon_size"
+                android:layout_width="@dimen/biometric_dialog_biometric_icon_size"
+                android:layout_height="@dimen/biometric_dialog_biometric_icon_size"
                 android:layout_gravity="center_horizontal"
                 android:layout_marginTop="48dp"
                 android:scaleType="fitXY"
@@ -114,7 +114,7 @@
                 android:accessibilityLiveRegion="polite"
                 android:text="@string/fingerprint_dialog_touch_sensor"
                 android:contentDescription="@string/accessibility_fingerprint_dialog_help_area"
-                android:textColor="@color/fingerprint_dialog_text_light_color"/>
+                android:textColor="@color/biometric_dialog_text_light_color"/>
 
             <LinearLayout
                 android:layout_width="match_parent"
diff --git a/packages/SystemUI/res/values/colors.xml b/packages/SystemUI/res/values/colors.xml
index 4920fb2..d1320a3 100644
--- a/packages/SystemUI/res/values/colors.xml
+++ b/packages/SystemUI/res/values/colors.xml
@@ -160,13 +160,13 @@
     <color name="smart_reply_button_background">#ffffffff</color>
     <color name="smart_reply_button_stroke">#ffdadce0</color>
 
-    <!-- Fingerprint dialog colors -->
-    <color name="fingerprint_dialog_bg_color">#ffffffff</color> <!-- 100% white -->
-    <color name="fingerprint_dialog_text_dark_color">#dd000000</color> <!-- 87% black -->
-    <color name="fingerprint_dialog_text_light_color">#89000000</color> <!-- 54% black -->
-    <color name="fingerprint_dialog_dim_color">#80000000</color> <!-- 50% black -->
-    <color name="fingerprint_dialog_error_color">#fff44336</color> <!-- red -->
-    <color name="fingerprint_dialog_fingerprint_color">#ff008577</color> <!-- teal -->
+    <!-- Biometric dialog colors -->
+    <color name="biometric_dialog_bg_color">#ffffffff</color> <!-- 100% white -->
+    <color name="biometric_dialog_text_dark_color">#dd000000</color> <!-- 87% black -->
+    <color name="biometric_dialog_text_light_color">#89000000</color> <!-- 54% black -->
+    <color name="biometric_dialog_dim_color">#80000000</color> <!-- 50% black -->
+    <color name="biometric_dialog_error_color">#fff44336</color> <!-- red -->
+    <color name="biometric_dialog_biometric_color">#ff008577</color> <!-- teal -->
 
     <!-- Logout button -->
     <color name="logout_button_bg_color">#ccffffff</color>
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index c168d4e..d21f6d9 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -982,10 +982,10 @@
          the regular notification, when we have remote input history texts present. -->
     <dimen name="remote_input_history_extra_height">60dp</dimen>
 
-    <!-- Fingerprint Dialog values -->
-    <dimen name="fingerprint_dialog_fp_icon_size">64dp</dimen>
+    <!-- Biometric Dialog values -->
+    <dimen name="biometric_dialog_biometric_icon_size">64dp</dimen>
+    <dimen name="biometric_dialog_corner_size">4dp</dimen>
     <dimen name="fingerprint_dialog_animation_translation_offset">350dp</dimen>
-    <dimen name="fingerprint_dialog_corner_size">4dp</dimen>
 
     <!-- Wireless Charging Animation values -->
     <dimen name="wireless_charging_dots_radius_start">0dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogImpl.java b/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogImpl.java
index 7359daa..327eba7 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogImpl.java
@@ -116,7 +116,7 @@
         }
         getComponent(CommandQueue.class).addCallbacks(this);
         mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
-        mDialogView = new BiometricDialogView(mContext, mCallback);
+        mDialogView = new FingerprintDialogView(mContext, mCallback);
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogView.java b/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogView.java
index 9ebd54b..50ee88c 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogView.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/BiometricDialogView.java
@@ -19,8 +19,6 @@
 import android.content.Context;
 import android.graphics.Color;
 import android.graphics.PixelFormat;
-import android.graphics.drawable.AnimatedVectorDrawable;
-import android.graphics.drawable.Drawable;
 import android.hardware.biometrics.BiometricPrompt;
 import android.os.Binder;
 import android.os.Bundle;
@@ -38,7 +36,6 @@
 import android.view.WindowManager;
 import android.view.animation.Interpolator;
 import android.widget.Button;
-import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
@@ -46,11 +43,9 @@
 import com.android.systemui.R;
 
