LayoutLib API update: build properties and multi ViewInfo results.

The build properties are needed to populate android.os.Build

The multi ViewInfo results are needed to access all the top
level children of a merge layout.

Change-Id: I49638ae76aaf9e83dc4a0a73c3e7966d7b0a14a3

2 files changed, 13 insertions, 5 deletions

diff --git a/layoutlib_api/src/com/android/ide/common/rendering/api/Bridge.java b/layoutlib_api/src/com/android/ide/common/rendering/api/Bridge.java
index 79741ea..d014b6c 100644
--- a/layoutlib_api/src/com/android/ide/common/rendering/api/Bridge.java
+++ b/layoutlib_api/src/com/android/ide/common/rendering/api/Bridge.java
@@ -50,13 +50,16 @@ public abstract class Bridge {
     /**
      * Initializes the Bridge object.
      *
+     * @param platformProperties The build properties for the platform.
      * @param fontLocation the location of the fonts.
      * @param enumValueMap map attrName => { map enumFlagName => Integer value }. This is typically
      *          read from attrs.xml in the SDK target.
      * @param log a {@link LayoutLog} object. Can be null.
      * @return true if success.
      */
-    public boolean init(File fontLocation, Map<String, Map<String, Integer>> enumValueMap,
+    public boolean init(Map<String, String> platformProperties,
+            File fontLocation,
+            Map<String, Map<String, Integer>> enumValueMap,
             LayoutLog log) {
         return false;
     }
diff --git a/layoutlib_api/src/com/android/ide/common/rendering/api/RenderSession.java b/layoutlib_api/src/com/android/ide/common/rendering/api/RenderSession.java
index 4db766d..0adf6f5 100644
--- a/layoutlib_api/src/com/android/ide/common/rendering/api/RenderSession.java
+++ b/layoutlib_api/src/com/android/ide/common/rendering/api/RenderSession.java
@@ -21,6 +21,7 @@ import static com.android.ide.common.rendering.api.Result.Status.NOT_IMPLEMENTED
 import com.android.ide.common.rendering.api.Result.Status;
 
 import java.awt.image.BufferedImage;
+import java.util.List;
 import java.util.Map;
 
 /**
@@ -42,16 +43,20 @@ public class RenderSession {
     }
 
     /**
-     * Returns the {@link ViewInfo} object for the top level view.
-     * <p>
-     *
+     * Returns the {@link ViewInfo} objects for the top level views.
+     * <p/>
+     * In most case the list will only contain one item. If the top level node is {@code merge}
+     * though then it will contain all the items under the {@code merge} tag.
+     * <p/>
      * This is reset to a new instance every time {@link #render()} is called and can be
      * <code>null</code> if the call failed (and the method returned a {@link Result} with
      * {@link Status#ERROR_UNKNOWN} or {@link Status#NOT_IMPLEMENTED}.
      * <p/>
      * This can be safely modified by the caller.
+     *
+     * @return the list of {@link ViewInfo} or null if there aren't any.
      */
-    public ViewInfo getRootView() {
+    public List<ViewInfo> getRootViews() {
         return null;
     }