diff --git a/packages/SystemUI/res/drawable/ic_open_in_new_fullscreen.xml b/packages/SystemUI/res/drawable/ic_open_in_new_fullscreen.xml
index 55116c6e549a3..9f66581d8053c 100644
--- a/packages/SystemUI/res/drawable/ic_open_in_new_fullscreen.xml
+++ b/packages/SystemUI/res/drawable/ic_open_in_new_fullscreen.xml
@@ -19,8 +19,8 @@
         <shape android:shape="rectangle">
             <solid android:color="@color/magnification_switch_button_color" />
             <size
-                android:width="40dp"
-                android:height="40dp" />
+                android:width="48dp"
+                android:height="48dp" />
         </shape>
     </item>
 
diff --git a/packages/SystemUI/res/drawable/ic_open_in_new_window.xml b/packages/SystemUI/res/drawable/ic_open_in_new_window.xml
index 5f571cfa01974..659b02048c739 100644
--- a/packages/SystemUI/res/drawable/ic_open_in_new_window.xml
+++ b/packages/SystemUI/res/drawable/ic_open_in_new_window.xml
@@ -19,8 +19,8 @@
         <shape android:shape="rectangle">
             <solid android:color="@color/magnification_switch_button_color" />
             <size
-                android:width="40dp"
-                android:height="40dp" />
+                android:width="48dp"
+                android:height="48dp" />
         </shape>
     </item>
 
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 3b1fe4a7ddf35..a9601336c6e21 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -1194,8 +1194,8 @@
     <dimen name="magnification_frame_move_long">25dp</dimen>
     <dimen name="magnification_drag_view_size">38dp</dimen>
     <dimen name="magnification_controls_size">90dp</dimen>
-    <dimen name="magnification_switch_button_size">32dp</dimen>
-    <dimen name="magnification_switch_button_padding">8dp</dimen>
+    <dimen name="magnification_switch_button_size">60dp</dimen>
+    <dimen name="magnification_switch_button_padding">12dp</dimen>
     <dimen name="magnifier_left_right_controls_width">35dp</dimen>
     <dimen name="magnifier_left_right_controls_height">45dp</dimen>
     <dimen name="magnifier_up_down_controls_width">45dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/accessibility/MagnificationModeSwitch.java b/packages/SystemUI/src/com/android/systemui/accessibility/MagnificationModeSwitch.java
index e40185c279a87..026856db5cc72 100644
--- a/packages/SystemUI/src/com/android/systemui/accessibility/MagnificationModeSwitch.java
+++ b/packages/SystemUI/src/com/android/systemui/accessibility/MagnificationModeSwitch.java
@@ -23,6 +23,7 @@ import android.content.Context;
 import android.content.pm.ActivityInfo;
 import android.graphics.PixelFormat;
 import android.graphics.PointF;
+import android.graphics.Rect;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.provider.Settings;
@@ -41,6 +42,8 @@ import android.widget.ImageView;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.systemui.R;
 
+import java.util.Collections;
+
 /**
  * Shows/hides a {@link android.widget.ImageView} on the screen and changes the values of
  * {@link Settings.Secure.ACCESSIBILITY_MAGNIFICATION_MODE} when the UI is toggled.
@@ -85,7 +88,6 @@ class MagnificationModeSwitch {
         mImageView = imageView;
         mTouchSlop = ViewConfiguration.get(mContext).getScaledTouchSlop();
         applyResourcesValues();
-        mImageView.setImageResource(getIconResId(mMagnificationMode));
         mImageView.setOnTouchListener(this::onTouch);
         mImageView.setAccessibilityDelegate(new View.AccessibilityDelegate() {
             @Override
@@ -138,6 +140,7 @@ class MagnificationModeSwitch {
         final int padding = mContext.getResources().getDimensionPixelSize(
                 R.dimen.magnification_switch_button_padding);
         mImageView.setPadding(padding, padding, padding, padding);
+        mImageView.setImageResource(getIconResId(mMagnificationMode));
     }
 
     private boolean onTouch(View v, MotionEvent event) {
@@ -205,6 +208,8 @@ class MagnificationModeSwitch {
         }
         if (!mIsVisible) {
             mWindowManager.addView(mImageView, mParams);
+            // Exclude magnification switch button from system gesture area.
+            setSystemGestureExclusion();
             mIsVisible = true;
             mImageView.postOnAnimation(mFadeInAnimationTask);
             mUiTimeout = mAccessibilityManager.getRecommendedTimeoutMillis(
@@ -224,7 +229,11 @@ class MagnificationModeSwitch {
     void onConfigurationChanged(int configDiff) {
         if ((configDiff & ActivityInfo.CONFIG_DENSITY) != 0) {
             applyResourcesValues();
-            mImageView.setImageResource(getIconResId(mMagnificationMode));
+            if (mIsVisible) {
+                mWindowManager.updateViewLayout(mImageView, mParams);
+                // Exclude magnification switch button from system gesture area.
+                setSystemGestureExclusion();
+            }
             return;
         }
         if ((configDiff & ActivityInfo.CONFIG_LOCALE) != 0) {
@@ -261,7 +270,6 @@ class MagnificationModeSwitch {
         ImageView imageView = new ImageView(context);
         imageView.setClickable(true);
         imageView.setFocusable(true);
-        imageView.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
         imageView.setAlpha(0f);
         return imageView;
     }
@@ -288,4 +296,13 @@ class MagnificationModeSwitch {
     private static String getAccessibilityWindowTitle(Context context) {
         return context.getString(com.android.internal.R.string.android_system_label);
     }
+
+    private void setSystemGestureExclusion() {
+        mImageView.post(() -> {
+            mImageView.setSystemGestureExclusionRects(
+                    Collections.singletonList(
+                            new Rect(0, 0, mImageView.getWidth(), mImageView.getHeight())));
+        });
+    }
+
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java b/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
index 11150432f757d..0451d45a628bc 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/accessibility/MagnificationModeSwitchTest.java
@@ -142,6 +142,13 @@ public class MagnificationModeSwitchTest extends SysuiTestCase {
         assertShowFadingAnimation(FADE_OUT_ALPHA);
     }
 
+    @Test
+    public void showButton_excludeSystemGestureArea() {
+        mMagnificationModeSwitch.showButton(ACCESSIBILITY_MAGNIFICATION_MODE_WINDOW);
+
+        verify(mSpyImageView).setSystemGestureExclusionRects(any(List.class));
+    }
+
     @Test
     public void showMagnificationButton_setA11yTimeout_postDelayedAnimationWithA11yTimeout() {
         final int a11yTimeout = 12345;
@@ -178,14 +185,17 @@ public class MagnificationModeSwitchTest extends SysuiTestCase {
     }
 
     @Test
-    public void onConfigurationChanged_buttonIsShowing_setImageResource() {
+    public void onConfigurationChanged_buttonIsShowing_updateResourcesAndLayout() {
         mMagnificationModeSwitch.showButton(ACCESSIBILITY_MAGNIFICATION_MODE_FULLSCREEN);
         resetAndStubMockImageViewAndAnimator();
 
         mMagnificationModeSwitch.onConfigurationChanged(ActivityInfo.CONFIG_DENSITY);
 
+        verify(mSpyImageView).setPadding(anyInt(), anyInt(), anyInt(), anyInt());
         verify(mSpyImageView).setImageResource(
                 getIconResId(ACCESSIBILITY_MAGNIFICATION_MODE_FULLSCREEN));
+        verify(mWindowManager).updateViewLayout(eq(mSpyImageView), any());
+        verify(mSpyImageView).setSystemGestureExclusionRects(any(List.class));
     }
 
     @Test
@@ -368,6 +378,11 @@ public class MagnificationModeSwitchTest extends SysuiTestCase {
     private void resetAndStubMockImageViewAndAnimator() {
         resetAndStubMockAnimator();
         Mockito.reset(mSpyImageView);
+        doAnswer(invocation -> {
+            final Runnable runnable = invocation.getArgument(0);
+            runnable.run();
+            return null;
+        }).when(mSpyImageView).post(any(Runnable.class));
         doReturn(mViewPropertyAnimator).when(mSpyImageView).animate();
     }