 /**
- * This class loads the view for the system-provided dialog. The view consists of:
- * Application Icon, Title, Subtitle, Description, Fingerprint Icon, Error/Help message area,
- * and positive/negative buttons.
+ * Abstract base class. Shows a dialog for BiometricPrompt.
  */
-public class BiometricDialogView extends LinearLayout {
+public abstract class BiometricDialogView extends LinearLayout {
 
     private static final String TAG = "BiometricDialogView";
 
@@ -59,10 +54,10 @@
 
     private static final int MSG_CLEAR_MESSAGE = 1;
 
-    private static final int STATE_NONE = 0;
-    private static final int STATE_FINGERPRINT = 1;
-    private static final int STATE_FINGERPRINT_ERROR = 2;
-    private static final int STATE_FINGERPRINT_AUTHENTICATED = 3;
+    protected static final int STATE_NONE = 0;
+    protected static final int STATE_AUTHENTICATING = 1;
+    protected static final int STATE_ERROR = 2;
+    protected static final int STATE_AUTHENTICATED = 3;
 
     private final IBinder mWindowToken = new Binder();
     private final Interpolator mLinearOutSlowIn;
@@ -70,7 +65,6 @@
     private final float mAnimationTranslationOffset;
     private final int mErrorColor;
     private final int mTextColor;
-    private final int mFingerprintColor;
     private final float mDisplayWidth;
     private final DialogViewCallback mCallback;
 
@@ -82,6 +76,11 @@
     private boolean mAnimatingAway;
     private boolean mWasForceRemoved;
 
+    protected abstract int getLayoutResourceId();
+    protected abstract float getAnimationTranslationOffset();
+    protected abstract void updateIcon(int lastState, int newState);
+    protected abstract int getHintStringResource();
+
     private final Runnable mShowAnimationRunnable = new Runnable() {
         @Override
         public void run() {
@@ -119,14 +118,11 @@
         mCallback = callback;
         mLinearOutSlowIn = Interpolators.LINEAR_OUT_SLOW_IN;
         mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
-        mAnimationTranslationOffset = getResources()
-                .getDimension(R.dimen.fingerprint_dialog_animation_translation_offset);
+        mAnimationTranslationOffset = getAnimationTranslationOffset();
         mErrorColor = Color.parseColor(
-                getResources().getString(R.color.fingerprint_dialog_error_color));
+                getResources().getString(R.color.biometric_dialog_error_color));
         mTextColor = Color.parseColor(
-                getResources().getString(R.color.fingerprint_dialog_text_light_color));
-        mFingerprintColor = Color.parseColor(
-                getResources().getString(R.color.fingerprint_dialog_fingerprint_color));
+                getResources().getString(R.color.biometric_dialog_text_light_color));
 
         DisplayMetrics metrics = new DisplayMetrics();
         mWindowManager.getDefaultDisplay().getMetrics(metrics);
@@ -134,7 +130,7 @@
 
