1. 设置pin码或者图案锁屏后，在锁屏界面向上划左边，图案解锁就在左边，
   向上划右边图案就在右边，如何设置一直居中显示呢？

java">diff --git a/packages/SystemUI/res/layout/super_notification_shade.xml b/packages/SystemUI/res/layout/super_notification_shade.xml
index b28cb2f6f483..75f308c11930
--- a/packages/SystemUI/res/layout/super_notification_shade.xml
+++ b/packages/SystemUI/res/layout/super_notification_shade.xml
@@ -98,10 +98,14 @@android:singleLine="true"android:ellipsize="marquee"android:focusable="true" />
-        <FrameLayout android:id="@+id/keyguard_bouncer_container"
-                     android:layout_height="0dp"
-                     android:layout_width="match_parent"
-                     android:layout_weight="1" />
+       <FrameLayout
+           android:id="@+id/keyguard_bouncer_container"
+            android:layout_height="0dp"
+            android:layout_width="wrap_content"
+           android:layout_weight="1"
+            android:layout_gravity="bottom|center_horizontal"
+           /></LinearLayout><com.android.systemui.biometrics.AuthRippleView