commit 8d1c2aa5095ad730c41c94f0950c5a7436d419c7
author Adam Cohen <adamcohen@google.com> Fri May 23 17:15:01 2014 +0000
committer Android Git Automerger <android-git-automerger@android.com> Fri May 23 17:15:01 2014 +0000
tree 3bbcd09934ec493fe4e530b46a80247085633b23
parent 4c041dea2172ecabc06b009dd05076765aa36d5e
parent 9b1d062b0f1c4714883444df874e1a078764caa1

am 9b1d062b: Make sure we can handle database downgrade (by wiping and starting fresh)

* commit '9b1d062b0f1c4714883444df874e1a078764caa1':
  Make sure we can handle database downgrade (by wiping and starting fresh)

src/com/android/launcher3/LauncherProvider.java

diff --git a/src/com/android/launcher3/LauncherProvider.java b/src/com/android/launcher3/LauncherProvider.java
index 55a0f5e..bbc75b8 100644
--- a/src/com/android/launcher3/LauncherProvider.java
+++ b/src/com/android/launcher3/LauncherProvider.java
@@ -873,6 +873,17 @@
             }
         }
 
+        @Override
+        public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+            // This shouldn't happen -- throw our hands up in the air and start over.
+            Log.w(TAG, "Database version downgrade from: " + oldVersion + " to " + newVersion +
+                    ". Wiping databse.");
+
+            db.execSQL("DROP TABLE IF EXISTS " + TABLE_FAVORITES);
+            db.execSQL("DROP TABLE IF EXISTS " + TABLE_WORKSPACE_SCREENS);
+            onCreate(db);
+        }
+
         private boolean addProfileColumn(SQLiteDatabase db) {
             db.beginTransaction();
             try {