         // Create the dialog
         LayoutInflater factory = LayoutInflater.from(getContext());
-        mLayout = (ViewGroup) factory.inflate(R.layout.fingerprint_dialog, this, false);
+        mLayout = (ViewGroup) factory.inflate(getLayoutResourceId(), this, false);
         addView(mLayout);
 
         mDialog = mLayout.findViewById(R.id.dialog);
@@ -195,7 +191,7 @@
         mDialog.getLayoutParams().width = (int) mDisplayWidth;
 
         mLastState = STATE_NONE;
-        updateFingerprintIcon(STATE_FINGERPRINT);
+        updateState(STATE_AUTHENTICATING);
 
         title.setText(mBundle.getCharSequence(BiometricPrompt.KEY_TITLE));
         title.setSelected(true);
@@ -303,17 +299,21 @@
         mBundle = bundle;
     }
 
+    public ViewGroup getLayout() {
+        return mLayout;
+    }
+
     // Clears the temporary message and shows the help message.
     private void handleClearMessage() {
-        updateFingerprintIcon(STATE_FINGERPRINT);
-        mErrorText.setText(R.string.fingerprint_dialog_touch_sensor);
+        updateState(STATE_AUTHENTICATING);
+        mErrorText.setText(getHintStringResource());
         mErrorText.setTextColor(mTextColor);
     }
 
     // Shows an error/help message
     private void showTemporaryMessage(String message) {
         mHandler.removeMessages(MSG_CLEAR_MESSAGE);
-        updateFingerprintIcon(STATE_FINGERPRINT_ERROR);
+        updateState(STATE_ERROR);
         mErrorText.setText(message);
         mErrorText.setTextColor(mErrorColor);
         mErrorText.setContentDescription(message);
@@ -330,61 +330,11 @@
         mCallback.onErrorShown();
     }
 
-    private void updateFingerprintIcon(int newState) {
-        Drawable icon  = getAnimationForTransition(mLastState, newState);
-
-        if (icon == null) {
-            Log.e(TAG, "Animation not found");
-            return;
-        }
-
-        final AnimatedVectorDrawable animation = icon instanceof AnimatedVectorDrawable
-                ? (AnimatedVectorDrawable) icon
-                : null;
-
-        final ImageView fingerprint_icon = mLayout.findViewById(R.id.fingerprint_icon);
-        fingerprint_icon.setImageDrawable(icon);
-
-        if (animation != null && shouldAnimateForTransition(mLastState, newState)) {
-            animation.forceAnimationOnUI();
-            animation.start();
-        }
-
+    private void updateState(int newState) {
+        updateIcon(mLastState, newState);
         mLastState = newState;
     }
 
