Merge "Add null check for IInputMethodPrivilegedOperations" into sc-dev

core/java/com/android/internal/inputmethod/InputMethodPrivilegedOperations.java

@@ -18,6 +18,7 @@ package com.android.internal.inputmethod;
 
 import android.annotation.AnyThread;
 import android.annotation.DrawableRes;
+import android.annotation.NonNull;
 import android.annotation.Nullable;
 import android.net.Uri;
 import android.os.IBinder;
@@ -28,6 +29,8 @@ import android.view.inputmethod.InputMethodSubtype;
 
 import com.android.internal.annotations.GuardedBy;
 
+import java.util.Objects;
+
 /**
  * A utility class to take care of boilerplate code around IPCs.
  */
@@ -47,7 +50,7 @@ public final class InputMethodPrivilegedOperations {
          * @param privOps Binder interface to be set
          */
         @AnyThread
-        public synchronized void set(IInputMethodPrivilegedOperations privOps) {
+        public synchronized void set(@NonNull IInputMethodPrivilegedOperations privOps) {
             if (mPrivOps != null) {
                 throw new IllegalStateException(
                         "IInputMethodPrivilegedOperations must be set at most once."
@@ -90,7 +93,8 @@ public final class InputMethodPrivilegedOperations {
      * @param privOps Binder interface to be set
      */
     @AnyThread
-    public void set(IInputMethodPrivilegedOperations privOps) {
+    public void set(@NonNull IInputMethodPrivilegedOperations privOps) {
+        Objects.requireNonNull(privOps, "privOps must not be null");
         mOps.set(privOps);
     }