Update KeyguardStatusBar views w/ display change

Implement BatteryMeterView's onConfigurationChanged to show correct
battery percentage text size.
Re-add icon groups if display changed to show correct size of system
icons.

Manually check keyguard status bar layout w/ following cases
1. Settings - Display - Display Size
2. RTL or LTR

Bug: 197291570
Test: atest SystemUITests
Change-Id: I3719b957b48f1dba81aedac5a7feb18323244429

packages/SystemUI/src/com/android/systemui/battery/BatteryMeterView.java

@@ -25,6 +25,7 @@ import android.animation.LayoutTransition;
 import android.animation.ObjectAnimator;
 import android.annotation.IntDef;
 import android.content.Context;
+import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.content.res.TypedArray;
 import android.graphics.Rect;
@@ -164,6 +165,12 @@ public class BatteryMeterView extends LinearLayout implements DarkReceiver {
         updateShowPercent();
     }
 
+    @Override
+    protected void onConfigurationChanged(Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        updatePercentView();
+    }
+
     public void setColorsFromContext(Context context) {
         if (context == null) {
             return;

packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardStatusBarView.java

@@ -119,6 +119,7 @@ public class KeyguardStatusBarView extends RelativeLayout {
     @Override
     protected void onConfigurationChanged(Configuration newConfig) {
         super.onConfigurationChanged(newConfig);
+        loadDimens();
 
         MarginLayoutParams lp = (MarginLayoutParams) mMultiUserAvatar.getLayoutParams();
         lp.width = lp.height = getResources().getDimensionPixelSize(
@@ -128,6 +129,22 @@ public class KeyguardStatusBarView extends RelativeLayout {
         // System icons
         updateSystemIconsLayoutParams();
 
+        // mStatusIconArea
+        mStatusIconArea.setPaddingRelative(
+                mStatusIconArea.getPaddingStart(),
+                getResources().getDimensionPixelSize(R.dimen.status_bar_padding_top),
+                mStatusIconArea.getPaddingEnd(),
+                mStatusIconArea.getPaddingBottom()
+        );
+
+        // mStatusIconContainer
+        mStatusIconContainer.setPaddingRelative(
+                mStatusIconContainer.getPaddingStart(),
+                mStatusIconContainer.getPaddingTop(),
+                getResources().getDimensionPixelSize(R.dimen.signal_cluster_battery_padding),
+                mStatusIconContainer.getPaddingBottom()
+        );
+
         // Respect font size setting.
         mCarrierLabel.setTextSize(TypedValue.COMPLEX_UNIT_PX,
                 getResources().getDimensionPixelSize(

packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBarIconControllerImpl.java

@@ -114,6 +114,14 @@ public class StatusBarIconControllerImpl extends StatusBarIconList implements Tu
         }
     }
 
+    private void refreshIconGroups() {
+        for (int i = mIconGroups.size() - 1; i >= 0; --i) {
+            IconManager group = mIconGroups.get(i);
+            removeIconGroup(group);
+            addIconGroup(group);
+        }
+    }
+
     /** */
     @Override
     public void removeIconGroup(IconManager group) {
@@ -468,5 +476,6 @@ public class StatusBarIconControllerImpl extends StatusBarIconList implements Tu
     @Override
     public void onDensityOrFontScaleChanged() {
         loadDimens();
+        refreshIconGroups();
     }
 }