docs: add info to SharedPreferences.Editor.putString

am: fb48521f41 Change-Id: Icf8a1a92e8f18bcc63b52842ea75b00610feac9d
2016-08-08 22:36:09 +00:00
parent 5a3034f8ff fb48521f41
commit f434456ba5
1 changed files with 3 additions and 1 deletions
--- a/core/java/android/content/SharedPreferences.java
+++ b/core/java/android/content/SharedPreferences.java
@@ -72,7 +72,9 @@ public interface SharedPreferences {
         * {@link #commit} or {@link #apply} are called.
         * 
         * @param key The name of the preference to modify.
-         * @param value The new value for the preference.
+         * @param value The new value for the preference.  Passing {@code null}
+         *    for this argument is equivalent to calling {@link #remove(String)} with
+         *    this key.
         * 
         * @return Returns a reference to the same Editor object, so you can
         * chain put calls together.