Deleting empty folders based on DB state

> Previously folders were getting deleted based on in-memory
loader state. If for some reason, an item failed to load, we would
delete the folder from DB as well.

Bug: 21354058
Change-Id: I5318ee8a99afa9cafd93ed2b9ef0e155f502a41b

1 files changed, 6 insertions, 0 deletions

diff --git a/src/com/android/launcher3/Utilities.java b/src/com/android/launcher3/Utilities.java
index 0f52cba2b..6c300c524 100644
--- a/src/com/android/launcher3/Utilities.java
+++ b/src/com/android/launcher3/Utilities.java
@@ -54,12 +54,14 @@ import android.util.SparseArray;
 import android.util.TypedValue;
 import android.view.View;
 import android.widget.Toast;
+
 import junit.framework.Assert;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Comparator;
+import java.util.Locale;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -676,4 +678,8 @@ public final class Utilities {
         return (int) Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP,
                 size, metrics));
     }
+
+    public static String createDbSelectionQuery(String columnName, Iterable<?> values) {
+        return String.format(Locale.ENGLISH, "%s IN (%s)", columnName, TextUtils.join(", ", values));
+    }
 }