Text selection is broken.

Bug 3439569

Lazy initialization code was not back-ported.

Change-Id: I9815f649891e2ddc602383488749144686ab1dd3

Author: Gilles Debunne

core/java/android/widget/TextView.java

@@ -6822,11 +6822,11 @@ protected void onReceiveResult(int resultCode, Bundle resultData) {
     public boolean onTouchEvent(MotionEvent event) {
         final int action = event.getActionMasked();
 
-        if (mInsertionPointCursorController != null) {
-            mInsertionPointCursorController.onTouchEvent(event);
+        if (hasInsertionController()) {
+            getInsertionController().onTouchEvent(event);
         }
-        if (mSelectionModifierCursorController != null) {
-            mSelectionModifierCursorController.onTouchEvent(event);
+        if (hasSelectionController()) {
+            getSelectionController().onTouchEvent(event);
         }
 
         if (action == MotionEvent.ACTION_DOWN) {
@@ -7324,9 +7324,9 @@ private void selectCurrentWord() {
             minOffset = getSelectionStart();
             maxOffset = getSelectionEnd();
         } else {
-            // selectionModifierCursorController is not null at that point
+            // hasSelectionController is true since we canSelectText.
             SelectionModifierCursorController selectionModifierCursorController =
-                ((SelectionModifierCursorController) mSelectionModifierCursorController);
+                (SelectionModifierCursorController) getSelectionController();
             minOffset = selectionModifierCursorController.getMinTouchOffset();
             maxOffset = selectionModifierCursorController.getMaxTouchOffset();
         }