Initial changes to add Applications tab in the customization drawer for usability testing.

- Also adding padding attributes for the dynamic layouts created for each page.

Change-Id: I76a7b6b8f4d83329c506fd6055f910575d0c200f

src/com/android/launcher2/AllAppsPagedView.java

@@ -68,6 +68,10 @@ public class AllAppsPagedView extends PagedView
 
     private int mCellCountX;
     private int mCellCountY;
+    private int mPageLayoutPaddingTop;
+    private int mPageLayoutPaddingBottom;
+    private int mPageLayoutPaddingLeft;
+    private int mPageLayoutPaddingRight;
 
     private final LayoutInflater mInflater;
 
@@ -90,6 +94,14 @@ public class AllAppsPagedView extends PagedView
         TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.PagedView, defStyle, 0);
         mCellCountX = a.getInt(R.styleable.PagedView_cellCountX, 6);
         mCellCountY = a.getInt(R.styleable.PagedView_cellCountY, 4);
+        mPageLayoutPaddingTop = a.getDimensionPixelSize(
+                R.styleable.PagedView_pageLayoutPaddingTop, 10);
+        mPageLayoutPaddingBottom = a.getDimensionPixelSize(
+                R.styleable.PagedView_pageLayoutPaddingBottom, 10);
+        mPageLayoutPaddingLeft = a.getDimensionPixelSize(
+                R.styleable.PagedView_pageLayoutPaddingLeft, 10);
+        mPageLayoutPaddingRight = a.getDimensionPixelSize(
+                R.styleable.PagedView_pageLayoutPaddingRight, 10);
         mInflater = LayoutInflater.from(context);
         a.recycle();
         setSoundEffectsEnabled(false);
@@ -354,6 +366,8 @@ public class AllAppsPagedView extends PagedView
         for (int i = curNumPages; i < numPages; ++i) {
             PagedViewCellLayout layout = new PagedViewCellLayout(getContext());
             layout.setCellCount(mCellCountX, mCellCountY);
+            layout.setPadding(mPageLayoutPaddingLeft, mPageLayoutPaddingTop,
+                    mPageLayoutPaddingRight, mPageLayoutPaddingBottom);
             addView(layout);
         }