Support multi-select in storage UI.
When caller has specified that multiple documents are okay, enable
multi-select action mode. Currently only allows document selection,
not directories. Returns multiple documents through ClipData.
Fix bug where GridView was stuck with 2 columns on tablets.
Change-Id: Id49b29a86330639b56fa116d37e7f0d874980c5b
diff --git a/res/drawable/item_background.xml b/res/drawable/item_background.xml
new file mode 100644
index 0000000..4fb32fc
--- /dev/null
+++ b/res/drawable/item_background.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The Android Open Source Project
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+ <item android:state_activated="true" android:state_pressed="true" android:drawable="@*android:drawable/list_activated_holo" />
+ <item android:state_activated="true" android:drawable="@*android:drawable/list_activated_holo" />
+ <item android:state_focused="true" android:state_enabled="false" android:state_pressed="true" android:drawable="@*android:drawable/list_selector_disabled_holo_light" />
+ <item android:state_focused="true" android:state_enabled="false" android:drawable="@*android:drawable/list_selector_disabled_holo_light" />
+ <item android:state_focused="true" android:state_pressed="true" android:drawable="@*android:drawable/list_selector_background_transition_holo_light" />
+ <item android:state_focused="false" android:state_pressed="true" android:drawable="@*android:drawable/list_selector_background_transition_holo_light" />
+ <item android:state_focused="true" android:drawable="@*android:drawable/list_focused_holo" />
+ <item android:drawable="@android:color/transparent" />
+</selector>