-    private boolean shouldAnimateForTransition(int oldState, int newState) {
-        if (oldState == STATE_NONE && newState == STATE_FINGERPRINT) {
-            return false;
-        } else if (oldState == STATE_FINGERPRINT && newState == STATE_FINGERPRINT_ERROR) {
-            return true;
-        } else if (oldState == STATE_FINGERPRINT_ERROR && newState == STATE_FINGERPRINT) {
-            return true;
-        } else if (oldState == STATE_FINGERPRINT && newState == STATE_FINGERPRINT_AUTHENTICATED) {
-            // TODO(b/77328470): add animation when fingerprint is authenticated
-            return false;
-        }
-        return false;
-    }
-
-    private Drawable getAnimationForTransition(int oldState, int newState) {
-        int iconRes;
-        if (oldState == STATE_NONE && newState == STATE_FINGERPRINT) {
-            iconRes = R.drawable.fingerprint_dialog_fp_to_error;
-        } else if (oldState == STATE_FINGERPRINT && newState == STATE_FINGERPRINT_ERROR) {
-            iconRes = R.drawable.fingerprint_dialog_fp_to_error;
-        } else if (oldState == STATE_FINGERPRINT_ERROR && newState == STATE_FINGERPRINT) {
-            iconRes = R.drawable.fingerprint_dialog_error_to_fp;
-        } else if (oldState == STATE_FINGERPRINT && newState == STATE_FINGERPRINT_AUTHENTICATED) {
-            // TODO(b/77328470): add animation when fingerprint is authenticated
-            iconRes = R.drawable.fingerprint_dialog_error_to_fp;
-        }
-        else {
-            return null;
-        }
-        return mContext.getDrawable(iconRes);
-    }
-
     public WindowManager.LayoutParams getLayoutParams() {
         final WindowManager.LayoutParams lp = new WindowManager.LayoutParams(
                 ViewGroup.LayoutParams.MATCH_PARENT,
diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/FingerprintDialogView.java b/packages/SystemUI/src/com/android/systemui/biometrics/FingerprintDialogView.java
new file mode 100644
index 0000000..9033322
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/FingerprintDialogView.java
@@ -0,0 +1,108 @@
+/*
+ * 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.systemui.biometrics;
+
+import android.content.Context;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.Drawable;
+import android.util.Log;
+import android.widget.ImageView;
+
+import com.android.systemui.R;
+
+/**
+ * This class loads the view for the system-provided dialog. The view consists of:
+ * Application Icon, Title, Subtitle, Description, Fingerprint Icon, Error/Help message area,
+ * and positive/negative buttons.
+ */
+public class FingerprintDialogView extends BiometricDialogView {
+    private static final String TAG = "FingerprintDialogView";
+
+    @Override
+    protected int getLayoutResourceId() {
+        return R.layout.fingerprint_dialog;
+    }
+
+    @Override
+    protected int getHintStringResource() {
+        return R.string.fingerprint_dialog_touch_sensor;
+    }
+
+    @Override
+    protected float getAnimationTranslationOffset() {
+        return getResources()
+                .getDimension(R.dimen.fingerprint_dialog_animation_translation_offset);
+    }
+
+    @Override
+    protected void updateIcon(int lastState, int newState) {
+        Drawable icon = getAnimationForTransition(lastState, newState);
+
+        if (icon == null) {
+            Log.e(TAG, "Animation not found");
+            return;
+        }
+
+        final AnimatedVectorDrawable animation = icon instanceof AnimatedVectorDrawable
+                ? (AnimatedVectorDrawable) icon
+                : null;
+
+        final ImageView fingerprint_icon = getLayout().findViewById(R.id.fingerprint_icon);
+        fingerprint_icon.setImageDrawable(icon);
+
+        if (animation != null && shouldAnimateForTransition(lastState, newState)) {
+            animation.forceAnimationOnUI();
+            animation.start();
+        }
+    }
+
+    public FingerprintDialogView(Context context,
+            DialogViewCallback callback) {
+        super(context, callback);
+    }
+
+    private boolean shouldAnimateForTransition(int oldState, int newState) {
+        if (oldState == STATE_NONE && newState == STATE_AUTHENTICATING) {
+            return false;
+        } else if (oldState == STATE_AUTHENTICATING && newState == STATE_ERROR) {
+            return true;
+        } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) {
+            return true;
+        } else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) {
+            // TODO(b/77328470): add animation when fingerprint is authenticated
+            return false;
+        }
+        return false;
+    }
+
+    private Drawable getAnimationForTransition(int oldState, int newState) {
+        int iconRes;
+        if (oldState == STATE_NONE && newState == STATE_AUTHENTICATING) {
+            iconRes = R.drawable.fingerprint_dialog_fp_to_error;
+        } else if (oldState == STATE_AUTHENTICATING && newState == STATE_ERROR) {
+            iconRes = R.drawable.fingerprint_dialog_fp_to_error;
+        } else if (oldState == STATE_ERROR && newState == STATE_AUTHENTICATING) {
+            iconRes = R.drawable.fingerprint_dialog_error_to_fp;
+        } else if (oldState == STATE_AUTHENTICATING && newState == STATE_AUTHENTICATED) {
+            // TODO(b/77328470): add animation when fingerprint is authenticated
+            iconRes = R.drawable.fingerprint_dialog_error_to_fp;
+        } else {
+            return null;
+        }
+        return mContext.getDrawable(iconRes);
+    }
+}
\ No newline at end of file