Mark interruptionLevel as @nonnull

Author: lfkellogg

firebase-appdistribution-api/src/main/java/com/google/firebase/appdistribution/FirebaseAppDistribution.java

@@ -206,7 +206,8 @@ public interface FirebaseAppDistribution {
    *     below Android 8, this corresponds to a notification channel importance and once set cannot
    *     be changed except by the user.
    */
-  void showFeedbackNotification(int infoTextResourceId, InterruptionLevel interruptionLevel);
+  void showFeedbackNotification(
+      int infoTextResourceId, @NonNull InterruptionLevel interruptionLevel);
 
   /**
    * Displays a notification that, when tapped, will take a screenshot of the current activity, then
@@ -234,7 +235,7 @@ public interface FirebaseAppDistribution {
    *     be changed except by the user.
    */
   void showFeedbackNotification(
-      @NonNull CharSequence infoText, InterruptionLevel interruptionLevel);
+      @NonNull CharSequence infoText, @NonNull InterruptionLevel interruptionLevel);
 
   /**
    * Hides the notification shown with {@link #showFeedbackNotification}.

firebase-appdistribution-api/src/main/java/com/google/firebase/appdistribution/internal/FirebaseAppDistributionProxy.java

@@ -97,13 +97,13 @@ public void startFeedback(@NonNull CharSequence infoText, @Nullable Uri screensh
 
   @Override
   public void showFeedbackNotification(
-      int infoTextResourceId, InterruptionLevel interruptionLevel) {
+      int infoTextResourceId, @NonNull InterruptionLevel interruptionLevel) {
     delegate.showFeedbackNotification(infoTextResourceId, interruptionLevel);
   }
 
   @Override
   public void showFeedbackNotification(
-      @NonNull CharSequence infoText, InterruptionLevel interruptionLevel) {
+      @NonNull CharSequence infoText, @NonNull InterruptionLevel interruptionLevel) {
     delegate.showFeedbackNotification(infoText, interruptionLevel);
   }
 

firebase-appdistribution-api/src/main/java/com/google/firebase/appdistribution/internal/FirebaseAppDistributionStub.java

@@ -87,11 +87,11 @@ public void startFeedback(@NonNull CharSequence infoText, @Nullable Uri screensh
 
   @Override
   public void showFeedbackNotification(
-      int infoTextResourceId, InterruptionLevel interruptionLevel) {}
+      int infoTextResourceId, @NonNull InterruptionLevel interruptionLevel) {}
 
   @Override
   public void showFeedbackNotification(
-      @NonNull CharSequence infoText, InterruptionLevel interruptionLevel) {}
+      @NonNull CharSequence infoText, @NonNull InterruptionLevel interruptionLevel) {}
 
   @Override
   public void cancelFeedbackNotification() {}

firebase-appdistribution/src/main/java/com/google/firebase/appdistribution/impl/FirebaseAppDistributionImpl.java

@@ -354,13 +354,13 @@ public void startFeedback(@NonNull CharSequence infoText, @Nullable Uri screensh
 
   @Override
   public void showFeedbackNotification(
-      int infoTextResourceId, InterruptionLevel interruptionLevel) {
+      int infoTextResourceId, @NonNull InterruptionLevel interruptionLevel) {
     showFeedbackNotification(getText(infoTextResourceId), interruptionLevel);
   }
 
   @Override
   public void showFeedbackNotification(
-      @NonNull CharSequence infoText, InterruptionLevel interruptionLevel) {
+      @NonNull CharSequence infoText, @NonNull InterruptionLevel interruptionLevel) {
     notificationsManager.showFeedbackNotification(infoText, interruptionLevel);
   }
 

firebase-appdistribution/src/main/java/com/google/firebase/appdistribution/impl/FirebaseAppDistributionNotificationsManager.java

@@ -130,7 +130,7 @@ private static int getPendingIntentFlags(int baseFlags) {
   }
 
   public void showFeedbackNotification(
-      @NonNull CharSequence infoText, InterruptionLevel interruptionLevel) {
+      @NonNull CharSequence infoText, @NonNull InterruptionLevel interruptionLevel) {
     // Create the NotificationChannel, but only on API 26+ because
     // the NotificationChannel class is new and not in the support library
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {