* use customized drag-select-recyclerview

* fixed dimensions of gallery items

Author: allgood

app/build.gradle

@@ -33,7 +33,5 @@ dependencies {
     compile 'com.android.support:support-v4:23.1.1'
     compile 'com.github.ctodobom:OpenCV-3.1.0-Android:-SNAPSHOT'
     compile 'us.feras.mdv:markdownview:1.1.0'
-    compile('com.github.afollestad:drag-select-recyclerview:0.3.1@aar') {
-        transitive = true
-    }
+    compile 'com.github.ctodobom:drag-select-recyclerview:0.3.4.ctodobom.sections'
 }

app/src/main/java/com/todobom/opennotescanner/GalleryGridActivity.java

@@ -55,6 +55,9 @@ public void onClick(int index) {
 
     @Override
     public void onLongClick(int index) {
+        if (!selectionMode) {
+            setSelectionMode(true);
+        }
         recyclerView.setDragSelectActive(true, index);
     }
 

app/src/main/res/layout/gallery_item.xml

@@ -2,20 +2,20 @@
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="wrap_content"
     android:padding="4dp">
 
     <com.todobom.opennotescanner.views.SquareFrameLayout
         android:id="@+id/colorSquare"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
+        android:layout_width="fill_parent"
+        android:layout_height="fill_parent"
         android:background="@color/colorPrimaryDark"
         android:padding="2dp">
 
         <ImageView
             android:id="@+id/gallery_image"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
             android:layout_gravity="center" />
 
     </com.todobom.opennotescanner.views.SquareFrameLayout>