[shared_preferences] Ports SharedPreferencesAndroid to Pigeon

packages/shared_preferences/shared_preferences_android/CHANGELOG.md

@@ -1,7 +1,7 @@
 ## 2.1.1
 
 * Updates minimum Flutter version to 3.0.
-* Converts `SharedPreferencesAndroid` to Pigeon.
+* Converts implementation to Pigeon.
 
 ## 2.1.0
 

packages/shared_preferences/shared_preferences_android/android/src/main/java/io/flutter/plugins/sharedpreferences/Messages.java

@@ -1,7 +1,7 @@
 // Copyright 2013 The Flutter Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Autogenerated from Pigeon (v9.2.3), do not edit directly.
+// Autogenerated from Pigeon (v9.2.4), do not edit directly.
 // See also: https://pub.dev/packages/pigeon
 
 package io.flutter.plugins.sharedpreferences;
@@ -55,28 +55,28 @@ protected static ArrayList<Object> wrapError(@NonNull Throwable exception) {
   }
   /** Generated interface from Pigeon that represents a handler of messages from Flutter. */
   public interface SharedPreferencesApi {
-
+    /** Removes property from shared preferences data set. */
     @NonNull
     Boolean remove(@NonNull String key);
-
+    /** Adds property to shared preferences data set of type bool. */
     @NonNull
     Boolean setBool(@NonNull String key, @NonNull Boolean value);
-
+    /** Adds property to shared preferences data set of type String. */
     @NonNull
     Boolean setString(@NonNull String key, @NonNull String value);
-
+    /** Adds property to shared preferences data set of type int. */
     @NonNull
-    Boolean setInt(@NonNull String key, @NonNull Object value);
-
+    Boolean setInt(@NonNull String key, @NonNull Long value);
+    /** Adds property to shared preferences data set of type double. */
     @NonNull
     Boolean setDouble(@NonNull String key, @NonNull Double value);
-
+    /** Adds property to shared preferences data set of type List<String>. */
     @NonNull
     Boolean setStringList(@NonNull String key, @NonNull List<String> value);
-
+    /** Removes all properties from shared preferences data set with matching prefix. */
     @NonNull
     Boolean clearWithPrefix(@NonNull String prefix);
-
+    /** Gets all properties from shared preferences data set with matching prefix. */
     @NonNull
     Map<String, Object> getAllWithPrefix(@NonNull String prefix);
 
@@ -187,9 +187,10 @@ static void setup(
                 ArrayList<Object> wrapped = new ArrayList<Object>();
                 ArrayList<Object> args = (ArrayList<Object>) message;
                 String keyArg = (String) args.get(0);
-                Object valueArg = args.get(1);
+                Number valueArg = (Number) args.get(1);
                 try {
-                  Boolean output = api.setInt(keyArg, valueArg);
+                  Boolean output =
+                      api.setInt(keyArg, (valueArg == null) ? null : valueArg.longValue());
                   wrapped.add(0, output);
                 } catch (Throwable exception) {
                   ArrayList<Object> wrappedError = wrapError(exception);

packages/shared_preferences/shared_preferences_android/android/src/main/java/io/flutter/plugins/sharedpreferences/SharedPreferencesListEncoder.java

@@ -7,11 +7,15 @@
 import androidx.annotation.NonNull;
 import java.util.List;
 
-/** SharedPreferencesPlugin */
+/**
+ * An interface used to provide conversion logic between List<String> and String for
+ * SharedPreferencesPlugin.
+ */
 public interface SharedPreferencesListEncoder {
+  /** Converts list to String for storing in shared preferences. */
   @NonNull
   String encode(@NonNull List<String> list);
-
+  /** Converts stored String representing List<String> to List. */
   @NonNull
   List<String> decode(@NonNull String listString);
 }