diff --git a/packages/SettingsLib/MainSwitchPreference/src/com/android/settingslib/widget/MainSwitchBar.java b/packages/SettingsLib/MainSwitchPreference/src/com/android/settingslib/widget/MainSwitchBar.java
index 0748acd4d7305..123c47727f4d9 100644
--- a/packages/SettingsLib/MainSwitchPreference/src/com/android/settingslib/widget/MainSwitchBar.java
+++ b/packages/SettingsLib/MainSwitchPreference/src/com/android/settingslib/widget/MainSwitchBar.java
@@ -72,9 +72,7 @@ public class MainSwitchBar extends LinearLayout implements CompoundButton.OnChec
             int defStyleRes) {
         super(context, attrs, defStyleAttr, defStyleRes);
 
-        LayoutInflater.from(context).inflate(
-                resourceId(context, "layout", "settingslib_main_switch_bar"),
-                this);
+        LayoutInflater.from(context).inflate(R.layout.settingslib_main_switch_bar, this);
 
         if (!BuildCompat.isAtLeastS()) {
             final TypedArray a = context.obtainStyledAttributes(
@@ -90,12 +88,10 @@ public class MainSwitchBar extends LinearLayout implements CompoundButton.OnChec
         mFrameView = findViewById(R.id.frame);
         mTextView = (TextView) findViewById(R.id.switch_text);
         mSwitch = (Switch) findViewById(android.R.id.switch_widget);
-        mBackgroundOn = getContext().getDrawable(
-                resourceId(context, "drawable", "settingslib_switch_bar_bg_on"));
-        mBackgroundOff = getContext().getDrawable(
-                resourceId(context, "drawable", "settingslib_switch_bar_bg_off"));
+        mBackgroundOn = getContext().getDrawable(R.drawable.settingslib_switch_bar_bg_on);
+        mBackgroundOff = getContext().getDrawable(R.drawable.settingslib_switch_bar_bg_off);
         mBackgroundDisabled = getContext().getDrawable(
-                resourceId(context, "drawable", "settingslib_switch_bar_bg_disabled"));
+                R.drawable.settingslib_switch_bar_bg_disabled);
 
         addOnSwitchChangeListener((switchView, isChecked) -> setChecked(isChecked));
 
@@ -302,8 +298,4 @@ public class MainSwitchBar extends LinearLayout implements CompoundButton.OnChec
 
         requestLayout();
     }
-
-    private int resourceId(Context context, String type, String name) {
-        return context.getResources().getIdentifier(name, type, context.getPackageName());
-    }
 }
diff --git a/packages/SettingsLib/TwoTargetPreference/src/com/android/settingslib/widget/TwoTargetPreference.java b/packages/SettingsLib/TwoTargetPreference/src/com/android/settingslib/widget/TwoTargetPreference.java
index 17f257d3758ab..9130662021d54 100644
--- a/packages/SettingsLib/TwoTargetPreference/src/com/android/settingslib/widget/TwoTargetPreference.java
+++ b/packages/SettingsLib/TwoTargetPreference/src/com/android/settingslib/widget/TwoTargetPreference.java
@@ -72,9 +72,9 @@ public class TwoTargetPreference extends Preference {
     private void init(Context context) {
         setLayoutResource(R.layout.preference_two_target);
         mSmallIconSize = context.getResources().getDimensionPixelSize(
-                resourceId(context, "dimen", "two_target_pref_small_icon_size"));
+                R.dimen.two_target_pref_small_icon_size);
         mMediumIconSize = context.getResources().getDimensionPixelSize(
-                resourceId(context, "dimen", "two_target_pref_medium_icon_size"));
+                R.dimen.two_target_pref_medium_icon_size);
         final int secondTargetResId = getSecondTargetResId();
         if (secondTargetResId != 0) {
             setWidgetLayoutResource(secondTargetResId);
@@ -116,8 +116,4 @@ public class TwoTargetPreference extends Preference {
     protected int getSecondTargetResId() {
         return 0;
     }
-
-    private int resourceId(Context context, String type, String name) {
-        return context.getResources().getIdentifier(name, type, context.getPackageName());
-    }
 }