Merge "DocsUI: Don't crash on invalid window sizes." into nyc-dev
diff --git a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
index ae746b6..9b916bb 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/dirlist/DirectoryFragment.java
@@ -98,7 +98,6 @@
import com.android.documentsui.services.FileOperationService;
import com.android.documentsui.services.FileOperationService.OpType;
import com.android.documentsui.services.FileOperations;
-
import com.google.common.collect.Lists;
import java.lang.annotation.Retention;
@@ -406,9 +405,9 @@
int cellMargin = 2 * getResources().getDimensionPixelSize(R.dimen.grid_item_margin);
int viewPadding = mRecView.getPaddingLeft() + mRecView.getPaddingRight();
- assert(mRecView.getWidth() > 0);
-
- int columnCount = Math.max(1,
+ // RecyclerView sometimes gets a width of 0 (see b/27150284). Clamp so that we always lay
+ // out the grid with at least 2 columns.
+ int columnCount = Math.max(2,
(mRecView.getWidth() - viewPadding) / (cellWidth + cellMargin));
return columnCount;