feat(android): add fixedSize to RecyclerViews

android/modules/ui/src/java/ti/modules/titanium/ui/widget/listview/TiListView.java

@@ -266,6 +266,9 @@ public boolean inSelectionHotspot(@NonNull MotionEvent e)
 		final boolean allowsMultipleSelection
 			= properties.optBoolean(TiC.PROPERTY_ALLOWS_MULTIPLE_SELECTION_DURING_EDITING, false);
 
+		if (properties.optBoolean(TiC.PROPERTY_FIXED_SIZE, false)) {
+			this.recyclerView.setHasFixedSize(true);
+		}
 		if (editing && allowsSelection) {
 			if (allowsMultipleSelection) {
 				this.tracker = trackerBuilder.withSelectionPredicate(SelectionPredicates.createSelectAnything())

android/modules/ui/src/java/ti/modules/titanium/ui/widget/tableview/TiTableView.java

@@ -244,6 +244,9 @@ public boolean inSelectionHotspot(@NonNull MotionEvent e)
 		final boolean allowsMultipleSelection
 			= properties.optBoolean(TiC.PROPERTY_ALLOWS_MULTIPLE_SELECTION_DURING_EDITING, false);
 
+		if (properties.optBoolean(TiC.PROPERTY_FIXED_SIZE, false)) {
+			this.recyclerView.setHasFixedSize(true);
+		}
 		if (editing && allowsSelection) {
 			if (allowsMultipleSelection) {
 				this.tracker = trackerBuilder.withSelectionPredicate(SelectionPredicates.createSelectAnything())

android/titanium/src/java/org/appcelerator/titanium/TiC.java

@@ -827,6 +827,7 @@ public class TiC
 	public static final String PROPERTY_LASTPHONETIC = "lastPhonetic";
 	public static final String PROPERTY_JOBTITLE = "jobTitle";
 	public static final String PROPERTY_DEPARTMENT = "department";
+	public static final String PROPERTY_FIXED_SIZE = "fixedSize";
 
 	public static final String SIZE_AUTO = "auto";
 	public static final String URL_APP_PREFIX = "app://";

apidoc/Titanium/UI/ListView.yml

@@ -685,6 +685,15 @@ properties:
     since: 7.5.0
     platforms: [android]
 
+  - name: fixedSize
+    summary: Sets fixedSize mode on Android ListViews.
+    description: |
+        Set it to `true` if all ListItems have the same size to gain some performance.
+    type: Boolean
+    default: false
+    since: 10.2.0
+    platforms: [android]
+
   - name: allowsSelectionDuringEditing
     summary: Determines whether this list view items can be selected while editing the table.
     type: Boolean
@@ -1459,7 +1468,7 @@ examples:
         win.open();
         ```
 
-  - title: List View with a pullView 
+  - title: List View with a pullView
     example: |
         This sample shows how the [pullView](Titanium.UI.ListView.pullView) property could be
         utilized along with the [pull](Titanium.UI.ListView.pull) and [pullend](Titanium.UI.ListView.pullend) events to
@@ -1482,7 +1491,7 @@ examples:
             {properties: { title: 'Potatoes'}},
         ];
         var vegSection = Ti.UI.createListSection({ headerTitle: 'Vegetables', items: vegDataSet});
-        
+
         var fishDataSet = [
             {properties: { title: 'Cod'}},
             {properties: { title: 'Haddock'}},

apidoc/Titanium/UI/TableView.yml

@@ -173,7 +173,7 @@ events:
 
   - name: rowsselected
     summary: |
-        Fired when user stops two-pan gesture interaction for selecting multiple rows. 
+        Fired when user stops two-pan gesture interaction for selecting multiple rows.
         It is used in conjunction with <Titanium.UI.TableView.allowsMultipleSelectionInteraction>.
     platforms: [android, iphone, ipad, macos]
     since: {android: "10.1.0", iphone: "8.2.0", ipad: "8.2.0", macos: "9.2.0"}
@@ -1074,7 +1074,7 @@ properties:
     default: false
     since: {android: "10.1.0", iphone: "5.4.0", ipad: "5.4.0", macos: "9.2.0"}
     platforms: [android, iphone, ipad, macos]
-    
+
   - name: backgroundColor
     summary: Background color of the view, as a color name or hex triplet.
     description: |
@@ -1154,6 +1154,15 @@ properties:
     default: true
     platforms: [android, iphone, ipad, macos]
 
+  - name: fixedSize
+    summary: Sets fixedSize mode on Android TableView.
+    description: |
+        Set it to `true` if all TableView items have the same size to gain some performance.
+    type: Boolean
+    default: false
+    since: 10.2.0
+    platforms: [android]
+
   - name: footerDividersEnabled
     summary: When set to false, the ListView will not draw the divider before the footer view.
     type: Boolean
@@ -1240,9 +1249,9 @@ properties:
   - name: allowsMultipleSelectionInteraction
     summary: Allows a two-finger pan gesture to automatically transition the table view into editing mode and start selecting rows.
     description: |
-        Setting this property to true allows the user to start selecting multiple contiguous rows via a two-finger pan gesture. 
-        If the table view is already in editing mode, the user can also select multiple rows via a one-finger pan gesture along 
-        the edge of the table that contains editing controls (checkboxes). In order to support this behavior, 
+        Setting this property to true allows the user to start selecting multiple contiguous rows via a two-finger pan gesture.
+        If the table view is already in editing mode, the user can also select multiple rows via a one-finger pan gesture along
+        the edge of the table that contains editing controls (checkboxes). In order to support this behavior,
         you must also set <Titanium.UI.TableView.allowsMultipleSelectionDuringEditing> to true.
         Once user interaction stops the <Titanium.UI.TableView.rowsselected> event is fired.
     type: Boolean
@@ -1418,16 +1427,16 @@ properties:
   - name: showSearchBarInNavBar
     summary: A Boolean indicating whether search bar will be in navigation bar.
     description: |
-          If you want to show the search bar in navigation bar, set this property `true` during creation. 
-          Use the <Titanium.UI.Window.hidesSearchBarWhenScrolling> property to control the visibility of the 
+          If you want to show the search bar in navigation bar, set this property `true` during creation.
+          Use the <Titanium.UI.Window.hidesSearchBarWhenScrolling> property to control the visibility of the
           searchbar when scrolling.
     type: Boolean
     default: false
     since: 8.1.0
     platforms: [iphone, ipad, macos]
     osver: {ios: {min: "11.0"}}
     availability: creation
-    
+
   - name: searchAsChild
     summary: Determines whether the [SearchBar](Titanium.UI.SearchBar) or [SearchView](Titanium.UI.Android.SearchView) appears as part of the TableView.
     description: Set to false if the search view will be displayed in the action bar.
@@ -1832,7 +1841,7 @@ properties:
 name: SelectedRowObject
 summary: The arguments for the <Titanium.UI.TableView.rowsselected> event.
 since: {android: "10.1.0", iphone: "8.2.0", ipad: "8.2.0", macos: "9.2.0"}
-platforms: [android, iphone, ipad, macos]    
+platforms: [android, iphone, ipad, macos]
 properties:
   - name: index
     summary: Row index.