1 files changed, 9 insertions, 0 deletions
diff --git a/core/src/test/java/android/text/TextUtils.java b/core/src/test/java/android/text/TextUtils.java
index c31234171..eda31c3b5 100644
--- a/core/src/test/java/android/text/TextUtils.java
+++ b/core/src/test/java/android/text/TextUtils.java
@@ -29,4 +29,13 @@ public class TextUtils {
         return false;
     }
 
+    /**
+     * Returns <code>true</code> if the string is <code>null</code> or has zero length.
+     *
+     * @param str The string to be examined, can be <code>null</code>.
+     * @return <code>true</code> if the string is <code>null</code> or has zero length.
+     */
+    public static boolean isEmpty(CharSequence str) {
+        return str == null || str.length() == 0;
+    }
 }